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What is the $? (dollar question mark) variable in shell scripting? [duplicate]
...), you will get the return value thrown by the ls command, which should be 0 (default "success" return value). If it doesn't exist, you should get a number other then 0. The exact number depends on the program.
For many programs you can find the numbers and their meaning in the corresponding man pa...
Git pull after forced update
...anch --hard
– bmaupin
Feb 1 '17 at 20:18
So, to clarify, this is either: Option 1: reset --hard, or Option 2: reset --...
Ruby's ||= (or equals) in JavaScript?
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answered Sep 30 '13 at 7:27
Dzung NguyenDzung Nguyen
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Django - how to create a file and save it to a model's FileField?
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edited Apr 3 '18 at 12:20
pawas kr. singh
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answered ...
Troubleshooting “The use statement with non-compound name … has no effect”
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PHP's use isn't the same as C++'s using namespace; it allows you to define an alias, not to "imp...
What is the difference between square brackets and parentheses in a regex?
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edited Aug 30 '17 at 16:21
B--rian
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SQL update trigger only when column is modified
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answered Aug 27 '12 at 12:10
mehdi lotfimehdi lotfi
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When to use pip requirements file versus install_requires in setup.py?
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answered Aug 16 '11 at 21:04
Ian BickingIan Bicking
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Comparing two NumPy arrays for equality, element-wise
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402
(A==B).all()
test if all values of array (A==B) are True.
Note: maybe you also want to test ...
What is in your .vimrc? [closed]
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104
votes
You asked for it :-)
"{{{Auto Commands
" Automatically cd into the directo...