大约有 47,000 项符合查询结果（耗时：0.0626秒） [XML]
fork() branches more than expected?
...llykwallyk
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12
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How to assign a Git SHA1's to a file without Git?
...SHA1 for a file (or, in Git terms, a "blob"):
sha1("blob " + filesize + "\0" + data)
So you can easily compute it yourself without having Git installed. Note that "\0" is the NULL-byte, not a two-character string.
For example, the hash of an empty file:
sha1("blob 0\0") = "e69de29bb2d1d6434b8b2...
How to get the clicked link's href with jquery?
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answered Apr 1 '11 at 0:38
DaffDaff
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if, elif, else statement issues in Bash
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460
There is a space missing between elif and [:
elif[ "$seconds" -gt 0 ]
should be
elif [ "$sec...
Linux/Unix command to determine if process is running?
...ps cax | grep command
The output on Gentoo Linux:
14484 ? S 0:00 apache2
14667 ? S 0:00 apache2
19620 ? Sl 0:00 apache2
21132 ? Ss 0:04 apache2
The output on OS X:
42582 ?? Z 0:00.00 (smbclient)
46529 ?? Z 0:00.00 (smbclient)
46539...
How to list npm user-installed packages?
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1305
This works pretty well too: npm list -g --depth=0
npm: the Node package manager command line ...
Programmatically obtain the Android API level of a device?
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107
You can obtain API level programatically by the system constant (Build.VERSION.SDK_INT). For ex...
Using jQuery to see if a div has a child with a certain class
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201
You can use the find function:
if($('#popup').find('p.filled-text').length !== 0)
// Do Stu...
Find the nth occurrence of substring in a string
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answered Dec 10 '09 at 21:26
bobincebobince
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How to avoid warning when introducing NAs by coercion
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answered Feb 20 '13 at 16:38
AndrieAndrie
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