For example, the rake gem has a 0.8.7 version (from May, 2009). Running Migrations for Production and Test Databases This Rakefile example will demonstrate how to create a task to run an IRB session with your models loaded and how to set up some basic migration tasks. As a Rails developer you're probably familiar with running "rake" to run your tests or maybe you've used "rake db:migrate" to run your migrations. /test: Location of test files. $ bin/rake db:migrate. Platforms are based on the CPU architecture, operating system type and sometimes the operating system version. Here’s an example: There are two advantages to doing this: 1. In addition to providing libraries of Ruby code, gems can also expose one or many executable files to your shell’s PATH. Ruby Tutorial. Rakefile: The Rake-file for libraries which use Rake for builds. Rake is a Ruby build program similar to Unix make program that Rails takes advantage of, to simplify the execution of complex tasks such as updating a database's structure etc. In this interactive tutorial you're going to learn Ruby and Ruby on Rails fundamentals by modifying a Craigslist clone. The benefit to using Rake over Make or similar, is that it is a Ruby tool and can interface with your RoR app natively, so Models, data constraints and business rules are all available for use. [packagename].gemspec: *.gemspec file, which has the name of the main directory, contains all package meta … Ruby on Rails Rake Tutorial (aka. No XML files to edit. Tasks and dependencies are specified in standard Ruby syntax. Ruby on Rails tutorial - learn Ruby on Rails - Ruby on Rails - Rake is Ruby make, a make-like language written in Ruby. Each gem has a name, version, and platform. If a block is given, upon command completion the block is called with an OK flag (true on a zero exit status) and a Process::Status object. Rails provide you an extensive library of AJAX functions. Rails uses Rake extensively, especially for the innumerable little administrative tasks necessary when developing database-backed web applications. Tags: Rake, Ruby. Directory containing the main Ruby application code (inc. modules). Rake Introduction. Rake is a Make-like program implemented in Ruby. But do you really understand what's going on under the hood of these Rake tasks? Another very useful one is prettify_json.rb, included with the JSON gem, which formats JSON in a readable manner (and is included with Ruby 1.9). Structure of a Gem. There is a major difference between Rake and the others, though. Using with Rake. Rake is a build tool written in Ruby, similar to make, Ant and Phing. ... Rails 5 provides you a feature which allows you to restart all your apps with the rake restart command. AJAX Library. Rails comes with a set of predefined Rake tasks that allow you to perform … Unpack the mystery behind what’s in a RubyGem. Rake has the following features: Rakefiles (rake's version of Makefiles) are completely defined in standard Ruby syntax. My eBook: “Memoirs of a Software Team Leader” Read more. Learn Ruby on Rails as You Modify a Craigslist Clone ... Rake is another gem that lots of Rails-related commands are run through. It's supposed to be that Ruby code doesn't need to be compiled, so it doesn't have to be rake. Rake means Ruby make, a code-building tool developed with Ruby. But why does Ruby need rake? With the multiple argument form your rake tasks are not vulnerable to users providing an argument like ; rm # -rf /. Customized URL. Probably the best known example of this is rake. You can create a Rakefile to make common tasks easy to run. Ruby Tutorial. 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