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Use 'import module' or 'from module import'?
...el Ray LovettMichael Ray Lovett
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Trying to understand CMTime and CMTimeMake
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Why apple's reference don't say this?
– vgonisanz
Nov 28 '13 at 8:41
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Throw an error in a MySQL trigger
...ing it!Thx.
– Nicola Peluchetti
Mar 12 '11 at 14:44
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Python Pandas: Get index of rows which column matches certain value
...e them using np.flatnonzero:
In [110]: np.flatnonzero(df['BoolCol'])
Out[112]: array([0, 3, 4])
Use df.iloc to select rows by ordinal index:
In [113]: df.iloc[np.flatnonzero(df['BoolCol'])]
Out[113]:
BoolCol
10 True
40 True
50 True
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What is a singleton in C#?
...Prevent outside instantiation
}
private static readonly Singleton _singleton = new Singleton();
public static Singleton GetSingleton()
{
return _singleton;
}
}
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How can I view all the git repositories on my machine?
...uired
– quiet_penguin
Oct 29 '18 at 12:32
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mongodb: insert if not exists
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Van NguyenVan Nguyen
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How to deal with INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES without uninstall?
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Note that the debug.keystore is not in your project directory. It is normally in your ~/.android/ directory. (see developer.android.com/gui...
How to play a local video with Swift?
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answered Aug 17 '14 at 12:38
Luca AngelettiLuca Angeletti
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Convert a series of parent-child relationships into a hierarchical tree?
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This requires a very basic recursive function to parse the child/parent pairs to a tree struct...