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How can I use Homebrew to install both Python 2 and 3 on Mac?
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answered Sep 7 '13 at 8:20
moliwaremoliware
9,16833 gold badges3030 silver badges4545 bronze badges
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How to disable JavaScript in Chrome Developer Tools?
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20 Answers
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Active
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What is the best comment in source code you have ever encountered? [closed]
... community wiki
21 revs, 20 users 72%Jens Roland
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Grouping functions (tapply, by, aggregate) and the *apply family
...ss 2nd and 3rd dimension
apply(M, 1, sum)
# Result is one-dimensional
[1] 120 128 136 144
# Apply sum across each M[*, *, ] - i.e Sum across 3rd dimension
apply(M, c(1,2), sum)
# Result is two-dimensional
[,1] [,2] [,3] [,4]
[1,] 18 26 34 42
[2,] 20 28 36 44
[3,] 22 30 38...
What's the difference between URI.escape and CGI.escape?
...s/4967608/… where someone mentioned that cgi escape uses '+' instead of %20 for spaces, and that it's against the 'spec'...
– Louis Sayers
Jul 19 '12 at 11:24
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Escaping a forward slash in a regular expression
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edited Jul 24 '15 at 4:20
nhahtdh
51.7k1313 gold badges110110 silver badges146146 bronze badges
answe...
What are the benefits of learning Vim? [closed]
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I've been using vi and vim also for some 20 years, and I'm still learning new things.
David Rayner's Best of Vim Tips site is an excellent list, though it's probably more useful once you have some familiarity with vim.
I also want to mention the ViEmu site which h...
How to wait in bash for several subprocesses to finish and return exit code !=0 when any subprocess
...sing wait.
Run some processes:
$ sleep 10 &
$ sleep 10 &
$ sleep 20 &
$ sleep 20 &
Then wait for them with wait command:
$ wait < <(jobs -p)
Or just wait (without arguments) for all.
This will wait for all jobs in the background are completed.
If the -n option is suppl...
Get file name from URL
...d to manually handle URLs with parameters. E.g. "example.com/file.xml?date=2010-10-20"
– Luke Quinane
Aug 13 '13 at 5:14
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Making code internal but available for unit testing from other projects
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If you're using .NET, the InternalsVisibleTo assembly attribute allows you to create "friend" ...