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What does “all” stand for in a makefile?
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answered Mar 25 '10 at 11:26
P ShvedP Shved
83.1k1414 gold badges113113 silver badges160160 bronze badges
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Is having an 'OR' in an INNER JOIN condition a bad idea?
...ed of an immensely slow query (several minutes on two tables with only ~50,000 rows each, on SQL Server 2008 if it matters), I narrowed down the problem to an OR in my inner join, as in:
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What's the difference between belongs_to and has_one?
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answered Sep 28 '10 at 0:53
ryeguyryeguy
58.7k4949 gold badges181181 silver badges254254 bronze badges
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How can I efficiently download a large file using Go?
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answered Jul 27 '12 at 17:50
Steve MSteve M
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Rails: create on has_one association
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edited May 9 '12 at 14:07
answered Oct 1 '10 at 13:59
se...
Validate uniqueness of multiple columns
...be patched?
– Alexey
Jul 16 '12 at 20:09
13
Alexey, validates_uniqueness_of [:user_id, :friend_id...
Difference between database and schema
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Mar 16 '11 at 10:11
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Removing a model in rails (reverse of “rails g model Title…”)
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answered Aug 18 '11 at 10:35
Mikhail NikalyukinMikhail Nikalyukin
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How do I remove the passphrase for the SSH key without having to create a new key?
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2034
Short answer:
$ ssh-keygen -p
This will then prompt you to enter the keyfile location, the ...
Run cron job only if it isn't already running
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#!/bin/sh
if ps -ef | grep -v grep | grep doctype.php ; then
exit 0
else
/home/user/bin/doctype.php >> /home/user/bin/spooler.log &
#mailing program
/home/user/bin/simplemail.php "Print spooler was not running... Restarted."
exit 0
fi
It runs ev...