[Rails] Learning with Rails tutorial

[Rails] Learning with Rails tutorial

Validate to limit the number of characters

***.rb


class *** < ApplicationRecord
  validates :Column name,length: { maximum: 140 },presence: true
end

Validate to limit postings left blank

***.rb


class *** < ApplicationRecord
  validates :Column name,presence: true
end

Recommended Posts

[Rails] Learning with Rails tutorial
Rails Tutorial Chapter 3 Learning
Rails Tutorial Chapter 4 Learning
Rails Tutorial Chapter 1 Learning
Rails Tutorial Chapter 2 Learning
rails tutorial
rails tutorial
rails tutorial
rails tutorial
rails tutorial
rails tutorial
rails tutorial
rails tutorial Chapter 6
Rails tutorial test
rails tutorial Chapter 1
Rails learning day 3
Rails tutorial memorandum 2
Rails learning day 4
rails tutorial Chapter 7
rails tutorial Chapter 5
rails tutorial Chapter 10
Rails learning day 2
rails tutorial Chapter 9
rails tutorial Chapter 8
Start Rails Tutorial
[Beginner] Rails Tutorial
rails learning day 1
Rails Tutorial 6th Edition Learning Summary Chapter 10
Rails Tutorial 6th Edition Learning Summary Chapter 4
Rails Tutorial 6th Edition Learning Summary Chapter 9
Rails Tutorial 6th Edition Learning Summary Chapter 6
Rails Tutorial 6th Edition Learning Summary Chapter 5
Rails Tutorial 6th Edition Learning Summary Chapter 2
Rails Tutorial Chapter 0: Preliminary Basic Knowledge Learning 5
Rails Tutorial 6th Edition Learning Summary Chapter 3
Rails Tutorial 6th Edition Learning Summary Chapter 8
I rewrote the Rails tutorial test with RSpec
Rails Tutorial Chapter 5 Notes
Rails Tutorial Chapter 10 Notes
Rails Tutorial Chapter 3 Notes
Rails Tutorial cheat sheet
Rails deploy with Docker
[Rails 6] RuntimeError with $ rails s
Rails learning day 2 part 2
Handle devise with Rails
Rails Tutorial Memorandum (Chapter 3, 3.1)
Rails learning day 1 part 3
[Rails] Test with RSpec
Rails learning day 3 part 2
[Rails] Development with MySQL
Rails Tutorial Chapter 4 Notes
Supports multilingualization with Rails!
Rails learning Day 1 Part 2
Rails Tutorial Chapter 8 Notes
Double polymorphic with Rails
rails tutorial fighting notes Ⅲ
Rails Tutorial Memorandum (Chapter 3, 3.3.2)
Ruby on rails learning record -2020.10.03
Introduced graph function with rails
[Rails] Express polymorphic with graphql-ruby
[Rails] Upload videos with Rails (ActiveStorage)