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Mac上安装 HomeBrew 报错-443Connection refused curl: (7) Failed to connect to raw.githubusercontent.com port 443: Connection refused Warning: The Ruby Homebrew installer is now deprecated and has be...

新版Mac上IDE中无法获取环境变量的问题 Mac下为IDE或者应用设置环境变量 Eclipe环境变量 Android Studio环境变量 Mac OS X environment variables and SAP GUI for Java 添加环境变量 launchctl setenv variable “value” 删除环境变量 launchctl unsetenv va...

Mac上面grep命令使用正则匹配含有字符串A或B Mac 电脑 grep 命令支持正则表达式，过滤出字符串“abc”或“def” grep -E "(字符串A|字符串B)" 示例 例1： echo -e "abc32324\n123456\ndef6666" | grep -E "(abc|def)" 结果 $ echo -e "abc32324\n123456\ndef66...