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Get the name of the currently executing method
... the ':' is just the symbol symbol. :) just do __method__.to_s and it'll be the method name, nothing else
– Lambart
Sep 25 '13 at 23:39
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How do you calculate the average of a set of circular data? [closed]
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Compute unit vectors from the angles and take the angle of their average.
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Best practices for circular shift (rotate) operations in C++
Left and right shift operators (>) are already available in C++.
However, I couldn't find out how I could perform circular shift or rotate operations.
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Convert base-2 binary number string to int
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You use the built-in int function, and pass it the base of the input number, i.e. 2 for a binary number:
>>> int('11111111', 2)
255
Here is documentation for python2, and for python3.
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Import a module from a relative path
... of modules with your script. I use this in production in several products and works in many special scenarios like: scripts called from another directory or executed with python execute instead of opening a new interpreter.
import os, sys, inspect
# realpath() will make your script run, even if ...
How do exceptions work (behind the scenes) in c++
...ptions work behind the scenes, so I can make decisions of when to use them and whether they are slow.
7 Answers
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Creating C macro with ## and __LINE__ (token concatenation with positioning macro)
...m is that when you have a macro replacement, the preprocessor will only expand the macros recursively if neither the stringizing operator # nor the token-pasting operator ## are applied to it. So, you have to use some extra layers of indirection, you can use the token-pasting operator with a recurs...
How to make a cross-module variable?
The __debug__ variable is handy in part because it affects every module. If I want to create another variable that works the same way, how would I do it?
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How to watch for array changes?
...-based assignment? I want something that would fire an event that I could handle.
10 Answers
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Python “raise from” usage
What's the difference between raise and raise from in Python?
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