大约有 40,000 项符合查询结果（耗时：0.0140秒） [XML]
Regular expression for letters, numbers and - _
... snippet to show how you can use this pattern:
<?php
$arr = array(
'screen123.css',
'screen-new-file.css',
'screen_new.js',
'screen new file.css'
);
foreach ($arr as $s) {
if (preg_match('/^[\w.-]*$/', $s)) {
print "$s is a match\n";
} else {
print "$s is NO match!!!\n";
...
CentOS+Nginx+PHP+MySQL详细配置(图解) - 更多技术 - 清泛网 - 专注C/C++及内核技术
...到的正则表达式，目的是让所装的软件支持正则表达式。默认情况下，Nginx只处理静态的网页请求，也就是html.如果是来自动态的网页请求，比如*.php，那么Nginx就要根据正则表达式查询路径，然后把*.PHP交给PHP去处理
#rpm -qa | grep...
How to prevent a background process from being stopped after closing SSH client in Linux
...
I would recommend using GNU Screen. It allows you to disconnect from the server while all of your processes continue to run. I don't know how I lived without it before I knew it existed.
...
What's the algorithm to calculate aspect ratio?
...And here's some complete HTML/Javascript which shows one way to detect the screen size and calculate the aspect ratio from that. This works in FF3, I'm unsure what support other browsers have for screen.width and screen.height.
<html><body>
<script type="text/javascript">
...
CentOS+Nginx+PHP+MySQL详细配置(图解) - PHP - 清泛IT论坛，有思想、有深度
...到的正则表达式，目的是让所装的软件支持正则表达式。默认情况下，Nginx只处理静态的网页请求，也就是html.如果是来自动态的网页请求，比如*.php，那么Nginx就要根据正则表达式查询路径，然后把*.PHP交给PHP去处理
#rpm -qa | grep...
Detect current device with UI_USER_INTERFACE_IDIOM() in Swift
...
so for the strict definition of the device can be used this code
struct ScreenSize
{
static let SCREEN_WIDTH = UIScreen.main.bounds.size.width
static let SCREEN_HEIGHT = UIScreen.main.bounds.size.height
static let SCREEN_MAX_LENGTH = max(ScreenSize.SCREEN_WIDTH, Scre...
Twitter API returns error 215, Bad Authentication Data
...timeline.json'; // api call path
$query = array( // query parameters
'screen_name' => 'twitterapi',
'count' => '5'
);
$oauth = array(
'oauth_consumer_key' => $consumer_key,
'oauth_token' => $token,
'oauth_nonce' => (string)mt_rand(), // a stronger nonce is recomm...
关于Rsyslogd 的一些配置 (高性能、高可用 rsyslogd) - C/C++ - 清泛网 - ...
...通过 PHP 的 syslog接口传输的。这样，因为rsyslog的新版本默认不期望丢弃任何数据，而rsyslog中的日志又传输不出去，导致了业务在写日志的时候“被”堵塞住了。
拿到rsyslog的配置后，发现仅有一些简单的关于传输逻辑的配置，...
Tokumx 副本集（集群）全攻略 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...集群）全攻略cacheSize：缓存数据占用内存大小。（不设置默认缓存会占满机器内存）oplogSize：那什么是oplog的大小？前面说过oplog保存了数据的操作记录 cacheSize：
缓存数据占用内存大小。（不设置默认缓存会占满机器内存）
...
PHP中9大缓存技术总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...
max_execution_time = 600 ; 每个PHP页面运行的最大时间值(秒)，默认30秒
max_input_time = 600 ; 每个PHP页面接收数据所需的最大时间，默认60
memory_limit = 128M ; 每个PHP页面所吃掉的最大内存，默认8M
9、Opcode缓存
我们知道，php的执行流程...