大约有 42,000 项符合查询结果（耗时：0.0951秒） [XML]
How do I undo 'git add' before commit?
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genehackgenehack
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Real world use cases of bitwise operators [closed]
What are some real world use cases of the following bitwise operators?
41 Answers
41
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string sanitizer for filename
... and so on.
– Pekka
Jan 7 '10 at 17:11
15
True - but like I said: "For example".
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Is there a REAL performance difference between INT and VARCHAR primary keys?
... Tamlyn
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answered Dec 1 '08 at 21:47
Bill KarwinBill Karwin
437k77...
Fastest hash for non-cryptographic uses?
...sha1: 0.07331 417a9e5c9ac7c52e32727cfd25da99eca9339a80
xor: 0.65218 119
xor2: 0.29301 134217728
add: 0.57841 1105
And the code used to generate this is:
$loops = 100000;
$str = "ana are mere";
echo "<pre>";
$tss = microtime(true);
for($i=0; $i<$loops; $i++){
$x = ...
How to detect if a script is being sourced
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11
Unfortunately it's not guaranteed to work. If the user has set BASH_ENV, $_ at the top of the script will be the last command run from BAS...
Python's many ways of string formatting — are the older ones (going to be) deprecated?
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jsbuenojsbueno
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Design patterns or best practices for shell scripts [closed]
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edited Apr 11 '09 at 11:37
answered Apr 10 '09 at 22:14
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What is the purpose of backbone.js?
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CloudEdit: A Backbone.js Tutorial with Rails:
http://www.jamesyu.org/2011/01/27/cloudedit-a-backbone-js-tutorial-by-example/
http://www.jamesyu.org/2011/02/09/backbone.js-tutorial-with-rails-part-2/
p.s. There is also this wonderful Collection class that lets you deal with collections of model...
Does “git fetch --tags” include “git fetch”?
...vant.
To prevent confusion, remove this error message.
With Git 2.11+ (Q4 2016) git fetch is quicker.
See commit 5827a03 (13 Oct 2016) by Jeff King (peff).
(Merged by Junio C Hamano -- gitster -- in commit 9fcd144, 26 Oct 2016)
fetch: use "quick" has_sha1_file for tag following
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