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Coding Practices which enable the compiler/optimizer to make a faster program
... Don't get me wrong, I like using restrict, but I like not needing it even more.
– celion
Mar 25 '10 at 7:25
You've ju...
Efficient way to apply multiple filters to pandas DataFrame or Series
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Pandas (and numpy) allow for boolean indexing, which will be much more efficient:
In [11]: df.loc[df['col1'] >= 1, 'col1']
Out[11]:
1 1
2 2
Name: col1
In [12]: df[df['col1'] >= 1]
Out[12]:
col1 col2
1 1 11
2 2 12
In [13]: df[(df['col1'] >= 1) & (df[...
Remove whitespaces inside a string in javascript
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You might want to use .replace(/ /g, '') if there is more than once space.
– Rocket Hazmat
May 29 '12 at 13:44
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How to print matched regex pattern using awk?
...web, yes I do know this fact. To a beginner like marverix, its meant to be more visual.
– kurumi
Apr 4 '11 at 8:25
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What is the difference between RegExp’s exec() function and String’s match() function?
...'/a/b/c/d')) {
// match is now the next match, in array form.
}
// No more matches.
String.match does this for you and discards the captured groups.
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How do I capture SIGINT in Python?
...nal_handler)
print('Press Ctrl+C')
signal.pause()
Code adapted from here.
More documentation on signal can be found here.
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How to get the function name from within that function?
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Using LINQ to concatenate strings
...erable object.
Remember that aggregate queries are executed immediately.
More information - MSDN: Aggregate Queries
If you really want to use Aggregate use variant using StringBuilder proposed in comment by CodeMonkeyKing which would be about the same code as regular String.Join including good ...
How to read a file without newlines?
... Note that [line.rstrip('\n') for line in file] will remove more than one trailing \n.
– Wes Turner
Dec 31 '15 at 19:20
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How do I declare a 2d array in C++ using new?
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