injune1123

Keybase proof

I hereby claim:

• I am injune1123 on github.
• I am injune1123 (https://keybase.io/injune1123) on keybase.
• I have a public key ASDTnw94BeOrfECmNpM7dSdWhJnx78S7pT5fJfmeb_I5GAo

To claim this, I am signing this object:

injune1123

//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/

injune1123

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

injune1123

sudo su - postgres

create database #{DATABASE_NAME};


psql -U postgres

//list all dbs
postgres-# \l

injune1123

//fix ${NPM_TOKEN} error
get a new token from npm.org
add `export NPM_TOKEN="{token}` to `~/.bash_profile`

//test a single file using Jest and npm?
npm test -- SomeTestFileToRun

injune1123

mysql -u root

show databases;
// the default databases
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |

injune1123

//

injune1123

rvm use 

bundle install 

bundle exec rake db:migrate

bundle exec rake jobs:work

? after a funcion mean it returns a boolean

injune1123

use Ctl+Alt+Up (sublime vertical select )

injune1123

//============
//iterm 
//============
download iterm 
cmd+D splits the window horizontally
cmd+shift+D splits the window vertically

//Open Toolbelt
Profiles, Command History, Notes