大约有 37,000 项符合查询结果（耗时：0.0485秒） [XML]
Service and Characteristic are not published by the connected device -...
Service and Characteristic are not published by the connected device，报错如下：
问题原因：硬件/蓝牙芯片问题导致的，比如A硬件测试好的，换了B硬件没有修改uuid，就出现这个报错。
由于B硬件没有发布这些特征，就会报这个错误。
Only variables should be passed by reference
...file_name) cannot be turned into a reference. This is a restriction in the PHP language, that probably exists for simplicity reasons.
share
|
improve this answer
|
follow
...
How to set my phpmyadmin user session to not time out so quickly? [duplicate]
...
To increase the phpMyAdmin Session Timeout, open config.inc.php in the root phpMyAdmin directory and add this setting (anywhere).
$cfg['LoginCookieValidity'] = <your_new_timeout>;
Where <your_new_timeout> is some number larger...
RAW POST using cURL in PHP
How can I do a RAW POST in PHP using cURL?
2 Answers
2
...
How do I deep copy a DateTime object?
...
I haven't tested it actually, but it is mentioned at php.net that this is only aviable for PHP 5.3 and greater.
– hugo der hungrige
Feb 1 '13 at 1:02
...
Is there any difference between __DIR__ and dirname(__FILE__) in PHP?
...7)
But, there are at least two differences :
__DIR__ only exists with PHP >= 5.3
which is why dirname(__FILE__) is more widely used
__DIR__ is evaluated at compile-time, while dirname(__FILE__) means a function-call and is evaluated at execution-time
so, __DIR__ is (or, should be) faste...
phpmyadmin logs out after 1440 secs
In my local development Ubuntu box I use MySQL and phpmyadmin to work with the database.
24 Answers
...
isset() and empty() - what to use
... $var; (a variable declared, but without a value in a class)
From http://php.net/manual/en/function.empty.php
As mentioned in the comments the lack of warning is also important with empty()
PHP Manual says
empty() is the opposite of (boolean) var, except that no warning is
generated when...
How do you connect to multiple MySQL databases on a single webpage?
...a few databases and want to put all the information onto one webpage using PHP. I was wondering how I can connect to multiple databases on a single PHP webpage.
...
How can I use PHP to dynamically publish an ical file to be read by Google Calendar?
Any Google search on PHP ical just brings up phpicalendar and how to parse or read IN ical files. I just want to write a PHP file that pulls events from my database and writes them out in ical format.
...