set textwidth and reformat current file

:set textwidth=75

Select the lines of text you want to re-format:

v

Reformat it:

gq

e.g.

select all

g
v
G

reformat

gq

create & update cscope database

create:

$ cscope -Rb


update:

$ cscope -Rbq

then in vim
:cs reset

setup git send-email

perl -MCPAN -e shell

install IO::Socket::SSL


pacman -S perl-Authen-SASL


if using gmail set google
Less secure app access