tian_ciomp的博客

ubuntu 安装新软件后利用export设计PATH重启依旧有效方法安装qt和codeblock后，利用export命令设置PATH以及LD_LIBRARY_PATH变量，可以利用终端命令打开designer和codeblocks在终端里输入如下命令可以实现export PATH=$PATH:/usr/local/Qt5.4/5.4/gcc_64/bin/expo

ubuntu设置开机屏幕亮度ubuntu开机默认屏幕最亮，与关机前状态无关，一种办法可以将屏幕亮度设定为其他值在终端中输入：sudo gedit /ect/rc.local打开文件后，在exit 0前添加echo 50 > /sys/class/backlight/acpi_video0/brightness其中50就是你想设置的值，范围[0,100]，10

http://www.songyawei.cn/content/3479在ubuntu更新时，出现错误E: Some index files failed to download, they have been ignored, or old ones used insthttp://www.ilovn.com/topic/ubuntu-update-error-esome-i

1.01的365次方=37.78343433289 >>>1

1.01的365次方=37.78343433289 >>>1

1. The improted target "Qt5::Gui"    references the file "/use/lib/x86_64_linux_gun/libEGL.so"     but this file does not exist.solved:    delete linkage and recreate the linkage again.h