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BLE（四）嗅探工具 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...gle稳定，经常会抓不到后面数据通信的网络包，不过这一问题应该是可以通过优化算法得到解决的，但需要对官方的固件进行逆向或自己根据Nordic公司提供的BLE协议栈重写代码。。
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How to get last key in an array?
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PHP's built-in functions were built by extreme nerds. Do not try to recreate those functions. The odds are that you make something far slower than the original. Unless you are some sort of evil wizard, of couse.
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How to use a switch case 'or' in PHP
Is there a way of using an 'OR' operator or equivalent in a PHP switch?
10 Answers
10
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Is there a MySQL option/feature to track history of changes to records?
...ess some comments in no particular order:
I did my own implementation in PHP that was a little more involved, and avoided some of the problems described in comments (having indexes transferred over, signifcantly. If you transfer over unique indexes to the history table, things will break. There ar...
PHP - add item to beginning of associative array [duplicate]
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@Timo Huovinen, array_merge didn't work because PHP converted your key to a number, and array_merge resets numeric keys.
– meustrus
Jan 24 '14 at 18:16
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Array copy values to keys in PHP [duplicate]
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$final_array = array_combine($a, $a);
http://php.net/array-combine
P.S.
* Be careful with similar values. For example:
array('one','two','one') may be problematic if converted like duplicate keys:
array('one'=>..,'two'=>..,'one'=>...)
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php create object without class [duplicate]
... ["property"]=>
string(10) "Here we go"
}
*/
Also as of PHP 5.4 you can get same output with:
$object = (object) ['property' => 'Here we go'];
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Get data from JSON file with PHP [duplicate]
I'm trying to get data from the following JSON file using PHP. I specifically want "temperatureMin" and "temperatureMax".
3...
PHP开源导航网站（114la）安装体验 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
PHP开源导航网站（114la）安装体验初入站长行列，做一个导航站门槛相对最低，但是我们该如何选择一套开源导航网站呢？这里笔者待大家体验一下目前算是比较有名气的114la推出的php开源网站源码。首先网上有很多高仿知名导...
PHP的函数前加上“@”的作用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
PHP的函数前加上“@”的作用@是PHP提供的错误信息屏蔽的专用符号。比如在一个函数前使用@@mysql_query 不会出现Warning，而原来mysql_query 在遇到错误时会在页面上访提示Warning。@是PHP提供的错误信息屏蔽的专用符号。
比如在一个函...