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argparse store false if unspecified
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Mark Amery
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answered Nov 20 '11 at 18:24
unutbuunut...
How do I discard unstaged changes in Git?
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@KarimSamir: The question specifically asks about changes that are not in the index. The git reset command will discard changes in the index too.
– Greg Hewgill
Apr 12 '15 at 17:28
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How to fix “Headers already sent” error in PHP
...ders must be invoked before any output is made.
summary ⇊
Otherwise the call fails:
Warning: Cannot modify header information - headers already sent (output started at script:line)
Some functions modifying the HTTP header are:
header / header_remove
session_start / session_regenerate_id
se...
Ternary operator (?:) in Bash
... 20 -- this can also be a result of an expression.
This approach is technically called "Parameter Expansion".
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What's the difference between “Write-Host”, “Write-Output”, or “[console]::WriteLine”?
... but not necessarily want to display it on screen. The pipeline will eventually write it to out-default if nothing else uses it first.
Write-Host should be used when you want to do the opposite.
[console]::WriteLine is essentially what Write-Host is doing behind the scenes.
Run this demonstratio...
Get first and last day of month using threeten, LocalDate
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Going with this one, uses the API resources specifically made to handle this particular problem.
– jpangamarca
Jul 11 '17 at 16:53
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How to make ReSharper re-evaluate its assembly reference highlighting
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Except for reinstalling, the only way to successfully clear the caches is to delete the files manually from your AppData directory.
Delete the solution folder that's giving you grief in the following locations:
%LOCALAPPDATA%\JetBrain...
Extract every nth element of a vector
...it can be used on a temporary; in order to use seq you have to be able to call length on the vector. letters[letters < 'm'][c(TRUE, FALSE, FALSE)]
– Matt Chambers
Sep 14 '17 at 21:07
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What's “this” in JavaScript onclick?
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Yea... you didn't really answer the question :-/ nothing personal!
– Dave
Oct 23 '12 at 10:48
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Image library for Python 3
...actively being developed as for Oct 2014, has a nice doc, you may pip3 install Image (I was using pillow without knowing), and you from PIL import Image. It also supports all the major platforms now. When looking for a PIL for python3, this is definitely the choice.
– Yosh
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