Hello World

Be Happy!

How to remove <none> docker images with rmi

#docker (22)

warning: remote HEAD refers to nonexistent ref

#git (12)

rails model belongs_to null able

#rails (33)

kill Rails process with find port number in macos

#macos (3) #rails (33)

Connect Rails Application To Existing Database

#rails (33) #mysql (5)

Can't connect to local MySQL server through socket

#rails (33) #docker (22) #mysql (5)

An error occurred while installing mysql2

#rails (33) #mysql (5)

extract id from array and input new array with pluck

#pluck (1) #rails (33)

rails generate migration file

#rails (33)

mongodb quick start with docker

#mongodb (2) #docker (22)

add .idea in gitignore

#git (12)

mongodb with docker-compose

#docker-compose (7) #mongodb (2)