大约有 30,000 项符合查询结果（耗时：0.0304秒） [XML]
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...
How to add a new row to an empty numpy array
Using standard Python arrays, I can do the following:
6 Answers
6
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MySql Table Insert if not exist otherwise update
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Active
Oldest
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How to use ADB to send touch events to device using sendevent command?
...DebugBridge, so that I can do some basic automation for UI tests. I have followed the discussion in LINK . I am able to use sendevent to simulate touch on emulators, but unable to do the same on a device.
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Python: how to print range a-z?
1. Print a-n: a b c d e f g h i j k l m n
17 Answers
17
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Entity framework linq query Include() multiple children entities
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answered Aug 30 '11 at 7:05
MerijnMerijn
55355 silver badges1515 bronze badges
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Using Python String Formatting with Lists
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– Paused until further notice.
Dec 8 '13 at 16:05
This answer is potentially confusing, as it makes it look like the numerical va...
Static link of shared library function in gcc
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http://linux.derkeiler.com/Newsgroups/comp.os.linux.development.apps/2004-05/0436.html
You need the static version of the library to link it.
A shared library is actually an executable in a special format
with entry points specified (and some sticky addressing issues
included). It does not have all...
How to make a great R reproducible example
When discussing performance with colleagues, teaching, sending a bug report or searching for guidance on mailing lists and here on Stack Overflow, a reproducible example is often asked and always helpful.
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How to prevent http file caching in Apache httpd (MAMP)
... Header set Pragma "no-cache"
Header set Expires "Wed, 11 Jan 1984 05:00:00 GMT"
</ifModule>
</filesMatch>
100% Prevent Files from being cached
This is similar to how google ads employ the header Cache-Control: private, x-gzip-ok="" > to prevent caching of ads by proxies a...