StuffbyYuki

--Create a new user
CREATE USER 'usrname'@'localhost' IDENTIFIED BY 'password';

--Make sure your user is on here
select user from MySQl.user;

--Grand privillages
GRANT ALL PRIVILEGES ON * . * TO 'usrname'@'localhost';

StuffbyYuki

# move to a different directory
cd <yourDirectory> 
# show what's in the current directory
ls 
# show what's in the current directory with more details
ls -l 
# show what's in the current directory with more details - pretty much the same as above but show hidden files
ls -al 
# make a new directory
mkdir <newDirectoryName>

StuffbyYuki

ps -o etime= -p "your_pid" 

StuffbyYuki

# Waits for the process with the specified pid to exit. Once the the process exits, the assertion is also released.
# man caffeinate
caffeinate -w your_pid &

StuffbyYuki

# do this when you're normal mode.
# dd -> delete 1 current line
# 10dd -> delete 10 from the current line

StuffbyYuki

:w  # save
:wq  # save and exit
:q!  # exit
:u  # undo
:noh # delete highlights
:10,50s/^/#  # comment out 10 - 50 lines
:10,50s/^#  # uncomment 10 - 50 lines
:n or :next  # go to next file that's open
:prev or :N  # go to the previous file
:wn or :wnext  # save the current go to next

StuffbyYuki

git rm -rf --cached .
git add .

StuffbyYuki

" vi ~/.vimrc
filetype plugin indent on
" show existing tab with 4 spaces width
set tabstop=4
" when indenting with '>', use 4 spaces width
set shiftwidth=4
" On pressing tab, insert 4 spaces
set expandtab

StuffbyYuki

def clean_astring(self, string):
        """return a lower-cased string without any space"""
        return string.strip().replace(' ', '').lower()

StuffbyYuki

# Python accepts a comma at the end of your list/dict
# This is helpful when you define a list/dict vertically, helps you not forget to add a comma when adding a value
arr =[1, 
      2, 
      3,]

d = {1: 'a',
     2: 'b',
     3: 'c',}