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“git rm --cached x” vs “git reset head -- x”?
...n you do something like git add file you add it to the index. And when you commit it, you add it to the tree as well.
It will probably help you to know the three more common flags in git reset:
git reset [--<mode>] [<commit>]
This form resets the current branch head to <com...
Returning value from called function in a shell script
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community wiki
9 revs, 4 users 86%olibre
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Is volatile expensive?
After reading The JSR-133 Cookbook for Compiler Writers about the implementation of volatile, especially section "Interactions with Atomic Instructions" I assume that reading a volatile variable without updating it needs a LoadLoad or a LoadStore barrier. Further down the page I see that LoadLoad ...
ADB No Devices Found
...ettings dialogue on the device.
Settings > Storage > Menu > USB Computer connection to "Camera (PTP)"
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error: passing xxx as 'this' argument of xxx discards qualifiers
... const StudentT. So when you try to call getId() with the const object the compiler detects a problem, mainly you're calling a non-const member function on const object which is not allowed because non-const member functions make NO PROMISE not to modify the object; so the compiler is going to make...
How do I validate a date string format in python?
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@chiffa You could match a date format regex but its not recommended because it's less robust and exceptions are clearer. Are you sure date validation is your bottleneck?
– jamylak
Sep 6 '16 at 2:52
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Using .gitignore to ignore everything but specific directories
...bunch of WordPress websites in my git repo, of which I want to selectively commit only the content of my themes folders, while ignoring the rest of the redundant files found in WordPress.
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How to perform Callbacks in Objective-C
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stackoverflow.com/questions/652186/…
– ptomli
Oct 12 '10 at 14:36
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How do I change the background color of a plot made with ggplot2
...the newer versions of ggplot2. (0.9.3). So the newer version of the second command would become: myplot + theme(plot.background = element_rect(fill='green', colour='red'))
– Ram Narasimhan
Dec 21 '12 at 19:23
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When to use window.opener / window.parent / window.top
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