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What is your favorite C programming trick? [closed]
For example, I recently came across this in the linux kernel:
37 Answers
37
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Priority queue in .Net [closed]
I am looking for a .NET implementation of a priority queue or heap data structure
14 Answers
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Check if $_POST exists
... As per Shi's comment on Augustus Francis's answer, empty() is not correct for choice #1, because in php, the string '0' is equivalent to false - and empty() returns true for all values equivalent to false. So using empty, the code would skip printing if the value was '0'. If you want to exclude the...
os.path.dirname(__file__) returns empty
...s a bold where there should be underline on both sides because of markdown formatting. the original answer was changed correctly
– watsonic
Mar 29 '16 at 1:38
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How to darken a background using CSS?
... be solid (fully opaque) ex:background:rgb(96, 96, 96). Refer to this blog for RGBa browser support.
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Get Root Directory Path of a PHP project
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For PHP >= 5.3.0 try
PHP magic constants.
__DIR__
And make your path relative.
For PHP < 5.3.0 try
dirname(__FILE__)
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How can I recover the return value of a function passed to multiprocessing.Process?
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Use shared variable to communicate. For example like this:
import multiprocessing
def worker(procnum, return_dict):
'''worker function'''
print str(procnum) + ' represent!'
return_dict[procnum] = procnum
if __name__ == '__main__':
manager = ...
Logical operators for boolean indexing in Pandas
...True if they have non-zero length, like a Python list. Others might desire for it to be True only if all its elements are True. Others might want it to be True if any of its elements are True.
Because there are so many conflicting expectations, the designers of NumPy and Pandas refuse to guess, an...
Chrome Extension how to send data from content script to popup.html
... (imo) bad practises in your code (e.g. injecting a whole library (jquery) for such a trivial task, declaring unnecessary permissions, making superflous calls to API methods etc).
I did not test your code myself, but from a quick overview I believe that correcting the following could result in a wor...
Passing a 2D array to a C++ function
...nc(array);
The parameter is an array containing pointers
int *array[10];
for(int i = 0; i < 10; i++)
array[i] = new int[10];
void passFunc(int *a[10]) //Array containing pointers
{
// ...
}
passFunc(array);
The parameter is a pointer to a pointer
int **array;
array = new int *[10];
fo...