Expand vmware Mac OS disk

1. Expand disk size in vm setting, say to 60GB
2. Inside mac os guest, open disk utility 
3. Select  容器->My29GB - Data. (not My29GB)
4. click 分割 tab 
5. Keyin new size in 大小. The size should be less than 60GB as in step 1. 
6. click 套用
7. Done

 

Use rsync to ssh on custom port

rsync -auvzpP -e 'ssh -p 7922' Fuzzy/Literature/IntuitionisticFuzzyNumber/ chiao@kpcp4.au.edu.tw:/home/chiao/Fuzzy/Literature/IntuitionisticFuzzyNumber

LyX Mathematica with condition

 Put a condition follows the equation:

$Simplify\left[\sqrt{x^2},\left\{-1<x<0\right\}\right]=-x$

$\mathrm{ }$