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蓝牙客户端组件的接收字节用于判断的问题 - 创客硬件开发 - 清泛IT社区,为...

Q:这种格式对吗? A: 1、首先数字等于,后面要用数字,a0  是16进制的。 2、第二,a0  一般占一个字节,如果你确定发送来的是2个字节,才能使用双字节的接收方法。 参考中文文档:https://www.fu...
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串口Read不到数据的问题 - 用户反馈 - 清泛IT社区,为创新赋能!

用户发送的是 8n1 的格式,但是ai2的串口貌似不支持这种格式。写串口正常,读串口为空,len为0。 目前经过测试验证,应该是 \n 作为结束符的。发送时,也是。 ai2使用 physicaloid 库完成的串口功能。
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PHP expects T_PAAMAYIM_NEKUDOTAYIM?

...ember called $mouse, then foreach($cats as cat::$mouse) is perfectly valid php, but a statement with anything other than :: after the cat would be a syntax error. If $mouse were not a declared property of cat you would get a fatal error, but still not a syntax error. – chiliNUT...
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What is an abstract class in PHP?

What is an abstract class in PHP? 7 Answers 7 ...
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Mapping over values in a python dictionary

...e function the way you want (the name chosen in this answer is inspired by PHP's array_walk() function). Note: Neither the try-except block nor the return statements are mandatory for the functionality, they are there to further mimic the behavior of the PHP's array_walk. ...
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PHP file_get_contents() and setting request headers

With PHP, is it possible to send HTTP headers with file_get_contents() ? 7 Answers 7...
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How to clear APC cache entries?

...o clear all APC cache entries when I deploy a new version of the site. APC.php has a button for clearing all opcode caches, but I don't see buttons for clearing all User Entries, or all System Entries, or all Per-Directory Entries. ...
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continue processing php after sending http response

... Tip: I started using PHP-FPM, so I had to add fastcgi_finish_request() at the end – vcampitelli Sep 16 '15 at 13:18 ...
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Returning JSON from a PHP Script

I want to return JSON from a PHP script. 18 Answers 18 ...
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How to retrieve Request Payload

I'm using PHP , ExtJS and ajax store . 2 Answers 2 ...