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Get unique values from a list in python [duplicate]

...t out. I will try to give a more deep explanation about how this works and what sorcery is happening here ;) So she first asked: I try to understand why unique = [used.append(x) for x in mylist if x not in used] is not working. Well it's actually working >>> used = [] >>>...
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How can I change the default Django date template format?

... I think this works only if date is provideded as a datetime object. What if it is just a string passed from the view? – Mohammed Shareef C Dec 13 '16 at 5:33 3 ...
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Why does changing the sum order returns a different result?

... Here's what's going on in binary. As we know, some floating-point values cannot be represented exactly in binary, even if they can be represented exactly in decimal. These 3 numbers are just examples of that fact. With this progr...
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How to plot two columns of a pandas data frame using points?

...y, there is plot method associated with the data-frames that seems to do what I need: 4 Answers ...
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Installing rmagick on Ubuntu

... On Ubuntu 15.04, what solved it for me was to remove all previous *magick installations, reinstall required packages and then symlink the config file: sudo apt-get purge graphicsmagick graphicsmagick-dbg imagemagick-common imagemagick imagem...
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Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell

...ation in any way: nicer, faster, more "native" to the language. That was what I answered above. The answer was 0) Use optimization via -O2 1) Use fast (notably: unbox-able) types when possible 2) rem not mod (a frequently forgotten optimization) and 3) worker/wrapper transformation (perha...
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Wait for a void async method

...ing for answers. Edit: I made some example code and decompiled it to see what is actually going on. static async void Test() { await Task.Delay(5000); } static async Task TestAsync() { await Task.Delay(5000); } Turns into (edit: I know that the body code is not here but in the statemac...
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PHP Pass variable to next page

... HTML / HTTP is stateless, in other words, what you did / saw on the previous page, is completely unconnected with the current page. Except if you use something like sessions, cookies or GET / POST variables. Sessions and cookies are quite easy to use, with session be...
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Associativity of “in” in Python?

... Dunno what version of Python generated this, but Python 3.2 apparently has a new bytecode: JUMP_IF_FALSE_OR_POP, which shortens the sequence by one instruction from 13 to 12. Cool answer - thanks!! – Dave ...
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Delete multiple remote branches in git

... {print $2}' | xargs -I {} git push origin :{} And don't forget to check what you are going to delete: git branch -r | awk -Forigin/ '/\/PATTERN/ {print $2}' USEFUL TIP: If your branch names (without origin/ prefix) stored in a text file (one branch name per line), just run: cat your_file.txt ...