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How to model has two associations in rails
Say we want to model a transaction in rails between a buyer and seller which are represented as users in the system. How do you model that in activerecord? The short Basically we use the user model for...
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How to create static pages Rails
> rails g controller StaticPages home help --no-test-framework config/routes.rb root 'static_pages#home' get "static_pages/home" get "static_pages/help" app/controllers/static_pages_controller.rb...
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How to Install Capybara with RSpec Rails
Gemfile group :development, :test do gem 'sqlite3' gem 'rspec-rails', '2.13.1' end group :test do gem 'selenium-webdriver', '2.35.1' gem 'capybara', '2.1.0' end > bundle install > rails generate...
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How to create User Rails
As summary of notes take from Michael Haretl’s excellent tutorial http://www.railstutorial.org/book/_single-page#cha-modeling_users Create User > rails generate scaffold User name:string...
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How to Create Rails SignUp Page
Some notes from http://www.railstutorial.org/book/_single-page#cha-sign_up config/routes.rb match '/signup', to: 'users#new', via: 'get' end Gemfile group :test do gem 'selenium-webdriver', '2.35.1'...
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rvm management workflow
Here are some notes to remind me how to setup and flip between various ruby configurations. Ruby setup > rvm list (current versions of ruby installed locally) > rvm list known (all known...
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Rails generators cheat sheet
Cheat sheet for seeing what happens when you use rails generators. > rails g scaffold Foo foo_string:string foo_text:text foo_integer:integer foo_float:float foo_decimal:decimal...
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Ruby hashes & symbols
Some notes from Michael Hartl’s excellent Rails tutorial on the differences between Hashes, Symbols, and others stuff. https://www.railstutorial.org/book/_single-page#sec-other_data_structures Hashes...
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How to Rails nested layouts
Say you have several static but similarly designed web pages, but you don’t want to copy and paste all the same HTML again and again. Here is an example of two views, both static pages, the use nested...
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How to add a flash message to your Rails Twitter Bootstrap application
To get these nice Twitter Bootstrap alerts to show up in your Rails application Emit them from your Rails app like this. SomeController class SomeController < ApplicationController before_action...
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