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What is the advantage of GCC's __builtin_expect in if else statements?
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The idea of __builtin_expect is to tell the compiler that you'll usually find that the expression evaluates to c, so that the compiler can optimize for that case.
I'd guess that someone thought they were being clever and that th...
Change key pair for ec2 instance
...ic instructions here that build on this answer but is essentially the same idea - gist.github.com/tamoyal/1b7ec4d3871b343d353d. As @kgadek noted, it's a bit dirty and time consuming but it's a great option if you are locked out of the server you want to make the key change on and if you don't want ...
How to implement the factory method pattern in C++ correctly
... and discussions", see the "No need for static Create methods".
From this idea, I've done a factory. Note that I'm using Qt, but you can change QMap and QString for std equivalents.
#ifndef FACTORY_H
#define FACTORY_H
#include <QMap>
#include <QString>
template <typename T>
cla...
What is a semaphore?
...ent resources.
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At this point an interesting analogy is made using the idea of bathroom keys as protecting shared resources - the bathroom. If a shop has a single bathroom, then a single key will be sufficient to protect that resource and prevent multiple people from using it simultaneously.
If...
What is the difference between statically typed and dynamically typed languages?
...ich improves on it, is now about 15 years old. Even C# is now adopting the idea, which will raise a lot of eyebrows and undoubtedly give rise to claims of its being “weakly typed”. continued...
– Vipresh
Aug 16 '14 at 10:29
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Compression/Decompression string with C#
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Yup working out of the box! I also liked the idea of adding length as first four bytes
– JustADev
Mar 21 '16 at 13:51
2
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Are (non-void) self-closing tags valid in HTML5?
...an explicit closing tag." on the line <meta charset="UTF-8" /> Any idea why that would be?
– James in Indy
Oct 14 '13 at 11:54
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How do I change bash history completion to complete what's already on the line?
...nothing and putting it in .bashrc stop the arrows from doing anything. Any ideas?
– blokkie
Jun 23 '09 at 1:31
Never m...
Change old commit message on Git
... a single commit on new branch. It was easier for me and I think it's good idea to have it here as future reference.
From latest master:
git checkout -b new-branch
Then
git merge --squash problem-branch
git commit -m "new message"
Referece:
https://github.com/rotati/wiki/wiki/Git:-Combine-all-mes...
REST / SOAP endpoints for a WCF service
...other hand I cannot use URItemplate if I use enableWebScript behavior. Any ideas?
– smile.al.d.way
Oct 20 '11 at 3:17
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