Popular lifehacks

What is require bundler setup?

What is require bundler setup?

require ‘rubygems’ require ‘bundler/setup’ This will automatically discover your Gemfile , and make all of the gems in your Gemfile available to Ruby (in technical terms, it puts the gems “on the load path”). You can think of it as an adding some extra powers to require ‘rubygems’ .

Why you should always use Sinatra instead of rails?

Sinatra is much more lightweight, needs less resources, and does fewer things out of the box. Rails on the other hand is packed with features, comes with a ton of code, and makes it very easy to build complicated web applications in limited time, if you know how to use it.

How do you set up a bundler?

Setting up Bundler

  1. Open a terminal window and run the following command:
  2. Navigate to your project root directory.
  3. Install all of the required gems from your specified sources:
  4. Inside your app, load up the bundled environment:
  5. Run an executable that comes with a gem in your bundle:

How do I set up my Sinatra app?

How to Build a Sinatra Web App in 10 Steps

  1. Have a clear idea of what you want to create and what it’ll look like.
  2. Create your project folder.
  3. Create your config folder and environment file.
  4. Make the most important file of your App: config.ru.
  5. Create an application controller.
  6. Make a Rakefile.
  7. Add your Models.

Is bundler part of Ruby?

0preview3, Bundler is part of core Ruby.

When should I take Sinatra?

David goes on to point out a general rule of thumb for choosing whether to use Rails or Sinatra: If your app has 5-10 end points, there’s a real benefit to just rolling your own with Sinatra. Essentially if your entire controller structure can fit in a page or two of code, running it in a single file is great.

How do I run bundles?

With these three simple steps that every beginner should know to get your application up and running with bundler:

  1. Install (or update) bundler with the following command: $gem install bundler.
  2. Specify your dependencies in a Gemfile:
  3. Install all the gems Rails will need to get started: $bundle install.

How do I debug Sinatra?

To use this with your Sinatra app:

  1. Add the gem to your Gemfile gem “debugger”
  2. Install the gem by running bundle.
  3. In your main sinatra app file, add require ‘debugger’
  4. Now to debug, you just have to add the following line debugger.

What is a ruby Gemfile?

A Gemfile is a file we create which is used for describing gem dependencies for Ruby programs. A gem is a collection of Ruby code that we can extract into a “collection” which we can call later. It lets you specify which gems you want to use, and which versions of these gems to use.