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How do you check in python whether a string contains only numbers?
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As pointed out in this comment How do you check in python whether a string contains only numbers? the isdigit() method is not totally accurate for this use case, because it returns True for some digit-like characters:
>>> "\u2070".isdigit() # unicode escaped 'supers...
How can I add items to an empty set in python
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Pickle or json?
...nteroperability requirements (e.g. you are just going to use the data with Python) and a binary format is fine, go with cPickle which gives you really fast Python object serialization.
If you want interoperability or you want a text format to store your data, go with JSON (or some other appropriate...
How can I access “static” class variables within class methods in Python?
If I have the following python code:
5 Answers
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Windows can't find the file on subprocess.call()
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This is strongly discouraged. docs.python.org/2/library/…
– nu everest
Feb 13 '16 at 15:18
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How do you do natural logs (e.g. “ln()”) with numpy in Python?
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Why is Go so slow (compared to Java)?
...hy apps at the scale of YouTube can afford to run many of their systems in Python.
– Sujoy Gupta
Sep 22 '16 at 22:00
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Underscore vs Double underscore with variables and methods [duplicate]
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single_trailing_underscore_: used by convention to avoid conflicts with Python keyword, e.g.
Tkinter.Toplevel(master, class_='ClassName')
__double_leading_underscore: when naming a class attribute, invokes name
mangling (inside class FooBar, __boo becomes _FooBar__boo; see below).
__...
Matplotlib connect scatterplot points with line - Python
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Using pickle.dump - TypeError: must be str, not bytes
I'm using python3.3 and I'm having a cryptic error when trying to pickle a simple dictionary.
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