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How to create a unique index on a NULL column?
I am using SQL Server 2005. I want to constrain the values in a column to be unique, while allowing NULLS.
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Which characters need to be escaped in HTML?
Are they the same as XML, perhaps plus the space one (   )?
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How to prevent moment.js from loading locales with webpack?
Is there any way you can stop moment.js from loading all the locales (I just need English) when you're using webpack? I'm looking at the source and it seems that if hasModule is defined, which it is for webpack, then it always tries to require() every locale. I'm pretty sure this needs a pull ...
E731 do not assign a lambda expression, use a def
I get this pep8 warning whenever I use lambda expressions. Are lambda expressions not recommended? If not why?
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What's the idiomatic syntax for prepending to a short python list?
...or adding to the end of a list. Here's a reasonable explanation for the missing list.prepend() . Assuming my list is short and performance concerns are negligible, is
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How do browsers pause/change Javascript when tab or window is not active?
Background: I'm doing some user interface tests that need to detect if people are paying attention or not. But, this question is not about the page visibility API .
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What's the role of GetHashCode in the IEqualityComparer in .NET?
I'm trying to understand the role of the GetHashCode method of the interface IEqualityComparer.
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What is Autoloading; How do you use spl_autoload, __autoload and spl_autoload_register?
I am learning advanced PHP standards and trying to implement new and useful methods. Earlier I was using __autoload just to escape including multiple files on each page, but recently I have seen a tip on __autoload manual
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Generic type parameter naming convention for Java (with multiple chars)?
In some interfaces I wrote I'd like to name generic type parameters with more than one character to make the code more readable.
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Why does the JVM still not support tail-call optimization?
Two years after does-the-jvm-prevent-tail-call-optimizations , there seems to be a prototype implementation and MLVM has listed the feature as "proto 80%" for some time now.
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