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What exactly does the “u” do? “git push -u origin master” vs “git push origin master”
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edited Jul 12 '16 at 14:33
answered Apr 18 '11 at 2:02
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Is there XNOR (Logical biconditional) operator in C#?
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252
XNOR is simply equality on booleans; use A == B.
This is an easy thing to miss, since equalit...
Using querySelector with IDs that are numbers
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BoltClock♦
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answered Nov 30 '13 at 22:11
DennisDennis
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Argparse: Way to include default values in '--help'?
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462
Use the argparse.ArgumentDefaultsHelpFormatter formatter:
parser = argparse.ArgumentParser(
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echo that outputs to stderr
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You could do this, which facilitates reading:
>&2 echo "error"
>&2 copies file descriptor #2 to file descriptor #1. Therefore, after this redirection is performed, both file descriptors will refer to the same file: the one file descriptor #2 was originally referri...
Setting different color for each series in scatter plot on matplotlib
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I don't know what you mean by 'manually'. You can choose a colourmap and make a colour array ...
How to git log from all branches for the author at once?
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Android: how to make an activity return results to the activity which calls it?
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2 Answers
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What's the difference between == and .equals in Scala?
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You normally use ==, it routes to equals, except that it treats nulls properly. Reference equa...