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std::vector performance regression when enabling C++11
...ack(Item());)
$ g++ -std=c++11 -O3 -flto regr.cpp && perf stat -r 10 ./a.out
Performance counter stats for './a.out' (10 runs):
35.426793 task-clock # 0.986 CPUs utilized ( +- 1.75% )
4 context-switches # 0.116 K/sec ...
How can I tell if one commit is a descendant of another commit?
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answered Jun 9 '10 at 13:25
Jakub NarębskiJakub Narębski
254k5858 gold badges205205 silver badges227227 bronze badges
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Make first letter of a string upper case (with maximum performance)
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answered Dec 10 '10 at 5:12
Carlos MuñozCarlos Muñoz
14.9k77 gold badges4848 silver badges7575 bronze badges
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Strings are objects in Java, so why don't we use 'new' to create them?
...once. For example, consider the (contrived) code:
for (int i = 0; i < 10; i++) {
System.out.println("Next iteration");
}
If we didn't have interning of Strings, "Next iteration" would need to be instantiated 10 times, whereas now it will only be instantiated once.
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Print array to a file
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edited Apr 13 '10 at 10:43
answered Apr 13 '10 at 10:36
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npm - how to show the latest version of a package
...ing-local-packages
– Metropolis
Sep 10 '18 at 5:21
THIS IS THE MOST USEFUL! I wish npm update would just run this too ...
Custom numeric format string to always display the sign
...s.
– Roman Starkov
Oct 25 '11 at 16:10
Thanks you so much! I have been busting my head for like an hour to figure out ...
How to get everything after a certain character?
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kenorb
105k4949 gold badges542542 silver badges576576 bronze badges
answered Jul 10 '12 at 1:38
databyssdata...
How to add NERDTree to your .vimrc
...o show nerdtree anyway
– hgf
Dec 9 '10 at 15:57
If you're using a script like vimpager you should move these lines to ...
How can I get file extensions with JavaScript?
...ce(1).pop() || "";
– JustAndrei
Apr 10 '14 at 12:59
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