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How do I validate a date string format in python?
...ncorrect data format, should be YYYY-MM-DD")
>>> validate('2003-12-23')
>>> validate('2003-12-32')
Traceback (most recent call last):
File "<pyshell#20>", line 1, in <module>
validate('2003-12-32')
File "<pyshell#18>", line 5, in validate
raise Valu...
How to pick a new color for each plotted line within a figure in matplotlib?
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matplotlib 1.5+
You can use axes.set_prop_cycle (example).
matplotlib 1.0-1.4
You can use axes.set_color_cycle (example).
matplotlib 0.x
You can use Axes.set_default_color_cycle.
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snprintf and Visual Studio 2010
I'm unfortunate enough to be stuck using VS 2010 for a project, and noticed the following code still doesn't build using the non-standards compliant compiler:
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LINQ with groupby and count
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412
After calling GroupBy, you get a series of groups IEnumerable<Grouping>, where each Group...
PHP: How to send HTTP response code?
...TP response line and lets you replace that with a custom one
header("HTTP/1.1 200 OK");
However, this requires special treatment for (Fast)CGI PHP:
$sapi_type = php_sapi_name();
if (substr($sapi_type, 0, 3) == 'cgi')
header("Status: 404 Not Found");
else
header("HTTP/1.1 404 Not Found");...
EC2 Can't resize volume after increasing size
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14 Answers
14
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How to use shared memory with Linux in C
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166
There are two approaches: shmget and mmap. I'll talk about mmap, since it's more modern and fl...
Understanding the Event Loop
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1: If we are talking about a single-threaded application, then what processes setTimeouts while JS engine accepts more requests and executes them? Isn't that single thread will continue working on other requests? Then who is ...
How do I convert a double into a string in C++?
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17 Answers
17
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