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Remove last character from C++ string
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Simple solution if you are using C++11. Probably O(1) time as well:
st.pop_back();
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Undoing a git rebase
...ase to---B---rebase to---C, now I am at C, I can go back to A by using two times git reset --hard ORIG_HEAD
– CalvinChe
Jan 5 '19 at 7:52
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How can I change Mac OS's default Java VM returned from /usr/libexec/java_home
...hanged, and you can't have two different public JREs installed at the same time.
Edit: I've had a look at VisualVM specifically, assuming you're using the "application bundle" version from the download page, and this particular app is not an AppBundler application, instead its main executable is ...
Mapping a function on the values of a map in Clojure
...aps are all immutable, there's no chance of the order changing in the mean time.
– Chouser
Nov 5 '09 at 14:25
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What is a good reason to use SQL views?
...choices for the roll-out:
1) Cold Turkey - Change the DB, and at the same time, change, test and release numerous pieces of code which contained said query. VERY hard to do (or even coordinate), very risky. Bad.
2) Gradual - change the DB by creating the T_NEW table, dropping the T_OLD table and i...
Can I 'git commit' a file and ignore its content changes?
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Sure, I do exactly this from time to time using
git update-index --assume-unchanged [<file> ...]
To undo and start tracking again (if you forgot what files were untracked, see this question):
git update-index --no-assume-unchanged [<file> .....
What's the purpose of using braces (i.e. {}) for a single-line if or loop?
...e the scope when the braces are lined up. The goal is readability, and sometimes that means using more vertical space, other times it means using less.
– Travesty3
Aug 30 '12 at 13:15
Why is `std::move` named `std::move`?
...posed to a prvalue. And it is also true that having a cast named move sometimes confuses people. However the intent of this naming is not to confuse, but rather to make your code more readable.
The history of move dates back to the original move proposal in 2002. This paper first introduces the ...
How exactly does __attribute__((constructor)) work?
...d dare say it will be forever. Code in .init/.fini is run by the loader/runtime-linker when code is loaded/unloaded. I.e. on each ELF load (for example a shared library) code in .init will be run. It's still possible to use that mechanism to achieve about the same thing as with __attribute__((con...
What's the difference between jquery.js and jquery.min.js?
....min) for your live environment as Google are now checking on page loading times. Having all your JS file minified means they will load faster and will score you more brownie points.
You can get an addon for Mozilla called Page Speed that will look through your site and show you all the .JS files a...