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How to make a chain of function decorators?
...But remember decorators are called only once. Just when Python imports the script. You can't dynamically set the arguments afterwards. When you do "import x", the function is already decorated, so you can't
change anything.
Let’s practice: decorating a decorator
Okay, as a bonus, I'll give you...
Best algorithm for detecting cycles in a directed graph [closed]
...opological_sorting
has the pseudo-code for one algorithm, and a brief description of another from Tarjan. Both have O(|V| + |E|) time complexity.
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PHP - include a php file and also send query parameters
I have to show a page from my php script based on certain conditions. I have an if condition and am doing an "include" if the condition is satisfied.
...
How to delete images from a private docker registry?
...lly removing the reference to the associated images. Then you can run this script to remove all images, that are not referenced by any tag or the ancestry of any used image.
Terminology (images and tags)
Consider an image graph like this where the capital letters (A, B, ...) represent short image ...
warning about too many open figures
In a script where I create many figures with fix, ax = plt.subplots(...) , I get the warning RuntimeWarning: More than 20 figures have been opened. Figures created through the pyplot interface (matplotlib.pyplot.figure) are retained until explicitly closed and may consume too much memory.
...
How can I get the current page's full URL on a Windows/IIS server?
...' . $_SERVER['HTTP_HOST'];
$this->thisfile = basename($_SERVER['SCRIPT_FILENAME']);
$this->real_directories = $this->cleanUp(explode("/", str_replace($this->thisfile, "", $_SERVER['PHP_SELF'])));
$this->num_of_real_directories = count($this->real_directories...
MySQL: #126 - Incorrect key file for table
...orrupt partition file:
rm -fv /usr/tmpDSK
Then create a nice new one:
/scripts/securetmp
Note that by editing the securetmp Perl script you can manually set the size of the tmp directory yourself, however just running the script increased the size of the tmp directory on our server from roughl...
How to check file MIME type with javascript before upload?
... which seems to suggest that the file MIME type could be checked using javascript on client side. Now, I understand that the real validation still has to be done on server side. I want to perform a client side checking to avoid unnecessary wastage of server resource.
...
How to check version of python modules?
..."^Version: ", ""); print}'. You could probably get away with a simpler AWK script, but the aforementioned will be safer for any edge cases.
– Six
Oct 2 '15 at 12:09
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Best practice for Python assert
... when x become less than zero throughout the function. You can use class descriptors. Here is an example:
class LessThanZeroException(Exception):
pass
class variable(object):
def __init__(self, value=0):
self.__x = value
def __set__(self, obj, value):
if value < 0:
...