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Getting the count of unique values in a column in bash
... with several columns. I want to count the frequency of occurrence of the different values in a column for all the files in a folder and sort them in decreasing order of count (highest count first). How would I accomplish this in a Linux command line environment?
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Importing a GitHub project into Eclipse
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As mentioned in Alain Beauvois's answer, and now (Q4 2013) better explained in
Eclipse for GitHub
EGit 3.x manual (section "Starting from existing Git Repositories")
Eclipse with GitHub
EGit tutorial
Copy the URL from GitHub and select in Eclipse from the menu t...
Swift compiler error: “non-modular header inside framework module”
Now I would like to migrate my ObjC framework to Swift and I got the following error:
20 Answers
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Does Git publicly expose my e-mail address?
...ere in the repo except on the PR web page). If the PR was merged, I don't know any way to reverse the commits (if it is still open you can rebase and force push).
– D. A.
Mar 22 at 17:44
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How to use UIScrollView in Storyboard
...ould like to be able to lay it out for easy design on the storyboard.
I know it can be done programmatically but I really want to be able to see it visually. Every time I put a scroll view on a view controller it won't scroll. Is it possible to get it to work like I want or do I have to do it in t...
Different floating point result with optimization enabled - compiler bug?
...it extended precision internally, whereas double is normally 64-bit wide. Different optimization levels affect how often floating point values from CPU get saved into memory and thus rounded from 80-bit precision to 64-bit precision.
Use the -ffloat-store gcc option to get the same floating point r...
Remote debugging with Android emulator
...k configuration above, open Putty, go to Connection > SSH > Tunnels. Now add an entry with Source-port: 5556 and Destination: localhost:5554. Repeat the same with Source-port: 5557 and Destination: localhost:5555. Cheers!
– gsbabil
Jul 30 '13 at 16:54
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How do I convert an interval into a number of hours with postgres?
...you want integer i.e. number of days:
SELECT (EXTRACT(epoch FROM (SELECT (NOW() - '2014-08-02 08:10:56')))/86400)::int
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Error when trying to obtain a certificate: The specified item could not be found in the keychain
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It seems like OS X now defaults to the first item being selected now. If you just choose a different keychain (i.e System) when you generate this it should fix the issue.
– James Parker
Jan 20 '16 at 14:25...
scipy.misc module has no attribute imread?
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It should be Pillow instead of PIL now. Reference: pillow.readthedocs.org
– Yuchen Zhong
Nov 23 '14 at 23:45
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