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Easiest way to activate PHP and MySQL on Mac OS 10.6 (Snow Leopard), 10.7 (Lion), 10.8 (Mountain Lio
What is the easiest way to activate PHP and MySQL on Mac OS 10.6 (Snow Leopard), 10.7 (Lion), 10.8 (Mountain Lion)?
12 Answ...
App Inventor 2 中文网原创内容 · App Inventor 2 中文网
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基础知识
组件用法
技巧分享
问题解决
教程分享
App Inventor 2 中文网原创的技术文档，作品，技术文章，帖子，问答，技术指导，问题解决思路等。
基础知识
【连接调试】App Inventor 2 连接方式...
TCP 的那些事儿（下） - 更多技术 - 清泛网 - 专注C/C++及内核技术
... 算法
但是上面的这个算法在重传的时候会出有一个终极问题——你是用第一次发数据的时间和ack回来的时间做RTT样本值，还是用重传的时间和ACK回来的时间做RTT样本值？
这个问题无论你选那头都是按下葫芦起了瓢。 如下图所...
What is the difference between an interface and abstract class?
...hat you think they are.
In Java, this rule is strongly enforced, while in PHP, interfaces are abstract classes with no method declared.
In Python, abstract classes are more a programming trick you can get from the ABC module and is actually using metaclasses, and therefore classes. And interfaces ...
Send email using the GMail SMTP server from a PHP page
I am trying to send an email via GMail's SMTP server from a PHP page, but I get this error:
14 Answers
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How to specify in crontab by what user to run script? [closed]
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cron on *nix systems doesn't require a user to login in order to run the jobs specified in a specific user's crontab.
– Mike
Mar 30 '15 at 13:45
2
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How do you reindex an array in PHP?
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If you don't care about order you can also just sort($array);
– Peter M. Elias
Sep 4 '12 at 16:13
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Remove excess whitespace from within a string
...xtra whitespace for you - make sure you have "\" before "s" :) some online-php-testing pages remove it :)
– jave.web
Jul 3 '16 at 11:27
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LR性能指标解释 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...深入地分析网站上那些下载很慢的图形或中断的连接等有问题的
元素。
1、Web Page Breakdown（页面分解总图）
"页面分解"显示某一具体事务在测试过程的响应情况，进而分析相关的事务运行是否正常。
"页面分解"图可以按下面...
Manipulate a url string by adding GET parameters
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Basic method
$query = parse_url($url, PHP_URL_QUERY);
// Returns a string if the URL has parameters or NULL if not
if ($query) {
$url .= '&category=1';
} else {
$url .= '?category=1';
}
More advanced
$url = 'http://example.com/search?keyword=test&...