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How do I clear the std::queue efficiently?
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Yes - a bit of a misfeature of the queue class, IMHO. This is what I do:
#include <queue>
using namespace std;;
int main() {
queue <int> q1;
// stuff
q1 = queue<int>();
}
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PHP Session Fixation / Hijacking
...sha256 or session.hash_function = sha512.
Send a strong hash: session.hash_bits_per_character in php.ini. Set this to session.hash_bits_per_character = 5. While this doesn't make it any harder to crack, it does make a difference when the attacker tries to guess the session identifier. The ID will...
Javascript Cookie with no expiration date
...ie to expire at the end of the session. The only option is to pick some arbitrarily large value. Be aware that some browsers have problems with dates past 2038 (when unix epoch time exceeds a 32-bit int).
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What is the meaning of “POSIX”?
...nd that a system won't do something nasty like have an "int" with 32 value bits, 1 sign bit, and 31 padding bits [so incrementing a uint32_t could yield UB]; if you have the Standard handy it might be nice to say what is and isn't guaranteed in that regard.
– supercat
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What is the Difference Between Mercurial and Git?
...r usage of the poor Windows filesystem). Both http://github.com and http://bitbucket.org provide online hosting, the service at Bitbucket is great and responsive (I haven't tried github).
I chose Mercurial since it feels clean and elegant -- I was put off by the shell/Perl/Ruby scripts I got with G...
Cannot use object of type stdClass as array?
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svenssvens
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Why doesn't C++ have a garbage collector?
...the paper made a good job of introducing the concepts one at a time and showing the evolution of the algorithm from the "simple" version to the full-fledged one. Recommended reading if only I could put my hands back on the PDF file...
2. Resources Acquisition Is Initialization (RAII)
It's a common...
Interfaces — What's the point?
... do such things with reflection or the dynamic keyword, but that's going a bit far right now, I guess.)
Also note that an interface in the usual sense does not necessarily have to be a C# interface, it could be an abstract class as well or even a normal class (which can come in handy if all subclas...
Update R using RStudio
...d to update the option if you want to use a different (previous, x32, x64) bit version.
– Brandon Bertelsen
Dec 1 '12 at 5:50
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SQLAlchemy: print the actual query
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@buzkor re: limit that's been fixed in 1.0 bitbucket.org/zzzeek/sqlalchemy/issue/3034/…
– zzzeek
Aug 8 '14 at 14:36
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