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上周工作上发生了一次"不可思议"的数据丢失问题，应该存在的数据却不见了，最后通过MySQL bin log 日志成功找了回来。之前只是

其实这两个概念并不难理解，只要明白了以下两个关键点就可以了： 除了init进程(进程号为1，从名字就能知道负责系统启动后的相关的初始化工作)外

如果要安装PHP，一般来说是直接下载已经编译好的二进制文件，在PHP文档中有各个平台的安装指导。但是如果想认真研究一下PHP，自己手动编译安

今天才知道 Git 可以设置全局的 gitignore, 通过全局设置gitignore ,可以省去很多重复配置。比如： 编辑器生成的配置文件 .idea/ .vscode 系统生成的无关文件 .DS_Store vim缓