francois-blanchard

Disable button with ActionView helper

It's simple

Just have to add disable_with param like this :data => { disable_with: false }

submit_tag "Complete sale", data: { disable_with: "Submitting..." }
# => <input name="commit" data-disable-with="Submitting..." type="submit" value="Complete sale" />

francois-blanchard

Get rails associations from console

Project::EventSponsor.reflect_on_all_associations.each do |reflection|
  puts ":#{reflection.macro} => :#{reflection.name}"
end

francois-blanchard

How to clean local branch git ? With git-sweep !

Install git-sweep

git-sweep it's a python library

Find documentation here

Use Pip to install :

francois-blanchard

scope for find no relation

class User < ActiveRecord::Base
  scope :without_tweet, -> { where.not(id: Tweet.select(:user_id).uniq) }
end

francois-blanchard

squash and commit

$ git checkout master
$ git merge --squash release_branch
$ git commit -m 'sprint #42'
$ git log
$ git push origin master

francois-blanchard

Presenters in Rails

Without presenter

View

<h1>@post.title</h1>
<span>@post.publication_status</span>

francois-blanchard

RSpec usage

Init for rails

1. Remove /test directory, it’s minitest
2. Install RSpec gem

# Gemfile

group :development , :test do

francois-blanchard

Scope for get objects with no association

class User < ActiveRecord::Base
  has_many :messages
  scope :without_messages, -> { where.not(id: Message.select(:user_id).uniq.compact) }
end

class Message < ActiveRecord::Base
 belongs_to :user

francois-blanchard

Excel to csv (gem roo)

documentation

class ExcelToCsv
  attr_accessor :input_path, :output_path, :col_sep

  def initialize(input_path:, output_path:, col_sep: ';')
 @input_path = input_path

francois-blanchard

Full search specific fields with sunspot (SOLR)

Doc

gem sunspot - all doc

Example

Class Post