instruction stringlengths 34 19.9k |
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According to this Wikipedia article, Microsoft, Apple, Mozilla, and others criticize Dart, a programming language Google introduced to work in web browsers, because they feel "it seems harmful (cf. VBScript in IE)".
But Dart also compiles to Javascript, so a web application written in Dart can run on any modern browse... |
At home, I have a server that is running some software (on a LAMP stack, but only accessible internally). I have another machine and a laptop that I both use for developing said software. What is the best workflow for me?
Should I have a repository on my local server, create a live branch, staging branch and developmen... |
GLSL is fundamentally different from other shader solutions because the server (GPU driver) is responsible for shader compilation. Cg and HLSL are (afaik) generally compiled a priori and sent to the GPU in that way.
This causes some real-world practical issues:
many drivers provide buggy compilers
compilers differ in ... |
I would like to know if it is a good practice to generalize variables (use single variable to store all the values).
Consider simple example
Strings querycre,queryins,queryup,querydel;
querycre = 'Create table XYZ ...';
execute querycre ;
queryins = 'Insert into XYZ ...';
execute queryins ;
queryu... |
The .NET MicroFramework claims to work on 64K RAM and has list of compatible targets vendors. At the same time, same vendors who ship hardware and create Board Support Packages (vendors like Adeneo) keep releasing something named Windows 7 CE BSP for the same hardware targets. Obviously the OS as heavy as WinCE needs m... |
With Ruby on Rails I've usually used Forgery for generating dummy data for testing.
I've noticed recently that several clients and tutorials are using Faker
They both seem fairly similar in use and popularity:
Faker 128 forks, 418 watchers.
Forgery 59 forks, 399 watchers.
They both seem similar in how current they ar... |
I was recently working on a JS slideshow which rotates images using a weighted average algorithm. Thankfully, timgilbert has written a weighted list script which implements the exact algorithm I needed. However in his documentation he's noted under todos: "unit tests!".
I'd like to know is how one goes about unit test... |
I am in the very beginning of developing an app / desktop program. I want it to be cross-platform and possibly also as a tablet version (preferably Android Icecream sandwich).
Note that I need to run it offline.
I thought about the following approaches:
ADOBE Air, since I do not need much performance. Plus I did some... |
I really have never understood it at all. I can do it, but I just don't get why I would want to.
For instance, I was programming a game yesterday, and I set up an array of pointers for dynamically allocated enemies in the game, then passed it to a function which updates their positions.
When I ran the game, I got one o... |
Note: If you don't understand this question then feel free to ask clarification in the comments instead of voting down, it might be that this question needs some more work at the moment. I've been directed here from the Stack Excange chat room Root Access because my question didn't fit on Super User.
In many aspects p... |
edit: I am thinking that dependency injection is the best approach.
I am struggling to wrap my head around being able to share an object between two classes. I want to be able to create only one instance of the object, commonlib in my main class and then have the classes, foo1 and foo2, to be able to mutually share t... |
I've come up with 4 different ways to fit an image inside a viewing region, but I'm trouble coming up with names for them. Perhaps someone can suggest some?
Fit image in viewing region, do not enlarge if image is smaller
Size image so it fits snuggly inside the viewing region (enlarge if necessary) -- the image is as ... |
I'm working on a multi-player Android game (very simple it is that it doesn't have any game-engine used). The game is based on Java Socket. Four devices will connect the game server and a new thread will manage their session. The game server will server many such sessions (having 4 players each).
What I'm worried about... |
The time needed to download a website would be significantly reduced, and parsing would be also easier I think.
Why are not these languages imposed as a standard? Obviously they are better than raw html and CSS...
Browsers are the only thing that keeps us away from eliminating the intermediate HTML/CSS code.
|
Being a completely self taught programmer, I would like it if I could better myself by self-learning the computer science course taught to a typical CS grad.
Finding different resources on internet has been easy, there is of course MIT open course ware, and there are Coursera courses from Stanford and other universitie... |
There are huge numbers of programmers, especially juniors, who need good assistance in becoming professional.
I've heard a lot of about "books every programmer should read", etc. I have two years of programming experience, feel good in C++, but currently have a strange feeling, that I do not know anything about program... |
I've to access to files on the software user and I don't know if it's better to use a full JS app with HTML5 File Api rules or use Java and communicate with it ?
|
When the concepts of Object Oriented Programming were introduced to programmers years back it looks interesting and programming was cleaner. OOP was like this
Stock stock = new Stock();
stock.addItem(item);
stock.removeItem(item);
That was easier to understand with self-descriptive name.
But now OOP, with pattern like... |
Are symbolic programming and metaprogramming the same thing?
I've always read about symbolic programming while using Mathematica, but I've never searched about it's meaning, I've searched about it today and I found that both concepts are similar, are there any differences?
|
During an interview, I was asked whether I knew the difference between C and C++.
I was wondering why such question being asked?
|
I am wondering if I would need to license the Metro style or if I can just freely use it in my own applications. I mean, is it patented or protected in any way that would prevent me from building my own implementation? I effectively would like to copy the visible part of it.
I like to idea of being able to:
Provide an... |
Say you've committed a file of type foo in your favorite vcs:
$ vcs add data.foo
$ vcs commit -m "My data"
After publishing you realize there's a better data format bar. To convert you can use one of these solutions:
$ vcs mv data.foo data.bar
$ vcs commit -m "Preparing to use format bar"
$ foo2bar --output data.bar d... |
I'm new with OOP and UML and I have some confusion here. I'd like to know where to start, I mean, somebody comes to you and ask you to do something (involves software design of course), once you have determined what has to be done, what is the order in which you have to start the software architecture? I mean, is it fi... |
I am developing instrument driver and I want to know how to calculate checksum for a Laboratory Information System (LIS) frame.
Explanation:
Expressed by characters [0-9] and [A-F].
Characters beginning from the character after [STX] and until [ETB] or [ETX] (including [ETB] or [ETX]) are added in binary.
The 2-digit... |
1.
$(function () {
function foo() { return true; }
log(bar()); // getting error
var bar = function() { return true; };
});
2.
$(function () {
function foo() { return true; }
log(bar()); // working
function bar() { return ... |
Is there a phrase or word to describe an algorithm or program is complete in that given any value for its arguments there is a defined outcome? i.e. all the ramifications have been considered whatever the context?
A simple example would be the below function:
function returns string get_item_type(int type_no)
{
if(ty... |
I am currently using two systems to write code documentation (am using C++):
Documentation about methods and class members are added next to the code, using the Doxygen format. On a server Doxygen is run on the sources so the output can be seen in a web browser
Overview pages (describing a set of classes, the structu... |
What's better in terms of user experience?
Provide the user an email account where he can report bugs, or a link to the projects github issues page (which requires a github account but may be easier to submit bugs to)?
EDIT
The application is a Bash script hosted on github. The GNU Coding Standards suggests using an em... |
We're looking to migrate some existing Excel/Access processes into a new system which will provide the users with a Silverlight frontend to run and view the reports instead of using MS Access. The initial idea was to have SQL Server 2008 as RDBMS.
The problem is that we've got some static data such as country codes, co... |
I manage a small team of developers on an application which is in the mid-point of its lifecycle, within a big firm. This unfortunately means there is commonly a 30/70 split of Programming tasks to "other technical work". This work includes:
Working with DBA / Unix / Network / Loadbalancer teams on various tasks
Placi... |
Let's say we have some code that is used to initialize things when a page is loaded and it looks like this:
function initStuff() { ...}
...
$(document).ready(initStuff);
The initStuff function is only called from the third line of the snippet. Never again. So usually people put this into an anonymous callback like thi... |
On my project, we have po files to internationalize/translate various labels, error messages, button-text etc. We also have separate po files for the entirety of our help documentation, which is included in the product.
Is this an appropriate use of gettext - putting entire documents in po files as opposed to just labe... |
Sometimes you run into a situation where you have to extend/improve some existing code. You see that the old code is very lean, but it's also difficult to extend, and takes time to read.
Is it a good idea to replace it with modern code?
Some time ago I liked the lean approach, but now, it seems to me that it's better t... |
At the moment I am working on a Groovy/Grails project (which I'm quite new in) and I wonder whether it is good practice to omit the return keyword in Groovy methods. As far as I know you have to explicitly insert the keyword i.e. for guard clauses, so should one use it also everywhere else? In my opinion the additional... |
Possible Duplicate:
How should I test randomness?
Are their some techniques described for testing applications that have as a requirement some statistical or probabilistic features? They may for example use some random number generators and the customer may wish certain distribution etc.
How would software companies... |
What tools similar to GWT's UIBinder exist in other languages? By this I mean a system where you can define your UI layout in a markup language (preferably html+css) and attach the functionality to the layout using the code. I'm most interested in anything for python, but answers in other languages would interest me as... |
I've seen various open source libraries (actually I've seen it for assets as well) having a home-baked license in the following manner :
SomeGuy's License:1. You can use this code freely in commercial projects and modify it as you wish, but not sell it2.
If you want to sell a modified version, drop me an email first... |
I'm studying source code with other developers, and my job is to type up the specifications as the lead programmer describes what each function does. Are there any tips/tricks to doing this faster? a lot of times I have to ask him to repeat himself, as I didn't hear it well.
How can I be a better specification write... |
In bash at least, if and case blocks are closed like this:
if some-expr
then
echo "hello world"
fi
case $some-var in
[1-5])
do-a-thing
;;
*)
do-another-thing
esac
as opposed to the more typical close of end or endif/endcase. As far as I know, this rather funny convention is unique to shell scripting a... |
I am a developer working with small organization from last two years.
I have completed some successful projects and organization believe on my technical skill.
Now I get nominated for Team leader position, So how can convince them that I can lead a team ?
What skills I have to show besides technical stuff ?
Any help wi... |
I have just recently started my career as a web developer for a medium sized company. As soon as I started I got the task of expanding an existing application (badly coded, developed by multiple programmers over the years, handles the same tasks in different ways, zero structure).
So after I had successfully extended t... |
I was reading this article. It has the following paragraph.
And did Scala turn out to be fast? Well, what’s your definition of fast? About as fast as Java. It doesn’t have to be as fast as C or Assembly. Python is not significantly faster than Ruby. We wanted to do more with fewer machines, taking better advantage of ... |
I have a small github project, which I need to add an option to to output some version number on the commandline.
The problem is I have no idea how to "compute" the version number. Is this some random process? Should I just start at 1.0 (probably creating a tag or something), and put a number after . for fixes?
I know ... |
I'm working with multiple software with varying ways of monitoring for errors. When I make software, I usually send email with the stack trace to admins(usually me). Some customer software is monitored by a team who check that a particular batch run was successfull. Other software might not have any monitoring at all(s... |
We are designing a new architecture for an enterprise business. The principles we've followed so far is not to develop what you can (possible buy and) deploy, ie, don't reinvent any wheels.
In this way we've decided on CQRS, RabbitMQ, Riak and a bunch of other things. We still need to write /some/ business code though ... |
What is the decisive difference between LGPL(v3) and AGPL(v3) ?
Both can be used in commercial production, both can also be packed within a payed product. As long as I do not change the source code of these, I am not forced to enclose the source code with my product.
So where lies the eminent difference?
(Asked this al... |
I was under the impression that by now everyone agrees this maxim was a mistake. But I recently saw this answer which has a "be lenient" comment upvoted 137 times (as of today).
In my opinion, the leniency in what browsers accept was the direct cause of the utter mess that HTML and some other web standards were a few y... |
We have an application which is C++ trying to access MySQL database.
There are several (about 5 or so) threads in the application (with Boost library for threading) and in each thread has a few objects, each of which is trying to access Database for its' own purpose. It has a simple ORM kind of model but that really is... |
I'm in the planning stages of a new webapp, and I am leaning strongly toward a multitenancy model. The app has a file storage function, where the user can upload (and operate on) files.
I would like the ability of the user to share these files, however. How is this typically accomplished in a multi-tenant model?
The ... |
Let me try to explain what I mean:
Say, I present a list of objects and I need to get back a selected object by a user. The following are the classes I can think of right now:
ListViewer
Item
App [Calling class]
In case of a GUI application, usually click on a particular item is selection of the item and in case of ... |
I had a co-worker leave our company recently. Before leaving, he coded a component that had a severe memory leak that caused a production outage (OutOfMemoryError in Java). The problem was essentially a HashMap that grew and never removed entries, and the solution was to replace the HashMap with a cache implementation... |
I occasionally write code like this when I want to replace small parts of an existing implementation:
public interface IFoo
{
void Bar();
}
public class Foo : IFoo
{
public void Bar()
{
}
}
public class ProxyFoo : IFoo
{
private IFoo _Implementation;
public ProxyFoo(IFoo implementation)
{... |
I am wondering if there are any studies that examine the efficacy of software projects in CMMI-oriented organizations. For example, are CMMI organizations more likely to finish projects on time and/or on budget than non-CMMI organizations?
CMMI stands for "Capability Maturity Model Integration". It's developed by the S... |
Researching distributed source control management (specifically mercurial).
My question is more or less what is the best practice for rejecting entire sets of code that fail testing?
Example:
A team is working on a hello world program. They have testers and a scheduled release coming up with specific features planned.... |
I’m working on a "for fun" project in my spare time. I may end up making it Open Source and this makes me wonder what I need to think about if someone cares enough to contribute to it.
Do I need to have some sort of legal mumbo jumbo about “if you give
me yer code, it accepts the same license as the project, bla bla b... |
Okay, I have been learning SPARQL to query dbpedia and I can't seem to find clear and practical tutorials related to SPARQL and the Semantic Web. If I say that an ontology is analogous to an SQL table definition or maybe a specification of an object's members should I be slapped?
|
I have been tasked with adding some new features to a legacy ASP.NET MVC2 project. The codebase is a disaster and I want to write these new features with some thought behind the implementation and not just throw these new features into the mess. I would like to introduce things like dependency injection and the orchest... |
Background
I have a test fixture with a number of communication/data acquisition devices on it that is used as an end of line test for a product.
Because of all the various sensors used in the bench and the need to run the test procedure in near real-time, I'm having a hard time structuring the program to be more frie... |
I'm currently working on a library written in C. Many functions of this library expect a string as char* or const char* in their arguments. I started out with those functions always expecting the string's length as a size_t so that null-termination wasn't required. However, when writing tests, this resulted in frequent... |
We're starting a new(ish) project at work that has been handed off to me. A lot of the database sided stuff has been fleshed out, including some stored procedures. One of the stored procedures, for example, handles creation of a new user. All of the data is validated in the stored procedure (for example, password must ... |
I am using google maps and returning html/lat/long from my MySQL database
Currently
A user picks a business category e.g; "Video Production".
an ajax call is sent to a CodeIgniter controller
the Controller then queries the db, and returns the following data via JSON
Lat/Long of the marker
HTML for the popup window
th... |
I work for a company that produces enterprise applications to be used by schools and districts to manage all of their tests and standards data. Their existing application is written in J2EE and is very large. I personally am a seasoned PHP and Ruby = RoR developer and I have been asked to attempt to implement easily ad... |
I just finished the book "Tech Yourself Java in 24 Hours, 6th Edition" I have an understanding of the language (by understanding I mean, the basics and everything covered in the book) and I have been experimenting and building little things with my knowledge. I want to learn about Android and was wondering if I need to... |
The number of platforms I have to develops apps for is increasing and It brings me lots of stress to learn new technologies for each target platform. I found out that Telerik's Kendo UI is very good to build websites that look and feel native on mobile platforms (e.g. iOS and Android). My question is, is it possible to... |
I am building MVC3 application and need some general guidelines on how
to manage complex client side interaction between my components.
Here is my definition of one component in general way:
Component which has it's own controller, model and view. All of the
component's logic is placed inside these three parts and comp... |
I am a big fan of open source code. I think I understand most of the advantages of going open source. I'm a science student researcher, and I have to work with quite a surprising amount of software and code that is not open source (either it's proprietary, or it's not public). I can't really see a good reason for this,... |
I wrote a small library in Python for handling the xbox 360's STFS files to be used on my web applications. I would like to rewrite it for use in the many desktop programs people are writing for 360 game modding, but I'm not quite if I should continue using C# or delve into C++ or even C.
STFS is an in-file file syste... |
Possible Duplicate:
XML vs SQL for small projects?
I'm making a (conceptual) system to simulate any kind of sports match (like soccer,basketball,etc) with actions (for example pass,pass,out,pass,score) so it will be like a real report. The main statistics (play time, number of actions etc.) I'm saving to a MySQL dat... |
I am looking for general optimization tips and guidelines for xml parsing.
One of the optimization strategies is of course selecting the "right" parser. A detailed comparison between the available parsers for ios can be found here http://www.raywenderlich.com/553/how-to-chose-the-best-xml-parser-for-your-iphone-project... |
SUMMARY: All of these happens on Site A
User visits site A
User enter username and password
User click on Login Button
User authenticated on Site B behind the scene
User is shown a page on Site A that contains his/her profile from Site B as layout/styled from Site B
User can click links in the Profile page that links ... |
The question emerged for me in embedded programming but I think it can be applied to quite a number of general networking situations e.g. when a communication partner fails.
Assume we have an application logic (a program) running on a computer and a gadget connected to that computer via e.g. a serial interface like RS... |
You have a class hierarchy:
D extends C which extends B which extends A, for example.
A would be the top class, but how about D?
I am looking for a short and concise way of describing the position of D within the hierarchy
Is it the most specific class? the deepest class in the hierarchy? the last subclass? final class... |
After making little progress in web development and php I figured out if I can make my grip strong on database designing, I will be able to reduce much code and time in developing the application. But I happen to be a dumb in database designing so can anyone please help to differentiate between has many and belongs to ... |
Sometimes when we check the commit history of a software, we may see that there are a few commits that are really BIG - they may change 10 or 20 files with hundreds of changed source code lines (delta). I remember that there is a commonly used term for such BIG commit but I can't recall exactly what that term is. Can a... |
I have a very beginner question regarding web development.
I've had some experience with JSP, Hibernate, and MAMP to create a simple system for tracking inventory and sales. But this was all done locally on one computer.
This time, I want to create a system that could be accessible online. It's to help my mother track... |
A Little Background
I'm 28 today, and I've never had any formal training in software development, but I do have two higher education degrees equivalent to a B.A in Public Relations and an Executive MBA focused on Project Management. I've worked on those fields for about 6 years total an then, 2,5 years ago I quit/lost ... |
I'm currently developing some mobile applications using PhoneGap for Android, testing only in 3 different kinds of smartphones, and using emulators to test on the others target phone resolutions. Later on I will probably use a iOS emulator.
I would like to know if I will have any problems with that.
|
As someone who is becoming more comfortable working in Objective-C I would like to be able to incorporate more design patterns and OOP features in my projects but struggle to implement them as required by GoF because you cannot create an abstract class. I want to 1) avoid lots of subclassing, 2) minimize use of respond... |
Suppose I have an abstract class named Task.
Is there a standard or convention that would suggest I should name it AbstractTask instead?
|
I'm looking for a way to have a website remember sensitive data, but without actually storing it server side. And I was looking at HTML5 localStorage to do it. Here's the plan as I see it.
User enters sensitive data into form, and submits.
Server encrypts data via AES-256 with a strong key that is kept in private so... |
I'm working to implement a data service solution that has 2 request functions but can respond with one of 3 transmission types:
x12 EDI
HTTP MIME multipart
SOAP/XML + WSDL
I would also need to include logging and username/password authentication to the services. I'm in the very early learning stages of WCF. Is WCF... |
I feel that often you don't really choose what format your code is in. I mean most of my tools in the past have decided for me. Or I haven't really even thought about it. I was using TextPad on windows the other day and as I was saving a file, it prompted me about ASCII, UTF-8/16, Unicode etc etc...
I am assuming that ... |
I've experienced a lot of issues that were the result of the nature of PHP living within the bounds of a stateless HTTP request, especially considering the asynchronous environment expected of modern web applications.
Namely, regeneration of session handles can cause session self-destructs if parallel requests are occu... |
I was recently given the task of creating an implementation plan document. When I asked for an example of one that I could look at, I was told to look at the Project Plan that had already been created an use that as a base. I'm still a bit confused on what I should be creating.
Can anyone point me to a good example out... |
For example:
Say I have classes A, B, C. I have two interfaces, lets call them IAnimal and IDog. IDog inherits from IAnimal. A and B are IDogs, while C is not, but it is an IAnimal.
The important part is that IDog supplies no additional functionality. It is only used to allow A and B, but not C, to be passed as an argu... |
Setup
We have a situation where developers connect to their development boxes via Citrix terminals (that are installed on their laptops), which brings them into a Gnome session (e.g. Linux), where they do all the coding.
Problem
Until now developers had Internet Access from those Citrix environments + installed Firefox... |
Suppose there is a language where, instead of statements, functions could only be defined in relation to other functions and operators such as partial application and composition. What would be the characteristics of such language? Could everything that is done with statements be done on this design? What would be the ... |
I’m developing a web-based store in MVC (very closely based on the SportsStore example in Pro ASP.Net MVC 3 Framework http://www.powells.com/biblio/61-9781430234043-0).
I’m using a SQL database and accessing it through System.Data.Entity.DbContext
I have a table that describes the products that I’m selling, with colum... |
It happens that some one just leaves the company all of sudden. Now his work needs to be completed and you are being assigned it. Having no idea what was he up to (was it 90% done or 9%), how do you manage the leftover?
Shall I start from scratch? What if it was 90% done?
Shall I try and understand whatever he has do... |
Groovy has a concept that it calls 'currying'. Here's an example from their wiki:
def divide = { a, b -> a / b }
def halver = divide.rcurry(2)
assert halver(8) == 4
My understanding of what's going on here is that the right hand argument of divide is being bound to the value 2. This seems like a form of partial appli... |
Hypothetical situation, I have 3 node modules all native, A, B, and C.
A is a utilities module which exposes several functions to javascript through the node interface, in addition it declares/defines a rich set of native structures and functions
B is a module which is dependent on data structures and source in A, it... |
Can you mention some advanced OO topics or concepts that one should be aware of?
I have been a developer for 2 years now and currently aiming for a certain company that requires a web developer with a minimum experience of 3 years.
I imagine the interview will have the basic object oriented topics like (Abstraction, Po... |
When I have a function that might, or might not receive a certain parameter, is it better to overload the function, or to add optional args?
If each one has it's ups and downs - when would I use each?
|
Possible Duplicate:
Do people in non-English-speaking countries code in English?
I know that there are non-English based languages out there, where keywords are in some other tongue, but popular languages are in English. However, if you're a non-native English speaker, developing for a non-English market, do you use... |
I run into this often during programming where I want to have a loop count index inside of a foreach and have to create an integer, use it, increment, etc. Wouldn't it be a good idea if there was a keyword introduced that was the loop count inside of a foreach? It could also be used in other loops as well.
Does this go... |
We are developing an iOS application that needs to synchronize with a remote server using web services. The existing web services have an "operations" style rather than REST (implemented in WCF but exposing JSON HTTP endpoints). We are unsure of how to structure the web services to best fit with iOS and would love some... |
In my mind a webapp is any website that has some complicated features and that's served from the web, but I know there are people who are a lot smarter than me here and they'll point out other features that I'm not noticing. For example:
If it doesn't have a login system, can I still call it a webapp? (because most we... |
Note: This question refers to code written in Java or C#.
I am managing a couple of large projects where we have discovered issues (not necessarily bugs) with some 3rd party/SDK methods and have written our own extensions that should be used instead. We want developers to remember that using those methods is not recomm... |
I am developing a paid application in python. I do not want the users to see the source code or decompile it. How can I accomplish this task to hiding the source code from the user but running the code perfectly with the same performance.
|
What is the difference between stream-based Input and Channel-Based Input? The java API provides both stream-based in "java.io" package and channel-based in "java.nio" package. Which one of the two is better in performance and reduced run-time errors?
|
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