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怎么解决MQTT连接掉线，自动连接问题，同时解决，反复断开连接，断开连接问...
解决MQTT退出后台后掉线自动连接问题，现在可以实现自动连接，但是在返回控制界面的时候，反复断开反复链接，还有切换页面的时候返回也是同样的问题，还有连接一个服务器，需要每个页面单独设置MQTT连接吗，是不是可以...
How can I detect if the user is on localhost in PHP?
...y web application is on the server it resides on? If I remember correctly, PHPMyAdmin does something like this for security reasons.
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How to enable curl, installed Ubuntu LAMP stack?
...just tried, and you MUST restart the web server after using the command in order for it to work.
– FloatingRock
Jan 2 '14 at 19:00
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git diff two files on same branch, same commit
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You don't need git for that, just use diff fileA.php fileB.php (or vimdiff if you want side by side comparison)
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“date(): It is not safe to rely on the system's timezone settings…”
... This solve my problem! Just an info for the non-experts like me, in order to find the php.ini used by apache, just execute the following command php -i | grep php.ini.
– Joël Salamin
Sep 24 '14 at 20:15
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Generating a random password in php
I am trying to generate a random password in php.
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TCP 的那些事儿（上） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...些事儿（上）TCP是一个巨复杂的协议，因为他要解决很多问题，而这些问题又带出了很多子问题和阴暗面。所以学习TCP本身是个比较痛苦的过程，但对于学习的...
TCP是一个巨复杂的协议，因为他要解决很多问题，而这些问题又...
After array_filter(), how can I reset the keys to go in numerical order starting at 0
...2f3401850%2fafter-array-filter-how-can-i-reset-the-keys-to-go-in-numerical-order-starting%23new-answer', 'question_page');
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selecting unique values from a column
...se the DISTINCT operator in MySQL:
SELECT DISTINCT(Date) AS Date FROM buy ORDER BY Date DESC;
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Sanitizing strings to make them URL and filename safe?
...t's not clear whether this is the locale of the server or client. From the PHP docs:
A "word" character is any letter or digit or the underscore character, that is, any character which can be part of a Perl "word". The definition of letters and digits is controlled by PCRE's character tabl...