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How to extract numbers from a string in Python?
...me intensive numerical solver after all), the re module is in the standard Python library and it doesn't hurt to load it.
– Ioannis Filippidis
Apr 22 '14 at 7:27
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Ignore python multiple return value
Say I have a Python function that returns multiple values in a tuple:
11 Answers
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Sorting a Python list by two fields
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Python has a stable sort, so provided that performance isn't an issue the simplest way is to sort it by field 2 and then sort it again by field 1.
That will give you the result you want, the only catch is that if it is a big...
Developing GUIs in Python: Tkinter vs PyQt [closed]
If one wants to develop a user interface in Python, which one to go for: TkInter or PyQt?
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Adding a Method to an Existing Object Instance
... add a method to an existing object (i.e., not in the class definition) in Python.
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How do I check which version of NumPy I'm using?
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well, this works for most well-written python packages.
– fast tooth
Oct 23 '14 at 3:02
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How can I make a time delay in Python? [duplicate]
I would like to know how to put a time delay in a Python script.
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Converting XML to JSON using Python?
...e understanding of what you want to do with the results.
That being said, Python's standard library has several modules for parsing XML (including DOM, SAX, and ElementTree). As of Python 2.6, support for converting Python data structures to and from JSON is included in the json module.
So the in...
Python, remove all non-alphabet chars from string
I am writing a python MapReduce word count program. Problem is that there are many non-alphabet chars strewn about in the data, I have found this post Stripping everything but alphanumeric chars from a string in Python which shows a nice solution using regex, but I am not sure how to implement it
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What makes Lisp macros so special?
...(e.g. Infix Notation Math for Clojure).
Here is a more concrete example:Python has list comprehensions built into the language. This gives a simple syntax for a common case. The line
divisibleByTwo = [x for x in range(10) if x % 2 == 0]
yields a list containing all even numbers between 0 and ...