Bahanix

add_column :users, :tags, :string, array: true, null: false, default: []
add_index :users, :tags, using: :gin

# Ceci ne fonctionnera pas :
User.where("users.tags @> ?", requested_tags)

# Faites ceci, même si requested_tags n'a qu'un item ou n'est pas un array.
User.where("users.tags @> ARRAY[?]", requested_tags)

# Si vous rencontrez cette erreur, faites ceci :

Bahanix

add_column :users, :tags, :string, array: true, default: []

Bahanix

# Simple :
# params[:user][:tags] = ["tag1", "tag2"]
user.update!(user_params)

# Ou encore :
user.tags = ["tag1", "tag2"]
user.save!

# Beau
def user_params

Bahanix

#!/bin/sh

STASH_NAME="$(git stash list | grep `git branch | grep \* | cut -d ' ' -f2` | head -n1 | cut -d':' -f1)"
if [ -n "$STASH_NAME" ]
then
  echo "Last stash on this branch:"
  git --no-pager stash show "$STASH_NAME" -p
  echo "To keep your stash list clean, consider using one of the followings:"
  echo "git stash pop \"$STASH_NAME\""
  echo "git stash drop \"$STASH_NAME\""

Bahanix

# Everything after the '#' character is a comment
# Run these lines in an interactive ruby interpreter (irb) to "feel" them

# Maths

9/2 == 4
9/2.0 == 4.5 # Same as 9.0/2 or 9.0/2.0 or 9.to_f/2

2**8 == 256