I have Hash where values of keys开发者_JAVA技巧 are other Hashes. Example: {\'key\' => {\'key2\' => {\'key3\' => \'value\'}}}
1、联想电脑同时按F开发者_Go百科N+空格键就可以开启键盘灯，再次按下即可调节键盘灯的亮度，连续按三次健盘即可关闭键盘灯。2、还可以进入Win10系统从开始菜单打开Lenovo Settings来开
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