Teach Me To Code » Screencasts

By Charles Max Wood

Technology Software How-To

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High quality videos demonstrating development in Ruby, Rails, Groovy, Grails, CSS, HTML, JQuery, and much more...

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Teach Me To Code » Screencasts episodes:

12.20.2012
My Podcasting Setup
My Equipment: Mackie PROFX12 12-Channel Compact Effects Mixer with USB Sony MDR7506 Professional Large Diaphragm Headphone Roland R-05 Studio WAVE/MP3 Recorder Transcend 32 GB Class 10 SDHC Flash Memory Card (TS32GSDHC10E) (for the Roland R-05) Griffin Technology iMic USB Audio Device Doctor Who TARDIS USB Hub...
12.09.2011
Upgrading JotRod to Rails 3.1.3
When preparing to add some layout features to JotRod, I realized it was a Rails 3.0.9 application. Here's a quick rundown on upgrading to Rails 3.1.3. Download 164.7 MB Download (iPod & iPhone) 37.9 MB Take the 2011 Readers Survey
12.03.2011
Followers and Following
In order to get someone a timeline in JotRod, we need followers and following lists to compile the Jots from. This means that we need to add a new ColumnFamily called Followers and another one called Following. We don't have...
11.09.2011
ActiveModel Callbacks
In the Jots (like tweets) in JotRod, I needed to generate a hash on creation as the key for the Jots. So, I determined that the easiest way to do that was to include ActiveModel Callbacks. The module is pretty simple...
10.14.2011
Model Generator
Here's an introduction to creating a Rails connector gem for an ORM with a model generator. Download 352.3 MB Download (iPod & iPhone) 84.7 MB Take the 2011 Readers Survey
09.16.2011
Introduction to Sandra: The Cassandra ORM
When I started playing with Cassandra, I wound up writing part of an ORM to get what I needed from it. I want to build actual projects with Rails, Ruby, or other technologies for my videos rather than just narrowly demonstrate...
08.02.2011
Ruby Koans
I’m working on another Cassandra demo, but didn’t have time to finish, so I decided to show you Ruby Koans. It’s a very interesting test-driven approach to learning Ruby. I hope you enjoy it. Download 52.5 MB Download (iPod & iPhone) 31.1...
07.24.2011
Cassandra Basic Schema and Ruby Gem
You can get cassandra at cassandra.apache.org and the ruby gem by running: gem install cassandra I did run into a problem with the trift_client gem when installing. If you get a Load Error, run this. sudo chmod 644 /usr/local/lib/ruby/gems/1.8/gems/thrift_client-0.6.3/lib/thrift_client/*.rb sudo chmod 755 /usr/local/lib/ruby/gems/1.8/gems/thrift_client-0.6.3/lib/thrift_client/connection Here are...
07.15.2011
Create a ‘Like’ or ‘+1′ button with make_flaggable
With the recent release of the Google Plus beta (ask me for an invite if you want one), I felt it appropriate to show a simple way to create a Like or +1 button for your Rails application. The app...
07.05.2011
Building a Star-Rating System in Ruby on Rails with jQuery
Specification Clicking a star rating turns on the stars to the left of the star I clicked. Clicking a star submits the star rating. When I refresh the page, the star ratings should be persistent. We’ll be using Rails’ functions including: form_for hidden_field Rails Helpers We’ll be using...
06.24.2011
Capistrano: Deploying Ruby on Rails Applications to Multiple Servers
For a basic deployment recipe, check out Basic Deployment with Capistrano This episode demonstrates how to extend deployment to deploy to stage and production. Overall it’s rather simple. All it entails is creating a new task for each stage you want...
06.03.2011
Polymorphism with Many-to-Many Associations – A Teach Me To Code Tutorial
Polymorphic associations are very simple, as are many-to-many associations. When you blend the two, it's not nearly as simple. Since there isn't a working build-in mechanism for many-to-many polymorphic associations. Here's a quick demo of what happens if you try to...
05.27.2011
Many to Many Associations in Ruby on Rails – A Teach Me To Code Tutorial
I had several requests in UserVoice to provide a Many to Many tutorial in Rails. This is a demonstration of how to put together a "has and belongs to many" association and a "has many through" association. This is somewhat basic...
05.23.2011
Acceptance Tests with RSpec and Capybara
On the Ruby Rogues podcast I mentioned that I had moved away from Cucumber to RSpec and Capybara for my integration tests. Here's a demo on how to do some TDD with RSpec and Capybara. Download 180.6 MB Download iPhone & iPod...
05.13.2011
CoffeeScript: The Cool Parts
CoffeeScript offers more than nice syntax for setting and managing data and functions. It also offers Classes, Inheritance, access to a 'super' method, Ruby-style string interpolation, easy variable and function bindings, and chained comparisons. Here's the code I showed in the...
05.07.2011
Rails 3.1 Beta – Sprockets, CoffeeScript, and JQuery – A Teach Me To Code Tutorial
Ruby on Rails 3.1 is moving to use Sprockets to compile CoffeeScript into JavaScript and include JQuery in it's JavaScript by default. This is a quick demo of how it all hangs together to manage your JavaScript in Rails 3.1. Download 65.7...
04.15.2011
CoffeeScript Basics – A Teach Me To Code Tutorial
CoffeeScript is now going to be a default installation with Ruby on Rails. So, I installed CoffeeScript and NodeJS and have been playing with it for the last hour or so. Here are the basics you need to know to use...
04.08.2011
Single Table Inheritance – Ruby on Rails Tutorial
Single Table Inheritance is a great way to handle related models that descend from the same class. The classic example is a Car class with Ford, Chevy, and Honda subclasses. This Ruby on Rails Tutorial provides an example and explains how...
03.25.2011
Compass, SASS, and the 960 Grid System – Delicious Clone
In preparing to show off SASS, I found the Compass system, which uses SASS and organizes your stylesheets in a unique way. In this tutorial, I walk you though installing compass, installing the 960 grid system, and organizing your SASS...
03.18.2011
Creating a Rake Task to Convert ERB to HAML
This is a basic demonstration of adding a rake task to Ruby on Rails. Some of the same principles apply to Rake in general. You also see how to call out to the command line and how to convert ERB...
03.03.2011
Creating Bookmarks – Delicious Clone
This is a basic implementation of creating bookmarks for our delicious clone using the Rails built in REST. I also found out that you need the haml-rails gem in order to get your views to generate in HAML. Download 255.3 MB Download (iPhone...
02.11.2011
CanCan: Setting Permissions – Delicious Clone
In this installment in the Delicious Clone, we use CanCan to set some permissions on the Bookmarks Controller. Next week, we'll finish the bookmark creation process and the following, we'll add styling with SASS. Download 133.9 MB Download (iPhone & iPod) 55.9...
02.10.2011
Faster Testing with Parallel Tests
Run your tests faster with parallel_tests gem using all the cores you have on your computer. Download Download (iPhone & iPod)
02.02.2011
Switching to HAML – Delicious Clone
This is a quick demonstration of how to switch your Rails 3 application to HAML from ERB.
01.21.2011
Setting Up And Testing Devise – Delicious Clone
Because I'm going to be testing in cucumber sections of the site that require a user to be logged in, I decided to get it out of the way. So, in this video, I write a cucumber feature to test...
01.14.2011
Rails 3.0.3 Setup – Delicious Clone
Here is what I've done to create this application: Use the 'rails new' command to create a rails application Set up the Gemfile Configure the Database Install Cucumber Install Rspec Install Devise Install CanCan Install jQuery Configure Devise Download (HD) 84.2 MB Download (iPod & iPhone) 47.4 MB
11.30.2010
How to Create a Countdown Timer with Javascript
This video demonstrates how to build a countdown timer with the setInterval function in Javascript, a text field, and jQuery to update your text field. Download 70.8 MB Download (iPhone & iPod) 40.6 MB
11.27.2010
Basic Deployment with Capistrano
Capistrano has been the most popular way to deploy Ruby and Rails applications for a long time. This video provides a quick demonstration of a basic recipe for deploying a Rails 3 application. I made this video a while ago and...
10.28.2010
Managing Branches with Git
I'm trying something new and using the YouTube player. Let me know if you see any differences. In this video, I demonstrate how to create, merge, and delete local and remote branches in Git. Git is a Source Control Management system written...
10.06.2010
OAuth with the Twitter Gem
Twitter just turned off Basic Auth and is forcing application developer to use OAuth. Here is a demonstration of how to add Twitter OAuth to your Ruby on Rails Application. Download 90.9 MB Download (iPod & iPhone) 45.6 MB
09.24.2010
Faking Sinatra with Rack and Metaprogramming
Sinatra has a really nice DSL. You can fake the basics of the DSL with some simple Rack middleware created by metaprogramming. If you like the screencasts, please give $5 to help me get to RubyConf Download (64.2 MB) Download iPhone &...
08.27.2010
Rack Basics
Rack is the basis for most major web frameworks in Ruby (like Ruby on Rails.) This video gives a basic overview on how it is used and what features make it a powerful component for Ruby Web Frameworks Download 36 MB Download...
08.10.2010
Rails 3 – Build a Blog – Part 3: Edit and Delete CRUD
This is the continuation of the Rails 3 Build a Blog series. This episode includes implementation of the Edit and Destroy methods on the Posts Controller. There are a lot of things left to cover on Rails 3, but this...
08.06.2010
Rails 3 Documentation: Generate Your Own
In this screencast, I show you how to generate the api and guides for offline viewing. Download 28MB Download iPhone/iPod 7MB
07.27.2010
Upgrading Rails 3.0 Beta4 to Rails 3.0 Release Candidate
This video goes over some issues that popped up while upgrading a Rails 3 application to the Release Candidate This video goes over some issues that popped up while upgrading a Rails 3 application to the Release Candidate. Download 131 MB Download (iphone...
07.16.2010
Ruby’s Enumerable Module: The Inject Method
Quick Ruby Tip: The inject method is useful for aggregating data across a dataset. For example a summation could be done with inject (by aggregating each number into the sum.) Download 49.1 MB Download (iphone & ipod) 7.6 MB
06.30.2010
Rails 3 – Building a Blog – Part 2: CRUD Show and Create
The second part of the tutorial for building a blog with Ruby on Rails version 3. We demonstrate how to set up some basic routes, manage the controller and views, and create a basic form for creating posts. Download 161.4 MB Download...
06.22.2010
Rails 3 – Building a Blog – Part 1: Test Setup & Generators
Every good project needs a good setup. In this episode, I set up a github repo, create a new rails application, hook in Cucumber and Rspec, write a Cucumber feature, and write the code to make it pass. Download 142 MB Download...
06.03.2010
RSpec Matchers
RSpec gives us many powerful tools to make our tests readable. Matchers allow us to provide custom predicates to our should statements that succinctly define the behavior of our code. Download 27 MB Download (iphone & ipod) 14 MB
05.27.2010
Ruby Method Name with Spaces
This is an introduction to Ruby metaprogramming where I cover two different ways to define a method. The idea actually started as a joke, but there are valuable lessons to be learned here. Download 11.2 MB Download (iphone & ipod) 4.9...
05.18.2010
Shoulda on Rails
Shoulda is a framework that sits on top of Test::Unit and adds a ton of nice features like macro's, nested context, and the ability to create custom tests in a block-based DSL. Download 160.2 MB Download (iphone & ipod) 71.9 MB
05.05.2010
RSpec Subjects
RSpec provides an extremely concise way of representing simple tests to be called on new instances of a class or on explicitly defined receiver objects. You can do this by using 'subjects' either as defined by the 'describe' or the...
04.20.2010
Code Metrics with Metric Fu
Maintainability of your code can be measured in many different ways. Jake Scruggs has combined several of the tools that measure you code into one Ruby Gem: metric_fu. Here's a demonstration. Go check it out! Download 116.1 MB Download (iphone & ipod)...
04.13.2010
Ruby’s Percent Functions
Ruby uses special characters to define certain data types. If you wish to use these characters in your data types, you need to escape them or use percent functions. Percent functions are much simpler. Download 35.8 MB Download (iphone & ipod) 14.7 MB
04.06.2010
Nested Forms With JQuery
Ruby on Rails allows you to nest models within a form. Ryan Bates of Railscasts demonstrated how to set up these forms with JavaScript using the Prototype framework, which ships with Rails. In this episode, Charles Max Wood gives a...
03.23.2010
RVM – Ruby Version Manager
RVM is a program that allows you to install and manage multiple versions of Ruby and Gems. This setup is ideal for testing your application or gem (library) against multiple versions of Ruby.Also, if you're looking into Rails 3 on...
03.10.2010
Gem Bundler
Loading multiple Ruby Gems can result in runtime errors when an incompatible version of a gem dependency is already loaded as a dependency of another gem.Gem bundler can also pre-load and cache gems for faster loading. Having two gems that require...
03.02.2010
Skinning in Grails
In this screencast, I cover how to use custom Grails configurations along with filters to enable url-based site skins. Download 98.7 MB Download (iphone & ipod) 47.8 MB
02.17.2010
Ruby Essentials – Strings, Arrays and Hashes
Are you new to Ruby and want to get a head start? In this screencast, I discuss some of the most common methods and techniques that have to do with strings, arrays and hashes. This is also excellent for...
02.08.2010
Introduction to Grails – Part 2
In this screencast, we continue on our task of creating a 'Stack Overflow' clone by adding more domain classes and relationships between them. We also cover how to test your classes using integration tests. Download 230.7 MB Download (iphone & ipod)...

What's Teach Me To Code » Screencasts about?

Download our free app to listen on your phone

Teach Me To Code » Screencasts episodes:

My Podcasting Setup

Upgrading JotRod to Rails 3.1.3

Followers and Following

ActiveModel Callbacks

Model Generator

Introduction to Sandra: The Cassandra ORM

Ruby Koans

Cassandra Basic Schema and Ruby Gem

Create a ‘Like’ or ‘+1′ button with make_flaggable

Building a Star-Rating System in Ruby on Rails with jQuery

Capistrano: Deploying Ruby on Rails Applications to Multiple Servers

Polymorphism with Many-to-Many Associations – A Teach Me To Code Tutorial

Many to Many Associations in Ruby on Rails – A Teach Me To Code Tutorial

Acceptance Tests with RSpec and Capybara

CoffeeScript: The Cool Parts

Rails 3.1 Beta – Sprockets, CoffeeScript, and JQuery – A Teach Me To Code Tutorial

CoffeeScript Basics – A Teach Me To Code Tutorial

Single Table Inheritance – Ruby on Rails Tutorial

Compass, SASS, and the 960 Grid System – Delicious Clone

Creating a Rake Task to Convert ERB to HAML

Creating Bookmarks – Delicious Clone

CanCan: Setting Permissions – Delicious Clone

Faster Testing with Parallel Tests

Switching to HAML – Delicious Clone

Setting Up And Testing Devise – Delicious Clone

Rails 3.0.3 Setup – Delicious Clone

How to Create a Countdown Timer with Javascript

Basic Deployment with Capistrano

Managing Branches with Git

OAuth with the Twitter Gem

Faking Sinatra with Rack and Metaprogramming

Rack Basics

Rails 3 – Build a Blog – Part 3: Edit and Delete CRUD

Rails 3 Documentation: Generate Your Own

Upgrading Rails 3.0 Beta4 to Rails 3.0 Release Candidate

Ruby’s Enumerable Module: The Inject Method

Rails 3 – Building a Blog – Part 2: CRUD Show and Create

Rails 3 – Building a Blog – Part 1: Test Setup & Generators

RSpec Matchers

Ruby Method Name with Spaces

Shoulda on Rails

RSpec Subjects

Code Metrics with Metric Fu

Ruby’s Percent Functions

Nested Forms With JQuery

RVM – Ruby Version Manager

Gem Bundler

Skinning in Grails

Ruby Essentials – Strings, Arrays and Hashes

Introduction to Grails – Part 2