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“INSERT IGNORE” vs “INSERT … ON DUPLICATE KEY UPDATE”
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1003
I would recommend using INSERT...ON DUPLICATE KEY UPDATE.
If you use INSERT IGNORE, then the ...
How to make “if not true condition”?
...count) option to grep and then do if ! [ $(grep -c "sysa" /etc/passwd) -eq 0 ] ; then which works but is rather old school.
BUT, you could use the newest shell features (arithmetic evaluation) like
if ! (( $(grep -c "sysa" /etc/passwd) == 0 )) ; then ...`
which also gives you the benefit of usin...
How to test if a double is an integer
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maxhudmaxhud
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Calling a method every x minutes
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answered Oct 22 '12 at 20:39
asawyerasawyer
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Error handling in C code
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answered Dec 22 '08 at 11:01
Nils PipenbrinckNils Pipenbrinck
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How can I prevent the scrollbar overlaying content in IE10?
In IE10, the scrollbar is not always there... and when it appears it comes on as an overlay... It's a cool feature but I would like to turn it off for my specific website as it is a full screen application and my logos and menus are lost behind it.
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MySQL Orderby a number, Nulls last
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answered Nov 17 '11 at 20:43
JarredJarred
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CRON job to run on the last day of the month
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Possibly the easiest way is to simply do three separate jobs:
55 23 30 4,6,9,11 * myjob.sh
55 23 31 1,3,5,7,8,10,12 * myjob.sh
55 23 28 2 * myjob.sh
That will run on the 28th of February though, even on leap years so, if that's a problem, you'll need to find another way....
How to determine if binary tree is balanced?
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RBT
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answered Feb 1 '10 at 16:33
Eric LippertEric ...
How to make PowerShell tab completion work like Bash
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edited Jun 15 '16 at 15:40
answered Jun 9 '16 at 0:51
svic...