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optional parameter in function

Posted by 夏泽民 Sep 23, 2020

https://blog.detectify.com/2019/09/05/how-we-tracked-down-a-memory-leak-in-one-of-our-go-microservices/

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解决 ln -s 软链接产生的Too many levels of symbolic links错误

Posted by 夏泽民 Sep 23, 2020

解决 ln -s 软链接产生的Too many levels of symbolic links错误 解决方法：在使用ln -s命令时，使用绝对路径取代相对路径，例如：

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array_merge

Posted by 夏泽民 Sep 23, 2020

array_merge 两个参数必须都是array，否则会返回null 即使是arrayObject也不行，必须getArrayCopy

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libfaketime

Posted by 夏泽民 Sep 22, 2020

https://github.com/wolfcw/libfaketime

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php 500

Posted by 夏泽民 Sep 22, 2020

$a=[‘a’=>124,’b’=>’23d’]; var_dump((string)$a);//Array,卡死 500 没有php－error var_dump(string($a));//php－error https://icocos.github.io/2018/12/25/PHP%E2%80%94%E2%80%94%E6%9C%8D%E5%8A%A1%E5%99%A8500%E9%94%99%E8%AF%AF%E6%80%BB%E7%BB%93/

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