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Should I use `import os.path` or `import os`?
...ant to use rather than a thing in the os module, so even though it's not really a submodule of a package called os, I import it sort of like it is one and I always do import os.path. This is consistent with how os.path is documented.
Incidentally, this sort of structure leads to a lot of Python p...
File is universal (three slices), but it does not contain a(n) ARMv7-s slice error for static librar
...on. It removes the error, but you only get build for the current arch, not all on the market...
– esbenr
Mar 21 '13 at 9:57
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Is there a way to iterate over a range of integers?
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I don't think most people would call this three-expression version more simple than what @Vishnu wrote. Only perhaps after years and years of C or Java indoctrination ;-)
– Thomas Ahle
Jun 28 '14 at 21:06
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Divide a number by 3 without using *, /, +, -, % operators
...n which performs the desired operation. But it requires the + operator, so all you have left to do is to add the values with bit-operators:
// replaces the + operator
int add(int x, int y)
{
while (x) {
int t = (x & y) << 1;
y ^= x;
x = t;
}
return y;
}...
Should switch statements always contain a default clause?
...e back), I was told that it's good practice to include a default clause in all switch statements. I recently remembered this advice but can't remember what the justification was. It sounds fairly odd to me now.
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How to perform OR condition in django queryset?
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from django.db.models import Q
User.objects.filter(Q(income__gte=5000) | Q(income__isnull=True))
via Documentation
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C++ sorting and keeping track of indexes
... supply your original index vector, sort function, comparator, or automatically reorder v in the sort_indexes function using an extra vector.
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pip broke. how to fix DistributionNotFound error?
...s problem in my MacBook, the reason is because as @Stephan said, I use easy_install to install pip, and the mixture of both py package manage tools led to the pkg_resources.DistributionNotFound problem.
The resolve is:
easy_install --upgrade pip
Remember: just use one of the above tools to manag...
File Upload without Form
... using jQuery. The input tag is not inside any form tag. It stands individually. So I don't want to use jQuery plugins like 'ajaxForm' or 'ajaxSubmit'.
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Is It Possible to NSLog C Structs (Like CGRect or CGPoint)?
... With AppKit on OS X you would need to convert to an NSPoint and then call NSStringFromPoint. For example: NSStringFromPoint(NSPointFromCGPoint(point))
– Alex
Aug 22 '12 at 17:56
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