qid int64 1 74.7M | question stringlengths 12 33.8k | date stringlengths 10 10 | metadata list | response_j stringlengths 0 115k | response_k stringlengths 2 98.3k |
|---|---|---|---|---|---|
107,327 | When using a vpn, proxy etc to hide your IP, if you, as an example, login securely to a bank website, they will (or can) obtain your real IP contained in the encrypted data. Likewise, any SSL secured webpage has access to your real IP don't they.
To me this apparent universal oversight, seems worrying for those attempt... | 2015/12/05 | [
"https://security.stackexchange.com/questions/107327",
"https://security.stackexchange.com",
"https://security.stackexchange.com/users/93738/"
] | HTTPS is not a tool to hide who you are, it is a tool to hide what you are saying. The purpose of SSL is to establish a secure means of communication between a client and a server. If you want anonymity then you need to use something like Tor with HTTPS.
The EFF has a [neat site](https://www.eff.org/pages/tor-and-http... | No. SSL/TLS increases the privacy of your data through encryption. The encryption technology is not responsible for disclosure of your IP address.
Specifically, SSL/TLS exists at the application layer of the [OSI model](https://en.wikipedia.org/wiki/OSI_model) whereas IP addresses are disclosed at the network layer. T... |
107,327 | When using a vpn, proxy etc to hide your IP, if you, as an example, login securely to a bank website, they will (or can) obtain your real IP contained in the encrypted data. Likewise, any SSL secured webpage has access to your real IP don't they.
To me this apparent universal oversight, seems worrying for those attempt... | 2015/12/05 | [
"https://security.stackexchange.com/questions/107327",
"https://security.stackexchange.com",
"https://security.stackexchange.com/users/93738/"
] | HTTPS is not a tool to hide who you are, it is a tool to hide what you are saying. The purpose of SSL is to establish a secure means of communication between a client and a server. If you want anonymity then you need to use something like Tor with HTTPS.
The EFF has a [neat site](https://www.eff.org/pages/tor-and-http... | For those attempting anonymity online the only "safe" way to do it is to be paranoid. Here's how the "pros" do it.
First you have to build a completely fake persona, and memorize it. Then you have to obtain some laptop from some cash-and-go place like a pawnshop or a craigslist transaction because if they get a 'bot o... |
107,327 | When using a vpn, proxy etc to hide your IP, if you, as an example, login securely to a bank website, they will (or can) obtain your real IP contained in the encrypted data. Likewise, any SSL secured webpage has access to your real IP don't they.
To me this apparent universal oversight, seems worrying for those attempt... | 2015/12/05 | [
"https://security.stackexchange.com/questions/107327",
"https://security.stackexchange.com",
"https://security.stackexchange.com/users/93738/"
] | No. SSL/TLS increases the privacy of your data through encryption. The encryption technology is not responsible for disclosure of your IP address.
Specifically, SSL/TLS exists at the application layer of the [OSI model](https://en.wikipedia.org/wiki/OSI_model) whereas IP addresses are disclosed at the network layer. T... | For those attempting anonymity online the only "safe" way to do it is to be paranoid. Here's how the "pros" do it.
First you have to build a completely fake persona, and memorize it. Then you have to obtain some laptop from some cash-and-go place like a pawnshop or a craigslist transaction because if they get a 'bot o... |
107,327 | When using a vpn, proxy etc to hide your IP, if you, as an example, login securely to a bank website, they will (or can) obtain your real IP contained in the encrypted data. Likewise, any SSL secured webpage has access to your real IP don't they.
To me this apparent universal oversight, seems worrying for those attempt... | 2015/12/05 | [
"https://security.stackexchange.com/questions/107327",
"https://security.stackexchange.com",
"https://security.stackexchange.com/users/93738/"
] | >
> When using a vpn, proxy etc to hide your IP, ... they will (or can) obtain your real IP contained in the encrypted data.
>
>
>
It is not true that SSL will contain your real IP address in the encrypted data. SSL will only contain the data sent by the browser and the real IP is usually not one of them. The IP w... | No. SSL/TLS increases the privacy of your data through encryption. The encryption technology is not responsible for disclosure of your IP address.
Specifically, SSL/TLS exists at the application layer of the [OSI model](https://en.wikipedia.org/wiki/OSI_model) whereas IP addresses are disclosed at the network layer. T... |
107,327 | When using a vpn, proxy etc to hide your IP, if you, as an example, login securely to a bank website, they will (or can) obtain your real IP contained in the encrypted data. Likewise, any SSL secured webpage has access to your real IP don't they.
To me this apparent universal oversight, seems worrying for those attempt... | 2015/12/05 | [
"https://security.stackexchange.com/questions/107327",
"https://security.stackexchange.com",
"https://security.stackexchange.com/users/93738/"
] | >
> When using a vpn, proxy etc to hide your IP, ... they will (or can) obtain your real IP contained in the encrypted data.
>
>
>
It is not true that SSL will contain your real IP address in the encrypted data. SSL will only contain the data sent by the browser and the real IP is usually not one of them. The IP w... | For those attempting anonymity online the only "safe" way to do it is to be paranoid. Here's how the "pros" do it.
First you have to build a completely fake persona, and memorize it. Then you have to obtain some laptop from some cash-and-go place like a pawnshop or a craigslist transaction because if they get a 'bot o... |
1,818 | With OpenGL and such I can render some pretty amazing looking things in "real time" 60 FPS. However, if I try to make a video of that same scene in let's say Maya, or 3ds Max it would take MUCH MUCH longer for it to render even though it is the same resolution and FPS.
Why do these two types of rendering take differen... | 2015/12/21 | [
"https://computergraphics.stackexchange.com/questions/1818",
"https://computergraphics.stackexchange.com",
"https://computergraphics.stackexchange.com/users/2308/"
] | The main difference would be that with OpenGL in let's say a video game, you will have a process called *rasterization* which basically takes care of determining what part of the scene you see.
It needs to be fast so we can experience it as realtime.
Therefore the algorithm does a few simple steps.
* Check if a cert... | ### You're comparing apples to oranges
The game is like the view port in your modelling app. You can use the viewport for render and you will get same 60fps speeds.
There is no reason why you can not get realtime graphics that are very good out of modelling software like Maya or 3DS Max. Results that are on par with ... |
1,818 | With OpenGL and such I can render some pretty amazing looking things in "real time" 60 FPS. However, if I try to make a video of that same scene in let's say Maya, or 3ds Max it would take MUCH MUCH longer for it to render even though it is the same resolution and FPS.
Why do these two types of rendering take differen... | 2015/12/21 | [
"https://computergraphics.stackexchange.com/questions/1818",
"https://computergraphics.stackexchange.com",
"https://computergraphics.stackexchange.com/users/2308/"
] | The main difference would be that with OpenGL in let's say a video game, you will have a process called *rasterization* which basically takes care of determining what part of the scene you see.
It needs to be fast so we can experience it as realtime.
Therefore the algorithm does a few simple steps.
* Check if a cert... | **Real-Time Preview**
Working in the VFX side of the industry, if you're talking about real-time viewport previews and not production rendering, then Maya and 3DS Max typically also use OpenGL (or possibly DirectX -- pretty much the same).
One of the main conceptual differences between VFX animation software and game... |
8,014 | What is the origin of the word *boner*? Trying to find the roots for its prevalent usage, especially in North America.
According to a [dictionary](http://en.wiktionary.org/wiki/boner) it means *an erect penis*. | 2011/01/05 | [
"https://english.stackexchange.com/questions/8014",
"https://english.stackexchange.com",
"https://english.stackexchange.com/users/1446/"
] | Etymonline has [this](http://www.etymonline.com/index.php?search=boner&searchmode=none):
>
> Meaning "erect penis" is 1950s, from earlier *bone-on* (1940s), probably a variation (with connection notion of "hardness") of *hard-on* (1893).
>
>
> | There was an American comic strip that used to run, well into the early 2000s, called "Boner's Ark"
[http://en.wikipedia.org/wiki/Boner's\_Ark](http://en.wikipedia.org/wiki/Boner%27s_Ark)
Here are some [sample strips](http://www.bullspress.co.uk/united-kingdom/Publishing/Comics1/A-Z/Boners-Ark/Boners-Ark-samples/)
... |
8,014 | What is the origin of the word *boner*? Trying to find the roots for its prevalent usage, especially in North America.
According to a [dictionary](http://en.wiktionary.org/wiki/boner) it means *an erect penis*. | 2011/01/05 | [
"https://english.stackexchange.com/questions/8014",
"https://english.stackexchange.com",
"https://english.stackexchange.com/users/1446/"
] | Etymonline has [this](http://www.etymonline.com/index.php?search=boner&searchmode=none):
>
> Meaning "erect penis" is 1950s, from earlier *bone-on* (1940s), probably a variation (with connection notion of "hardness") of *hard-on* (1893).
>
>
> | The earliest slang dictionary I've been able to find that includes an entry for *boner* is James Farmer & William Henley, [*Slang and Its Analogues Past and Present*](https://books.google.com/books?id=UZhBAAAAYAAJ&pg=PA283&dq=%22Boner+subs.%22&hl=en&newbks=1&newbks_redir=0&sa=X&ved=2ahUKEwja7ez5--jwAhVNAp0JHTRPBcgQ6AEw... |
8,014 | What is the origin of the word *boner*? Trying to find the roots for its prevalent usage, especially in North America.
According to a [dictionary](http://en.wiktionary.org/wiki/boner) it means *an erect penis*. | 2011/01/05 | [
"https://english.stackexchange.com/questions/8014",
"https://english.stackexchange.com",
"https://english.stackexchange.com/users/1446/"
] | When I was growing up in the 1980s the word "boner" was also used as a synonym for "jerk" or "idiot" among adolescent and pre-pubescent boys.
For example, if your friend was being mean to a little kid or doing something stupid you might say, "Hey, don't be a boner."
"Boner" also means "a blunder or mistake," although... | There was an American comic strip that used to run, well into the early 2000s, called "Boner's Ark"
[http://en.wikipedia.org/wiki/Boner's\_Ark](http://en.wikipedia.org/wiki/Boner%27s_Ark)
Here are some [sample strips](http://www.bullspress.co.uk/united-kingdom/Publishing/Comics1/A-Z/Boners-Ark/Boners-Ark-samples/)
... |
8,014 | What is the origin of the word *boner*? Trying to find the roots for its prevalent usage, especially in North America.
According to a [dictionary](http://en.wiktionary.org/wiki/boner) it means *an erect penis*. | 2011/01/05 | [
"https://english.stackexchange.com/questions/8014",
"https://english.stackexchange.com",
"https://english.stackexchange.com/users/1446/"
] | When I was growing up in the 1980s the word "boner" was also used as a synonym for "jerk" or "idiot" among adolescent and pre-pubescent boys.
For example, if your friend was being mean to a little kid or doing something stupid you might say, "Hey, don't be a boner."
"Boner" also means "a blunder or mistake," although... | The earliest slang dictionary I've been able to find that includes an entry for *boner* is James Farmer & William Henley, [*Slang and Its Analogues Past and Present*](https://books.google.com/books?id=UZhBAAAAYAAJ&pg=PA283&dq=%22Boner+subs.%22&hl=en&newbks=1&newbks_redir=0&sa=X&ved=2ahUKEwja7ez5--jwAhVNAp0JHTRPBcgQ6AEw... |
5,365 | In *Harry Potter and the Deathly Hallows: Part 2*, the following exchange occurs:
>
> Neville Longbottom: Are you really giving us permission to do this?
>
> Minerva McGonagall: Yes, Longbottom.
>
> Neville Longbottom: Blow it up? Boom?
>
> Minerva McGonagall: BOOM!
>
> Minerva McGonagall: Why don't y... | 2011/09/05 | [
"https://scifi.stackexchange.com/questions/5365",
"https://scifi.stackexchange.com",
"https://scifi.stackexchange.com/users/2748/"
] | I thought it was fairly obvious that they were talking about the bridge where Neville taunts the werewolves and closely escapes death. Any reason to assume otherwise? | The film's [screenplay](https://www.scribd.com/doc/163084623/HARRY-POTTER-AND-THE-DEATHLY-HALLOWS-PART-2-by-screenplay-Steve-Kloves) makes it pretty clear that Neville and co. were speaking about blowing up the [wooden bridge](http://harrypotter.wikia.com/wiki/Wooden_Bridge), the rearward entrance to Hogwarts Castle.
... |
6,553,972 | Is there an existing (Python) implementation of a hash-like data structure that exists partially on disk? Or, can persist specific keys to some secondary storage, based on some criteria (like last-accessed-time)?
ex: "data at key K has not been accessed in M milliseconds; serialize it to persistent storage (disk?), a... | 2011/07/01 | [
"https://Stackoverflow.com/questions/6553972",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/61113/"
] | Go for SQLITE. A big problem that you will face down the road is concurrency/file corruption, etc and SQLite makes these very easy to avoid as it provides transactional integrity. Just define a single table with schema (primary key string key, string value). SQLite is insanely fast, especially if you wrap bunches of wr... | Sounds like you are looking for [gdbm](http://docs.python.org/library/gdbm.html):
>
> The gdbm module provides an interface to the GNU DBM library. gdbm objects behave like mappings (dictionaries), except that keys and values are always strings.
>
>
>
That's basically a dictionary on disk. You might have to do a ... |
35,410,666 | Why do we have to use 'return 0' statement in C?
in the end of main function. I know This means all things are going on way. But what does it mean? What exactly are there at the background of this ? | 2016/02/15 | [
"https://Stackoverflow.com/questions/35410666",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/5912151/"
] | It returns a number to the environment that started it... Every process begins with a set of arguments and returns an `int` indicating success or failure
see [So what does "return 0" actually mean?](https://stackoverflow.com/questions/14928520/so-what-does-return-0-actually-mean) | Potentially, a calling process can read the result and use it as information on what the execution of the program did. |
19,342 | It could be argued that many of the problems plaguing the EU in the recent years stem from a lack of integration among the various countries in the union.
These missing "integration points" include, but probably are not limited to, financial (starting from the taxation), judicial/law, political, and military systems.
... | 2017/05/30 | [
"https://politics.stackexchange.com/questions/19342",
"https://politics.stackexchange.com",
"https://politics.stackexchange.com/users/7476/"
] | It wasn't deemed required; for example [the Director of the IMF’s European
Department
writes](https://www.imf.org/external/pubs/ft/fandd/2014/03/moghadam.htm):
>
> In sum, the euro’s architecture was built on the premise that market forces,
> combined with minimal coordination of policies, would suffice to align
> ... | >
> financial (starting from the taxation), judicial/law, political, and military systems.
>
>
>
Making any big reform is hard. And such idea would require dozens of huge reforms. Voters in many countries would be nervous, and it would be enough for one country to derail whole process. (Less ambitious projects lik... |
19,342 | It could be argued that many of the problems plaguing the EU in the recent years stem from a lack of integration among the various countries in the union.
These missing "integration points" include, but probably are not limited to, financial (starting from the taxation), judicial/law, political, and military systems.
... | 2017/05/30 | [
"https://politics.stackexchange.com/questions/19342",
"https://politics.stackexchange.com",
"https://politics.stackexchange.com/users/7476/"
] | >
> financial (starting from the taxation), judicial/law, political, and military systems.
>
>
>
Making any big reform is hard. And such idea would require dozens of huge reforms. Voters in many countries would be nervous, and it would be enough for one country to derail whole process. (Less ambitious projects lik... | To understand the EU it is necessary to understand that it operates as a mutually antagonistic system, based upon three bodies which have opposed objectives.
On the one hand, the bureaucracy - the European Commission - wishes to centralise all power in its own hands, through centralising all decision making and autho... |
19,342 | It could be argued that many of the problems plaguing the EU in the recent years stem from a lack of integration among the various countries in the union.
These missing "integration points" include, but probably are not limited to, financial (starting from the taxation), judicial/law, political, and military systems.
... | 2017/05/30 | [
"https://politics.stackexchange.com/questions/19342",
"https://politics.stackexchange.com",
"https://politics.stackexchange.com/users/7476/"
] | It wasn't deemed required; for example [the Director of the IMF’s European
Department
writes](https://www.imf.org/external/pubs/ft/fandd/2014/03/moghadam.htm):
>
> In sum, the euro’s architecture was built on the premise that market forces,
> combined with minimal coordination of policies, would suffice to align
> ... | To understand the EU it is necessary to understand that it operates as a mutually antagonistic system, based upon three bodies which have opposed objectives.
On the one hand, the bureaucracy - the European Commission - wishes to centralise all power in its own hands, through centralising all decision making and autho... |
348,627 | I am working on an Adobe Flex app, which needs to parse a relativley large XML file. ATM it is only 35MB, but in an ideal world would get much larger in the future.
\*\*Edit: I have no control over the XML file
I am essentially dropping it's contents right into an SQLITE database, so I could use the SimpleXML class to... | 2008/12/08 | [
"https://Stackoverflow.com/questions/348627",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/40397/"
] | You will definitely run into some performance issues parsing an XML file that large. Back in Flex 2 days we used SOAP for services and had one data call that pulled back about 5K records and the Flash Player would hang / browser go unresponsive for about 10 seconds on a reasonably fast machine. I can't remember the siz... | As already mentioned, a SAX parser would be your best bet so that you can process each "event" (node) as it is read, rather than using a DOM parser to read the entire XML file and store it in memory.
But if you're going to be using such large datasets then perhaps you could consider exporting your SQLite data in JSON ... |
348,627 | I am working on an Adobe Flex app, which needs to parse a relativley large XML file. ATM it is only 35MB, but in an ideal world would get much larger in the future.
\*\*Edit: I have no control over the XML file
I am essentially dropping it's contents right into an SQLITE database, so I could use the SimpleXML class to... | 2008/12/08 | [
"https://Stackoverflow.com/questions/348627",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/40397/"
] | As others have said, parsing large amounts of XML is not suggested and can get quite sluggish. It has been stated that the fastest way to send data between the flash client and a server side script is with AMF (Action Message Format) which is binary. If you have ever done anything with the SharedObject class then you h... | Over the comparison on Speed between XML and JSON, actually I did gone through a comparison between 3 kinds for Speed for the heavy large data - XML, JSON and BlazeDS. Believe me, BlazeDS would be faster than anything. Its really faster. |
348,627 | I am working on an Adobe Flex app, which needs to parse a relativley large XML file. ATM it is only 35MB, but in an ideal world would get much larger in the future.
\*\*Edit: I have no control over the XML file
I am essentially dropping it's contents right into an SQLITE database, so I could use the SimpleXML class to... | 2008/12/08 | [
"https://Stackoverflow.com/questions/348627",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/40397/"
] | You will definitely run into some performance issues parsing an XML file that large. Back in Flex 2 days we used SOAP for services and had one data call that pulled back about 5K records and the Flash Player would hang / browser go unresponsive for about 10 seconds on a reasonably fast machine. I can't remember the siz... | Personally I would try to avoid XML files of this size. It's one of the cons of XML, you need to read the whole file before you can start using it.
Can't you have your database return smaller XML portions, with what you need, instead of everything at once? It might be a bit more difficult to set up but it the end migh... |
348,627 | I am working on an Adobe Flex app, which needs to parse a relativley large XML file. ATM it is only 35MB, but in an ideal world would get much larger in the future.
\*\*Edit: I have no control over the XML file
I am essentially dropping it's contents right into an SQLITE database, so I could use the SimpleXML class to... | 2008/12/08 | [
"https://Stackoverflow.com/questions/348627",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/40397/"
] | You will definitely run into some performance issues parsing an XML file that large. Back in Flex 2 days we used SOAP for services and had one data call that pulled back about 5K records and the Flash Player would hang / browser go unresponsive for about 10 seconds on a reasonably fast machine. I can't remember the siz... | What you want is a SAX XML parser - it can parse a stream without reading the whole thing. I can't find one for AS3, though (although there are other people looking for the same thing.)
SAX operates by raising events as elements traverse the input stream. Pretty handy - I've used it often in the past, and once you're ... |
348,627 | I am working on an Adobe Flex app, which needs to parse a relativley large XML file. ATM it is only 35MB, but in an ideal world would get much larger in the future.
\*\*Edit: I have no control over the XML file
I am essentially dropping it's contents right into an SQLITE database, so I could use the SimpleXML class to... | 2008/12/08 | [
"https://Stackoverflow.com/questions/348627",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/40397/"
] | Personally I would try to avoid XML files of this size. It's one of the cons of XML, you need to read the whole file before you can start using it.
Can't you have your database return smaller XML portions, with what you need, instead of everything at once? It might be a bit more difficult to set up but it the end migh... | In SQL, there is always a WHERE clause because no one ever wants to see more than 100 results.
You might not have control over the original XML file, but perhaps you can insert something on the server-side that does the parsing and extracting the data you actually want.
Cheers |
348,627 | I am working on an Adobe Flex app, which needs to parse a relativley large XML file. ATM it is only 35MB, but in an ideal world would get much larger in the future.
\*\*Edit: I have no control over the XML file
I am essentially dropping it's contents right into an SQLITE database, so I could use the SimpleXML class to... | 2008/12/08 | [
"https://Stackoverflow.com/questions/348627",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/40397/"
] | What you want is a SAX XML parser - it can parse a stream without reading the whole thing. I can't find one for AS3, though (although there are other people looking for the same thing.)
SAX operates by raising events as elements traverse the input stream. Pretty handy - I've used it often in the past, and once you're ... | Over the comparison on Speed between XML and JSON, actually I did gone through a comparison between 3 kinds for Speed for the heavy large data - XML, JSON and BlazeDS. Believe me, BlazeDS would be faster than anything. Its really faster. |
348,627 | I am working on an Adobe Flex app, which needs to parse a relativley large XML file. ATM it is only 35MB, but in an ideal world would get much larger in the future.
\*\*Edit: I have no control over the XML file
I am essentially dropping it's contents right into an SQLITE database, so I could use the SimpleXML class to... | 2008/12/08 | [
"https://Stackoverflow.com/questions/348627",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/40397/"
] | You will definitely run into some performance issues parsing an XML file that large. Back in Flex 2 days we used SOAP for services and had one data call that pulled back about 5K records and the Flash Player would hang / browser go unresponsive for about 10 seconds on a reasonably fast machine. I can't remember the siz... | As others have said, parsing large amounts of XML is not suggested and can get quite sluggish. It has been stated that the fastest way to send data between the flash client and a server side script is with AMF (Action Message Format) which is binary. If you have ever done anything with the SharedObject class then you h... |
348,627 | I am working on an Adobe Flex app, which needs to parse a relativley large XML file. ATM it is only 35MB, but in an ideal world would get much larger in the future.
\*\*Edit: I have no control over the XML file
I am essentially dropping it's contents right into an SQLITE database, so I could use the SimpleXML class to... | 2008/12/08 | [
"https://Stackoverflow.com/questions/348627",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/40397/"
] | As already mentioned, a SAX parser would be your best bet so that you can process each "event" (node) as it is read, rather than using a DOM parser to read the entire XML file and store it in memory.
But if you're going to be using such large datasets then perhaps you could consider exporting your SQLite data in JSON ... | In SQL, there is always a WHERE clause because no one ever wants to see more than 100 results.
You might not have control over the original XML file, but perhaps you can insert something on the server-side that does the parsing and extracting the data you actually want.
Cheers |
348,627 | I am working on an Adobe Flex app, which needs to parse a relativley large XML file. ATM it is only 35MB, but in an ideal world would get much larger in the future.
\*\*Edit: I have no control over the XML file
I am essentially dropping it's contents right into an SQLITE database, so I could use the SimpleXML class to... | 2008/12/08 | [
"https://Stackoverflow.com/questions/348627",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/40397/"
] | What you want is a SAX XML parser - it can parse a stream without reading the whole thing. I can't find one for AS3, though (although there are other people looking for the same thing.)
SAX operates by raising events as elements traverse the input stream. Pretty handy - I've used it often in the past, and once you're ... | As others have said, parsing large amounts of XML is not suggested and can get quite sluggish. It has been stated that the fastest way to send data between the flash client and a server side script is with AMF (Action Message Format) which is binary. If you have ever done anything with the SharedObject class then you h... |
348,627 | I am working on an Adobe Flex app, which needs to parse a relativley large XML file. ATM it is only 35MB, but in an ideal world would get much larger in the future.
\*\*Edit: I have no control over the XML file
I am essentially dropping it's contents right into an SQLITE database, so I could use the SimpleXML class to... | 2008/12/08 | [
"https://Stackoverflow.com/questions/348627",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/40397/"
] | As already mentioned, a SAX parser would be your best bet so that you can process each "event" (node) as it is read, rather than using a DOM parser to read the entire XML file and store it in memory.
But if you're going to be using such large datasets then perhaps you could consider exporting your SQLite data in JSON ... | Over the comparison on Speed between XML and JSON, actually I did gone through a comparison between 3 kinds for Speed for the heavy large data - XML, JSON and BlazeDS. Believe me, BlazeDS would be faster than anything. Its really faster. |
20,793 | Is it possible to assign a switch port to a VLAN based on the fact that the host IP address is on a certain subnet? I have found the following references from HP and Netgear, but I have been unable to find any such functionality for Cisco. Please note that this is only academic at this time.
[Netgear Link](http://kb.n... | 2015/08/21 | [
"https://networkengineering.stackexchange.com/questions/20793",
"https://networkengineering.stackexchange.com",
"https://networkengineering.stackexchange.com/users/17402/"
] | i think you mean dynamic vlan membership , you can find detailed information about it on this link <http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst4500/12-2/25ew/configuration/guide/conf/vmps.html> | Short answer: **Impossible**.
I'm pasting the answer from [here](https://supportforums.cisco.com/discussion/9675401/subnet-based-vlan-catalyst-switch):
>
> First of all it is not possible without assigning the ports to vlans.
> Any computer connected to any switch port need to be in some vlan.
>
>
> Now it depend... |
580 | When I click on an attribute set to edit/configure it, Magento loads an empty page. I have searched on here and Google to find a solution, and have tried changing the memory\_limit and max\_execution\_time with no success.
The page I see has the Magento Admin Panel header/footer with all the CSS, but in-between is emp... | 2013/02/07 | [
"https://magento.stackexchange.com/questions/580",
"https://magento.stackexchange.com",
"https://magento.stackexchange.com/users/-1/"
] | It might be a design package issue. We had something similar in another setup of ours and it rendered some of our admin panels empty due to some admin panel changes.
Go to **System->Configuration->General->Design**. Check what the package/theme is under default configuration. Is it not the default for Magento? If so,... | Are you positive it's not a front end javascript error of some sort? Half formed admin interfaces are often caused by that. I'd look at your JS error console first. I usually use Chrome with the dev tools open to the "Network" tab and make note of any JS files that have not loaded for instance.
Also there is some inf... |
2,024 | I just happened to note that <http://www.physicsoverflow.org/> now exists; this isn't a stackexchange website, but seems to run on similar software, and with similar goals to mathoverflow, which seems reasonable to me.
However, it seems to have populated itself with a large number of questions from this site (and perh... | 2014/12/07 | [
"https://meta.mathoverflow.net/questions/2024",
"https://meta.mathoverflow.net",
"https://meta.mathoverflow.net/users/1703/"
] | Populating with questions, properly attributed, is completely okay, with or without permission. (That's the point of our licence.)
Creating user accounts without permission is completely not okay. | As a moderator on PhysicsOverflow, let me clarify that the purpose of importing posts from MathOverflow is certainly not to demean or disrespect MathOverflow or harm it in any way. On the contrary, PhysicsOverflow certainly wants to maintain friendly relations with MathOverflow ([and this is reciprocated too](https://m... |
2,024 | I just happened to note that <http://www.physicsoverflow.org/> now exists; this isn't a stackexchange website, but seems to run on similar software, and with similar goals to mathoverflow, which seems reasonable to me.
However, it seems to have populated itself with a large number of questions from this site (and perh... | 2014/12/07 | [
"https://meta.mathoverflow.net/questions/2024",
"https://meta.mathoverflow.net",
"https://meta.mathoverflow.net/users/1703/"
] | Populating with questions, properly attributed, is completely okay, with or without permission. (That's the point of our licence.)
Creating user accounts without permission is completely not okay. | As others have noted, copying posts with suitable attribution and license terms is allowed by the CC BY SA license, and the attribution seems to be done reasonably. However, I'd be unhappy if my user account were imported (fortunately it hasn't been), for some of the same reasons as discussed in the comments. Here's a ... |
2,024 | I just happened to note that <http://www.physicsoverflow.org/> now exists; this isn't a stackexchange website, but seems to run on similar software, and with similar goals to mathoverflow, which seems reasonable to me.
However, it seems to have populated itself with a large number of questions from this site (and perh... | 2014/12/07 | [
"https://meta.mathoverflow.net/questions/2024",
"https://meta.mathoverflow.net",
"https://meta.mathoverflow.net/users/1703/"
] | As others have noted, copying posts with suitable attribution and license terms is allowed by the CC BY SA license, and the attribution seems to be done reasonably. However, I'd be unhappy if my user account were imported (fortunately it hasn't been), for some of the same reasons as discussed in the comments. Here's a ... | As a moderator on PhysicsOverflow, let me clarify that the purpose of importing posts from MathOverflow is certainly not to demean or disrespect MathOverflow or harm it in any way. On the contrary, PhysicsOverflow certainly wants to maintain friendly relations with MathOverflow ([and this is reciprocated too](https://m... |
2,024 | I just happened to note that <http://www.physicsoverflow.org/> now exists; this isn't a stackexchange website, but seems to run on similar software, and with similar goals to mathoverflow, which seems reasonable to me.
However, it seems to have populated itself with a large number of questions from this site (and perh... | 2014/12/07 | [
"https://meta.mathoverflow.net/questions/2024",
"https://meta.mathoverflow.net",
"https://meta.mathoverflow.net/users/1703/"
] | I strongly agree with Andy Putman's comment.
>
> I also am very annoyed that my account was copied. My name is my academic "brand", so to speak, so I like to have control over where I have accounts.
>
>
>
Listing people who have never heard of, visited, or endorsed your site as users, with fine print saying that... | As a moderator on PhysicsOverflow, let me clarify that the purpose of importing posts from MathOverflow is certainly not to demean or disrespect MathOverflow or harm it in any way. On the contrary, PhysicsOverflow certainly wants to maintain friendly relations with MathOverflow ([and this is reciprocated too](https://m... |
2,024 | I just happened to note that <http://www.physicsoverflow.org/> now exists; this isn't a stackexchange website, but seems to run on similar software, and with similar goals to mathoverflow, which seems reasonable to me.
However, it seems to have populated itself with a large number of questions from this site (and perh... | 2014/12/07 | [
"https://meta.mathoverflow.net/questions/2024",
"https://meta.mathoverflow.net",
"https://meta.mathoverflow.net/users/1703/"
] | I strongly agree with Andy Putman's comment.
>
> I also am very annoyed that my account was copied. My name is my academic "brand", so to speak, so I like to have control over where I have accounts.
>
>
>
Listing people who have never heard of, visited, or endorsed your site as users, with fine print saying that... | As others have noted, copying posts with suitable attribution and license terms is allowed by the CC BY SA license, and the attribution seems to be done reasonably. However, I'd be unhappy if my user account were imported (fortunately it hasn't been), for some of the same reasons as discussed in the comments. Here's a ... |
41,816 | The **Mini 4WD**'s tires aren't full of air, and it can run. Also, the tank doesn't have tires with air. So, the question is: why do real cars on the road need to be filled with air? What is the idea behind it?
 | 2012/10/27 | [
"https://physics.stackexchange.com/questions/41816",
"https://physics.stackexchange.com",
"https://physics.stackexchange.com/users/8607/"
] | Air is the best engineering solution. It works pretty well and it's light and cheap.
You need some compliance in the tyres for comfort and to help them grip the road. In principle you can make a solid tyre with the same compliance as a pneumatic tyre, but it would be more expensive and heavier.
Solid tyres are used w... | Don't forget the tank wheel system (called 'chenille' (caterpillar) in french) is bullet proof, maybe mine proof. It requires much more energy since it's more friction (on top of a tank being VERY heavy) than conventional wheels.
Formula 1 have very big tires, but very tough metal springs. Tires are much better than s... |
41,816 | The **Mini 4WD**'s tires aren't full of air, and it can run. Also, the tank doesn't have tires with air. So, the question is: why do real cars on the road need to be filled with air? What is the idea behind it?
 | 2012/10/27 | [
"https://physics.stackexchange.com/questions/41816",
"https://physics.stackexchange.com",
"https://physics.stackexchange.com/users/8607/"
] | The usage of air mainly lies in the fact - "The wheels of road vehicles have to encounter a *marvelous* number of obstacles along their way". Air (more specifically gas) has lower density, viscosity, has higher expansion coefficient and also exerts lower & much more uniform pressure on each and every surface of the tub... | Don't forget the tank wheel system (called 'chenille' (caterpillar) in french) is bullet proof, maybe mine proof. It requires much more energy since it's more friction (on top of a tank being VERY heavy) than conventional wheels.
Formula 1 have very big tires, but very tough metal springs. Tires are much better than s... |
41,816 | The **Mini 4WD**'s tires aren't full of air, and it can run. Also, the tank doesn't have tires with air. So, the question is: why do real cars on the road need to be filled with air? What is the idea behind it?
 | 2012/10/27 | [
"https://physics.stackexchange.com/questions/41816",
"https://physics.stackexchange.com",
"https://physics.stackexchange.com/users/8607/"
] | Air is the best engineering solution. It works pretty well and it's light and cheap.
You need some compliance in the tyres for comfort and to help them grip the road. In principle you can make a solid tyre with the same compliance as a pneumatic tyre, but it would be more expensive and heavier.
Solid tyres are used w... | The usage of air mainly lies in the fact - "The wheels of road vehicles have to encounter a *marvelous* number of obstacles along their way". Air (more specifically gas) has lower density, viscosity, has higher expansion coefficient and also exerts lower & much more uniform pressure on each and every surface of the tub... |
41,816 | The **Mini 4WD**'s tires aren't full of air, and it can run. Also, the tank doesn't have tires with air. So, the question is: why do real cars on the road need to be filled with air? What is the idea behind it?
 | 2012/10/27 | [
"https://physics.stackexchange.com/questions/41816",
"https://physics.stackexchange.com",
"https://physics.stackexchange.com/users/8607/"
] | Air is a good spring.
That toy car weighs only a few 100g, a real car weighs 2000kg. The ride on that car is very rough, you wouldn't be very comfortable driving over bumps in it. | The usage of air mainly lies in the fact - "The wheels of road vehicles have to encounter a *marvelous* number of obstacles along their way". Air (more specifically gas) has lower density, viscosity, has higher expansion coefficient and also exerts lower & much more uniform pressure on each and every surface of the tub... |
41,816 | The **Mini 4WD**'s tires aren't full of air, and it can run. Also, the tank doesn't have tires with air. So, the question is: why do real cars on the road need to be filled with air? What is the idea behind it?
 | 2012/10/27 | [
"https://physics.stackexchange.com/questions/41816",
"https://physics.stackexchange.com",
"https://physics.stackexchange.com/users/8607/"
] | Air is a good spring.
That toy car weighs only a few 100g, a real car weighs 2000kg. The ride on that car is very rough, you wouldn't be very comfortable driving over bumps in it. | Because air is a cheap, light engineering material.
The wheels perform several functions:
* Lift the car off the ground
* Provide a low rolling resistance
* Transfer energy from the engine to the vehicle body
* Provide friction to the surface so energy transfer (accel or deccel) is efficient and the handling is suffi... |
41,816 | The **Mini 4WD**'s tires aren't full of air, and it can run. Also, the tank doesn't have tires with air. So, the question is: why do real cars on the road need to be filled with air? What is the idea behind it?
 | 2012/10/27 | [
"https://physics.stackexchange.com/questions/41816",
"https://physics.stackexchange.com",
"https://physics.stackexchange.com/users/8607/"
] | The usage of air mainly lies in the fact - "The wheels of road vehicles have to encounter a *marvelous* number of obstacles along their way". Air (more specifically gas) has lower density, viscosity, has higher expansion coefficient and also exerts lower & much more uniform pressure on each and every surface of the tub... | Because air is a cheap, light engineering material.
The wheels perform several functions:
* Lift the car off the ground
* Provide a low rolling resistance
* Transfer energy from the engine to the vehicle body
* Provide friction to the surface so energy transfer (accel or deccel) is efficient and the handling is suffi... |
218,766 | It appears to be a fairly common planetary naming scheme in science fiction: Take the common name (or its bayer designation) of star and append the planetary ordinal in the form of a Roman or Arabic numeral.
I found a good discription in a [game manual from 1993](https://archive.org/details/star-trek-the-next-generati... | 2019/09/09 | [
"https://scifi.stackexchange.com/questions/218766",
"https://scifi.stackexchange.com",
"https://scifi.stackexchange.com/users/120338/"
] | The naming convention has been in common usage forever in science fiction. E.E. Smith from the first *Galactic Patrol* serial in 1937 referred to planets such as Velantia III, Rigel IV, and Palain VII, and Earth was specifically referred to as Sol Three from time to time in the series.
The following examples are from ... | It was used to designate Earth in Eric Frank Russell's "Hobbyist". That was 1947.
The story involves a scout pilot stranded on a distant world. In his search for fuel he finds a building with a huge number of creatures in cases, apparently in suspended animation, but in fact waiting to have the Breath of Life breathe... |
218,766 | It appears to be a fairly common planetary naming scheme in science fiction: Take the common name (or its bayer designation) of star and append the planetary ordinal in the form of a Roman or Arabic numeral.
I found a good discription in a [game manual from 1993](https://archive.org/details/star-trek-the-next-generati... | 2019/09/09 | [
"https://scifi.stackexchange.com/questions/218766",
"https://scifi.stackexchange.com",
"https://scifi.stackexchange.com/users/120338/"
] | This is a naming scheme that has been used for moons since they were discovered. For example, since their discovery all the way to the 20th century, Jupiter's moons were known simply as Jupiter I, Jupiter II, Jupiter III and Jupiter IV. As new moons were discovered, this practice was followed. Even for the four most ea... | It was used to designate Earth in Eric Frank Russell's "Hobbyist". That was 1947.
The story involves a scout pilot stranded on a distant world. In his search for fuel he finds a building with a huge number of creatures in cases, apparently in suspended animation, but in fact waiting to have the Breath of Life breathe... |
218,766 | It appears to be a fairly common planetary naming scheme in science fiction: Take the common name (or its bayer designation) of star and append the planetary ordinal in the form of a Roman or Arabic numeral.
I found a good discription in a [game manual from 1993](https://archive.org/details/star-trek-the-next-generati... | 2019/09/09 | [
"https://scifi.stackexchange.com/questions/218766",
"https://scifi.stackexchange.com",
"https://scifi.stackexchange.com/users/120338/"
] | It was used to designate Earth in Eric Frank Russell's "Hobbyist". That was 1947.
The story involves a scout pilot stranded on a distant world. In his search for fuel he finds a building with a huge number of creatures in cases, apparently in suspended animation, but in fact waiting to have the Breath of Life breathe... | I've found a literary *description* of the naming scheme in a comic [Antares Episode 1 – October 2007 ISBN 978-1-84918-097-9](https://books.google.de/books?id=kfBsvALxB6oC&pg=PA64&dq=planet+star+name+number&hl=en&sa=X&ved=0ahUKEwj3p8u_583kAhUwsaQKHcw4AUUQ6AEINTAC#v=onepage&q&f=false):
>
> Clarifications concerning th... |
218,766 | It appears to be a fairly common planetary naming scheme in science fiction: Take the common name (or its bayer designation) of star and append the planetary ordinal in the form of a Roman or Arabic numeral.
I found a good discription in a [game manual from 1993](https://archive.org/details/star-trek-the-next-generati... | 2019/09/09 | [
"https://scifi.stackexchange.com/questions/218766",
"https://scifi.stackexchange.com",
"https://scifi.stackexchange.com/users/120338/"
] | The naming convention has been in common usage forever in science fiction. E.E. Smith from the first *Galactic Patrol* serial in 1937 referred to planets such as Velantia III, Rigel IV, and Palain VII, and Earth was specifically referred to as Sol Three from time to time in the series.
The following examples are from ... | This is a naming scheme that has been used for moons since they were discovered. For example, since their discovery all the way to the 20th century, Jupiter's moons were known simply as Jupiter I, Jupiter II, Jupiter III and Jupiter IV. As new moons were discovered, this practice was followed. Even for the four most ea... |
218,766 | It appears to be a fairly common planetary naming scheme in science fiction: Take the common name (or its bayer designation) of star and append the planetary ordinal in the form of a Roman or Arabic numeral.
I found a good discription in a [game manual from 1993](https://archive.org/details/star-trek-the-next-generati... | 2019/09/09 | [
"https://scifi.stackexchange.com/questions/218766",
"https://scifi.stackexchange.com",
"https://scifi.stackexchange.com/users/120338/"
] | The naming convention has been in common usage forever in science fiction. E.E. Smith from the first *Galactic Patrol* serial in 1937 referred to planets such as Velantia III, Rigel IV, and Palain VII, and Earth was specifically referred to as Sol Three from time to time in the series.
The following examples are from ... | I've found a literary *description* of the naming scheme in a comic [Antares Episode 1 – October 2007 ISBN 978-1-84918-097-9](https://books.google.de/books?id=kfBsvALxB6oC&pg=PA64&dq=planet+star+name+number&hl=en&sa=X&ved=0ahUKEwj3p8u_583kAhUwsaQKHcw4AUUQ6AEINTAC#v=onepage&q&f=false):
>
> Clarifications concerning th... |
218,766 | It appears to be a fairly common planetary naming scheme in science fiction: Take the common name (or its bayer designation) of star and append the planetary ordinal in the form of a Roman or Arabic numeral.
I found a good discription in a [game manual from 1993](https://archive.org/details/star-trek-the-next-generati... | 2019/09/09 | [
"https://scifi.stackexchange.com/questions/218766",
"https://scifi.stackexchange.com",
"https://scifi.stackexchange.com/users/120338/"
] | This is a naming scheme that has been used for moons since they were discovered. For example, since their discovery all the way to the 20th century, Jupiter's moons were known simply as Jupiter I, Jupiter II, Jupiter III and Jupiter IV. As new moons were discovered, this practice was followed. Even for the four most ea... | I've found a literary *description* of the naming scheme in a comic [Antares Episode 1 – October 2007 ISBN 978-1-84918-097-9](https://books.google.de/books?id=kfBsvALxB6oC&pg=PA64&dq=planet+star+name+number&hl=en&sa=X&ved=0ahUKEwj3p8u_583kAhUwsaQKHcw4AUUQ6AEINTAC#v=onepage&q&f=false):
>
> Clarifications concerning th... |
2,782,760 | I am involved in a project which requires designing a mini rover (mars rover types). I am using ATMega32 micro controller. I have other hardware like DC motors, IR sensors etc. My query is that is there any IDE that I can use to code the micro controller? It must be user friendly since I am new to the concept of micro ... | 2010/05/06 | [
"https://Stackoverflow.com/questions/2782760",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/298112/"
] | I would try the Arduino's IDE: <http://www.arduino.cc/en/Main/Software>
It supports a lot of things such as building and debugging and interfacing with avrdude all from inside the IDE, so definitely a good one for embedded work, though I've never used it myself.
Also, while you are there, you may want to give the Wi... | There's no silver bullet.
Start here <http://www.atmel.com/dyn/products/tools_v2.asp?family_id=607>
Look for some videos on Youtube to learn.
Arduino is also a very good choice like Earlz wrote. |
2,782,760 | I am involved in a project which requires designing a mini rover (mars rover types). I am using ATMega32 micro controller. I have other hardware like DC motors, IR sensors etc. My query is that is there any IDE that I can use to code the micro controller? It must be user friendly since I am new to the concept of micro ... | 2010/05/06 | [
"https://Stackoverflow.com/questions/2782760",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/298112/"
] | I would try the Arduino's IDE: <http://www.arduino.cc/en/Main/Software>
It supports a lot of things such as building and debugging and interfacing with avrdude all from inside the IDE, so definitely a good one for embedded work, though I've never used it myself.
Also, while you are there, you may want to give the Wi... | The best IDE to use would be ATMEL STUDIO 6. You can find it here <http://www.atmel.com/microsite/atmel_studio6/>. Also you would need a ICSP programmer to burn the .hex file into the Atmega32. Note: The ICSP programmer can also be use to program other atmega chips |
2,782,760 | I am involved in a project which requires designing a mini rover (mars rover types). I am using ATMega32 micro controller. I have other hardware like DC motors, IR sensors etc. My query is that is there any IDE that I can use to code the micro controller? It must be user friendly since I am new to the concept of micro ... | 2010/05/06 | [
"https://Stackoverflow.com/questions/2782760",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/298112/"
] | There's no silver bullet.
Start here <http://www.atmel.com/dyn/products/tools_v2.asp?family_id=607>
Look for some videos on Youtube to learn.
Arduino is also a very good choice like Earlz wrote. | The best IDE to use would be ATMEL STUDIO 6. You can find it here <http://www.atmel.com/microsite/atmel_studio6/>. Also you would need a ICSP programmer to burn the .hex file into the Atmega32. Note: The ICSP programmer can also be use to program other atmega chips |
23,674 | My company a large number of small Wordpress sites. Currently we have about 10, but that number will eventually grow into the range of 50-70. We currently have a Linode for all of our sites, but it is starting to get unwieldy installing Wordpress and configuring it for every new site.
Anyone have any recommendations f... | 2011/12/22 | [
"https://webmasters.stackexchange.com/questions/23674",
"https://webmasters.stackexchange.com",
"https://webmasters.stackexchange.com/users/12235/"
] | danlefree offered some excellent options. What's particularly nice about WP Multisite is that it's designed for exactly the situation you pose: Multiple WordPress sites that need to have some consistency (because they have the same/similar origins), but can offer users some individuality too, if that's the admin's pref... | You should find a hosting where you can create an image of a clean installed machine (/ VPS) if Linode doesn't support it.
And just use that image for every new install.
You cannot get it any easier IMHO. :)
**Update**
I think Linode does support it and it is called [cloning](http://blog.linode.com/2007/11/16/clone... |
23,674 | My company a large number of small Wordpress sites. Currently we have about 10, but that number will eventually grow into the range of 50-70. We currently have a Linode for all of our sites, but it is starting to get unwieldy installing Wordpress and configuring it for every new site.
Anyone have any recommendations f... | 2011/12/22 | [
"https://webmasters.stackexchange.com/questions/23674",
"https://webmasters.stackexchange.com",
"https://webmasters.stackexchange.com/users/12235/"
] | danlefree offered some excellent options. What's particularly nice about WP Multisite is that it's designed for exactly the situation you pose: Multiple WordPress sites that need to have some consistency (because they have the same/similar origins), but can offer users some individuality too, if that's the admin's pref... | If the Linode VPS, which is just a normal linux server, requires too much maintenence then you'll likely have that same problem as well with any dedicated physical servers or VPS that you set up. I'd recommend you look in to a *managed hosting* service. The hosting company would take care of all of the system maintenan... |
254,633 | As I get older, the more I struggle to understand the Wizarding World's relationship to muggles. The Wizarding World seems to have two chief perspectives on how to interact with muggles.
1. Go to extreme lengths to hide the existence of wizards from muggles, in hopes to protect wizard and muggle alike.
2. Reveal wizar... | 2021/10/04 | [
"https://scifi.stackexchange.com/questions/254633",
"https://scifi.stackexchange.com",
"https://scifi.stackexchange.com/users/36883/"
] | To start, you don't sound to be missing any canon that I'm aware of. I've read and watched the series numerous times. Two of the reasons Rowling has her characters state for the separation of the worlds could also explain the two stances toward muggles.
1. "In Harry Potter and the Prisoner of Azkaban, Harry writes an ... | Your proposal is roughly discussed between Harry and Hagrid in The Philosopher's Stone:
>
> “But what does a Ministry of Magic do?”
>
>
> “Well, their main job is to
> keep it from the Muggles that there’s still witches an’ wizards up an’
> down the country.”
>
>
> “Why?”
>
>
> “Why? Blimey, Harry, everyone’d b... |
3,197,888 | I'm after a method of converting a single program to run on multiple computers on a network (think "grid computing").
I'm using MSVC 2007 and C++ (non-.NET).
The program I've written is ideally suited for parallel programming (its doing analysis of scientific data), so the more computers the better. | 2010/07/07 | [
"https://Stackoverflow.com/questions/3197888",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/107409/"
] | The classic answer for this would be MPI (Message Passing Interface). It requires a bit of work to get your program to work well with message passing, but the end result is that you can easily launch your executable across a cluster of machines that are running a MPI daemon.
There are several implementations. I've wor... | Firstly, this topic is covered here:
<https://stackoverflow.com/questions/2258332/distributed-computing-in-c>
Secondly, a search for "C++ grid computing library", "grid computing for visual studio" and "C++ distributed computing library" returned the following:
* OpenMP+OpenMPI. OpenMP handles the running of single C... |
142,893 | I often hear Turing machine is a mathematical model of computation. Sometimes, it's said to [embody any computer program](https://introcs.cs.princeton.edu/java/52turing/#:%7E:text=Turing%20machine%20is%20a%20simple,is%20amenable%20to%20mathematical%20analysis.). Sometimes, it's said to be [an idealised computing device... | 2021/08/03 | [
"https://cs.stackexchange.com/questions/142893",
"https://cs.stackexchange.com",
"https://cs.stackexchange.com/users/132276/"
] | Very roughly, you can use the following analogies.
| Turing machine | Modern computer |
| --- | --- |
| Tape & head | RAM, disk, other forms of data storage |
| Instruction table | Electronic circuit |
| [Turing machine](https://en.wikipedia.org/wiki/Turing_machine) | Any electronic device (thermostat, PC, phone, digi... | The turing machine is a mathematical concept to describe computability and complexity. Although we often talk about a head moving across some infinite tape, this is just to aid thinking and understanding. You don't need that. The TM's formal definition only needs basic discrete mathematics.
Alan Turing wasn't interest... |
19,193,380 | I have 3 questions.
I've been trying to find answers before posting it, but failed.
Please leave a short comment if you know even a little though.
* Question #1
Does Chromecast support MPEG-DASH now?
I've tested a sample program (cast-chrome, provided by google) to play MPEG-DASH stream by replacing the url to MEPG-D... | 2013/10/05 | [
"https://Stackoverflow.com/questions/19193380",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/2848557/"
] | 1) Short answer is that yes, MPEG-DASH is supported.
The long answer is that MSE is supported, which means you can write a player to play fragmented HTTP content. This allows for DASH support, but DASH is not supported by default. You cannot pass an MPD to the Chromecast and have it play. Instead you must create a cus... | ### 1. Yes - You must create your own player using the [Media Source Extensions](https://dvcs.w3.org/hg/html-media/raw-file/tip/media-source/media-source.html)
### 3. Yes.
We will have more when the API's leave preview. |
2,621 | Is the movie allowed here? Is it considered more as a movie? Or is it considered sci-fi. I don't really want to gather more downvotes; I just want to know whether or not it's within the scope of the faq. | 2013/02/05 | [
"https://scifi.meta.stackexchange.com/questions/2621",
"https://scifi.meta.stackexchange.com",
"https://scifi.meta.stackexchange.com/users/6675/"
] | Yes, absolutely, that movie is science fiction - or at least SFF enough to be within the scope of the FAQ. No guarantee that you won't still get downvoted. Some people are offended by any attempt to take movies they don't like seriously. | Reading the [Wikipedia entry](http://en.wikipedia.org/wiki/Interstella_5555:_The_5tory_of_the_5ecret_5tar_5ystem), I would vote yes. But if you're really concerned, you could try the [TV & Movies StackExchange](https://movies.stackexchange.com/) where it would definitely be on-topic. |
2,621 | Is the movie allowed here? Is it considered more as a movie? Or is it considered sci-fi. I don't really want to gather more downvotes; I just want to know whether or not it's within the scope of the faq. | 2013/02/05 | [
"https://scifi.meta.stackexchange.com/questions/2621",
"https://scifi.meta.stackexchange.com",
"https://scifi.meta.stackexchange.com/users/6675/"
] | Yes, absolutely, that movie is science fiction - or at least SFF enough to be within the scope of the FAQ. No guarantee that you won't still get downvoted. Some people are offended by any attempt to take movies they don't like seriously. | I'm not sure how that movie could be interpreted as **not** science fiction.
Let's put it this way: *My Little Pony* is on topic here. A movie about a group of alien musicians being kidnapped and held prisoner on Earth is *certainly* going to be on topic!
By all means, please ask! |
2,621 | Is the movie allowed here? Is it considered more as a movie? Or is it considered sci-fi. I don't really want to gather more downvotes; I just want to know whether or not it's within the scope of the faq. | 2013/02/05 | [
"https://scifi.meta.stackexchange.com/questions/2621",
"https://scifi.meta.stackexchange.com",
"https://scifi.meta.stackexchange.com/users/6675/"
] | Yes, absolutely, that movie is science fiction - or at least SFF enough to be within the scope of the FAQ. No guarantee that you won't still get downvoted. Some people are offended by any attempt to take movies they don't like seriously. | It is certainly on-topic on [Anime and Manga](https://anime.stackexchange.com/). The accepted answer indicates that it is on-topic here as well, so you're welcome to ask here or there, though you [should not ask on both sites](https://meta.stackexchange.com/questions/64068/is-cross-posting-a-question-on-multiple-stack-... |
2,621 | Is the movie allowed here? Is it considered more as a movie? Or is it considered sci-fi. I don't really want to gather more downvotes; I just want to know whether or not it's within the scope of the faq. | 2013/02/05 | [
"https://scifi.meta.stackexchange.com/questions/2621",
"https://scifi.meta.stackexchange.com",
"https://scifi.meta.stackexchange.com/users/6675/"
] | I'm not sure how that movie could be interpreted as **not** science fiction.
Let's put it this way: *My Little Pony* is on topic here. A movie about a group of alien musicians being kidnapped and held prisoner on Earth is *certainly* going to be on topic!
By all means, please ask! | Reading the [Wikipedia entry](http://en.wikipedia.org/wiki/Interstella_5555:_The_5tory_of_the_5ecret_5tar_5ystem), I would vote yes. But if you're really concerned, you could try the [TV & Movies StackExchange](https://movies.stackexchange.com/) where it would definitely be on-topic. |
2,621 | Is the movie allowed here? Is it considered more as a movie? Or is it considered sci-fi. I don't really want to gather more downvotes; I just want to know whether or not it's within the scope of the faq. | 2013/02/05 | [
"https://scifi.meta.stackexchange.com/questions/2621",
"https://scifi.meta.stackexchange.com",
"https://scifi.meta.stackexchange.com/users/6675/"
] | It is certainly on-topic on [Anime and Manga](https://anime.stackexchange.com/). The accepted answer indicates that it is on-topic here as well, so you're welcome to ask here or there, though you [should not ask on both sites](https://meta.stackexchange.com/questions/64068/is-cross-posting-a-question-on-multiple-stack-... | Reading the [Wikipedia entry](http://en.wikipedia.org/wiki/Interstella_5555:_The_5tory_of_the_5ecret_5tar_5ystem), I would vote yes. But if you're really concerned, you could try the [TV & Movies StackExchange](https://movies.stackexchange.com/) where it would definitely be on-topic. |
22,418 | My product is covered by my Australian patent but another Australian company has copied it and are manufacturing it in Australia and selling it overseas to a country I have no patent rights, are they allowed to do this. | 2020/06/29 | [
"https://patents.stackexchange.com/questions/22418",
"https://patents.stackexchange.com",
"https://patents.stackexchange.com/users/24250/"
] | In Australia any act that happens in Australia (**sale**/importation) infringe the patent even if it happens out of Australia and then imported to Australia.
Even the **proposal of sale** of some product before the expiration of the patent infringe the patent.
In your case there are sales happening in Australia, no m... | I have no idea about Australian law, but I think in the US you would be able to sue. I remember hearing in some podcast about a decision of a court that that selling kits for a patented technology to be sold out of the US was not allowed. I don't remember if they were able to get an injunction, but they were allowed da... |
492 | Please take a look at this proposal: [**Machine Learning > On Topic**](http://area51.stackexchange.com/proposals/7607?tab=ontopic&phase=definition#tab-top)
I would like your opinion if these on-topic questions would be welcomed on this site:
* I am using a neural network with the backpropagation algorithm. How can I ... | 2010/10/09 | [
"https://stats.meta.stackexchange.com/questions/492",
"https://stats.meta.stackexchange.com",
"https://stats.meta.stackexchange.com/users/246/"
] | These are all on-topic and already included in our FAQ. We decided this a long time ago: [Is machine learning a part of statistical analysis?](https://stats.meta.stackexchange.com/questions/16/is-machine-learning-a-part-of-statistical-analysis). It is one of the most popular tags on the main site: <https://stats.stacke... | I see that the [Machine Learning proposal was **closed as a duplicate**](http://area51.stackexchange.com/proposals/7607/machine-learning) by Robert Cartaino. Let me just reiterate to anyone coming from that proposal that we want to make every effort to accommodate the community on this site, and invite suggestions abou... |
18,424,086 | Is there any service or javascript plugin to share highlighted text as Medium or Sitepoint does? I would appreciate a service as it may offer some statistics. | 2013/08/24 | [
"https://Stackoverflow.com/questions/18424086",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/1110846/"
] | Here's a Wordpress plugin which has some of the functionality your looking for..
[Highlight and Share Wordpress Plugin](http://highlight-share.creativindie.com/)
Its not free and doesn't look to be as good as what Medium is doing but I just stumbled across it today.. haven't tried it yet.
There's also an open-sourc... | If someone else is interested I've found
<http://www.markerly.com/gtc>
Pretty cool but still looking for something better. |
486,865 | >
> We had to use the bridge to go \_\_\_\_\_\_\_ the river.
>
>
>
What should be the preposition: *over* or *across*?
People are divided in their opinion. Some say *over,* while others say *across.* Some even say that it could be both. What is the correct answer? | 2019/02/23 | [
"https://english.stackexchange.com/questions/486865",
"https://english.stackexchange.com",
"https://english.stackexchange.com/users/298287/"
] | The answer is it could be both. Unprompted, a native English-speaking reader would instantly comprehend the meaning, most likely without a hitch.
Personally, I wouldn't use either, but would simply use *cross*
>
> "We had to use a bridge to cross the river"
>
>
>
if the action concerned personal mobility, or ... | When it comes to getting from one bank of a river to the other the words "across" and "over" can be used interchangeably. An example of this interchangeability is one verse of the traditional song ["The Waters of Tyne"](https://lyricsplayground.com/alpha/songs/w/wateroftynethe.html) from North East England. This verse ... |
65,332 | Example ([A Russian Soldier Story](http://lens.blogs.nytimes.com/2015/08/24/a-russian-solider-story/?_r=1#)):
>
> One fresh-faced youth in a photograph **hikes his pants onto his waist** in a white tent where young soldiers sleep while on base. He looks hurried and anxious, as if he is late for a drill and knows full... | 2015/08/25 | [
"https://ell.stackexchange.com/questions/65332",
"https://ell.stackexchange.com",
"https://ell.stackexchange.com/users/6450/"
] | To pull them up higher than they were. Typically, this implies grasping by the waist (of the pants) and pulling (usually sharply) upward. Often, this usage means that the pants were on the person, but below where they would typically be worn, and the "hiking" is returning them to their proper location.
**Hiking one's ... | It means that he's in the process of pulling his pants further up his body (perhaps he's putting them on, or they were too low before). It's an idiom.
Have a link: <http://idioms.thefreedictionary.com/hike+up>
>
> hike up v.
> 1. To pull up or raise something with a sudden motion, especially a piece of clothing
> ... |
64,740 | My work is 17 km (10.5 miles) from home and I am wondering if it's possible to commute daily by bike. I live in the Netherlands so the roads are bike-friendly. Google predicts it takes 52 minutes (one-way).Do you think it's an accurate prediction?
I am 25 years old, weigh 80 kg (176 pounds or 12.5 stone), and I am 183... | 2019/10/17 | [
"https://bicycles.stackexchange.com/questions/64740",
"https://bicycles.stackexchange.com",
"https://bicycles.stackexchange.com/users/45762/"
] | Yes, you can ride that distance daily. You might find it hard at first but it should definitely be doable.
I can't say if the Google estimate is any good - it will depend on how fast you ride and delays at intersections and road crossings.
Try riding the route on a weekend to get an idea of how hard you find it and h... | Yes, it can be done.
I had a coworker who did a 40km (roundtrip) most days.
He did however drive when it snowed or otherwise was really bad weather.
We did also have a dressing room with showers at work so he was able to change clothes. |
64,740 | My work is 17 km (10.5 miles) from home and I am wondering if it's possible to commute daily by bike. I live in the Netherlands so the roads are bike-friendly. Google predicts it takes 52 minutes (one-way).Do you think it's an accurate prediction?
I am 25 years old, weigh 80 kg (176 pounds or 12.5 stone), and I am 183... | 2019/10/17 | [
"https://bicycles.stackexchange.com/questions/64740",
"https://bicycles.stackexchange.com",
"https://bicycles.stackexchange.com/users/45762/"
] | **Yes** this is achieveable. To expand on other's points:
* Mix up your route, if possible. Riding the same roads over and over gets a bit old. Add 5 minutes and go a little out of your way for some variation. You might even discover a better route.
* The good days are great. The bad days, less so. If you have no alte... | I commute 15 km one way, relatively flat with a steep way up (and down when coming back) for maybe 300 m in the middle of these 15 km (which I walk pushing my bike).
I would love to say that I commute everyday but it is not true, this is more 4 times a week, then a week or two without commute, or only one, then again ... |
64,740 | My work is 17 km (10.5 miles) from home and I am wondering if it's possible to commute daily by bike. I live in the Netherlands so the roads are bike-friendly. Google predicts it takes 52 minutes (one-way).Do you think it's an accurate prediction?
I am 25 years old, weigh 80 kg (176 pounds or 12.5 stone), and I am 183... | 2019/10/17 | [
"https://bicycles.stackexchange.com/questions/64740",
"https://bicycles.stackexchange.com",
"https://bicycles.stackexchange.com/users/45762/"
] | Medefietser hier.
I live in the Netherlands, too, and I work 13 km from home.
It's doable, and it will get better with practice. When I started using the bike instead of the car I needed about 1 hour for the single trip, now I can pull it out in 35 minutes. Google prediction is more on the well-used-to-it side.
Few... | **Yes**
If the roads are bike-friendly, then it sounds like what you are trying to achieve is definitely possible. If you don't want to have a hard time of it and have to shower at either end, you could even just get an ebike that would do most of the work for you. It isn't cheating if you aren't racing; you are just ... |
64,740 | My work is 17 km (10.5 miles) from home and I am wondering if it's possible to commute daily by bike. I live in the Netherlands so the roads are bike-friendly. Google predicts it takes 52 minutes (one-way).Do you think it's an accurate prediction?
I am 25 years old, weigh 80 kg (176 pounds or 12.5 stone), and I am 183... | 2019/10/17 | [
"https://bicycles.stackexchange.com/questions/64740",
"https://bicycles.stackexchange.com",
"https://bicycles.stackexchange.com/users/45762/"
] | That's similar to my old commute (a bit further but flatter), and I didn't cycle regularly when I started. The Google estimate is probably reasonable for the second time you do it, though may not reflect rush hour traffic. The first time will probably take longer due to unfamiliarity (a trip when it doesn't matter if y... | **Yes** this is achieveable. To expand on other's points:
* Mix up your route, if possible. Riding the same roads over and over gets a bit old. Add 5 minutes and go a little out of your way for some variation. You might even discover a better route.
* The good days are great. The bad days, less so. If you have no alte... |
64,740 | My work is 17 km (10.5 miles) from home and I am wondering if it's possible to commute daily by bike. I live in the Netherlands so the roads are bike-friendly. Google predicts it takes 52 minutes (one-way).Do you think it's an accurate prediction?
I am 25 years old, weigh 80 kg (176 pounds or 12.5 stone), and I am 183... | 2019/10/17 | [
"https://bicycles.stackexchange.com/questions/64740",
"https://bicycles.stackexchange.com",
"https://bicycles.stackexchange.com/users/45762/"
] | That's similar to my old commute (a bit further but flatter), and I didn't cycle regularly when I started. The Google estimate is probably reasonable for the second time you do it, though may not reflect rush hour traffic. The first time will probably take longer due to unfamiliarity (a trip when it doesn't matter if y... | Yes, you can ride that distance daily. You might find it hard at first but it should definitely be doable.
I can't say if the Google estimate is any good - it will depend on how fast you ride and delays at intersections and road crossings.
Try riding the route on a weekend to get an idea of how hard you find it and h... |
64,740 | My work is 17 km (10.5 miles) from home and I am wondering if it's possible to commute daily by bike. I live in the Netherlands so the roads are bike-friendly. Google predicts it takes 52 minutes (one-way).Do you think it's an accurate prediction?
I am 25 years old, weigh 80 kg (176 pounds or 12.5 stone), and I am 183... | 2019/10/17 | [
"https://bicycles.stackexchange.com/questions/64740",
"https://bicycles.stackexchange.com",
"https://bicycles.stackexchange.com/users/45762/"
] | Yes, you can ride that distance daily. You might find it hard at first but it should definitely be doable.
I can't say if the Google estimate is any good - it will depend on how fast you ride and delays at intersections and road crossings.
Try riding the route on a weekend to get an idea of how hard you find it and h... | **Yes**
If the roads are bike-friendly, then it sounds like what you are trying to achieve is definitely possible. If you don't want to have a hard time of it and have to shower at either end, you could even just get an ebike that would do most of the work for you. It isn't cheating if you aren't racing; you are just ... |
64,740 | My work is 17 km (10.5 miles) from home and I am wondering if it's possible to commute daily by bike. I live in the Netherlands so the roads are bike-friendly. Google predicts it takes 52 minutes (one-way).Do you think it's an accurate prediction?
I am 25 years old, weigh 80 kg (176 pounds or 12.5 stone), and I am 183... | 2019/10/17 | [
"https://bicycles.stackexchange.com/questions/64740",
"https://bicycles.stackexchange.com",
"https://bicycles.stackexchange.com/users/45762/"
] | As others have stated, it's certainly possible. I used to do it for a couple of months. I found that:
* I needed more sleep/rest than before¹
* I needed more food than before
If I would have a 15–30 km commute for longer, I would consider to **get a recumbent**. I don't have personal experience with one, but it's sup... | Separate biking clothes are pretty much indispensible (also because ordinary trouser knees and bottom wear out indecently fast), you need somewhere to hang them at work to avoid them getting stinky fast. You might want to think about at least armpit hair removal to render the change of clothes more effective at control... |
64,740 | My work is 17 km (10.5 miles) from home and I am wondering if it's possible to commute daily by bike. I live in the Netherlands so the roads are bike-friendly. Google predicts it takes 52 minutes (one-way).Do you think it's an accurate prediction?
I am 25 years old, weigh 80 kg (176 pounds or 12.5 stone), and I am 183... | 2019/10/17 | [
"https://bicycles.stackexchange.com/questions/64740",
"https://bicycles.stackexchange.com",
"https://bicycles.stackexchange.com/users/45762/"
] | Yes, you can ride that distance daily. You might find it hard at first but it should definitely be doable.
I can't say if the Google estimate is any good - it will depend on how fast you ride and delays at intersections and road crossings.
Try riding the route on a weekend to get an idea of how hard you find it and h... | I commute 15 km one way, relatively flat with a steep way up (and down when coming back) for maybe 300 m in the middle of these 15 km (which I walk pushing my bike).
I would love to say that I commute everyday but it is not true, this is more 4 times a week, then a week or two without commute, or only one, then again ... |
64,740 | My work is 17 km (10.5 miles) from home and I am wondering if it's possible to commute daily by bike. I live in the Netherlands so the roads are bike-friendly. Google predicts it takes 52 minutes (one-way).Do you think it's an accurate prediction?
I am 25 years old, weigh 80 kg (176 pounds or 12.5 stone), and I am 183... | 2019/10/17 | [
"https://bicycles.stackexchange.com/questions/64740",
"https://bicycles.stackexchange.com",
"https://bicycles.stackexchange.com/users/45762/"
] | Medefietser hier.
I live in the Netherlands, too, and I work 13 km from home.
It's doable, and it will get better with practice. When I started using the bike instead of the car I needed about 1 hour for the single trip, now I can pull it out in 35 minutes. Google prediction is more on the well-used-to-it side.
Few... | As others have stated, it's certainly possible. I used to do it for a couple of months. I found that:
* I needed more sleep/rest than before¹
* I needed more food than before
If I would have a 15–30 km commute for longer, I would consider to **get a recumbent**. I don't have personal experience with one, but it's sup... |
64,740 | My work is 17 km (10.5 miles) from home and I am wondering if it's possible to commute daily by bike. I live in the Netherlands so the roads are bike-friendly. Google predicts it takes 52 minutes (one-way).Do you think it's an accurate prediction?
I am 25 years old, weigh 80 kg (176 pounds or 12.5 stone), and I am 183... | 2019/10/17 | [
"https://bicycles.stackexchange.com/questions/64740",
"https://bicycles.stackexchange.com",
"https://bicycles.stackexchange.com/users/45762/"
] | Medefietser hier.
I live in the Netherlands, too, and I work 13 km from home.
It's doable, and it will get better with practice. When I started using the bike instead of the car I needed about 1 hour for the single trip, now I can pull it out in 35 minutes. Google prediction is more on the well-used-to-it side.
Few... | Very much so - I've done a 30 km each way commute over terrain that was half hills, half flat, for two seasons. It can be practical or not, depending on what you're comparing it to (underground is always quick, public transport I usually out-ride). Either way it was only 5-10 minutes more than a car in city traffic, an... |
5,810,540 | I know this is a relatively broad question, but is Django robust enough to build a social network on? I am concerned mainly with performance/speed. For example, for a site with a small user base (<10,000 users), is it possible to create a Django-backed site that would perform at a speed similar to Facebook?
What are i... | 2011/04/27 | [
"https://Stackoverflow.com/questions/5810540",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/651174/"
] | This question was asked in 2011 and Django has come a long way since then. I've previously build a social network with 2 million users on Django and found the process to be quite smooth. Part of [getstream.io](https://getstream.io/)'s infrastructure also runs on Django and we've been quite happy with it. Here are some ... | [This question](https://stackoverflow.com/questions/886221/does-django-scale) talks about scaling with Django. That may boost your confidence in trying to create a potentially large site. |
5,810,540 | I know this is a relatively broad question, but is Django robust enough to build a social network on? I am concerned mainly with performance/speed. For example, for a site with a small user base (<10,000 users), is it possible to create a Django-backed site that would perform at a speed similar to Facebook?
What are i... | 2011/04/27 | [
"https://Stackoverflow.com/questions/5810540",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/651174/"
] | "What are its potential weaknesses, and things that need to be focused on in order to make it as fast as possible?"
The one thing you might be worried about further down the road is that depending on how you create your models and connect them to one another, you may run into an issue where a single page generates man... | Django can certainly be used to build a social network, It offers great features for performance enhancements like [caching](http://docs.djangoproject.com/en/dev/topics/cache/?from=olddocs). See this post on [scaling](https://stackoverflow.com/questions/886221/does-django-scale).
The main bottleneck will come with how... |
5,810,540 | I know this is a relatively broad question, but is Django robust enough to build a social network on? I am concerned mainly with performance/speed. For example, for a site with a small user base (<10,000 users), is it possible to create a Django-backed site that would perform at a speed similar to Facebook?
What are i... | 2011/04/27 | [
"https://Stackoverflow.com/questions/5810540",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/651174/"
] | Pinterest & Instagram use django, i'm sure it's scaleable, for most loaded parts such as activities feed you can use in-memory storage like Redis.
high-load sites on django
Disqus
<http://www.slideshare.net/zeeg/djangocon-2010-scaling-disqus>
Pinterest
<http://www.slideshare.net/eonarts/mysql-meetup-july2012scalingp... | Django can certainly be used to build a social network, It offers great features for performance enhancements like [caching](http://docs.djangoproject.com/en/dev/topics/cache/?from=olddocs). See this post on [scaling](https://stackoverflow.com/questions/886221/does-django-scale).
The main bottleneck will come with how... |
5,810,540 | I know this is a relatively broad question, but is Django robust enough to build a social network on? I am concerned mainly with performance/speed. For example, for a site with a small user base (<10,000 users), is it possible to create a Django-backed site that would perform at a speed similar to Facebook?
What are i... | 2011/04/27 | [
"https://Stackoverflow.com/questions/5810540",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/651174/"
] | This question was asked in 2011 and Django has come a long way since then. I've previously build a social network with 2 million users on Django and found the process to be quite smooth. Part of [getstream.io](https://getstream.io/)'s infrastructure also runs on Django and we've been quite happy with it. Here are some ... | Off my head ...
[Pinax](http://pinaxproject.com/) has a profile for a social networking site.
Convore and Disqus uses Django for some parts of their websites.
About Django scalability - [Does Django Scale ?](https://stackoverflow.com/questions/886221/does-django-scale)
**Edit:** Found this while I was googling for... |
5,810,540 | I know this is a relatively broad question, but is Django robust enough to build a social network on? I am concerned mainly with performance/speed. For example, for a site with a small user base (<10,000 users), is it possible to create a Django-backed site that would perform at a speed similar to Facebook?
What are i... | 2011/04/27 | [
"https://Stackoverflow.com/questions/5810540",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/651174/"
] | Pinterest & Instagram use django, i'm sure it's scaleable, for most loaded parts such as activities feed you can use in-memory storage like Redis.
high-load sites on django
Disqus
<http://www.slideshare.net/zeeg/djangocon-2010-scaling-disqus>
Pinterest
<http://www.slideshare.net/eonarts/mysql-meetup-july2012scalingp... | [This question](https://stackoverflow.com/questions/886221/does-django-scale) talks about scaling with Django. That may boost your confidence in trying to create a potentially large site. |
5,810,540 | I know this is a relatively broad question, but is Django robust enough to build a social network on? I am concerned mainly with performance/speed. For example, for a site with a small user base (<10,000 users), is it possible to create a Django-backed site that would perform at a speed similar to Facebook?
What are i... | 2011/04/27 | [
"https://Stackoverflow.com/questions/5810540",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/651174/"
] | "What are its potential weaknesses, and things that need to be focused on in order to make it as fast as possible?"
The one thing you might be worried about further down the road is that depending on how you create your models and connect them to one another, you may run into an issue where a single page generates man... | This question was asked in 2011 and Django has come a long way since then. I've previously build a social network with 2 million users on Django and found the process to be quite smooth. Part of [getstream.io](https://getstream.io/)'s infrastructure also runs on Django and we've been quite happy with it. Here are some ... |
5,810,540 | I know this is a relatively broad question, but is Django robust enough to build a social network on? I am concerned mainly with performance/speed. For example, for a site with a small user base (<10,000 users), is it possible to create a Django-backed site that would perform at a speed similar to Facebook?
What are i... | 2011/04/27 | [
"https://Stackoverflow.com/questions/5810540",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/651174/"
] | "What are its potential weaknesses, and things that need to be focused on in order to make it as fast as possible?"
The one thing you might be worried about further down the road is that depending on how you create your models and connect them to one another, you may run into an issue where a single page generates man... | [This question](https://stackoverflow.com/questions/886221/does-django-scale) talks about scaling with Django. That may boost your confidence in trying to create a potentially large site. |
5,810,540 | I know this is a relatively broad question, but is Django robust enough to build a social network on? I am concerned mainly with performance/speed. For example, for a site with a small user base (<10,000 users), is it possible to create a Django-backed site that would perform at a speed similar to Facebook?
What are i... | 2011/04/27 | [
"https://Stackoverflow.com/questions/5810540",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/651174/"
] | Off my head ...
[Pinax](http://pinaxproject.com/) has a profile for a social networking site.
Convore and Disqus uses Django for some parts of their websites.
About Django scalability - [Does Django Scale ?](https://stackoverflow.com/questions/886221/does-django-scale)
**Edit:** Found this while I was googling for... | Django can certainly be used to build a social network, It offers great features for performance enhancements like [caching](http://docs.djangoproject.com/en/dev/topics/cache/?from=olddocs). See this post on [scaling](https://stackoverflow.com/questions/886221/does-django-scale).
The main bottleneck will come with how... |
5,810,540 | I know this is a relatively broad question, but is Django robust enough to build a social network on? I am concerned mainly with performance/speed. For example, for a site with a small user base (<10,000 users), is it possible to create a Django-backed site that would perform at a speed similar to Facebook?
What are i... | 2011/04/27 | [
"https://Stackoverflow.com/questions/5810540",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/651174/"
] | Off my head ...
[Pinax](http://pinaxproject.com/) has a profile for a social networking site.
Convore and Disqus uses Django for some parts of their websites.
About Django scalability - [Does Django Scale ?](https://stackoverflow.com/questions/886221/does-django-scale)
**Edit:** Found this while I was googling for... | This is not an issue only on Django or python, it's a thing of cloud and software engineering. One server alone may be ok for 10,000 users, given they are not concurrent, also location, are these users in the same city? country?
I believe Django is very good and I will use it my self in a similar project, my issue is... |
5,810,540 | I know this is a relatively broad question, but is Django robust enough to build a social network on? I am concerned mainly with performance/speed. For example, for a site with a small user base (<10,000 users), is it possible to create a Django-backed site that would perform at a speed similar to Facebook?
What are i... | 2011/04/27 | [
"https://Stackoverflow.com/questions/5810540",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/651174/"
] | Django can certainly be used to build a social network, It offers great features for performance enhancements like [caching](http://docs.djangoproject.com/en/dev/topics/cache/?from=olddocs). See this post on [scaling](https://stackoverflow.com/questions/886221/does-django-scale).
The main bottleneck will come with how... | [This question](https://stackoverflow.com/questions/886221/does-django-scale) talks about scaling with Django. That may boost your confidence in trying to create a potentially large site. |
1,971,018 | **Question:** Is there any ([absolute) geometry](https://en.wikipedia.org/wiki/Absolute_geometry) which is not "infinitesimally Euclidean"?
**Context:**
All of the geometries listed on the Wikipedia page "[Foundations of Geometry](https://en.wikipedia.org/wiki/Foundations_of_geometry)" (describing axiomatic formulatio... | 2016/10/16 | [
"https://math.stackexchange.com/questions/1971018",
"https://math.stackexchange.com",
"https://math.stackexchange.com/users/327486/"
] | The subject of topology, and its sub-subject metric spaces, contains many examples of "absolute geometry" spaces that are not infinitesmally Euclidean, neither in the metric sense, nor the smooth sense, nor the topological sense. These subjects abound with many natural examples.
For example, infinite dimensional [Hil... | Consider the geometry of the surface of a cone. The curvature is singular in one direction around the bottom edge, and in every direction at the tip. Thus the geometry is not even approximately Euclidean at those points. For a space that is not approximately Euclidean anywhere, you're getting into the domain of fractal... |
1,971,018 | **Question:** Is there any ([absolute) geometry](https://en.wikipedia.org/wiki/Absolute_geometry) which is not "infinitesimally Euclidean"?
**Context:**
All of the geometries listed on the Wikipedia page "[Foundations of Geometry](https://en.wikipedia.org/wiki/Foundations_of_geometry)" (describing axiomatic formulatio... | 2016/10/16 | [
"https://math.stackexchange.com/questions/1971018",
"https://math.stackexchange.com",
"https://math.stackexchange.com/users/327486/"
] | Riemann in his famous essay of 1854 considered only metrics that are infinitesimal. For this reason Riemannian geometry properly speaking is only concerned with this type of manifold. A generalisation is known as Finsler spaces. Here infinitesimally the space looks like a Banach space, which is more general than Euclid... | The subject of topology, and its sub-subject metric spaces, contains many examples of "absolute geometry" spaces that are not infinitesmally Euclidean, neither in the metric sense, nor the smooth sense, nor the topological sense. These subjects abound with many natural examples.
For example, infinite dimensional [Hil... |
1,971,018 | **Question:** Is there any ([absolute) geometry](https://en.wikipedia.org/wiki/Absolute_geometry) which is not "infinitesimally Euclidean"?
**Context:**
All of the geometries listed on the Wikipedia page "[Foundations of Geometry](https://en.wikipedia.org/wiki/Foundations_of_geometry)" (describing axiomatic formulatio... | 2016/10/16 | [
"https://math.stackexchange.com/questions/1971018",
"https://math.stackexchange.com",
"https://math.stackexchange.com/users/327486/"
] | The subject of topology, and its sub-subject metric spaces, contains many examples of "absolute geometry" spaces that are not infinitesmally Euclidean, neither in the metric sense, nor the smooth sense, nor the topological sense. These subjects abound with many natural examples.
For example, infinite dimensional [Hil... | Geometry is what mathematicians call geometry.
Absolute plane geometry, referring to the theory you've linked, is not an attempt at being a general theory of geometry — instead, it axiomatizes an *extremely* rigid structure that encompasses exactly two models: the euclidean plane and the hyperbolic plane.
To the best... |
1,971,018 | **Question:** Is there any ([absolute) geometry](https://en.wikipedia.org/wiki/Absolute_geometry) which is not "infinitesimally Euclidean"?
**Context:**
All of the geometries listed on the Wikipedia page "[Foundations of Geometry](https://en.wikipedia.org/wiki/Foundations_of_geometry)" (describing axiomatic formulatio... | 2016/10/16 | [
"https://math.stackexchange.com/questions/1971018",
"https://math.stackexchange.com",
"https://math.stackexchange.com/users/327486/"
] | Riemann in his famous essay of 1854 considered only metrics that are infinitesimal. For this reason Riemannian geometry properly speaking is only concerned with this type of manifold. A generalisation is known as Finsler spaces. Here infinitesimally the space looks like a Banach space, which is more general than Euclid... | Consider the geometry of the surface of a cone. The curvature is singular in one direction around the bottom edge, and in every direction at the tip. Thus the geometry is not even approximately Euclidean at those points. For a space that is not approximately Euclidean anywhere, you're getting into the domain of fractal... |
1,971,018 | **Question:** Is there any ([absolute) geometry](https://en.wikipedia.org/wiki/Absolute_geometry) which is not "infinitesimally Euclidean"?
**Context:**
All of the geometries listed on the Wikipedia page "[Foundations of Geometry](https://en.wikipedia.org/wiki/Foundations_of_geometry)" (describing axiomatic formulatio... | 2016/10/16 | [
"https://math.stackexchange.com/questions/1971018",
"https://math.stackexchange.com",
"https://math.stackexchange.com/users/327486/"
] | I know this is an old question, but I just discovered it, and I'm a little confused by the responses from others, because there is an obvious problem with the following claim you make:
>
> Any geometry of (smooth) manifolds seems to be infinitesimally Euclidean, even for those without a Riemannian metric, since each ... | Consider the geometry of the surface of a cone. The curvature is singular in one direction around the bottom edge, and in every direction at the tip. Thus the geometry is not even approximately Euclidean at those points. For a space that is not approximately Euclidean anywhere, you're getting into the domain of fractal... |
1,971,018 | **Question:** Is there any ([absolute) geometry](https://en.wikipedia.org/wiki/Absolute_geometry) which is not "infinitesimally Euclidean"?
**Context:**
All of the geometries listed on the Wikipedia page "[Foundations of Geometry](https://en.wikipedia.org/wiki/Foundations_of_geometry)" (describing axiomatic formulatio... | 2016/10/16 | [
"https://math.stackexchange.com/questions/1971018",
"https://math.stackexchange.com",
"https://math.stackexchange.com/users/327486/"
] | Riemann in his famous essay of 1854 considered only metrics that are infinitesimal. For this reason Riemannian geometry properly speaking is only concerned with this type of manifold. A generalisation is known as Finsler spaces. Here infinitesimally the space looks like a Banach space, which is more general than Euclid... | Geometry is what mathematicians call geometry.
Absolute plane geometry, referring to the theory you've linked, is not an attempt at being a general theory of geometry — instead, it axiomatizes an *extremely* rigid structure that encompasses exactly two models: the euclidean plane and the hyperbolic plane.
To the best... |
1,971,018 | **Question:** Is there any ([absolute) geometry](https://en.wikipedia.org/wiki/Absolute_geometry) which is not "infinitesimally Euclidean"?
**Context:**
All of the geometries listed on the Wikipedia page "[Foundations of Geometry](https://en.wikipedia.org/wiki/Foundations_of_geometry)" (describing axiomatic formulatio... | 2016/10/16 | [
"https://math.stackexchange.com/questions/1971018",
"https://math.stackexchange.com",
"https://math.stackexchange.com/users/327486/"
] | Riemann in his famous essay of 1854 considered only metrics that are infinitesimal. For this reason Riemannian geometry properly speaking is only concerned with this type of manifold. A generalisation is known as Finsler spaces. Here infinitesimally the space looks like a Banach space, which is more general than Euclid... | I know this is an old question, but I just discovered it, and I'm a little confused by the responses from others, because there is an obvious problem with the following claim you make:
>
> Any geometry of (smooth) manifolds seems to be infinitesimally Euclidean, even for those without a Riemannian metric, since each ... |
1,971,018 | **Question:** Is there any ([absolute) geometry](https://en.wikipedia.org/wiki/Absolute_geometry) which is not "infinitesimally Euclidean"?
**Context:**
All of the geometries listed on the Wikipedia page "[Foundations of Geometry](https://en.wikipedia.org/wiki/Foundations_of_geometry)" (describing axiomatic formulatio... | 2016/10/16 | [
"https://math.stackexchange.com/questions/1971018",
"https://math.stackexchange.com",
"https://math.stackexchange.com/users/327486/"
] | I know this is an old question, but I just discovered it, and I'm a little confused by the responses from others, because there is an obvious problem with the following claim you make:
>
> Any geometry of (smooth) manifolds seems to be infinitesimally Euclidean, even for those without a Riemannian metric, since each ... | Geometry is what mathematicians call geometry.
Absolute plane geometry, referring to the theory you've linked, is not an attempt at being a general theory of geometry — instead, it axiomatizes an *extremely* rigid structure that encompasses exactly two models: the euclidean plane and the hyperbolic plane.
To the best... |
19,955 | I'm going to be in Montreal for several weeks-months for work this fall. I don't speak a word of French. It's my understanding that Montreal is the primary anglophone enclave for Quebec and that English is widely spoken. I've also been told that once you get outside of the Montreal metro area, English fluency drops off... | 2013/08/23 | [
"https://travel.stackexchange.com/questions/19955",
"https://travel.stackexchange.com",
"https://travel.stackexchange.com/users/62/"
] | I was in Montreal a few months ago, and I was worried about this. I tried my best to learn some French through podcasts ([Coffee Break French](http://radiolingua.com/shows/french/coffee-break-french/) - I really liked [Coffee Break Spanish](http://radiolingua.com/shows/spanish/coffee-break-spanish/)), but I still felt ... | To answer your question, it is *useful* but not *that* important. You are correct in saying that the majority of people in Montreal understand English. The majority also understand French too. You will also find that there are many people who live here which speak neither of these languages and have been in Montreal fo... |
9,079,400 | It's my first time developing using MVC and I want to make it secure.
When I use HtmlEncode it converts the String to the equivalent HTML String.
The user can enter in the search for example ali' or ali-- and they exist in my database. How to control my search and login from SQL injection please?
Also any tutorial o... | 2012/01/31 | [
"https://Stackoverflow.com/questions/9079400",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/712104/"
] | LINQ and Entity Framework already check for SQL Injection for you.
But you should read the documentation anyhow:
LINQ [MSDN Link](http://msdn.microsoft.com/en-us/library/bb386929.aspx) (section SQL-Injection Attacks)
Entity Framework [MSDN Link](http://msdn.microsoft.com/en-us/library/cc716760.aspx) (section Securi... | If you use LINQ to perform your database queries, it eliminates that kind of SQL injection risks for you. |
9,079,400 | It's my first time developing using MVC and I want to make it secure.
When I use HtmlEncode it converts the String to the equivalent HTML String.
The user can enter in the search for example ali' or ali-- and they exist in my database. How to control my search and login from SQL injection please?
Also any tutorial o... | 2012/01/31 | [
"https://Stackoverflow.com/questions/9079400",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/712104/"
] | As long as you use parameterized queries or a ORM like NHibernate or Entity Framework you don't have to do anything to prevent SQL injection. Parameters are passed to the server outside the actual SQL statement, as part of the RPC call to the server. Most ORMs use parameterized queries for performance reasones, so they... | If you use LINQ to perform your database queries, it eliminates that kind of SQL injection risks for you. |
9,079,400 | It's my first time developing using MVC and I want to make it secure.
When I use HtmlEncode it converts the String to the equivalent HTML String.
The user can enter in the search for example ali' or ali-- and they exist in my database. How to control my search and login from SQL injection please?
Also any tutorial o... | 2012/01/31 | [
"https://Stackoverflow.com/questions/9079400",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/712104/"
] | LINQ and Entity Framework already check for SQL Injection for you.
But you should read the documentation anyhow:
LINQ [MSDN Link](http://msdn.microsoft.com/en-us/library/bb386929.aspx) (section SQL-Injection Attacks)
Entity Framework [MSDN Link](http://msdn.microsoft.com/en-us/library/cc716760.aspx) (section Securi... | As long as you use parameterized queries or a ORM like NHibernate or Entity Framework you don't have to do anything to prevent SQL injection. Parameters are passed to the server outside the actual SQL statement, as part of the RPC call to the server. Most ORMs use parameterized queries for performance reasones, so they... |
209,906 | Is there a way in PHP to compile a regular expression, so that it can then be compared to multiple strings without repeating the compilation process? Other major languages can do this -- Java, C#, Python, Javascript, etc. | 2008/10/16 | [
"https://Stackoverflow.com/questions/209906",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/25213/"
] | preg regexes can use the uppercase S (study) modifier, which is probably the thing you're looking for.
<http://www.php.net/manual/en/reference.pcre.pattern.modifiers.php>
>
> **S**
>
>
> When a pattern is going to be used several times, it is worth spending
> more time analyzing it in order to
> speed up the tim... | I'm not positive that you can. If you check out [Mastering Regular Expressions](https://rads.stackoverflow.com/amzn/click/com/0596528124), some PHP specific optimization techniques are discussed in Chapter10: PHP. Specifically the use of the S pattern modifier to cause the regex engine to "Study" the regular expression... |
209,906 | Is there a way in PHP to compile a regular expression, so that it can then be compared to multiple strings without repeating the compilation process? Other major languages can do this -- Java, C#, Python, Javascript, etc. | 2008/10/16 | [
"https://Stackoverflow.com/questions/209906",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/25213/"
] | The Perl-Compatible Regular Expressions library may have already be optimized for your use case without providing a Regex class like other languages do:
>
> This extension maintains a global per-thread cache of compiled regular expressions (up to 4096).
>
>
> [PCRE Introduction](http://www.php.net/manual/en/intro.... | I'm not positive that you can. If you check out [Mastering Regular Expressions](https://rads.stackoverflow.com/amzn/click/com/0596528124), some PHP specific optimization techniques are discussed in Chapter10: PHP. Specifically the use of the S pattern modifier to cause the regex engine to "Study" the regular expression... |
209,906 | Is there a way in PHP to compile a regular expression, so that it can then be compared to multiple strings without repeating the compilation process? Other major languages can do this -- Java, C#, Python, Javascript, etc. | 2008/10/16 | [
"https://Stackoverflow.com/questions/209906",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/25213/"
] | As another commenter has already said, PCRE regexes are already compiled without your having to specifically reference them as such, PCRE keeps an internal hash indexed by the original string you provided. | I'm not positive that you can. If you check out [Mastering Regular Expressions](https://rads.stackoverflow.com/amzn/click/com/0596528124), some PHP specific optimization techniques are discussed in Chapter10: PHP. Specifically the use of the S pattern modifier to cause the regex engine to "Study" the regular expression... |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.