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Good way to use table alias in Update statement?
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How to center horizontally div inside parent div
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answered Dec 23 '09 at 11:39
Mark EmblingMark Embling
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Print commit message of a given commit in git
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edited Jul 28 '10 at 20:53
answered Jul 28 '10 at 20:47
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Error in : object of type 'closure' is not subsettable
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In general this error message means that you have tried to use indexing on a function. You can...
How do you specify command line arguments in Xcode 4?
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How do I update a formula with Homebrew?
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I think the correct way to do is
brew upgrade mongodb
It will upgrade the mongodb formu...
Pandas aggregate count distinct
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How about either of:
>>> df
date duration user_id
0 2013-04-01 30 0001
1 2013-04-01 15 0001
2 2013-04-01 20 0002
3 2013-04-02 15 0002
4 2013-04-02 30 0002
>>> df.groupby("date").agg({"duration": np.sum, "user_id": ...
Check whether a string contains a substring
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235
To find out if a string contains substring you can use the index function:
if (index($str, $s...