Ruby On Rails

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Feature Tests vs. Integration Tests vs. Unit Tests - Mix

Feature Tests vs. Integration Tests vs. Unit Tests - Mix Why are there so many different types of tests in Ruby on Rails and how are they different from one another?.

Ruby 2.5 added lazy proc allocation for block parameters

Ruby 2.5 added lazy proc allocation for block parameters Ruby 2.5 added lazy proc allocation for block parameters.

Do we need dependency injection in Ruby?

Do we need dependency injection in Ruby? What is Dependency Injection anyway? Do we need it at all in ruby? We'll go over a small example and review how being familiar with DI can lead to a better.

Ruby on Rails Code Audits: 8 Steps to Review Your App

Ruby on Rails Code Audits: 8 Steps to Review Your App Having been a member of the Ruby on Rails community for over 12 years, I’ve seen a lot of application code bases. In this article, I’m going to share eight items that we check on when we begin auditing a code.

Rebuilding Git in Ruby

Rebuilding Git in Ruby Git is a distributed version control system (DVCS) that we use every day to manage our code. It is a powerful tool but have you ever wondered how it works its magic? The Git internal docs can be intimidating, incomplete, and don’t have examples. D...

Writing a Unix Shell in Ruby

Writing a Unix Shell in Ruby It has to read input from STDIN, spawn processes requested from users, send signals to processes based on input, connect processes together with pipes, and provide a scripting environment for programmers to get work done.

Writing a Ruby Compiler From Scratch

Writing a Ruby Compiler From Scratch We build a small compiler out of the standard components: a tokenizer, a parser, and a code generator. By the end, we successfully compile some code in our language, producing JavaScript output that we can execute. Most compilers are highly optimi...

Building a simple websockets server from scratch in Ruby

Building a simple websockets server from scratch in Ruby What exactly are websockets? How do they work? In this post we're going to answer these questions by building a simple WebSocket server from scratch in.

How to write a template engine in less than 30 lines of code

How to write a template engine in less than 30 lines of code Template engines are really simple once you look inside.

InvoicePrinter 1.2 – Notes to self

InvoicePrinter 1.2 – Notes to self A new version of my Ruby gem for generating PDF invoices InvoicePrinter is out! This time bringing in a bundled server that can be handy for applications not running on Ruby.

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