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Math - mapping numbers
...Markus Dresch
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answered Dec 5 '08 at 21:28
PeterAllenWebbPeterAllenWebb
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Backup/Restore a dockerized PostgreSQL database
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491
Backup your databases
docker exec -t your-db-container pg_dumpall -c -U postgres > dump_`d...
Expansion of variables inside single quotes in a command in Bash
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edited Jun 19 '19 at 14:19
answered Dec 10 '12 at 14:00
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Tar a directory, but don't store full absolute paths in the archive
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408
tar -cjf site1.tar.bz2 -C /var/www/site1 .
In the above example, tar will change to director...
What is the rationale for fread/fwrite taking size and count as arguments?
...owerlord
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How to drop SQL default constraint without knowing its name?
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转：postfix安装Q&A - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ix安装Q&A 原文地址：http: bbs.chinaunix.net viewthread.php?tid=770141执照wangmingda老大的资料安装成功postfix（地址在这里http: www.extmail....
原文地址：http://bbs.chinaunix.net/viewthread.php?tid=770141
执照wangmingda老大的资料安...
get all keys set in memcached
... to get the slab ids:
stats items
STAT items:3:number 1
STAT items:3:age 498
STAT items:22:number 1
STAT items:22:age 498
END
The first number after ‘items’ is the slab id. Request a cache dump for each slab id, with a limit for the max number of keys to dump:
stats cachedump 3 100
ITEM vi...
What are the most-used vim commands/keypresses?
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edited Feb 20 at 7:04
answered Mar 23 '11 at 4:44
Gre...
How to uncheck checkbox using jQuery Uniform library
...ture to refresh a "uniformed" element.
Example: http://jsfiddle.net/r87NH/4/
$("input:checkbox").uniform();
$("body").on("click", "#check1", function () {
var two = $("#check2").attr("checked", this.checked);
$.uniform.update(two);
});
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