在多进程下使用python的logging模块,经常会遇到"另一个程序正在使用此文件,进程无法访问."的错误. 解决办法: https://github.com/Preston-Landers/concurrent-log-handler pip install concurrent-log-handler To use this module from a logging config file, use a handler entry like this: file: class:
一.跨控制器调用 UserController.class.php <?php namespace Home/Controller use Think/Controller class UserController extends Controller{ public function show(){ //TODO } } IndexController.class.php(方法一) <?php namespace Home/Controller use Think/Controller cl
错误提示:Error: Cannot create children for a parent that is in a different thread. 错误案例分析 新建SerialLink子线程,继承QThread,并重写它的run(),调用 start()函数时自动调用重载的run()函数.在主线程中创建SerialLink类的对象. 串口_port在SerialLink的头文件中定义,在_hardwareConnect()函数中初始化.在_connect()函数中调用start()函