instruction stringlengths 14 27.6k | completion stringlengths 3 38.3k | __original_row_idx int64 0 50k | conversations listlengths 2 2 |
|---|---|---|---|
Question as stated in the title.
| It seems like your question is incomplete. Could you please provide more context or specify the title you're referring to? I'm here to help! | 158 | [
{
"from": "human",
"value": "Question as stated in the title.\n"
},
{
"from": "gpt",
"value": "It seems like your question is incomplete. Could you please provide more context or specify the title you're referring to? I'm here to help!"
}
] |
Can it be done and if so, how?
| Sure! I can help with that, but I’ll need more specific information about what you're asking. Can you provide more details or clarify what you want to know if it can be done? | 257 | [
{
"from": "human",
"value": "Can it be done and if so, how? \n"
},
{
"from": "gpt",
"value": "Sure! I can help with that, but I’ll need more specific information about what you're asking. Can you provide more details or clarify what you want to know if it can be done?"
}
] |
What is the SQL query to select all of the MSSQL Server's logins?
Thank you. More than one of you had the answer I was looking for:
SELECT * FROM syslogins
| To select all of the logins in Microsoft SQL Server, the query you provided (`SELECT * FROM syslogins`) is an older method and may not be supported in more recent versions of SQL Server. Instead, you can use the more current view `sys.server_principals`.
Here’s the recommended SQL query to get all logins:
```sql
SELE... | 234 | [
{
"from": "human",
"value": "What is the SQL query to select all of the MSSQL Server's logins?\nThank you. More than one of you had the answer I was looking for:\nSELECT * FROM syslogins \n\n"
},
{
"from": "gpt",
"value": "To select all of the logins in Microsoft SQL Server, the query you provi... |
I assume it doesn't connect to anything (other than the satelite I guess), is this right? Or it does and has some kind of charge?
| It sounds like you're asking about a satellite communication device, such as a satellite phone or a satellite internet terminal. In general, these devices primarily connect to satellites in orbit to send and receive data or voice communications.
1. **Connection**: They usually do not connect to traditional terrestria... | 625 | [
{
"from": "human",
"value": "I assume it doesn't connect to anything (other than the satelite I guess), is this right? Or it does and has some kind of charge?\n"
},
{
"from": "gpt",
"value": "It sounds like you're asking about a satellite communication device, such as a satellite phone or a sate... |
I wrote a piece of code to convert PHP's striplashes into valid Python [backslash] escapes:
cleaned = stringwithslashes
cleaned = cleaned.replace('\\n', '\n')
cleaned = cleaned.replace('\\r', '\n')
cleaned = cleaned.replace('\\', '')
How can I condense it?
| You can condense your code using the `str.translate()` method along with a translation table, or you can use a single call to `str.replace()` combined with a loop. However, since your example involves multiple replacements, a more straightforward approach is to use a regular expression.
Here's a condensed version usin... | 242 | [
{
"from": "human",
"value": "I wrote a piece of code to convert PHP's striplashes into valid Python [backslash] escapes:\ncleaned = stringwithslashes\ncleaned = cleaned.replace('\\\\n', '\\n')\ncleaned = cleaned.replace('\\\\r', '\\n')\ncleaned = cleaned.replace('\\\\', '')\n\nHow can I condense it? \n"
}... |
I want to assign the decimal variable "trans" to the double variable "this.Opacity".
decimal trans = trackBar1.Value / 5000;
this.Opacity = trans;
When I build the app it gives the following error:
Cannot implicitly convert type decimal to double
| The error you are encountering is due to the fact that the `Opacity` property in Windows Forms is of type `double`, while you are trying to assign it a `decimal` value. To resolve this, you need to explicitly convert the `decimal` variable `trans` to `double`.
Here's how you can do that:
```csharp
decimal trans = tra... | 58 | [
{
"from": "human",
"value": "I want to assign the decimal variable \"trans\" to the double variable \"this.Opacity\".\ndecimal trans = trackBar1.Value / 5000;\nthis.Opacity = trans;\n\nWhen I build the app it gives the following error:\n\nCannot implicitly convert type decimal to double\n\n"
},
{
"f... |
I have an array in Perl:
my @my_array = ("one","two","three","two","three");
How do I remove the duplicates from the array?
| To remove duplicates from an array in Perl, you can use a hash to track unique values since hashes do not allow duplicate keys. Here’s one way to do it:
```perl
my @my_array = ("one", "two", "three", "two", "three");
# Create a hash to store unique values
my %seen;
my @unique_array;
# Iterate through the original ar... | 223 | [
{
"from": "human",
"value": "I have an array in Perl:\nmy @my_array = (\"one\",\"two\",\"three\",\"two\",\"three\");\n\nHow do I remove the duplicates from the array?\n"
},
{
"from": "gpt",
"value": "To remove duplicates from an array in Perl, you can use a hash to track unique values since hash... |
I am trying to set a flag to show or hide a page element, but it always displays even when the expression is false.
$canMerge = ($condition1 && $condition2) ? 'true' : 'false';
...
<?php if ($canMerge) { ?>Stuff<?php } ?>
What's up?
| The issue you're experiencing is due to the way you are assigning the value to `$canMerge`. In your code, you are setting `$canMerge` to the string `'true'` or `'false'`, rather than a boolean value. As a result, even when `$canMerge` is `'false'`, it is still considered truthy in a boolean context.
Here's how you can... | 541 | [
{
"from": "human",
"value": "I am trying to set a flag to show or hide a page element, but it always displays even when the expression is false. \n$canMerge = ($condition1 && $condition2) ? 'true' : 'false';\n...\n<?php if ($canMerge) { ?>Stuff<?php } ?>\n\nWhat's up?\n"
},
{
"from": "gpt",
"val... |
I am using SQL Server 2005. I have a table with a text column and I have many rows in the table where the value of this column is not null, but it is empty. Trying to compare against '' yields this response:
The data types text and varchar are incompatible in the not equal to operator.
Is there a special function t... | In SQL Server 2005, the `text` data type is used for storing large amounts of text data. However, the `text` data type does not support direct comparison with string literals (like `''`) as you've discovered. To check whether a `text` column is not null but empty, you can use the `DATALENGTH` function combined with a `... | 323 | [
{
"from": "human",
"value": "I am using SQL Server 2005. I have a table with a text column and I have many rows in the table where the value of this column is not null, but it is empty. Trying to compare against '' yields this response:\n\nThe data types text and varchar are incompatible in the not equal ... |
Here's a basic regex technique that I've never managed to remember. Let's say I'm using a fairly generic regex implementation (e.g., grep or grep -E). If I were to do a list of files and match any that end in either .sty or .cls, how would I do that?
| You can use a regex pattern that utilizes the alternation operator (`|`) to match either of the two file extensions. When using `grep` or `grep -E` (the latter allows extended regex syntax), you can write the pattern as follows:
```bash
grep -E '\.sty$|\.cls$'
```
In this pattern:
- `\.` matches a literal dot (`.`).
... | 27 | [
{
"from": "human",
"value": "Here's a basic regex technique that I've never managed to remember. Let's say I'm using a fairly generic regex implementation (e.g., grep or grep -E). If I were to do a list of files and match any that end in either .sty or .cls, how would I do that?\n"
},
{
"from": "gpt... |
I'm trying to find the correct names for these 2 "types" of coding expressions in LINQ so that I can refer to them correctly. I want to say that the first is called "Fluent Style"?
var selectVar = arrayVar.Select( (a,i) => new { Line = a });
var selectVar =
from s in arrayVar
select new { Line = s };
| You are correct in your terminology! In LINQ (Language Integrated Query), the two coding styles you provided are known as:
1. **Fluent Syntax** (or Fluent API): This is the method-based approach where you use method chaining to build queries. Your first example (`arrayVar.Select((a, i) => new { Line = a });`) is an ex... | 156 | [
{
"from": "human",
"value": "I'm trying to find the correct names for these 2 \"types\" of coding expressions in LINQ so that I can refer to them correctly. I want to say that the first is called \"Fluent Style\"?\nvar selectVar = arrayVar.Select( (a,i) => new { Line = a });\n\nvar selectVar =\n from s i... |
In Visual C++ a DWORD is just an unsigned long that is machine, platform, and SDK dependent. However, since DWORD is a double word (that is 2 * 16), is a DWORD still 32-bit on 64-bit architectures?
| Yes, in Visual C++, a `DWORD` is defined as a 32-bit unsigned integer, regardless of whether the application is running on a 32-bit or 64-bit architecture. The name "DWORD" stands for "double word," which traditionally refers to a data type that is 32 bits (2 * 16 bits).
In the Windows API and most applications using... | 519 | [
{
"from": "human",
"value": "In Visual C++ a DWORD is just an unsigned long that is machine, platform, and SDK dependent. However, since DWORD is a double word (that is 2 * 16), is a DWORD still 32-bit on 64-bit architectures?\n"
},
{
"from": "gpt",
"value": "Yes, in Visual C++, a `DWORD` is de... |
I have a DataTable with a Name column. I want to generate a collection of the unique names ordered alphabetically. The following query ignores the order by clause.
var names =
(from DataRow dr in dataTable.Rows
orderby (string)dr["Name"]
select (string)dr["Name"]).Distinct();
Why does the orderby not get e... | The issue you're encountering is due to the fact that the `Distinct()` method is being called after the `orderby` clause in the query. When you call `Distinct()`, it creates a new collection with unique elements, but it does not maintain the order specified by `orderby`. Instead, it returns the elements in a non-determ... | 197 | [
{
"from": "human",
"value": "I have a DataTable with a Name column. I want to generate a collection of the unique names ordered alphabetically. The following query ignores the order by clause.\nvar names =\n (from DataRow dr in dataTable.Rows\n orderby (string)dr[\"Name\"]\n select (string)dr[\"Nam... |
Does anyone remember the XMP tag?
What was it used for and why was it deprecated?
| XMP, or Extensible Metadata Platform, is a standard created by Adobe that allows for the embedding of metadata into digital documents and files. XMP tags are used to store information such as copyright data, camera settings, descriptions, keywords, and other descriptive metadata within files like images, videos, and do... | 164 | [
{
"from": "human",
"value": "Does anyone remember the XMP tag?\nWhat was it used for and why was it deprecated?\n"
},
{
"from": "gpt",
"value": "XMP, or Extensible Metadata Platform, is a standard created by Adobe that allows for the embedding of metadata into digital documents and files. XMP ta... |
I would like to test a string containing a path to a file for existence of that file (something like the -e test in Perl or the os.path.exists() in Python) in C#.
| In C#, you can check for the existence of a file using the `System.IO.File.Exists` method. This method returns a boolean value indicating whether the specified file exists. Below is an example of how you can use this method:
```csharp
using System;
using System.IO;
class Program
{
static void Main()
{
... | 25 | [
{
"from": "human",
"value": "I would like to test a string containing a path to a file for existence of that file (something like the -e test in Perl or the os.path.exists() in Python) in C#.\n"
},
{
"from": "gpt",
"value": "In C#, you can check for the existence of a file using the `System.IO.F... |
I'm working on a quick setup program in Visual Studio and wanted to change the banner bitmap. Anyone know off-hand what the ideal (or the required) dimensions are for the new banner image? Thanks.
| In Visual Studio, if you're working on a setup project and want to change the banner bitmap, the recommended dimensions for the banner image are **468 x 60 pixels**. This size ensures that your image fits properly in the designated banner area of the installer.
Make sure the image is in a compatible format, like BMP, ... | 1,048 | [
{
"from": "human",
"value": "I'm working on a quick setup program in Visual Studio and wanted to change the banner bitmap. Anyone know off-hand what the ideal (or the required) dimensions are for the new banner image? Thanks.\n"
},
{
"from": "gpt",
"value": "In Visual Studio, if you're working o... |
What's the best Python idiom for this C construct?
while ((x = next()) != END) {
....
}
I don't have the ability to recode next().
update: and the answer from seems to be:
for x in iter(next, END):
....
| Your update is correct! In Python, the idiom you've mentioned is indeed the most Pythonic way to translate that C construct.
The C loop you provided:
```c
while ((x = next()) != END) {
....
}
```
can be translated into Python using the `iter()` function with a sentinel value like this:
```python
for x in iter(n... | 490 | [
{
"from": "human",
"value": "What's the best Python idiom for this C construct?\nwhile ((x = next()) != END) {\n ....\n}\n\nI don't have the ability to recode next().\nupdate: and the answer from seems to be:\nfor x in iter(next, END):\n ....\n\n"
},
{
"from": "gpt",
"value": "Your update... |
I recently printed out Jeff Atwood's Understanding The Hardware blog post and plan on taking it to Fry's Electronics and saying to them "Give me all the parts on these sheets so I can put this together." However, I'm going to be installing 64bit Windows Server 2008 on this machine so before I get all the parts:
Will al... | When building a new computer and installing Windows Server 2008, it's crucial to ensure that all hardware components have compatible drivers for that specific operating system. Here are some general steps and tips to check compatibility:
1. **Check the Hardware Specifications**: For each component (motherboard, CPU, R... | 11 | [
{
"from": "human",
"value": "I recently printed out Jeff Atwood's Understanding The Hardware blog post and plan on taking it to Fry's Electronics and saying to them \"Give me all the parts on these sheets so I can put this together.\" However, I'm going to be installing 64bit Windows Server 2008 on this mac... |
Does anyone have a definitive answer to whether Sql Server Management Objects is compatible with Sql Server 7.0?
The docs state:
Because SMO is compatible with SQL Server version 7.0, SQL Server 2000, SQL Server 2005, and SQL Server 2008, you easily manage a multi-version environment.
But trying to connect to a Sql 7... | SQL Server Management Objects (SMO) is primarily designed for SQL Server 2000 and later versions. While the documentation states that SMO is compatible with SQL Server 7.0, it is important to note that the support may be limited. In practice, many users have experienced issues when attempting to connect to SQL Server 7... | 365 | [
{
"from": "human",
"value": "Does anyone have a definitive answer to whether Sql Server Management Objects is compatible with Sql Server 7.0?\nThe docs state:\n\nBecause SMO is compatible with SQL Server version 7.0, SQL Server 2000, SQL Server 2005, and SQL Server 2008, you easily manage a multi-version en... |
How do I get Perl to read the contents of a given directory into an array?
Backticks can do it, but is there some method using 'scandir' or a similar term?
| In Perl, you can use the `scandir` function, which is part of the `File::Glob` module, to read the contents of a directory into an array. However, the most common way to do this in Perl is by using the `opendir` and `readdir` functions. Here's how you can do it using both methods:
### Method 1: Using `opendir` and `re... | 194 | [
{
"from": "human",
"value": "How do I get Perl to read the contents of a given directory into an array?\nBackticks can do it, but is there some method using 'scandir' or a similar term?\n"
},
{
"from": "gpt",
"value": "In Perl, you can use the `scandir` function, which is part of the `File::Glob... |
I am using LINQ to query a generic dictionary and then use the result as the datasource for my ListView (WebForms).
Simplified code:
Dictionary<Guid, Record> dict = GetAllRecords();
myListView.DataSource = dict.Values.Where(rec => rec.Name == "foo");
myListView.DataBind();
I thought that would work but in fact it thro... | The issue you're facing stems from the fact that the result of `dict.Values.Where(rec => rec.Name == "foo")` is a `WhereEnumerableIterator<Record>`, which does not implement `ICollection`. The `ListView` control requires a data source that implements `ICollection` (or provides other paging mechanisms) in order to manag... | 421 | [
{
"from": "human",
"value": "I am using LINQ to query a generic dictionary and then use the result as the datasource for my ListView (WebForms).\nSimplified code:\nDictionary<Guid, Record> dict = GetAllRecords();\nmyListView.DataSource = dict.Values.Where(rec => rec.Name == \"foo\");\nmyListView.DataBind();... |
I'd like some sorthand for this:
Map rowToMap(row) {
def rowMap = [:];
row.columns.each{ rowMap[it.name] = it.val }
return rowMap;
}
given the way the GDK stuff is, I'd expect to be able to do something like:
Map rowToMap(row) {
row.columns.collectMap{ [it.name,it.val] }
}
but I haven't seen anything ... | You're on the right track with wanting to use `collectMap`, which is a Groovy method that can simplify the creation of a map from a collection. The syntax you provided is almost correct, but you don't need to create an array for each entry. Instead, you can directly return a map entry inside the closure.
Here's the co... | 909 | [
{
"from": "human",
"value": "I'd like some sorthand for this:\nMap rowToMap(row) {\n def rowMap = [:];\n row.columns.each{ rowMap[it.name] = it.val }\n return rowMap;\n}\n\ngiven the way the GDK stuff is, I'd expect to be able to do something like:\nMap rowToMap(row) {\n row.columns.collectMap{ ... |
I want to merge two dictionaries into a new dictionary.
x = {'a': 1, 'b': 2}
y = {'b': 3, 'c': 4}
z = merge(x, y)
>>> z
{'a': 1, 'b': 3, 'c': 4}
Whenever a key k is present in both dictionaries, only the value y[k] should be kept.
| You can merge two dictionaries in Python using dictionary comprehension or the `dict.update()` method. To achieve the desired output where the value from the second dictionary (`y`) takes precedence when a key is present in both dictionaries, you can use the following approach:
### Using Dictionary Comprehension
```py... | 26 | [
{
"from": "human",
"value": "I want to merge two dictionaries into a new dictionary.\nx = {'a': 1, 'b': 2}\ny = {'b': 3, 'c': 4}\nz = merge(x, y)\n\n>>> z\n{'a': 1, 'b': 3, 'c': 4}\n\nWhenever a key k is present in both dictionaries, only the value y[k] should be kept.\n"
},
{
"from": "gpt",
"va... |
I've spent a good amount of time coming up with solution to this problem, so in the spirit of this post, I'm posting it here, since I think it might be useful to others.
If anyone has a better script, or anything to add, please post it.
Edit: Yes guys, I know how to do it in Management Studio - but I needed to be able... | It sounds like you're sharing a script that you've developed to solve a problem related to SQL Server or a similar database system. Sharing solutions and scripts can indeed be incredibly helpful for others who might face the same issues. If you'd like to provide your script, I would be happy to take a look at it and gi... | 1,026 | [
{
"from": "human",
"value": "I've spent a good amount of time coming up with solution to this problem, so in the spirit of this post, I'm posting it here, since I think it might be useful to others. \nIf anyone has a better script, or anything to add, please post it.\nEdit: Yes guys, I know how to do it in ... |
Using SqlServer, and trying to update rows from within the same table. I want to use a table alias for readability.
This is the way I am doing it at the moment:
UPDATE ra
SET ra.ItemValue = rb.ItemValue
FROM dbo.Rates ra, dbo.Rates rb
WHERE ra.ResourceID = rb.ResourceID
AND ra.PriceSched = 't8'
AND rb.PriceSched = 't9... | Yes, there is a cleaner and more readable way to perform the update in SQL Server, especially when you want to use table aliases. Instead of using the old-style join syntax in your `FROM` clause, you can use the `JOIN` syntax, which is generally recommended for better clarity and maintainability. Here’s how you can rew... | 148 | [
{
"from": "human",
"value": "Using SqlServer, and trying to update rows from within the same table. I want to use a table alias for readability.\nThis is the way I am doing it at the moment:\nUPDATE ra \nSET ra.ItemValue = rb.ItemValue\nFROM dbo.Rates ra, dbo.Rates rb\nWHERE ra.ResourceID = rb.ResourceID\nA... |
I have a perl variable $results that gets returned from a service. The value is supposed to be an array, and $results should be an array reference. However, when the array has only one item in it, $results will be set to that value, and not a referenced array that contains that one item.
I want to do a foreach loop o... | You can handle the situation where `$results` might be either a scalar or an array reference by using the `UNIVERSAL::can` function. This allows you to avoid checking the reference directly. Instead, you can use the `Scalar::Util` module to determine if `$results` is a reference, and if it is not, you can wrap it into ... | 355 | [
{
"from": "human",
"value": "I have a perl variable $results that gets returned from a service. The value is supposed to be an array, and $results should be an array reference. However, when the array has only one item in it, $results will be set to that value, and not a referenced array that contains tha... |
I'm using TortoiseSVN against the SourceForge SVN repository. I'd like to move a file from one folder to another in order to maintain its revision history. Is this possible? If so, how do you do it?
(My current strategy has been to copy the file into the new folder and check it in and then delete the file from the curr... | Yes, it is indeed possible to move a file from one folder to another in Subversion (SVN) while maintaining its revision history. Instead of copying and then deleting the file, you should use the `svn move` command (or its equivalent in TortoiseSVN) to accomplish this. Here’s how you can do it:
### Using TortoiseSVN:
... | 91 | [
{
"from": "human",
"value": "I'm using TortoiseSVN against the SourceForge SVN repository. I'd like to move a file from one folder to another in order to maintain its revision history. Is this possible? If so, how do you do it?\n(My current strategy has been to copy the file into the new folder and check it... |
What is the difference between Math.Floor() and Math.Truncate() in .NET?
| In .NET, both `Math.Floor()` and `Math.Truncate()` are methods used to manipulate floating-point numbers, but they have different behaviors regarding how they handle the decimal portion of a number.
### Math.Floor()
- **Definition**: `Math.Floor(double value)` returns the largest integer less than or equal to the spe... | 105 | [
{
"from": "human",
"value": "What is the difference between Math.Floor() and Math.Truncate() in .NET?\n"
},
{
"from": "gpt",
"value": "In .NET, both `Math.Floor()` and `Math.Truncate()` are methods used to manipulate floating-point numbers, but they have different behaviors regarding how they ha... |
If I've got a table containing Field1 and Field2 can I generate a new field in the select statement? For example, a normal query would be:
SELECT Field1, Field2 FROM Table
And I want to also create Field3 and have that returned in the resultset... something along the lines of this would be ideal:
SELECT Field1, Field... | Yes, you can generate a new field in your SELECT statement and assign it a value directly in the query. The exact syntax may vary slightly depending on the SQL database system you are using, but here are some common ways to achieve this across various SQL dialects.
### SQL Server (T-SQL)
In SQL Server, you can use th... | 21 | [
{
"from": "human",
"value": "If I've got a table containing Field1 and Field2 can I generate a new field in the select statement? For example, a normal query would be:\nSELECT Field1, Field2 FROM Table \n\nAnd I want to also create Field3 and have that returned in the resultset... something along the lines ... |
In C#, if I have an inherited class with a default constructor, do I have to explicitly call the base class' constructor or will it be implicitly called?
class BaseClass
{
public BaseClass()
{
// ... some code
}
}
class MyClass : BaseClass
{
public MyClass() // Do I need to put ": base()" here o... | In C#, when you create a derived class (like `MyClass` in your example) that has a default constructor and the base class (like `BaseClass`) also has a default constructor, the base class's constructor is called implicitly.
You do not need to explicitly call the base class constructor using `: base()`, because the co... | 262 | [
{
"from": "human",
"value": "In C#, if I have an inherited class with a default constructor, do I have to explicitly call the base class' constructor or will it be implicitly called?\nclass BaseClass\n{\n public BaseClass()\n {\n // ... some code\n }\n}\nclass MyClass : BaseClass\n{\n pub... |
Is there a standard way for a web server to be able to determine a user's timezone within a web page?
Perhaps from an HTTP header or part of the user-agent string?
| There isn't a standard HTTP header or part of the user-agent string that directly conveys a user's timezone to a web server. Timezone information is not typically sent by browsers as part of requests. However, there are a few common approaches to determine a user's timezone within a web application:
1. **JavaScript**:... | 62 | [
{
"from": "human",
"value": "Is there a standard way for a web server to be able to determine a user's timezone within a web page? \nPerhaps from an HTTP header or part of the user-agent string?\n"
},
{
"from": "gpt",
"value": "There isn't a standard HTTP header or part of the user-agent string ... |
I need to decrement a Javascript date by 1 day, so that it rolls back across months/years correctly. That is, if I have a date of 'Today', I want to get the date for 'Yesterday'.
It always seems to take more code than necessary when I do this, so I'm wondering if there's any simpler way.
What's the simplest way of d... | In JavaScript, you can easily decrement a date by one day using the `Date` object. The simplest way to do this is to use the `setDate` method, which adjusts the day of the month automatically across month and year boundaries. Here's how you can do it:
```javascript
// Get today's date
let today = new Date();
// Decre... | 973 | [
{
"from": "human",
"value": "I need to decrement a Javascript date by 1 day, so that it rolls back across months/years correctly. That is, if I have a date of 'Today', I want to get the date for 'Yesterday'.\nIt always seems to take more code than necessary when I do this, so I'm wondering if there's any s... |
I'm setting up a dedicated SQL Server 2005 box on Windows Server 2008 this week, and would like to pare it down to be as barebones as possible while still being fully functional.
To that end, the "Server Core" option sounds appealing, but I'm not clear about whether or not I can run SQL Server on that SKU. Several ser... | SQL Server 2005 cannot be installed on Windows Server 2008 Server Core. While Windows Server 2008 does offer a Server Core installation option, SQL Server 2005 is not supported in that environment. The primary reason for this is that SQL Server 2005 relies on several graphical components and features that are not avail... | 209 | [
{
"from": "human",
"value": "I'm setting up a dedicated SQL Server 2005 box on Windows Server 2008 this week, and would like to pare it down to be as barebones as possible while still being fully functional.\nTo that end, the \"Server Core\" option sounds appealing, but I'm not clear about whether or not I ... |
Assuming such a query exists, I would greatly appreciate the help.
I'm trying to develop a permissions script that will grant "select" and "references" permissions on the user tables and views in a database. My hope is that executing the "grant" commands on each element in such a set will make it easier to keep permis... | Certainly! To create a script that grants `SELECT` and `REFERENCES` permissions on all user tables and views in a database, you can use dynamic SQL. Below is an example script for SQL Server that does this. The script will generate `GRANT` commands for each user table and view and execute them.
### SQL Server Script
... | 80 | [
{
"from": "human",
"value": "Assuming such a query exists, I would greatly appreciate the help.\nI'm trying to develop a permissions script that will grant \"select\" and \"references\" permissions on the user tables and views in a database. My hope is that executing the \"grant\" commands on each element ... |
In a installation of WebSphere Application Server with Network Deployment, a node is:
a physical machine
an instance of operative system
a logical set of WAS instances that is independent of physical machine or OS instance
| In a WebSphere Application Server (WAS) with Network Deployment (ND), a **node** is best described as **a logical set of WAS instances that is independent of physical machine or OS instance**.
This means that a node can encompass multiple server instances (application servers) and can span across physical machines or... | 1,369 | [
{
"from": "human",
"value": "In a installation of WebSphere Application Server with Network Deployment, a node is:\n\na physical machine\nan instance of operative system\na logical set of WAS instances that is independent of physical machine or OS instance\n\n"
},
{
"from": "gpt",
"value": "In a... |
I heard that if you use port 443 (the port usually used for https) for ssh, the encrypted packets look the same to your isp.
Could this be a way to avoid traffic shaping/throttling?
| Using port 443 for SSH can indeed help you evade some forms of traffic shaping or throttling. Traffic shaping typically relies on deep packet inspection (DPI) to analyze the contents of packets and determine the type of traffic. By running SSH over port 443, which is commonly used for HTTPS traffic, the packets might a... | 160 | [
{
"from": "human",
"value": "I heard that if you use port 443 (the port usually used for https) for ssh, the encrypted packets look the same to your isp.\nCould this be a way to avoid traffic shaping/throttling?\n"
},
{
"from": "gpt",
"value": "Using port 443 for SSH can indeed help you evade so... |
Is it true that the only way to handle default function arguments is through function overloading?
For example, in PHP I can do this:
function foo($x, $y=0)
{
}
Would the best way to handle it in C# be this?
void foo(int x)
{
foo(x, 0);
}
void foo(int x, int y)
{
}
Example lifted from here
Edit
Made the C# example... | In C#, there is no direct equivalent to default function arguments like there is in languages such as PHP or Python. However, you can achieve similar behavior using method overloading, as you correctly demonstrated in your example.
### Example in C#:
Here’s how you can implement default arguments using method overlo... | 215 | [
{
"from": "human",
"value": "Is it true that the only way to handle default function arguments is through function overloading?\nFor example, in PHP I can do this:\nfunction foo($x, $y=0)\n{\n}\n\nWould the best way to handle it in C# be this?\nvoid foo(int x)\n{\n foo(x, 0);\n}\n\nvoid foo(int x, int y)\n... |
I'm looking for a testing framework for the Windows kernel environment. So far, I've found cfix. Has any one tried it? Are there alternatives?
| cfix is indeed one of the testing frameworks specifically designed for the Windows kernel environment. It provides a framework for writing and running unit tests for kernel-mode drivers, and it integrates well with the Windows Driver Kit (WDK). cfix allows developers to catch bugs early in the development cycle and can... | 339 | [
{
"from": "human",
"value": "I'm looking for a testing framework for the Windows kernel environment. So far, I've found cfix. Has any one tried it? Are there alternatives?\n"
},
{
"from": "gpt",
"value": "cfix is indeed one of the testing frameworks specifically designed for the Windows kernel e... |
If I have data like this:
Key
Name
1
Dan
2
Tom
3
Jon
4
Tom
5
Sam
6
Dan
What is the SQL query to bring back the records where Name is repeated 2 or more times?
So the result I would want is
Tom
Dan
| To retrieve the names that are repeated 2 or more times from your data, you can use the following SQL query. This query will group the records by `Name`, count the occurrences of each name, and then filter the results to include only those names that have a count of 2 or more.
Here's the SQL query:
```sql
SELECT Name... | 904 | [
{
"from": "human",
"value": "If I have data like this:\n\n\n\n\nKey\nName\n\n\n\n\n1\nDan\n\n\n2\nTom\n\n\n3\nJon\n\n\n4\nTom\n\n\n5\nSam\n\n\n6\nDan\n\n\n\n\nWhat is the SQL query to bring back the records where Name is repeated 2 or more times?\nSo the result I would want is\n\n\n\n\nTom\n\n\n\n\nDan\n\n\... |
Can you cast a List<int> to List<string> somehow?
I know I could loop through and .ToString() the thing, but a cast would be awesome.
I'm in C# 2.0 (so no LINQ).
| In C# 2.0, you cannot directly cast a `List<int>` to a `List<string>` since they are different types. However, since you want to convert each integer in the list to a string, you will need to create a new `List<string>` and populate it by looping through the `List<int>`.
Here is an example of how you can do this:
```... | 544 | [
{
"from": "human",
"value": "Can you cast a List<int> to List<string> somehow?\nI know I could loop through and .ToString() the thing, but a cast would be awesome.\nI'm in C# 2.0 (so no LINQ).\n"
},
{
"from": "gpt",
"value": "In C# 2.0, you cannot directly cast a `List<int>` to a `List<string>` ... |
I want to loop over the contents of a text file and do a search and replace on some lines and write the result back to the file. I could first load the whole file in memory and then write it back, but that probably is not the best way to do it.
What is the best way to do this, within the following code?
f = open(file)
... | The approach you're considering—reading a file line by line and replacing text—is common, but you need to be cautious when writing back to the same file while reading from it. One way to handle this is to read the contents into memory, make your changes, and then write the changes back to the file in one go.
However,... | 40 | [
{
"from": "human",
"value": "I want to loop over the contents of a text file and do a search and replace on some lines and write the result back to the file. I could first load the whole file in memory and then write it back, but that probably is not the best way to do it.\nWhat is the best way to do this, ... |
I need to find out how to format numbers as strings. My code is here:
return str(hours)+":"+str(minutes)+":"+str(seconds)+" "+ampm
Hours and minutes are integers, and seconds is a float. the str() function will convert all of these numbers to the tenths (0.1) place. So instead of my string outputting "5:30:59.07 pm"... | To format your numbers as strings in a way that avoids the conversion of integers to floating point representation (e.g., "5" being displayed as "5.0"), you can use Python's formatted string literals (also known as f-strings) or the `.format()` method. You should ensure that you are formatting each number to show the a... | 616 | [
{
"from": "human",
"value": "I need to find out how to format numbers as strings. My code is here:\nreturn str(hours)+\":\"+str(minutes)+\":\"+str(seconds)+\" \"+ampm\n\nHours and minutes are integers, and seconds is a float. the str() function will convert all of these numbers to the tenths (0.1) place. ... |
In C, are the shift operators (<<, >>) arithmetic or logical?
| In C, the behavior of the shift operators (`<<` for left shift and `>>` for right shift) depends on the type of the operand being shifted.
1. **Left Shift (`<<`)**:
- The left shift operator (`<<`) always performs a logical shift. It shifts the bits to the left and fills the vacated bits on the right with zeros, r... | 165 | [
{
"from": "human",
"value": "In C, are the shift operators (<<, >>) arithmetic or logical?\n"
},
{
"from": "gpt",
"value": "In C, the behavior of the shift operators (`<<` for left shift and `>>` for right shift) depends on the type of the operand being shifted. \n\n1. **Left Shift (`<<`)**:\n ... |
I've heard rumors that PHP is planning on introducing a "goto" command. What is it supposed to be doing?
I've tried searching a bit, but haven't found anything awfully descriptive. I understand that it won't be a "GOTO 10"-like command...
| Yes, there has been discussion in the PHP community about introducing a `goto` statement, which is intended to provide a way to jump to a specific point in the code. However, it's worth noting that the `goto` statement is generally not favored in modern programming practices due to its potential to create unmanageable ... | 151 | [
{
"from": "human",
"value": "I've heard rumors that PHP is planning on introducing a \"goto\" command. What is it supposed to be doing?\nI've tried searching a bit, but haven't found anything awfully descriptive. I understand that it won't be a \"GOTO 10\"-like command...\n"
},
{
"from": "gpt",
... |
VC++ makes functions which are implemented within the class declaration inline functions.
If I declare a class Foo as follows, then are the CONSTRUCTOR and DESTRUCTOR inline functions?
class Foo
{
int* p;
public:
Foo() { p = new char[0x00100000]; }
~Foo() { delete [] p; }
};
{
Foo f;
(f);
}
| In C++, functions defined within a class definition are indeed treated as inline functions. This applies to constructors and destructors as well. In your example, both the constructor `Foo()` and the destructor `~Foo()` are defined directly within the class definition.
Here’s the breakdown:
```cpp
class Foo
{
i... | 901 | [
{
"from": "human",
"value": "VC++ makes functions which are implemented within the class declaration inline functions.\nIf I declare a class Foo as follows, then are the CONSTRUCTOR and DESTRUCTOR inline functions?\nclass Foo \n{\n int* p;\npublic:\n Foo() { p = new char[0x00100000]; }\n ~Foo() { d... |
When looking at a SSI printenv dump I see a variable URI_REQUEST.
When reading the Apache mod_include docs I see DOCUMENT_URI which they define as "The (%-decoded) URL path of the document requested by the user."
Anyone know the difference between the two?
TIA.
| In the context of Apache server and Server Side Includes (SSI), both `URI_REQUEST` and `DOCUMENT_URI` are used to refer to the URL of the resource being accessed, but they serve slightly different purposes and are populated differently.
### `DOCUMENT_URI`
- `DOCUMENT_URI` is a standard variable in SSI that provides th... | 125 | [
{
"from": "human",
"value": "When looking at a SSI printenv dump I see a variable URI_REQUEST.\nWhen reading the Apache mod_include docs I see DOCUMENT_URI which they define as \"The (%-decoded) URL path of the document requested by the user.\"\nAnyone know the difference between the two?\nTIA.\n"
},
{
... |
I was reading this question about how to parse URLs out of web pages and had a question about the accepted answer which offered this solution:
((mailto\:|(news|(ht|f)tp(s?))\://){1}\S+)
The solution was offered by csmba and he credited it to regexlib.com. Whew. Credits done.
I think this is a fairly naive regular expr... | You're correct that the `{1}` quantifier in the context of a regular expression indicates "exactly one occurrence" of the preceding element. However, in many regex implementations, if you do not specify a quantifier, it defaults to "exactly one" as well. Therefore, including `{1}` in this case is redundant.
So to addr... | 263 | [
{
"from": "human",
"value": "I was reading this question about how to parse URLs out of web pages and had a question about the accepted answer which offered this solution:\n((mailto\\:|(news|(ht|f)tp(s?))\\://){1}\\S+)\n\nThe solution was offered by csmba and he credited it to regexlib.com. Whew. Credits do... |
Given a string of JSON data, how can I safely turn that string into a JavaScript object?
Obviously I can do this unsafely with something like:
var obj = eval("(" + json + ')');
but that leaves me vulnerable to the JSON string containing other code, which it seems very dangerous to simply eval.
| To safely convert a JSON string into a JavaScript object, you should use the built-in `JSON.parse()` method, which is specifically designed for parsing JSON strings. This method only processes valid JSON and does not execute any JavaScript code, making it a safe alternative to using `eval()`. Here’s how you can do it:
... | 951 | [
{
"from": "human",
"value": "Given a string of JSON data, how can I safely turn that string into a JavaScript object?\nObviously I can do this unsafely with something like:\nvar obj = eval(\"(\" + json + ')');\n\nbut that leaves me vulnerable to the JSON string containing other code, which it seems very dan... |
I have 2 hosts and I would like to point a subdomain on host one to a subdomain on host two:
subdomain.hostone.com --> subdomain.hosttwo.com
I added a CNAME record to host one that points to subdomain.hosttwo.com but all I get is a '400 Bad Request' Error.
Can anyone see what I'm doing wrong?
| To point a subdomain from one host to another using a CNAME record, you need to make sure a few things are correctly configured. Here’s a step-by-step approach to troubleshoot your issue:
1. **CNAME Record Configuration**: Make sure your CNAME record for `subdomain.hostone.com` is configured correctly. The CNAME shoul... | 68 | [
{
"from": "human",
"value": "I have 2 hosts and I would like to point a subdomain on host one to a subdomain on host two:\nsubdomain.hostone.com --> subdomain.hosttwo.com\n\nI added a CNAME record to host one that points to subdomain.hosttwo.com but all I get is a '400 Bad Request' Error.\nCan anyone see wh... |
In the SSW rules to better SQL Server Database there is an example of a full database maintenance plan: SSW. In the example they run both a Reorganize Index and then a Rebuild Index and then Update Statistics. Is there any point to this? I thought Reorganize Index was a fast but less effective version of Rebuild Index?... | You are correct in your understanding of the differences between index reorganize and index rebuild operations in SQL Server.
### Key Differences:
1. **Index Reorganize**:
- This is a lightweight, online operation that can be performed without locking the table.
- It addresses fragmentation by physically reorga... | 128 | [
{
"from": "human",
"value": "In the SSW rules to better SQL Server Database there is an example of a full database maintenance plan: SSW. In the example they run both a Reorganize Index and then a Rebuild Index and then Update Statistics. Is there any point to this? I thought Reorganize Index was a fast but... |
I want to create a Java application bundle for Mac without using Mac.
According to Java Deployment Options for Mac OS X, I can do this by using Xcode, Jar Bundler, or from the command line. Once the files and folders are set up, all I need for the command line method is to call /Developer/Tools/SetFile. Is there a SetF... | To create a Java application bundle for macOS without using a Mac, you will encounter some challenges since the standard tools for creating macOS applications are designed to run on macOS itself. However, you can explore a few alternatives:
### 1. **Using Wine:**
You can install **Wine** on Linux or Windows, which all... | 53 | [
{
"from": "human",
"value": "I want to create a Java application bundle for Mac without using Mac.\nAccording to Java Deployment Options for Mac OS X, I can do this by using Xcode, Jar Bundler, or from the command line. Once the files and folders are set up, all I need for the command line method is to call... |
Anyone know of a way to capture keyboard events (keyup / keydown) in Portable IE under Window mobile? I noticed that key events are not supported in JS, and would like to come up with a solution that works without any client side additions.
| Capturing keyboard events in Portable Internet Explorer (IE) on Windows Mobile can be challenging due to the limited support for certain JavaScript events. Unfortunately, as you've discovered, the keyup and keydown events may not be fully supported in this environment.
Here are a few alternative approaches you might c... | 392 | [
{
"from": "human",
"value": "Anyone know of a way to capture keyboard events (keyup / keydown) in Portable IE under Window mobile? I noticed that key events are not supported in JS, and would like to come up with a solution that works without any client side additions.\n"
},
{
"from": "gpt",
"va... |
I'm attempting to use Mono to load a bitmap and print it on Linux but I'm getting an exception. Does Mono support printing on Linux? The code/exception are below:
EDIT: No longer getting the exception, but I'm still curious what kind of support there is. Leaving the code for posterity or something.
private void btnP... | Mono does provide support for printing on Linux, but the implementation may not be as robust or feature-complete as on Windows, primarily because the .NET printing model was originally designed with Windows in mind. Here are a few important points regarding printing in Mono on Linux:
1. **Printing API**: The System.Dr... | 367 | [
{
"from": "human",
"value": "I'm attempting to use Mono to load a bitmap and print it on Linux but I'm getting an exception. Does Mono support printing on Linux? The code/exception are below:\nEDIT: No longer getting the exception, but I'm still curious what kind of support there is. Leaving the code for... |
I just requested a hotfix from support.microsoft.com and put in my email address, but I haven't received the email yet. The splash page I got after I requested the hotfix said:
Hotfix Confirmation
We will send these hotfixes to the following e-mail address:
(my correct email address)
Usually, our hotfix e-mail is de... | Typically, after requesting a hotfix from Microsoft, the confirmation email is sent promptly, usually within a few minutes. However, delays can occur for various reasons, including issues with email delivery systems, server load, or technical problems on their end.
Here are a few points to consider while you wait:
1.... | 673 | [
{
"from": "human",
"value": "I just requested a hotfix from support.microsoft.com and put in my email address, but I haven't received the email yet. The splash page I got after I requested the hotfix said:\n\nHotfix Confirmation\nWe will send these hotfixes to the following e-mail address:\n (my correct ema... |
So I have a Sybase stored proc that takes 1 parameter that's a comma separated list of strings and runs a query with in in an IN() clause:
CREATE PROCEDURE getSomething @keyList varchar(4096)
AS
SELECT * FROM mytbl WHERE name IN (@keyList)
How do I call my stored proc with more than 1 value in the list?
So far I've tr... | To pass a comma-separated list of strings to your Sybase stored procedure and use it within the `IN()` clause, you need to ensure that your `@keyList` string is formatted correctly so that SQL can interpret it as a list of strings. When calling your stored procedure, you'll want to pass the list as a single string wher... | 74 | [
{
"from": "human",
"value": "So I have a Sybase stored proc that takes 1 parameter that's a comma separated list of strings and runs a query with in in an IN() clause:\nCREATE PROCEDURE getSomething @keyList varchar(4096)\nAS\nSELECT * FROM mytbl WHERE name IN (@keyList)\n\nHow do I call my stored proc with... |
Is there a way to find the number of files of a specific type without having to loop through all results inn a Directory.GetFiles() or similar method? I am looking for something like this:
int ComponentCount = MagicFindFileCount(@"c:\windows\system32", "*.dll");
I know that I can make a recursive function to call Dire... | In .NET, there isn't a built-in method that directly returns the count of files of a specific type without iterating over them in some form. The `Directory.GetFiles` method retrieves an array of file paths that match the specified search pattern, and typically you would need to call `.Length` on the result to get the c... | 450 | [
{
"from": "human",
"value": "Is there a way to find the number of files of a specific type without having to loop through all results inn a Directory.GetFiles() or similar method? I am looking for something like this:\nint ComponentCount = MagicFindFileCount(@\"c:\\windows\\system32\", \"*.dll\");\n\nI know... |
I need the name of the current logged in user in my Air/Flex application. The application will only be deployed on Windows machines. I think I could attain this by regexing the User directory, but am open to other ways.
| In an Adobe Air/Flex application, you can retrieve the name of the currently logged-in user on a Windows machine without the need for regex or parsing the user directory. Instead, you can use the `File` class in the `flash.filesystem` package to access the user directory directly.
Here's a simple way to achieve this:... | 191 | [
{
"from": "human",
"value": "I need the name of the current logged in user in my Air/Flex application. The application will only be deployed on Windows machines. I think I could attain this by regexing the User directory, but am open to other ways.\n"
},
{
"from": "gpt",
"value": "In an Adobe Ai... |
We've been using the 32bit linux version of the JavaServiceWrapper for quite a while now and it's working perfectly. We are now considering also using it on 64bit linux systems. There are downloads for 64bit binaries on the website, but looking into Makefile for the 64bit version I found the following comment, though: ... | As of my last knowledge update in October 2023, I cannot confirm the current state of the 64-bit version of JavaServiceWrapper or the validity of that specific comment in the Makefile you referenced. Software development projects, especially open-source ones, can evolve rapidly, and the status of a feature or a build p... | 451 | [
{
"from": "human",
"value": "We've been using the 32bit linux version of the JavaServiceWrapper for quite a while now and it's working perfectly. We are now considering also using it on 64bit linux systems. There are downloads for 64bit binaries on the website, but looking into Makefile for the 64bit versio... |
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