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Determining type of an object in ruby
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answered Apr 2 '13 at 16:53
tadmantadman
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Difference between git checkout --track origin/branch and git checkout -b branch origin/branch
...ou would need git checkout -B abranch origin/abranch)
Note: with Git 2.23 (Q3 2019), that would use the new command git switch:
git switch -c <branch> --track <remote>/<branch>
If the branch exists in multiple remotes and one of them is named by the checkout.defaultRemote ...
Redirect STDERR / STDOUT of a process AFTER it's been started, using command line?
...ull", 0), 2)
detach
quit
e.g.:
$ tail -f /var/log/lastlog &
[1] 5636
$ ls -l /proc/5636/fd
total 0
lrwx------ 1 myuser myuser 64 Feb 27 07:36 0 -> /dev/pts/0
lrwx------ 1 myuser myuser 64 Feb 27 07:36 1 -> /dev/pts/0
lrwx------ 1 myuser myuser 64 Feb 27 07:36 2 -> /dev/pts/0
lr-x-...
What’s the difference between “Array()” and “[]” while declaring a JavaScript array?
...// c and d are arrays with 2 strings
// these are different:
e = [3] // e.length == 1, e[0] == 3
f = new Array(3), // f.length == 3, f[0] == undefined
;
Another difference is that when using new Array() you're able to set the size of the array, which affects the stack s...
Rebasing and what does one mean by rebasing pushed commits
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answered Apr 26 '10 at 16:37
Tim HeniganTim Henigan
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Programmatically retrieve memory usage on iPhone
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135
To get the actual bytes of memory that your application is using, you can do something like the...
How do I expire a PHP session after 30 minutes?
I need to keep a session alive for 30 minutes and then destroy it.
15 Answers
15
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How to fix a locale setting warning from Perl?
...Greg Bacon
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24
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Which is the correct shorthand - “regex” or “regexp” [closed]
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13 Answers
13
Active
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Selecting element by data attribute
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edited Feb 18 '16 at 16:30
Salvatorelab
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answer...