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What does Python's eval() do?
In the book that I am reading on Python, it keeps using the code eval(input('blah'))
10 Answers
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What's the pythonic way to use getters and setters?
I'm doing it like:
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Is there a better way to express nested namespaces in C++ within the header
I switched from C++ to Java and C# and think the usage of namespaces/packages is much better there (well structured). Then I came back to C++ and tried to use namespaces the same way but the required syntax is horrible within the header file.
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Python multiprocessing pool.map for multiple arguments
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The answer to this is version- and situation-dependent. The most general answer for recent versions of Python (since 3.3) was first described below by J.F. Sebastian.1 It uses the Pool.starmap method, which accepts a sequence of argument tuples. It then automat...
Exiting from python Command Line
To exit from Python command line, I have to type exit(). If I type exit, it says
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Does Python have an ordered set?
... the Python 2 Documentation. This runs on Py2.6 or later and 3.0 or later without any modifications. The interface is almost exactly the same as a normal set, except that initialisation should be done with a list.
OrderedSet([1, 2, 3])
This is a MutableSet, so the signature for .union doesn't mat...
MIN and MAX in C
...(((X) < (Y)) ? (X) : (Y)), especially if you plan to deploy your code. Either write your own, use something like standard fmax or fmin, or fix the macro using GCC's typeof (you get typesafety bonus too) in a GCC statement expression:
#define max(a,b) \
({ __typeof__ (a) _a = (a); \
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What is __declspec and when do I need to use it?
...have seen instances of __declspec in the code that I am reading. What is it? And when would I need to use this construct?
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How do I use a Boolean in Python?
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if some_decision:
checker = True
if checker:
# some stuff
[Edit]
For more information: http://docs.python.org/library/functions.html#bool
Your code works too, since 1 is converted to True when necessary.
Actually Python didn't have a boolean type for a long time (as in old C), and so...
What's the difference between a Python module and a Python package?
...e file (or files) that are imported under one import" can you explain the situation where a module is more than one file? Or am I misreading what you mean?
– User
Dec 1 '13 at 11:01
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