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Ruby on Rails: How can I revert a migration with rake db:migrate?
...ate subdirectories?
– tf.rz
Mar 28 '16 at 17:02
This is just for rails 3 onwards. My life is in rails 2. So sad
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What is the ultimate postal code and zip regex?
... dash and 3 more
– Jorge Campos
Oct 16 '15 at 2:28
^\d{5}(?:[-\s]\d{4})?$
– Aamir Afridi
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How do I shutdown, restart, or log off Windows via a bat file?
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1167
The most common ways to use the shutdown command are:
shutdown -s — Shuts down.
shutdown -...
Wolfram's Rule 34 in XKCD [closed]
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answered Nov 19 '08 at 16:08
Lucas OmanLucas Oman
14.4k22 gold badges4242 silver badges4545 bronze badges
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Converting from longitude\latitude to Cartesian coordinates
...d be 30 km :)
– MarkJ
Jul 27 '09 at 16:50
2
Checked out your link. The 0.5% quote is for error in...
How to Calculate Execution Time of a Code Snippet in C++
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/* Get the amount of 100 nano seconds intervals elapsed since January 1, 1601 (UTC) and copy it
* to a LARGE_INTEGER structure. */
GetSystemTimeAsFileTime(&ft);
li.LowPart = ft.dwLowDateTime;
li.HighPart = ft.dwHighDateTime;
uint64 ret = li.QuadPart;
ret -= 116444736000000000LL; /* Con...
Using LIMIT within GROUP BY to get N results per group?
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edited Oct 11 '15 at 16:29
answered Mar 23 '13 at 9:47
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Generate an integer that is not among four billion given ones
...r you to count how many numbers there are in the input file with any given 16-bit prefix, for all possible 16-bit prefixes in one pass through the input file. At least one of the buckets will have be hit less than 216 times. Do a second pass to find of which of the possible numbers in that bucket ar...
What are the differences between git branch, fork, fetch, merge, rebase and clone?
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answered Jul 25 '10 at 16:27
siridesiride
156k44 gold badges2929 silver badges5353 bronze badges
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How do I run msbuild from the command line using Windows SDK 7.1?
...ime of question it was deprecated info. msdn.microsoft.com/en-us/library/hh162058.aspx
– J. M. Becker
Sep 23 '16 at 22:13
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