Use of eval in Python?
There is an eval() function in Python I stumbled upon while playing around. I cannot think of a case when this function is needed, except maybe as syntactic sugar. Can anyone give an example?
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Hide all warnings in ipython
I need to produce a screencast of an ipython session, and to avoid confusing viewers, I want to disable all warnings emitted by warnings.warn calls from different packages. Is there a way to configure the ipythonrc file to automatically disable all such warnings?
What is __future__ in Python used for and how/when to use it, and how it works
__future__ frequently appears in Python modules. I do not understand what __future__ is for and how/when to use it even after reading the Python’s __future__ doc.
Python regex match OR operator
I’m trying to match time formats in AM or PM.
Python Argument Binders
How can I bind arguments to a Python method to store a nullary functor for later invocation? Similar to C++’s boost::bind.
How does Python manage int and long?
Does anybody know how Python manage internally int and long types?
Consistently create same random numpy array
I am waiting for another developer to finish a piece of code that will return an np array of shape (100,2000) with values of either -1,0, or 1.
How do I get rid of Python Tkinter root window?
Do you know a smart way to hide or in any other way get rid of the root window that appears, opened by Tk()? I would like just to use a normal dialog.
How to get value counts for multiple columns at once in Pandas DataFrame?
Given a Pandas DataFrame that has multiple columns with categorical values (0 or 1), is it possible to conveniently get the value_counts for every column at the same time?
I don’t understand this python __del__ behaviour
Can someone explain why the following code behaves the way it does: