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What is the fastest way to check if a class has a function defined?

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How can I remove non-ASCII characters but leave periods and spaces using Python?

... If you need a string back (as I did because I needed this when doing list compression) then do this: ''.join(filter(lambda x: x in string.printable, s). – cjbarth Sep 5 '14 at 19:23 ...
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Can't install RMagick 2.13.1. Can't find MagickWand.h.

...rvm can't find the imagemagick directory. After reading https://superuser.com/questions/361435/i-have-compiled-imagemagick-on-my-centos-and-rmagick-wont-install I exported the imagemagick path by adding $ export PKG_CONFIG_PATH="/opt/local/lib/pkgconfig:$PKG_CONFIG_PATH" to my ~/.bash_profile, s...
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Hidden Features of Xcode 4

...ovide a nice visual grouping in the Xcode class dropdown list. Xcode 4 now combines these into a single #pragma mark - <name>. More on pragma mark. share edited Feb ...
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Why is vertical-align: middle not working on my span or div?

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How to split a file into equal parts, without breaking individual lines? [duplicate]

...all equal except for the last), without breaking the line? Using the split command in Unix, lines may be broken in half. Is there a way to, say, split up a file in 5 equal parts, but have it still only consist of whole lines (it's no problem if one of the files is a little larger or smaller)? I know...
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ssh remote host identification has changed

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Is calculating an MD5 hash less CPU intensive than SHA family functions?

...ava). All implementations are from the same author (me) and were made with comparable efforts at optimizations; thus the speed differences can be considered as really intrinsic to the functions. As a point of comparison, consider that a recent hard disk will run at about 100 MB/s, and anything over...
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Various ways to remove local Git changes

...e's link. But to attempt an answer: Hard reset git reset --hard [HEAD] completely remove all staged and unstaged changes to tracked files. I find myself often using hard resetting, when I'm like "just undo everything like if I had done a complete re-clone from the remote". In your case, where y...
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Delete with Join in MySQL

... edited May 23 '17 at 11:54 Community♦ 111 silver badge answered Nov 16 '10 at 9:51 YehosefYehosef ...