乱七八糟的mix

GET POST... in shell

just install libwww-perl package

 sudo apt install libwww-perl

U can use GET in shell for HTTP

linux下Java程序字体美化

In

~/.bashrc

add

-Dawt.useSystemAAFontSettings=on

Nutstore Startup

startup:

sh -c "nohup ~/.nutstore/dist/bin/nutstore-pydaemon.py >/dev/null 2>&1 &"

glxgears 老是60

In terminal run:

vblank_mode=0 glxgears 

opencv conpile Mat fail

When conpile, output error:

/tmp/ccoaA7tl.o: In function `cv::Mat::~Mat()':
test1.cpp:(.text._ZN2cv3MatD2Ev[_ZN2cv3MatD5Ev]+0x39): undefined reference to `cv::fastFree(void*)'
/tmp/ccoaA7tl.o: In function `cv::Mat::release()':
test1.cpp:(.text._ZN2cv3Mat7releaseEv[_ZN2cv3Mat7releaseEv]+0x47): undefined reference to `cv::Mat::deallocate()'
collect2: error: ld returned 1 exit status

do

g++ `pkg-config --cflags opencv` test1.cpp `pkg-config --libs opencv`

underscore is not displayed in URxvt terminal

添加设置:

URxvt.lineSpace: 1

解决/lib/libc.so.6: not found

For 64 bit:

sudo ln -s /lib64/x86_64-linux-gnu/libc-2.13.so /lib64/libc.so.6   

For 32 bit:

sudo ln -s /lib/i386-linux-gnu/libc-2.13.so /lib/libc.so.6 

VSCode设置单击打开新tab

VSCode 默认 单击文件是预览, 双击文件是用一个新的Tab打开。如果想关掉预览模式，单击打开文件，在设置里加入

"workbench.editor.enablePreview": false

这样单击文件就是直接用新Tab打开了。