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How can I print each command before executing? [duplicate]
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327
set -o xtrace
or
bash -x myscript.sh
This works with standard /bin/sh as well IIRC (it migh...
How to remove a key from HashMap while iterating over it? [duplicate]
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edited Sep 16 '18 at 7:48
answered May 23 '11 at 3:57
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Working with UTF-8 encoding in Python source [duplicate]
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answered Jun 9 '11 at 7:31
Michał NiklasMichał Niklas
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Replacing Spaces with Underscores
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371
$name = str_replace(' ', '_', $name);
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Iterating over a numpy array
...or j in range(X.shape[1]) for k in range(X.shape[2])])
1 loop, best of 3: 376 ms per loop
%timeit list(np.ndenumerate(X))
1 loop, best of 3: 570 ms per loop
If you are worried about the performance you could optimise a bit further by looking at the implementation of ndenumerate, which does 2 thin...
Filtering a data frame by values in a column [duplicate]
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adamleerichadamleerich
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MySQL case sensitive query [duplicate]
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427
MySQL queries are not case-sensitive by default. Following is a simple query that is looking for...
git multiple user names for the different projects within the same system [duplicate]
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273
Just use --local instead of --global. In fact, local is the default so you can just do
git co...
How to change a string into uppercase
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answered Feb 13 '12 at 7:51
Dan D.Dan D.
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