大约有 20,000 项符合查询结果（耗时：0.0236秒） [XML]
Lua简明教程 - 脚本技术 - 清泛IT论坛，有思想、有深度
...浮点数会慢（除非大于100,000,000,000,000），或是会有精度问题。你可以以如下的方式表示数字，0x开头的16进制和C是很像的。num = 1024
num = 3.0
num = 3.1416
num = 314.16e-2
num = 0.31416E1
num = 0xff
num = 0x56复制代码
字符串你可以用单引号，也...
How to minify php page html output?
...e just to speed things up, but rather because that's how HTML should be in order for things not to totally screw up, like inline block elements, but I'm also looking for one capable of ignoring things that need to have one space before or after (bold elements in a text block for example).
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修改centos字符集导致桌面进不去的一系列问题 - 更多技术 - 清泛网 - 专注C...
修改centos字符集导致桌面进不去的一系列问题为了使 WINDOWS–PL SQL-LINUX–ORACLE 的字符集一致怎么修改WINDOWS下的 PL SQL 字符集请参看http: user.qzone.qq.com 587...为了使 WINDOWS –PL/SQL-LINUX –ORACLE 的字符集一致
怎么修改WINDOW...
Cached, PHP generated Thumbnails load slowly
... cool tool cuzillion that could help you sort out things depending on your ordering of ressource loading.
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Discuz轻松生成sitemaps.xml网站地图 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...orum_thread')." a inner join ".DB::table('forum_forum')." b on a.fid=b.fid ORDER BY a.tid DESC LIMIT 0,10000");
while($threadfid = DB::fetch($querys))
{
$turl=$web_root.'thread-'.$threadfid['tid'].'-1-1.html';//注意静态规则
$link = $turl;
$t=time();
$riqi=date("Y-m-d",$t);
$priority=ran...
In php, is 0 treated as empty?
...aning of without value. Like the others said you'll have to use isset() in order to check if a variable has been defined, which is what you do.
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select count(*) from table of mysql in php
...
You need to alias the aggregate using the as keyword in order to call it from mysql_fetch_assoc
$result=mysql_query("SELECT count(*) as total from Students");
$data=mysql_fetch_assoc($result);
echo $data['total'];
...
Calling a function within a Class method?
...
In order to have a "function within a function", if I understand what you're asking, you need PHP 5.3, where you can take advantage of the new Closure feature.
So you could have:
public function newTest() {
$bigTest = funct...
App Inventor 2 离线版 - 免登录，离线用，一键启动，App开发so easy！
... 不妨试试我们的离线版，早已完美解决AI伴侣测试的各种问题。 技术支持：做您最坚强的后盾！ 不仅如此，您遇到的任何问题，或许我们早就有了解决方案。 ...
Are global variables in PHP considered bad practice? If so, why?
...se that global variable, and not only that, you have to figure out in what order those references to the global variable are accessed.
If you have a global variable in a piece of code it makes it difficult to isolate the functionality of that code. Why would you want to isolate functionality? So yo...