Ruby on Rails

  1. Exclude Some Stylesheets in Rails 4

    Rails 4 uses asset pipeline to concatenate and minify or compress JavaScript and CSS assets. It creates a default app/assets/stylesheets/application.css file which contains these lines: /* *= require_self *= require_tree . */ The require_tree directive tells Sprockets to recursively include all CSS files in the specified directory into…
    on Ruby on Rails CSS - Comments

  2. Button Behavior Inside a Form

    A form is usually associated with a submit button. In Rails, you typically have a form specified as following: (if use form_for helper) <%= form_for(@meeting) do |f| %> <%= render "shared/error", :target => @meeting %> <div class="panel panel-default"> <…
    on Ruby on Rails HTML - Comments

  3. Set Up Cron Jobs in Rails

    Recently I came to a situation where I need to take an action based on time. For example, a web application helps organizing an event and 48 hours before its scheduled time, it'll send out a reminder email to all attendees. It's not triggered by view,…
    on Ruby on Rails - Comments

  4. Write a Helper Extension

    In Rails development, it comes often that you want to add/remove certain function that Rails pre-defined. For example, if you use Bootstrap 3, to have a form format correctly, each text_field needs to have class form-control. The best way to achieve that is to write a helper extension…
    on Ruby on Rails - Comments

  5. Some testing functions with MiniTest and Capybara

    I'm testing this piece of Rails HTML code and its click function: <tr> <td class="arrow-uped" id="tupa" onclick="send_vote()"> </td> <td rowspan="3" class="restname"> Chipotle </td&…
    on Ruby on Rails testing - Comments

  6. Rails Pluralize Function

    Rails pluralize function comes in handy when you need to differentiate "1 person" and "2 people" based on users count. You could just simply do: pluralize(users.count, 'person') If you don't want the number shows up, you could do: 'person&…
    on Ruby on Rails - Comments