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手把手教你用Strace诊断问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...CPU 排序。
在本例中大家很容易发现 CPU 主要是被若干个 PHP 进程占用了，同时 PHP 进程占用的比较多的内存，不过系统内存尚有结余，SWAP 也不严重，这并不是问题主因。
不过在 CPU 列表中能看到 CPU 主要消耗在内核态「sy」，...
-bash: phpize: command not found - 更多技术 - 清泛网 - 专注C/C++及内核技术
-bash: phpize: command not foundphpize是属于php-devel的内容，因此在centos中只要运行如下命令：yum install php-develphpize是属于php-devel的内容，因此在centos中只要运行如下命令：
yum install php-devel
phpize
优惠券批量生成及导入的思路 - 闲聊区 - 清泛IT论坛，有思想、有深度
...产生2个36进制随机数拼接起来，取前面的部分即可。一段PHP代码如下：<?php
function gen_coupon() {
do {
$m = mt_rand(0, PHP_INT_MAX);
$n = mt_rand(0, PHP_INT_MAX);
&nbs...
【解决】Linux：Call to undefined function curl_init() - 更多技术 - 清...
【解决】Linux：Call to undefined function curl_init() php_curl 安装curlsudo apt-get install php-curl 重启web服务器，搞定apachectl restart
#安装curl
sudo apt-get install php-curl
#重启web服务器，搞定
apachectl restart
linux php curl
How to join components of a path when you are constructing a URL in Python
...ng for a simple way to join them:
>>> url = 'https://api.foo.com/orders/bartag?spamStatus=awaiting_spam&page=1&pageSize=250'
Doing some looking around:
>>> split = urlparse.urlsplit(url)
>>> split
SplitResult(scheme='https', netloc='api.foo.com', path='/orders/...
Among $_REQUEST, $_GET and $_POST which one is the fastest?
...$_POST and $_COOKIE.
But it's only a default, which depends on variables_order ; and not sure you want to work with cookies.
If I had to choose, I would probably not use $_REQUEST, and I would choose $_GET or $_POST -- depending on what my application should do (i.e. one or the other, but not bot...
How to return result of a SELECT inside a function in PostgreSQL?
...pe = 'ALPHABETIC'
LIMIT _max_tokens
) t
GROUP BY t.txt
ORDER BY cnt DESC; -- potential ambiguity
END
$func$ LANGUAGE plpgsql;
Call:
SELECT * FROM word_frequency(123);
Explanation:
It is much more practical to explicitly define the return type than sim...
Object comparison in JavaScript [duplicate]
...d DOM nodes inside:
JSON.stringify(obj1) === JSON.stringify(obj2)
The ORDER of the properties IS IMPORTANT, so this method will return false for following objects:
x = {a: 1, b: 2};
y = {b: 2, a: 1};
2) Slow and more generic.
Compares objects without digging into prototypes, then compar...
How to find out which processes are using swap space in Linux?
...ho caused most pages to be swapped out.
For the first you may run top and order by swap (press 'Op'), for the latter you can run vmstat and look for non-zero entries for 'so'.
share
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improve this ...
How to shorten my conditional statements
...ilar to PHP), but that's just wishful thinking (Update: it now does. It's called includes. See above). Note that jQuery's inArray, while sharing PHP's method signature, actually mimics the native indexOf functionality (which is useful in different cases, if the index is what you're truly after).
Im...