Ruby On Rails

Tutorials

Ruby SDK for Checkout RESTful APIs

Ruby SDK for Checkout RESTful APIs Ruby SDK for Checkout RESTful APIs. Contribute to paypal/Checkout-Ruby-SDK development by creating an account on GitHub.Welcome to PayPal Ruby SDK. This repository contains PayPal's Ruby SDK and samples for v2/checkout/orders and v2/payments APIs....

Bulk insert support in Rails 6

Bulk insert support in Rails 6 All of these new methods allow inserting multiple records of the same model into the database. A single INSERT SQL query is prepared by these methods and a single sql statement is sent to the database without instantiating the model or invoking Ac...

How and when to add foreign key constraints

How and when to add foreign key constraints Quickly add foreign key constraints to improve database query performance.If a developer forgets to define a dependency option on a rails validation (e.g. has_many :users, dependent: :nullify), uses .

Regex in Ruby — A Brief Summary

Regex in Ruby — A Brief Summary RegExes in Ruby — A Brief SummaryThis is a brief overview of the Ruby class Regexp. However, regexes other languages (JavaScript, Python, etc) are similar.Regex, RegEx, or Regexp/ˈɹɛgɛks/(noun, verb).

Overcoming Ruby Error Messages

Overcoming Ruby Error Messages So you’re a Ruby beginner. You put on your coding gloves, turn on your computer, get ready to write your first code. You run your first test and boom.

Mastering data structures in Ruby — Circular linked lists

Mastering data structures in Ruby — Circular linked lists The defining factor for circular linked lists is that they allow us to traverse them infinitely. Since they had no tail, whenever a list reaches its “end” it wraps around and restarts from its head over and over again.Circular lists can be singly ...

Faking Method Inputs with OpenStruct feat. Kerri Miller

Faking Method Inputs with OpenStruct feat. Kerri Miller During my RubyTapas script review with upcoming guest chef Kerri Miller, we spent some time refactoring a method toward lower complexity. In the process we needed to isolate it from its dependencies, and we used Ruby's OpenStruct library to quickl...

Replace chromedriver-helper with webdrivers (a public service announcement)

Replace chromedriver-helper with webdrivers (a public service announcement) As the message suggests, if you need to test JavaScript within the confines of a Rails app, then webdrivers is how you’ll want to manage Selenium drivers. If you’ve purchased my Rails testing book, Everyday Rails Testing with RSpec, you can downlo...

My First Taste of Ruby Task Automation in 22 Lines

My First Taste of Ruby Task Automation in 22 Lines The few people who know my code know I'm focused mainly on the front-end: HTML, CSS, JavaScript (sadly), accessibility, and whatever else that bothers my coworkers. Virtually every time I went to a back-end language like Ruby, it was directly or i...

A Rails model test "hello world"

A Rails model test "hello world" What we’re going to do in this post is:Initialize a new Rails applicationInstall RSpec using the rspec-rails gemGenerate a User modelWrite a single test for that User modelThe test we’ll write will be a trivial one. The user will have both a first...

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