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Is it possible to implement a Python for range loop without an iterator variable?
...range(10): pass
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>>> _
9
>>> 1+2
3
>>> _
9
And according to Python grammar, it is an acceptable variable name:
identifier ::= (letter|"_") (letter | digit | "_")*
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Run git pull over all subdirectories [duplicate]
...h 1 for a maximum depth of one sub-directory
-exec {} \; runs a custom command for every find
git --git-dir={}/.git --work-tree=$PWD/{} pull git pulls the individual directories
To play around with find, I recommend using echo after -exec to preview, e.g.:
find . -type d -depth 1 -exec echo git -...
Resolving a 'both added' merge conflict in git?
I'm rebasing in git, and one conflict I get is 'both added' - that is, exactly the same filename has been added independently in my branch, and in the branch I'm rebasing on. git status tells me:
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pandas three-way joining multiple dataframes on columns
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Assumed imports:
import pandas as pd
John Galt's answer is basically a reduce operation. If I have more than a handful of dataframes, I'd put them in a list like this (generated via list comprehensions or loops or whatnot):
dfs = [df0, df1, df2, ...
jQuery: Wait/Delay 1 second without executing code
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@Jiemurat and anyone else in the future: setTimeout doesn't break the flow of execution. The great code of Niessner obtain this untile the conditions became true!
– Gabrer
Dec 5 '14 at 17:13
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How can I benchmark JavaScript code? [closed]
...kage that helps me benchmark JavaScript code? I'm not referring to Firebug and such tools.
8 Answers
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In Objective-C, what is the equivalent of Java's “instanceof” keyword?
...if ([myObject isKindOfClass:[AnObject class]])
as suggested by Jon Skeet and zoul.
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Default template arguments for function templates
...rt by Bjarne Stroustrup: Default Template Arguments for Function Templates and what he says
The prohibition of default template arguments for function templates is a misbegotten remnant of the time where freestanding functions were treated as second class citizens and required all template argum...
How do I build a numpy array from a generator?
...ping this in mind, it is technically impossible to take a generator object and turn it into an array unless you either:
can predict how many elements it will yield when run:
my_array = numpy.empty(predict_length())
for i, el in enumerate(gimme()): my_array[i] = el
are willing to store its elemen...
Creating Threads in python
I have a script and I want one function to run at the same time as the other.
6 Answers
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