davidpgero

davidpgero

  • 11 Courses Completed
  • 55 Levels Completed
  • 14 Screencasts Watched
  • 127,425 Total Points

Achievement Badges

Ruby: 8 Courses Completed

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Ruby Bits

Ruby Language

Learn the core bits every Ruby programmer should know. This Ruby tutorial builds upon the basics to keep enhancing your Ruby knowledge.

  • Expressions

    An overview of best practices for writing expressions in Ruby

  • Methods and Classes

    passing optional arguments, raising exceptions, using begin/rescue/end, attr_accessor vs. attr_reader

  • Classes

    Encapsulation, instance & private methods, inheritance, and refactoring

  • ActiveSupport

    Helpers that are built on top of the Ruby Language (arrays, dates, hashes, numbers, and strings

  • Modules

    Namespacing methods, Mixins vs. class inheritance, method hooks, ActiveSupport::Concern

  • Blocks

    Iterating and yielding, passing arguments, returning variables, Enumerable, and refactoring

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Rails for Zombies Redux

Getting Started With Ruby on Rails

Learn Ruby on Rails, an open-source framework for the Ruby programming language. Rails for Zombies will teach you all the Rails basics with a zombie flair.

  • Deep in the Crud

    How we work with a database in Rails by using Create, Read, Update, and Destroy (CRUD).

  • Models Taste Like Chicken

    We'll learn about ActiveRecord models, validations, and relationships.

  • The Views Ain't Always Pretty

    Get experience linking between views, using conditionals, and how to lookup documentation on common view helpers.

  • Controllers Must Be Eaten

    Sitting between our Models and Views are the Controllers, which use instance variables to keep our code organized.

  • Routing Into Darkness

    Learn how to direct requests to your app to the correct controller actions.

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Try Ruby

Getting Started With Ruby on Rails

Learn the basic building blocks of Ruby, all in the browser.

  • All For One, One For All

    Get an introduction to numbers, Strings, properties, and methods.

  • There Are Always Two

    Learn about conversions, arrays, variables, and more methods.

  • Third Time's The Charm

    Review printing, brackets, and String manipulation.

  • Fourth and Short

    Take a shot at method chaining, hashes, keys, and values.

  • The Highest of Fives

    Study up on blocks, directories, and method arguments.

  • Sixth Sense

    Start building methods, libraries, popups, and HTML with Ruby.

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Rails for Zombies 2

Getting Started With Ruby on Rails

Learn more Rails with this sequel to the infamous Rails for Zombies course. Increase your Ruby on Rails knowledge with even more zombie learning.

  • From the Ground Up

    Installing Rails, creating a Rails app, database migrations, the command line, Ruby 1.9 hash syntax, Bundler, database configuration

  • Models Still Taste Like Chicken

    Named scopes, callbacks, has_one, relationship options, using Includes, has_many :through

  • Rest In Pieces

    Revisiting URL helpers, forms & input helpers, understanding REST, nested resources, view partials, other view helpers

  • Asset Packaging and Mailing

    Sending attachments in mail, asset tags, using the Asset Pipeline, CoffeeScript, creating and sending mail, SCSS, using the JavaScript manifest

  • Rendering Extremities

    Custom RESTful routes, creating AJAX links, rendering custom JSON, AJAXified forms, controller rendering options, sending server JavaScript, using JSON data

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Ruby Bits Part 2

Ruby Language

Learn the more advanced bits every Ruby programmer should know. This advanced Ruby tutorial will help you take your Ruby knowledge to the next level.

  • Blocks, Procs & Lambdas

    An advanced look at code blocks and how to use procs and lambdas to encapsulate blocks of code

  • Dynamic Classes & Methods

    Techniques for defining, finding, and calling methods dynamically at runtime

  • Understanding Self

    A look at how Ruby uses the value of self and how to change self as your program executes

  • Missing Methods

    Using method_missing to capture, delegate, and respond to methods that don't exist

  • DSL Part 1

    A brief intro to writing Domain Specific Languages in Ruby

  • DSL Part 2

    More advanced tips and techniques for writing DSLs

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Testing with RSpec

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  • Introduction

    An overview of RSpecs basic syntax and installation.

  • Configuration & Matchers

    Setting up RSpec in a Ruby or Rails project and digging into some RSpec Matchers.

  • DRY Specs

    See how to organize your specs better making readability much easier.

  • Hooks & Tags

    Before hooks, shared examples and RSpecs use of metadata.

  • Mocks & Stubs

    A tour through how RSpec uses mocks and stubs.

  • Custom Matchers

    Walkthough the creation of a custom matcher from scratch.

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Rails Best Practices

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  • Controllers in Space

    Fat model/skinny controller, named scopes, scopes with lambda, default scopes, model creation scopes, skipping a filter

  • Controller Command

    Nested attributes, models without the database, using Presenters, rejecting SQL injection, Rails 3 responder syntax

  • Model Pitfalls

    Basic & compound indices, protecting your attributes, using default database values, using callbacks properly, improving validation, database seeding

  • Model Bert

    Optimizing n+1 queries, using counter_cache, batches of find_each, applying The Law of Demeter, using to_s and to_param in the model

  • Froggy Views

    Refactoring views, using helpers, rendering content with partials, handling empty strings, using content_for, meta yield

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Rails for Zombies

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Ruby: 9 Screencasts Watched

Git: 2 Courses Completed

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Try Git

Git

Learn how to use Git by reviewing the basic concepts of Git version control. Try out this introductory course that was created with GitHub.

  • Discover Git

    Discover the basics of Git, including how to initialize a repo. Learn how to add, commit, and push your code to GitHub.

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Git Real

Git

Learn more advanced Git by practicing the concepts of Git version control. Increase your Git knowledge by learning more advanced systems within Git.

  • Introduction

    Learn the basics of Git

  • Staging & Remotes

    Add and remove changed files, and work with remote repositories

  • Cloning & Branching

    Clone repositories and learn how to work with multiple branches

  • Collaboration Basics

    Work simultaneously with multiple users

  • Branching

    Work with remote branches and reference commits

  • Rebase belong to us

    Optimize merging and fix merge conflicts

  • History and Configuration

    Learn how to configure and view commit logs

Electives: 1 Course Completed

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Try R

Electives

Learn the R programming language for data analysis and visualization. This software programming language is great for statistical computing and graphics.

  • Using R

    A gentle introduction to R expressions, variables, and functions.

  • Vectors

    Grouping values into vectors, then doing arithmetic and graphs with them.

  • Matrices

    Creating and graphing two-dimensional data sets.

  • Summary Statistics

    Calculating and plotting some basic statistics: mean, median, and standard deviation.

  • Factors

    Creating and plotting categorized data.

  • Data Frames

    Organizing values into data frames, loading frames from files and merging them.

  • Real-World Data

    Testing for correlation between data sets, linear models, and extending R with additional libraries.

Electives: 5 Screencasts Watched