Towards Faster Ruby Hash Tables

Hash tables are an important part of dynamic programming languages. They are widely used because of their flexibility, and their performance is important for the overall performance of numerous programs.

The Oldest Bug In Ruby - Why Rack::Timeout Might Hose your Server

The “bug” comes up in a few contexts. The problem comes when an error is raised from within an ensure block from another source. If you don’t know how that’s possible keep reading, otherwise skip the next section.

Turtles All The Way Down: Building Simple and Powerful Ruby DSLs

A Domain Specific Language (DSL) is a specialized way to clearly describe a problem domain. Ruby is a great language for creating DSLs because it lets developers decide how the language looks and is used

Introducing Webpacker

With the ever-changing JavaScript world, one important thing that has been lacking in Rails was support for proper bundling system for JavaScript assets, but soon this is going to change with the introduction of new Webpacker gem.

How to Cleanly Test Rails Rake Tasks with RSpec

When you need to test Rake tasks for a Rails app, its convenient to be able to write short, snappy specs.

The Software Engineer’s Essential Time Estimation Guide

A Product Manager friend of mine recently told me about problem she was having: “Software engineers can never estimate how long their projects will take. What can I do?” Two CEOs recently told me the same thing.

The Impact Github is Having on Your Software Career, Right Now…

Over the next 12–24 months — in other words, between 2018 and 2019 — how software developers are hired is going to change radically.

Code Refactoring Guidelines

n software engineering, “refactoring” source code means modifying it without changing its behaviour, and is sometimes informally referred to as “cleaning it up”. Refactoring neither fixes bugs nor adds new functionality, though it might precede either activity.

Rib: Ruby-Interactive-ruBy

Yet another interactive Ruby shell