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Best way to get child nodes
I was wondering, JavaScript offers a variety of methods to get the first child element from any element, but which is the best? By best, I mean: most cross-browser compatible, fastest, most comprehensive and predictable when it comes to behaviour. A list of methods/properties I use as aliases:
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Does PostgreSQL support “accent insensitive” collations?
In Microsoft SQL Server, it's possible to specify an "accent insensitive" collation (for a database, table or column), which means that it's possible for a query like
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How to convert ActiveRecord results into an array of hashes
I have an ActiveRecord result of a find operation:
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reference assignment is atomic so why is Interlocked.Exchange(ref Object, Object) needed?
In my multithreaded asmx web service I had a class field _allData of my own type SystemData which consists of few List<T> and Dictionary<T> marked as volatile . The system data ( _allData ) is refreshed once in a while and I do it by creating another object called newData and fill...
Open Graph namespace declaration: HTML with XMLNS or head prefix?
I have seen conflicting information on how to best implement Open Graph namespaces. Specifically, the Open Graph website uses a few different methods, and the Facebook Open Graph examples use other methods.
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Throw an error in a MySQL trigger
If I have a trigger before the update on a table, how can I throw an error that prevents the update on that table?
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How do I disable a href link in JavaScript?
I have a tag <a href="#"> Previous </a> 1 2 3 4 <a href="#"> Next </a> and in some conditions I want this tag to be completely disabled.
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HTML5shiv vs Dean Edwards IE7-js vs Modernizr - which to choose?
I'm looking to build my first HTML5 site and have been looking at working with IE.
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What's the difference between the build and create methods in FactoryGirl?
The Factory Girl introduction delineates the difference between FactoryGirl.build() and FactoryGirl.create() :
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Foreign key constraints: When to use ON UPDATE and ON DELETE
I'm designing my database schema using MySQL Workbench, which is pretty cool because you can do diagrams and it converts them :P
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