Kang-Kyu Lee

kangkyu

  • 13 Courses Completed
  • 81 Levels Completed
  • 49 Screencasts Watched
  • 221,490 Total Points

Achievement Badges

Ruby: 5 Courses Completed

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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 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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Rails 4: Zombie Outlaws

Intermediate Ruby on Rails

Learn to build faster and more secure web apps with Rails 4. Review the Rails updates that will help get your apps up to speed on Rails 4 best practices.

  • A Bloody Tale of Revenge

    Support for Ruby 1.9.3, ThreadSafety, and Routes

  • The Hangman's Daughter

    Changes to the ActiveRecord API, and more on ActiveRecord and changes to ActiveModel

  • Dead Man Walking

    Whitelisting user parameters with Strong Parameters and using Remote Forms. Reviewing new syntax for controller Filters, working with Session & setting Custom Flash Types

  • Concerning the Events of Santa Maria

    Reviewing new view helpers & the Ruby template handler

  • The Killing Fields

    Learning the new test structure

  • The Undead Express

    Declarative ETags, the new Dalli memcache client, and working with Cache Digests

  • Why's and Wherefores

    Streaming with ActionController::Live and faster page loading with Turbolinks

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Rails 4 Patterns

Intermediate Ruby on Rails

Learn helpful patterns and techniques for building and maintaining complex Rails applications. Make your application easily scale in size and complexity.

  • Models

    Use Models to encapsulate core business logic and avoid common ActiveRecord pitfalls.

  • Scopes and Class Methods

    Learn the intricacies of using class methods that run queries, and learn the benefits of using scopes.

  • Concerns

    Review how to extract reusable code into Model and Controller concerns.

  • Decorators

    Extract view logic out of Models with Decorators.

  • ActiveModelSerializers 1

    The basics of using ActiveModelSerializers to build a JSON API.

  • ActiveModelSerializers 2

    Use ActiveModelSerializers to simplify your JSON API.

  • FineTuning

    Speed up queries, secure user parameters and manage your processes.

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Rails for Zombies

Discontinued

Ruby: 21 Screencasts Watched

Git: 3 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

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Git Real 2

Git

Learn advanced Git by practicing Git version control with Git Real 2. Continue to increase your Git skills by learning more advanced systems within Git.

  • Interactive Rebase

    Edit your commits through the use of interactive rebase

  • Stashing

    Not quite ready to commit? Git stash is the perfect solution

  • Purging History

    Accidentally commit something sensitive? Purge it!

  • Working together

    Make Git work together on multiple operating systems

  • Submodules

    Ever wanted to use another repository inside of another?

  • Reflog

    Undo almost anything and find lost commits using reflog

JavaScript: 2 Courses Completed

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JavaScript Road Trip Part 1

JavaScript Language

An introduction to the very basics of the JavaScript language. Build a foundation of JavaScript syntax and learn how to use values, variables, and files.

  • The Cliffs of Value

    Learn to manipulate values on the console.

  • Variable Valley

    Review how to store and use data with variables.

  • Files Falls

    Create JS files and source them within HTML code.

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Shaping Up With AngularJS

Client-side Frameworks

AngularJS allows your application to have an expanded HTML library. Learn to add behavior to your HTML and speed up your application’s responsiveness.

  • Flatlander's Gem Store

    Get comfortable with expressions by beginning to build a gem store.

  • Built-in Directives

    Use directives to add a gallery and tabs to the gem store.

  • Forms

    Give the gem store review functionality by using AngularJS forms.

  • Custom Directives

    Create custom directives for more organized and maintainable AngularJS code.

  • Services

    Create a new module and learn to use the $http service to get real data into the gem store.

JavaScript: 7 Screencasts Watched

HTML/CSS: 1 Course Completed

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Blasting Off with Bootstrap

CSS Frameworks

Use Bootstrap's pre-built styles and functionality to help you easily add polish and useful behavior to your web application with HTML and CSS.

  • Lift Off

    Get your website off the ground by adding the Bootstrap library and getting familiar with the container class.

  • Designing in Grids

    Use the grid design pattern to add structure and style to your application.

  • Typography

    Use Bootstrap’s custom classes and Glyphicon icons to make your site easier on the eyes.

  • Enough CSS to be Dangerous

    Make your site stand out from the rest by adding a custom navigation and a splash of colorful buttons.

  • JavaScript Components

    Use Bootstrap’s Collapse and Dropdown plugins to add needed behavior to your website.

HTML/CSS: 4 Screencasts Watched

Electives: 2 Courses Completed

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Breaking the Ice With Regular Expressions

Electives

Search for text patterns using regular expressions and learn to validate emails and URLs, capture information, and use simple patterns to save development time.

  • The String Story

    Learn what regular expressions are, and write your first expression. Discover literals, operators, character sets, modifiers, and metacharacters.

  • Crew Emails

    Journey into validating emails with wildcards, escaping characters, groups, and anchors.

  • Confirmative

    Take a voyage to the edge with word boundaries and creating optional variations. Negate characters within character sets, and then use the negated shorthand. Finally, match specific amounts of characters with interval expressions.

  • Multi-line Strings

    Discover multi-line strings, and journey deeper with much larger subject strings. Search the globe and properly drop anchors with global and multi-line modifiers.

  • Capture Groups

    Grab the loot with capture groups, and learn how to extract sections of text for reference. Also discover when it's appropriate to have groups not capture.

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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: 11 Screencasts Watched

Python: 1 Screencast Watched