Jun Yin injune1123

## JIRA filter
project in (PRJ1, PRJ1) AND status in (Closed, Deployed, Done) AND created >= 2019-09-01 AND created <= 2019-12-31 AND assignee in (your user name) ORDER BY created DESC

## Postgresql Cheat Sheet
sudo su - postgres

create database #{DATABASE_NAME};


psql -U postgres

//list all dbs
postgres-# \l

## slack Cheatsheet
/giphy #caption "your gif caption here" some search text

/genie whoisoncall

## Rails Cheatsheet
rvm use

bundle install

bundle exec rake db:migrate

bundle exec rake jobs:work

? after a funcion mean it returns a boolean

## Git Command Cheat Sheet
Learning resources:
https://learngitbranching.js.org/

I stashed twice, what shall I do????!!!!
https://www.atlassian.com/git/tutorials/saving-changes/git-stash

$git stash list
$git stash apply stash@{n}

Switching remote URLs

## My vscode Cheat sheet
//My vscode extensions
live server

//key board short cuts
command + p
option click

## JS cheat sheet
//JS classes
classes are syntax sugars
classes get passed down
classes are not hoisted
two ways to define classes: class declarations and experssions

//straight functions vs classes
functions: hoisted, can be overwritten
classes: not hoisted, can be extended but not overwritten
classes are more like blueprints, which can have methods

## Java Cheat Sheet
//check the version of JAVA
java -version

// Switch to JAVA 8 on macOS High Sierra and Mojave
$export JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk1.8.0_161.jdk/Contents/Home/

## My terminal tricks
//============
//iterm
//============
download iterm
cmd+D splits the window horizontally
cmd+shift+D splits the window vertically

//Open Toolbelt
Profiles, Command History, Notes

## My shortcut Cheatsheet
use Ctl+Alt+Up (sublime vertical select )
	sudo su - postgres

	create database #{DATABASE_NAME};


	psql -U postgres

	//list all dbs
	postgres-# \l
	/giphy #caption "your gif caption here" some search text

	/genie whoisoncall
	rvm use

	bundle install

	bundle exec rake db:migrate

	bundle exec rake jobs:work

	? after a funcion mean it returns a boolean
	Learning resources:
	https://learngitbranching.js.org/

	I stashed twice, what shall I do????!!!!
	https://www.atlassian.com/git/tutorials/saving-changes/git-stash

	$git stash list
	$git stash apply stash@{n}

	Switching remote URLs
	//My vscode extensions
	live server

	//key board short cuts
	command + p
	option click
	//JS classes
	classes are syntax sugars
	classes get passed down
	classes are not hoisted
	two ways to define classes: class declarations and experssions

	//straight functions vs classes
	functions: hoisted, can be overwritten
	classes: not hoisted, can be extended but not overwritten
	classes are more like blueprints, which can have methods
	//check the version of JAVA
	java -version

	// Switch to JAVA 8 on macOS High Sierra and Mojave
	$export JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk1.8.0_161.jdk/Contents/Home/
	//============
	//iterm
	//============
	download iterm
	cmd+D splits the window horizontally
	cmd+shift+D splits the window vertically

	//Open Toolbelt
	Profiles, Command History, Notes