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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...
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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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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...
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Ubuntu running `pip install` gives error 'The following required packages can not be built: * freety

... 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 2 ...
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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...
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How to achieve code folding effects in Emacs?

... 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...
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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 use if/else in a dictionary comprehension?

Does there exist a way in Python 2.7+ to make something like the following? 4 Answers ...
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How to remove all characters after a specific character in python?

...l contain all of the original string. The partition function was added in Python 2.5. partition(...) S.partition(sep) -> (head, sep, tail) Searches for the separator sep in S, and returns the part before it, the separator itself, and the part after it. If the separator is not found, ...
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How do I download a tarball from GitHub using cURL?

... name you specify in switch --one-top-level="pi-ap". Just swap-out user f1linux and repo pi-ap in below example with your own details and Bob's your uncle: curl -L https://api.github.com/repos/f1linux/pi-ap/tarball | tar xzvf - --one-top-level="pi-ap" --strip-components 1 ...