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Android代码优化小技巧 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...尽量避免创建不必要的对象，有下面一些例子来说明这个问题：
如果你需要返回一个String对象，并且你知道它最终会需要连接到一个StringBuffer，请修改你的实现方式，避免直接进行连接操作，应该采用创建一个临时对象来做...
what is faster: in_array or isset? [closed]
... {
$v = rand(1, 1000000);
$a[$v] = $v;
}
echo "Size: ", count($a), PHP_EOL;
$start = microtime( true );
for ($i = 0; $i < 10000; ++$i) {
isset($a[rand(1, 1000000)]);
}
$total_time = microtime( true ) - $start;
echo "Total time: ", number_format($total_time, 6), PHP_EOL;
$start = m...
Check to see if a string is serialized?
... unserialize raw user data since it can be used as an attack vector. OWASP:PHP_Object_Injection
– ArtBIT
Sep 1 '17 at 18:56
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show 5 more co...
How can I sort arrays and data in PHP?
How do I sort an array in PHP?
How do I sort a complex array in PHP?
How do I sort an array of objects in PHP?
12 Ans...
Laravel redirect back to original destination after login
...
in 5.1 it's in middleware RedirectIfAuthenticated.php: if ($this->auth->check()) { return redirect('/privatepage'); }
– Dave Driesmans
Jun 15 '15 at 11:40
...
How to validate phone numbers using regex
... phone number is 1' OR 1=1 -- PWNED. See xkcd.com/327 and owasp.org/index.php/Testing_for_SQL_Injection_(OWASP-DV-005)
– Aaron Newton
Sep 19 '13 at 8:31
...
Why check both isset() and !empty()
... @karim IMO empty is one of the most misunderstood functions in PHP. The tiny snippet about "no warning is generated" is very easy to overlook. I had to scan the documentation myself a few times to spot it to post it here.
– deceze♦
Dec 30 '10 at 4...
常用快速产品原型设计工具推荐 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... 从整个项目的角度讲，在原型的设计与沟通过程中发现问题并加以调整，将更有效地避免将问题留到视觉设计和开发流程中，有效提高开发效率。
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How can I return pivot table output in MySQL?
...ieve this can be found here: http://www.artfulsoftware.com/infotree/qrytip.php?id=78
I advise reading this post and adapt this solution to your needs.
Update
After the link above is currently not available any longer I feel obliged to provide some additional information for all of you searching f...
Checking for empty arrays: count vs empty
This question on ' How to tell if a PHP array is empty ' had me thinking of this question
12 Answers
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