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Which is faster: Stack allocation or Heap allocation
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On some (mostly embedded, that I know of) architectures, stack may be stored in fast on-die memory (e.g. SRAM). This can make a huge difference!
– leander
Jul 15 '09 at 1:16
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serve current directory from command line
...erve the current directory from command line with ruby? it would be great, if i can have some system wide configuration (e.g. mime-types) and simply launch it from every directory.
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How can I return pivot table output in MySQL?
... from there in here (even more since I just don't want to copy their vast knowledge), but I'll give some advice on how to deal with pivot tables the sql way generally with the example from peku who asked the question in the first place.
Maybe the link comes back soon, I'll keep an eye out for it.
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Pandas - Get first row value of a given column
...could use:
In [30]: df_test['Btime'].iloc[0]
Out[30]: 1.2
There is a difference between df_test['Btime'].iloc[0] (recommended) and df_test.iloc[0]['Btime']:
DataFrames store data in column-based blocks (where each block has a single
dtype). If you select by column first, a view can be returned...
How to get GET (query string) variables in Express.js on Node.js?
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What additional/better functionality does hapi provide ( if any ) ?
– BaltoStar
Aug 5 '13 at 18:44
182
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Difference between DirectCast() and CType() in VB.NET
...ld with a C# (int) cast. But you can cast from an IEnumerable to an array, if your underlying IEnumerable object variable really is an Array. And of course you can cast from Object to anything, assuming the type of your object instance really is somewhere below your cast type in the inheritance tree...
Is there a way to create multiline comments in Python?
...iting features can be a painful experience. Finding the right editor (and knowing how to use it) can make a big difference in how the Python programming experience is perceived.
Not only should the text editor be able to comment-out selected regions, it should also be able to shift blocks of code t...
Putting git hooks into repository
...t .git/hooks into the projects repository (using symlinks, for example). If yes, what is the best way to deliver same hooks to different git users?
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Image Greyscale with CSS & re-color on mouse-over?
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If said images need to be linked to other website tho, how could this be done if the images are set as backgrounds?
– Meta
Sep 1 '11 at 17:39
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Is there a way to perform “if” in python's lambda
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The syntax you're looking for:
lambda x: True if x % 2 == 0 else False
But you can't use print or raise in a lambda.
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