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How to avoid explicit 'self' in Python?
...stion to remove python from it. I think that it belongs there. (and thanks for the answer!)
– bguiz
Nov 1 '10 at 3:25
3
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Using python's eval() vs. ast.literal_eval()?
...) came up as a possible solution. Now I have never had
to use eval() before but, I have come across plenty of information about the potential
danger it can cause. That said, I'm very wary about using it.
...
How to write a large buffer into a binary file in C++, fast?
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int main()
{
FILE* pFile;
pFile = fopen("file.binary", "wb");
for (unsigned long long j = 0; j < 1024; ++j){
//Some calculations to fill a[]
fwrite(a, 1, size*sizeof(unsigned long long), pFile);
}
fclose(pFile);
return 0;
}
I just timed 8GB in 36sec, whi...
What does pylint's “Too few public methods” message mean
...
+1 for "pylint doesn't know what's best" - use your own judgement but as a rule, if what you need is a "struct", use a dict or namedtuple. Use a class when you want to add some logic to your object (for example, you want stuff t...
Confused about __str__ on list in Python [duplicate]
...ting an object uses str(); printing a list containing an object uses str() for the list itself, but the implementation of list.__str__() calls repr() for the individual items.
So you should also overwrite __repr__(). A simple
__repr__ = __str__
at the end of the class body will do the trick.
...
How do you run your own code alongside Tkinter's event loop?
My little brother is just getting into programming, and for his Science Fair project, he's doing a simulation of a flock of birds in the sky. He's gotten most of his code written, and it works nicely, but the birds need to move every moment .
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Checking images for similarity with OpenCV
...d decades ago as a means to find picture simmilarities. The idea is that a forest will have a lot of green, and a human face a lot of pink, or whatever. So, if you compare two pictures with forests, you'll get some simmilarity between histograms, because you have a lot of green in both.
Downside: i...
Pythonic way to find maximum value and its index in a list?
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There are many options, for example:
import operator
index, value = max(enumerate(my_list), key=operator.itemgetter(1))
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filename and line number of python script
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Does using this method have any performance impact (like minor increase in run time or more CPU needed ) ?
– gsinha
Dec 14 '14 at 5:41
8
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Hashing a dictionary?
For caching purposes I need to generate a cache key from GET arguments which are present in a dict.
11 Answers
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