ThinkPHP5 运行Workerman报错：Fatal error: Call to undefined function pcntl_signal()
环境：ubuntu1804、docker其它环境可参考此解决思路在tp5目录下安装完workerman后运行，出现报错如下：此错误是由于PHP缺少pcntl扩展造成的，因此需要安装相应扩展，我是docker环境，在容器内使用 docker-php-ext-install pcntl 执行安装，其他环境请使用各自环境PHP扩展安装方式进行安装：查看是否安装成功 php -m ，如图安装成功：再运行....
[异常解决] Keil安装好nRF51822开发环境，运行DEMO报错：Error：“GPIOTE_CONFIG_NUM_OF_LOW_POWER_ENVENTS” is undefined
1.问题描述 when compiling "ble_app_proximity" exampled by Nordic, it indicates errors: "D:\Program Files\MDK5\ARM\PACK\NordicSemiconductor\nRF_Drivers\3.0.0\gpiote\nrf_drv_gpiote.c(30): error: #20:...
![[异常解决] Keil安装好nRF51822开发环境，运行DEMO报错：Error：“GPIOTE_CONFIG_NUM_OF_LOW_POWER_ENVENTS” is undefined](https://ucc.alicdn.com/anqf53xdhh556/developer-article352663/20241017/9e3b36466dc5468e823e8b178c81da1a.png)
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