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Having options in argparse with a dash
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ManyRelatedManager object is not iterable
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Fastest way to get the first object from a queryset in django?
...ust do the above and it will only pull the first. You could even use .order_by() to ensure you get the first you want.
Be sure to add the .get() or else you will get a QuerySet back and not an object.
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Printf width specifier to maintain precision of floating-point value
...be to print one seventh as in:
#include <float.h>
int Digs = DECIMAL_DIG;
double OneSeventh = 1.0/7.0;
printf("%.*e\n", Digs, OneSeventh);
// 1.428571428571428492127e-01
But let's dig deeper ...
Mathematically, the answer is "0.142857 142857 142857 ...", but we are using finite precision...
How to compile python script to binary executable
...
cx_Freeze is better, it supports even python 3.3.
– Ashwini Chaudhary
Sep 9 '12 at 14:03
...
Find the nth occurrence of substring in a string
... more Pythonic version of the straightforward iterative solution:
def find_nth(haystack, needle, n):
start = haystack.find(needle)
while start >= 0 and n > 1:
start = haystack.find(needle, start+len(needle))
n -= 1
return start
Example:
>>> find_nth("fo...
How well is Unicode supported in C++11?
... what std::string and its siblings should do:
The class template basic_string describes objects that can store a sequence consisting of a varying number of arbitrary char-like objects with the first element of the sequence at position zero.
Well, std::string does that just fine. Does that pro...
How to use PyCharm to debug Scrapy projects
... a virtualenv with Python 3.5.0 and setting the "script" parameter to /path_to_project_env/env/bin/scrapy solved the issue for me.
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Vim Regex Capture Groups [bau -> byau : ceu -> cyeu]
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How to customize ?
... type="file" style="display: none;">
</label>
For IE8 and below http://www.abeautifulsite.net/whipping-file-inputs-into-shape-with-bootstrap-3/
Source : https://stackoverflow.com/a/18164555/625952
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