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Passing a std::array of unknown size to a function
...ot currently valid C++ even though it compiles in GCC7 with the C++17 flag set. From reading here, function parameters declared as auto are part of the Concepts TS which should eventually be part of C++20.
– Fibbles
May 19 '18 at 17:44
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How to generate a random integer number from within a range
...tervals of the same size are equally likely and independent. For a finite set of values, this implies a uniform distribution and also ensures that the values of rand() are nicely scattered.
This means that the only correct way of changing the range of rand() is to divide it into boxes; for example...
The most efficient way to implement an integer based power function pow(int, int)
What is the most efficient way given to raise an integer to the power of another integer in C?
17 Answers
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How do I remove all .pyc files from a project?
...
Most importantly, if this is a dev machine, you can set PYTHONDONTWRITEBYTECODE=True, and you'll never need to do this again. See: this answer.
– mlissner
May 30 '11 at 0:46
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Why do C and C++ compilers allow array lengths in function signatures when they're never enforced?
...of additional dimensions are necessary to allow the compiler to compute offsets correctly. In the following example, the foo function is passed a pointer to a two-dimensional array.
#include <stdio.h>
void foo(int args[10][20])
{
printf("%zd\n", sizeof(args[0]));
}
int main(int argc, c...
How do I clear the std::queue efficiently?
...ector) might just call the destructors of the previously held elements and set the size (or equivalent operation with the stored pointers) without actually releasing the memory.
– David Rodríguez - dribeas
Nov 20 '10 at 19:44
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How to clear the cache of nginx?
... Virtualbox. I did not have caching turned on. But looks like sendfile was set to on in nginx.conf and that was causing the problem. @kolbyjack mentioned it above in the comments.
When I turned off sendfile - it worked fine.
This is because:
Sendfile is used to ‘copy data between one file de...
git - Server host key not cached
...
For those of you who are setting up MSYS Git on Windows using PuTTY via the standard command prompt, the way to add a host to PuTTY's cache is to run
> plink.exe <host>
For example:
> plink.exe codebasehq.com
The server's host key is...
What are commit-ish and tree-ish in Git?
...)directory tree can also be
used to point to a commit. In other words, the set of "commit-ish" identifiers
is a strict subset of the set of "tree-ish" identifiers.
The set of tree-ish identifiers that cannot be used as commit-ish are
<rev>:<path>, which leads directly to directory tre...
Programmatically get height of navigation bar
...n can not be manipulated because autolayout handles positions.
//[logoView setFrame:CGRectMake((self.navigationController.navigationBar.frame.size.width - targetWidth) / 2 , (self.navigationController.navigationBar.frame.size.height - targetHeight) / 2 , targetWidth, targetHeight)];
[logoView setFra...