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How to sort a list/tuple of lists/tuples by the element at a given index?
... @Cemre as for the second example, sort here is a method of List object of Python, which receives a lambda function as its key parameter. You may name it as tup, or t, or whatever you like and it'll still work. tup here specifies index of the list's tuple, so 1 means that sorting will be performed b...
How can I extract the folder path from file path in Python?
...hould consider using pathlib for new development. It is in the stdlib for Python3.4, but available on PyPI for earlier versions. This library provides a more object-orented method to manipulate paths <opinion> and is much easier read and program with </opinion>.
>>> import pa...
Remove scroll bar track from ScrollView in Android
...ally) scrollable. So I've wrapped the WebView in a ScrollView in my layout XML, but no matter what I do I can't seem to be able to remove the scroll bar track from the right side of the scroll view. Even worse, I can't seem to be able to change the background colour of the scroll bar track.
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Ubuntu running `pip install` gives error 'The following required packages can not be built: * freety
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Why not directly use sudo apt-get install python-matplotlib as recommended here: matplotlib.org/users/installing.html
– Timo
Nov 8 '14 at 21:16
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How do you create nested dict in Python?
...y create a new key entry in the dict and cause a lot of havoc.
Here is a Python3 example with nested_dict module:
import nested_dict as nd
nest = nd.nested_dict()
nest['outer1']['inner1'] = 'v11'
nest['outer1']['inner2'] = 'v12'
print('original nested dict: \n', nest)
try:
nest['outer1']['wro...
How to save all the variables in the current python session?
I want to save all the variables in my current python environment. It seems one option is to use the 'pickle' module. However, I don't want to do this for 2 reasons:
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Using a dictionary to count the items in a list [duplicate]
I'm new to Python and I have a simple question, say I have a list of items:
8 Answers
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How can I make setuptools install a package that's not on PyPI?
...ted working with setuptools and virtualenv. My package requires the latest python-gearman that is only available from GitHub. The python-gearman version that's on PyPI is an old one. The Github source is setuptools-compatible, i.e. has setup.py, etc. Is there a way to make setuptools download and in...
Is there a library function for Root mean square error (RMSE) in python?
...u is unnecessary over-engineering. All these metrics are a single line of python code at most 2 inches long. The three metrics rmse, mse, rmd, and rms are at their core conceptually identical.
RMSE answers the question: "How similar, on average, are the numbers in list1 to list2?". The two lists...
How to achieve code folding effects in Emacs?
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I use the outline minor mode to fold my python code. Instead of needing to place {{{ and }}} as in folding mode, it uses where the block is defined.
http://www.gnu.org/software/emacs/manual/html_node/emacs/Outline-Mode.html
http://www.emacswiki.org/emacs/OutlineMi...