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vs in Generics
...interfaces was added to C# and VB.NET (in .NET 4 with VS 2010), this was a compile time error.
After .NET 4, IEnumerable<T> was marked covariant, and became IEnumerable<out T>. Since IEnumerable<out T> only uses the elements within it, and never adds/changes them, it's safe for i...
What's the valid way to include an image with no src?
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Listing all permutations of a string/integer
A common task in programming interviews (not from my experience of interviews though) is to take a string or an integer and list every possible permutation.
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Regular expression to limit number of characters to 10
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Using IPython notebooks under version control
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Here is my solution with git. It allows you to just add and commit (and diff) as usual: those operations will not alter your working tree, and at the same time (re)running a notebook will not alter your git history.
Although this can probably be adapted to other VCSs, I know it doesn...
How to find out the number of CPUs using python
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Is there a JavaScript strcmp()?
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What about
str1.localeCompare(str2)
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How to get the first element of the List or Set? [duplicate]
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328
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