大约有 13,800 项符合查询结果(耗时:0.0271秒) [XML]
Is it ever advantageous to use 'goto' in a language that supports loops and functions? If so, why?
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edited Jul 9 '12 at 13:05
Noctis Skytower
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a...
Fastest hash for non-cryptographic uses?
...9339a80
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++){
$x = crc32($str);
}
$tse = microtime(true);
echo "\n...
Interfaces — What's the point?
...out.
– Jamie Kitson
Jul 7 '16 at 17:05
4
Interfaces don't really come into their right until you ...
std::vector performance regression when enabling C++11
...sn ( +- 0.23% ) [87.66%]
37,366,375 branches # 1052.263 M/sec ( +- 0.48% ) [88.61%]
26,621 branch-misses # 0.07% of all branches ( +- 5.28% ) [83.26%]
0.035953916 seconds time elapsed
As for the reasons, ...
Equation (expression) parser with precedence?
...easy too.
– Giorgi
Sep 29 '10 at 21:05
4
A simplified version for the shunting-yard algorithm can...
What does “abstract over” mean?
...!
– Kris Nuttycombe
Jan 23 '11 at 5:05
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How to get UTF-8 working in Java webapps?
.../doc/refman/5.0/en/charset-syntax.html
http://cagan327.blogspot.com/2006/05/utf-8-encoding-fix-tomcat-jsp-etc.html
http://cagan327.blogspot.com/2006/05/utf-8-encoding-fix-for-mysql-tomcat.html
http://jeppesn.dk/utf-8.html
http://www.nabble.com/request-parameters-mishandle-utf-8-encoding-td18...
Select first row in each GROUP BY group?
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On Oracle 9.2+ (not 8i+ as originally stated), SQL Server 2005+, PostgreSQL 8.4+, DB2, Firebird 3.0+, Teradata, Sybase, Vertica:
WITH summary AS (
SELECT p.id,
p.customer,
p.total,
ROW_NUMBER() OVER(PARTITION BY p.customer
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Why is require_once so bad to use?
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answered Oct 12 '08 at 2:05
Edward Z. YangEdward Z. Yang
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Is calculating an MD5 hash less CPU intensive than SHA family functions?
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Gras Double
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answered Apr 27 '10 at 18:34
Thomas PorninThomas Pornin
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