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Is there a way to use shell_exec without waiting for the command to complete?
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I usually get PID of running script by adding echo $! >> /tmp/pid.txt at the end of exec command but by redirecting output & error to /dev/null, no more pid file : does any of you can get PID of script launched by exec while not waiting for output ?
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How to squash commits in git after they have been pushed?
... gstackoverflow: + forces only the refspec which is prefixed by it. --force will force all the refspecs being pushed. Please see the updated answer.
– Alan Haggai Alavi
Dec 9 '14 at 23:47
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Wait for page load in Selenium
...work because there will be some asynchronous calls that cannot be detected by the document.readyState.
– Homewrecker
Aug 28 '15 at 7:46
3
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Pandas: drop a level from a multi-level column index?
... top level would leave two columns with the index 'y'. That can be avoided by joining the names with the list comprehension.
df.columns = ['_'.join(col) for col in df.columns]
A_x A_y B_y
0 1 2 8
1 3 4 9
That's a problem I had after doing a groupby and it took a while to find thi...
Adding external library in Android studio
...to my Android application (I use Android Studio, the instructions provided by lib author for Eclipse didn't work for Android Studio).
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What is tail call optimization?
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It should be noted that support for TCO by the browsers is not guaranteed, and may never be supported. stackoverflow.com/a/42788286/2415524
– mbomb007
Nov 16 '17 at 17:52
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List of remotes for a Git repository?
... -v for "verbose" is actually the more common option. It's also supported by git branch. The basic difference is short vs long options (single vs double dash, essentially) That said, supporting --list with the remote subcommand would make sense. If you really want it, I'd say submit a feature re...
How do I keep track of pip-installed packages in an Anaconda (Conda) environment?
...tomatically (if pip was installed with conda).
You can see how this works by using the export tool used for migrating an environment:
conda env export -n <env-name> > environment.yml
The file will list both conda packages and pip packages:
name: stats
channels:
- javascript
dependenc...
What does the “static” modifier after “import” mean?
...Used
appropriately, static import can make
your program more readable, by
removing the boilerplate of repetition
of class names.
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Python: most idiomatic way to convert None to empty string?
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by far the most pythonic. Uses the fact that python treats None, an empty list, an empty string, 0, etc as false. Also uses the fact that the or statement returns the first element that is true or the last element given to ...