Categories
Customization Programming Ruby Tutorial

IRB Console with History and Logging

I spend most of my time working with IRB (Interactive Ruby) or Rails console. Over time, I've settled on a configuration that provides essential features like persistent command history, autocompletion, and Rails-specific logging. These improvements make the Ruby REPL much more productive for daily development work.

What is IRB?

IRB (Interactive Ruby) is Ruby's built-in REPL (Read-Eval-Print Loop) – an interactive shell for experimenting with Ruby code. It's invaluable for testing code snippets, debugging, and exploring APIs. When working with Rails, the Rails console is essentially IRB with your application's environment loaded.

Categories
CoffeeScript JavaScript Programming

Getting Started with CoffeeScript: JavaScript’s Better Half

Introduction

I love JavaScript, but let's be honest – the syntax can be clunky. Verbose function declarations, confusing this binding, lack of classes, awkward loops. JavaScript is powerful, but it could be prettier.

CoffeeScript addresses this. Created by Jeremy Ashkenas (of Backbone.js and Underscore.js fame), CoffeeScript is a language that compiles to JavaScript. It keeps JavaScript's good parts while fixing the annoying bits.

Categories
Cloud Deployment Heroku Ruby

Deploying Ruby Apps to Heroku: Git Push to Production

Introduction

Deploying web applications used to be painful. Set up a server, configure Apache, install dependencies, manage databases, worry about scaling. It was complex and time-consuming.

Heroku changes this. It's a cloud platform that runs your Ruby applications with minimal configuration. Deploy with git push. Scale with a slider. Focus on code, not infrastructure.

Categories
Emacs Programming Ruby on Rails

Can Your Editor Do This? Emacs for Rails Development

Here's a challenge for your Rails development environment: Can your editor run a web server inside itself, capture runtime errors as they happen, and automatically jump to the exact line of code that caused the problem?

If you're using TextMate, Vim without extensive configuration, or a basic text editor, the answer is probably no. But if you're using Emacs with Rinari, this is exactly what you get.