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How do I generate random number for each row in a TSQL Select?
I need a different random number for each row in my table. The following seemingly obvious code uses the same random value for each row.
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Do HTML5 custom data attributes “work” in IE 6?
Custom data attributes: http://dev.w3.org/html5/spec/Overview.html#embedding-custom-non-visible-data
6 Answers
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What guarantees are there on the run-time complexity (Big-O) of LINQ methods?
I've recently started using LINQ quite a bit, and I haven't really seen any mention of run-time complexity for any of the LINQ methods. Obviously, there are many factors at play here, so let's restrict the discussion to the plain IEnumerable LINQ-to-Objects provider. Further, let's assume that any...
Why does volatile exist?
What does the volatile keyword do? In C++ what problem does it solve?
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Linq to Entities - SQL “IN” clause
In T-SQL you could have a query like:
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Why is string concatenation faster than array join?
Today, I read this thread about the speed of string concatenation.
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How to debug a single thread in Visual Studio?
I have a solution with some projects. There are several break-points in different projects. I want to trace the first thread hit one of these break-points and continue tracing that single thread despite of other threads entering the same code-blocks.
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Why does Enumerable.All return true for an empty sequence? [duplicate]
The code creates an empty collection of string, then tries to determine if all the elements in the collection are "ABC".
If you run it, b will be true.
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Is there a standard function to check for null, undefined, or blank variables in JavaScript?
Is there a universal JavaScript function that checks that a variable has a value and ensures that it's not undefined or null ? I've got this code, but I'm not sure if it covers all cases:
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Unit testing Anti-patterns catalogue
anti-pattern : there must be at least two key elements present to formally distinguish an actual anti-pattern from a simple bad habit, bad practice, or bad idea:
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