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django: BooleanField, how to set the default value to true?
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edited Jun 2 '19 at 20:56
user8193706
33122 silver badges99 bronze badges
answered Mar 4 '11 at 6:29
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What does 'super' do in Python?
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What's the difference?
SomeBaseClass.__init__(self)
means to call SomeBaseClass's __init__. while
super(Child, self).__init__()
means to call a bound __init__ from the parent class that follows Child in the instance's Method Resolution Order (MRO).
If th...
How to assert two list contain the same elements in Python? [duplicate]
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163
As of Python 3.2 unittest.TestCase.assertItemsEqual(doc) has been replaced by unittest.TestCase...
Difference between passing array and array pointer into function in C
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First, some standardese:
6.7.5.3 Function declarators (including prototypes)
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7 A declaration of a parameter as ‘‘array of type’’ shall be adjusted to ‘‘qualified pointer to
type’’, where the type qualifiers (if any) are those spec...
Reading a huge .csv file
....7 with up to 1 million rows, and 200 columns (files range from 100mb to 1.6gb). I can do this (very slowly) for the files with under 300,000 rows, but once I go above that I get memory errors. My code looks like this:
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Get IP address of visitors using Flask for Python
...ing the Flask micro-framework (based on Werkzeug ) which uses Python (2.6 in my case).
10 Answers
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Temporarily disable auto_now / auto_now_add
...o_now field option
– NoamG
May 24 '16 at 12:44
@NoamG I think this is a rare case where this update() behaviour is exa...
How to check if a table contains an element in Lua?
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answered Feb 17 '10 at 16:44
interjayinterjay
93.6k1818 gold badges230230 silver badges230230 bronze badges
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What is the difference between “px”, “dip”, “dp” and “sp”?
...ased on the physical density of the screen. These units are relative to a 160
dpi screen, so one dp is one pixel on a 160 dpi screen. The ratio of
dp-to-pixel will change with the screen density, but not necessarily
in direct proportion. Note: The compiler accepts both "dip" and
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Getting a list of all subdirectories in the current directory
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642
Do you mean immediate subdirectories, or every directory right down the tree?
Either way, yo...