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Plotting time in Python with Matplotlib

... You must first convert your timestamps to Python datetime objects (use datetime.strptime). Then use date2num to convert the dates to matplotlib format. Plot the dates and values using plot_date: dates = matplotlib.dates.date2num(list_of_datetimes) matplotlib.pyplot...
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GPL and LGPL open source licensing restrictions [closed]

...to the software. The question of usage is a little more complicated. GNU/Linux is released under the GPL. Nothing forbids you to write software that runs under Linux regardless of the licence of your software. However, you cannot distribute Linux together with your software. That is often a proble...
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How do I update Node.js?

...Unfortunately that din't worked for me.. was doing exact as described on a Linux machine - 'node -v' before and after showed 'v0.10.5' – Michael Jul 20 '15 at 9:47 28 ...
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Python pandas Filtering out nan from a data selection of a column of strings

...new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f22551403%2fpython-pandas-filtering-out-nan-from-a-data-selection-of-a-column-of-strings%23new-answer', 'question_page'); } ); Post as a guest ...
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adding noise to a signal in python

...nt to add some random noise to some 100 bin signal that I am simulating in Python - to make it more realistic. 7 Answers ...
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Access multiple elements of list knowing their index

...aster than simply typing out the desired indexes inside parentheses, using Python 3.44 – ragardner Oct 16 '17 at 9:42 ...
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How can I convert an RGB image into grayscale in Python?

... @BluePython: LA mode has luminosity (brightness) and alpha. If you use LA mode, then greyscale.png will be an RGBA image with the alpha channel of image.png preserved. If you use L mode, then greyscale.png will be an RGB image (wi...
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How to dynamically compose an OR query filter in Django?

... I would debate that it is more pythonic to use the builtin OR and AND operators (| and &). q_objects |= Q(pk=item) – Bobort Aug 24 '16 at 15:46 ...
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Check if a string contains a number

... use str.isalpha() Ref: https://docs.python.org/2/library/stdtypes.html#str.isalpha Return true if all characters in the string are alphabetic and there is at least one character, false otherwise. ...
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Putting an if-elif-else statement on one line?

I have read the links below, but it doesn't address my question. Does Python have a ternary conditional operator? (the question is about condensing if-else statement to one line) ...