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Why use AJAX when WebSockets is available?

...agement tool for my final year project at University utilizing Node server and WebSockets. I found using WebSockets provided a 624% increase in the number of requests per second my application could process. ...
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Where am I wrong about my project and these Javascript Frameworks?

...ization of controls/widgets. ExtJS has a ton of them right out of the box and can always be extended, combined, or munged into whatever monstrosity your business requires. ExtJS 4 also allows you to "skin" your UI's to further customize the look and feel. If you are new to JavaScript, and are com...
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How do you maintain development code and production code? [closed]

What are the best practices and rules-of-thumb to follow while maintaining code? Is it good practice to have only the production ready code in the development branch, or should untested latest code be available in the development branch? ...
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Difference between android-support-v7-appcompat and android-support-v4

I wanted to know the difference between android-support-v4.jar and android-support-v7-appcompat.jar . If I want to add appcompat Action Bar in my application do I need to add both android-support-v7-appcompat.jar and android-support-v4.jar or only android-support-v7-appcompat.jar . ...
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What does auto do in margin:0 auto?

... parameter basically tells the browser to automatically determine the left and right margins itself, which it does by setting them equally. It guarantees that the left and right margins will be set to the same size. The first parameter 0 indicates that the top and bottom margins will both be set to ...
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Solr vs. ElasticSearch [closed]

...ng in this regard as well: There are many comparisons between Apache Solr and ElasticSearch available, so I'll reference those I found most useful myself, i.e. covering the most important aspects: Bob Yoplait already linked kimchy's answer to ElasticSearch, Sphinx, Lucene, Solr, Xapian. Which fit...
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What is Python used for? [closed]

What is Python used for and what is it designed for? 2 Answers 2 ...
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OOP vs Functional Programming vs Procedural [closed]

What are the differences between these programming paradigms, and are they better suited to particular problems or do any use-cases favour one over the others? ...
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Learning to write a compiler [closed]

Preferred languages : C/C++, Java, and Ruby. 38 Answers 38 ...
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PHP global in functions

...T, …) $d = Foo::bar(); // any static call, incl. Singletons and Registries } All of these will make your code depend on the outside. Which means, you have to know the full global state your application is in before you can reliably call any of these. The function cannot exist withou...