kviv / rails_training Goto Github PK

Welcome to training.

• A distributed version control system.
• You can edit code on the plane, commit it, test it and then merge it with everyone elses code when you land.

Messing with a git repository.

mkdir test
cd test
git init
echo "Hello world" > file.txt
git add .
git commit
echo "Hello world again" >> file.txt
git diff
git status
git add file.txt
git commit
git log
echo "Goodbye" >> file.txt
git diff
git status
git add file.txt
git commit
git log
git checkout <SHA OF COMMIT>
git checkout master
git log -p
git checkout -b test-branch
git checkout master

Make sure you play with creating a github repository.

bundle install
cp config/database.yml.sample config/database.yml

Update file with your config.

rake db:setup
rails server

Open http://localhost:3000/products

rails dbconsole

rails generate migration add_active_to_products

Add migration.

rake db:migrate

rake -T

List all rake tasks in the system that have a description.

• db:setup - setup the database from scratch
• db:reset - drop and recreate/setup the database from scratch
• routes - list all routes

Rake tasks go in lib/tasks.

rake db:seed

Make sure you write your seed files so that they can be re-run on a database and it won't add duplicate data.

Asset pipeline is a way for rails to combine, minify and compress your assets so that the user gets the fastest experience. It provides dependency management for asset files and provides simple tools that get run when you deploy your application.

rake assets:precompile

rails console

rails console production runs console using the production environment.

rails dbconsole

Update gem file.

rails generate rspec:install
mkdir spec/models
mkdir spec/controllers
rake db:test:prepare

Running specs

rspec