Kevin Matsuo

Kevin Matsuo

Member Since November 24, 2015

36,064

Total Points

Points are earned whenever you take an important action on Treehouse.
Learn more about when and how points are earned.

439 Achievements

  • Integrating 3rd Party APIs
  • Implementing Redux
  • Implementing React Native
  • Getters and Setters
  • Working with Classes in JavaScript
  • Object Basics
  • Introduction to Object-Oriented JavaScript
  • PHPDB Stage 5: Search
  • PHPDB Stage 4: Pagination with LIMITs
  • PHPDB Stage 3: Using Relational Data
  • PHPDB Stage 2: Querying the Database with PHP
  • PHPDB Stage 1: Databases and PHP
  • Parsing Specific Formats
  • Basic File Handling
  • Database Security
  • Queries & Results
  • Getting Started with PDO
  • PHP on the Web
  • Daily Exercise Program
  • Unit Converter
  • Extending the Family
  • Getting to Know PHP
  • Inheritance
  • Working with jQuery Collections (2017)
  • Understanding jQuery Events and DOM Traversal (2017)
  • Introducing jQuery (2017)
  • Laravel Controllers
  • Laravel Project Setup
  • Laravel Getting Started
  • More Association Options
  • Using Associations in Your App
  • Active Record Associations
  • Ruby Conditionals
  • Ruby Numeric Types
  • Ruby Objects
  • Ruby Strings and Escape Sequences
  • Ruby Syntax
  • Gettin' CRUD-y With It
  • Our Diary App
  • Meet Peewee
  • Python File Systems Manipulation
  • Python File Systems Navigation
  • Create Function Using Arrow Syntax
  • Using Template Literals
  • Defining Variables With let and const
  • Combining Array Methods
  • Array Manipulation
  • Array Iteration
  • Dice Roller
  • Python: Advanced Objects
  • Python: Inheritance
  • Python: Instant Objects
  • Refining the App
  • Building the Application
  • Setting up with Create React App
  • Moving Forward with UX
  • Tools UXers Use
  • How UXers Think
  • What Do User Experience Designers Do?
  • What is User Experience (UX)?
  • Build and Share a Unity Game
  • Game Audio
  • Score, Enemies, and Game State
  • Pickups
  • Player Input and Cameras
  • The Unity Editor and Scene Setup
  • Introduction to Video Games
  • Finishing the Game
  • Introducing JavaScript
  • Why React Native
  • Reformatting User Input
  • Validating a Form with Regular Expressions
  • Regular Expressions
  • Project Setup
  • Abstraction
  • System.Object
  • Polymorphism
  • Loops and Final Touches
  • Encapsulation with Properties
  • Encapsulation and Arrays
  • Inheritance
  • Methods
  • Object-Oriented Programming
  • Perfect
  • Perform
  • Console I/O
  • Prepare and Plan
  • Store Inventory Using Modules
  • Include and Extend
  • Ruby Core Modules
  • Ruby Module Basics
  • Working with Rails Layouts
  • Zurb Foundation on Rails
  • Remember Me
  • Callbacks and the DOM
  • Callbacks with Timers
  • Introduction to Callback Functions
  • Serving Static Files in Express
  • Applying Express Knowledge
  • Middleware
  • Deeper into Routing with Express
  • Using Templates with Express
  • Getting Started with Express
  • AR Extensions
  • Callbacks
  • Query Interface
  • Validation
  • Putting it all Together
  • Actions, Dispatch and Reducers. Oh my!
  • Modularizing the React Scoreboard Application
  • Getting Started with Redux
  • Going Further with Routing
  • Navigating, Nesting and Redirecting Routes
  • Getting Started with React Router
  • PHP Loops
  • PHP Arrays
  • PHP Conditionals
  • Customizing Drupal
  • Modules and Themes
  • Site Building with the Drupal Interface
  • Learn About Drupal
  • Express Middleware
  • Sessions and Cookies
  • User Registration and Login
  • What is Authentication?
  • Angular Form Validation
  • Angular Basic Forms
  • Services in Angular
  • Angular Components
  • Setting Up an Angular Application
  • Migrations and Relationships
  • Introduction to ActiveRecord
  • Gems In Depth
  • Ruby Gems
  • Ruby Standard Library: Part 2
  • Ruby Standard Library: Part 1
  • Ruby Core
  • Input and Output
  • Search
  • Ruby Class Design
  • Build a Simple Todo List Program
  • Ruby Booleans
  • Blocks Practice
  • Working With Blocks
  • Ruby Blocks
  • A Route to a Delete Action
  • Routes to Update Actions
  • Routes for Create Actions
  • A Route to a Read Action
  • Rails Resource Index
  • Adding a Model Attribute
  • Using the Rails Console
  • Handling Rails Requests
  • Creating Rails Apps
  • Date and Time Functions
  • Aggregate and Numeric Functions
  • Working with Text
  • Ordering, Limiting and Paging Results
  • Sinatra Finishing Touches
  • Updating Data in Sinatra
  • Adding New Data in Sinatra
  • Sinatra ERB Templates
  • Creating New Sinatra Apps
  • Build a Bank Account Class
  • Ruby Variables and Methods
  • Ruby Objects and Classes
  • Build a Simple Contact List
  • Ruby Iteration
  • Ruby Loops
  • Build a Grocery List Program
  • Ruby Hashes
  • Ruby Arrays
  • Ruby Logical Operators
  • Ruby Control Structures
  • Ruby Operators
  • Ruby Methods
  • Ruby Numbers (Ruby Basics)
  • Ruby Strings (Ruby Basics)
  • How Ruby Works
  • Dungeon Game 2
  • Python Sets
  • Python Tuples
  • Python Dictionaries
  • Python Slices
  • Python Lists
  • Creating a Command Line Weather Application
  • Handling Errors in Node
  • Getting Data From an API With Node
  • Introduction to Node.js
  • Debugging HTML and CSS Problems
  • Sharing a Website
  • Responsive Web Design and Testing
  • Adding Pages to a Website
  • Styling Web Pages and Navigation
  • Customizing Colors and Fonts
  • CSS: Cascading Style Sheets
  • Creating HTML Content
  • Combine and Minify Assets
  • Optimize Assets
  • Measuring Performance
  • Planning for Performance
  • Responsive Patterns
  • Media Queries
  • Responsive Theory
  • Choosing Options
  • Organizing Forms
  • Form Basics
  • What is the MailChimp API
  • Improving the Application Code
  • Editing and Filtering Names
  • Adding and Removing Names
  • Build a Website With Bootstrap
  • Positioning Page Content
  • CSS Layout Project
  • Getting Started with CSS Layout
  • Page Layout with the Float Property
  • Controlling Layout with CSS Display Modes
  • Building a Layout with Flexbox
  • Flexbox Properties
  • Understanding Flexbox
  • Building Forms with Bootstrap
  • Using Bootstrap Components
  • Responsive Layouts with the Bootstrap Grid
  • Getting to Know Bootstrap 4
  • Working with Media Queries
  • CSS Animation Basics
  • Next Steps
  • Spriting with Compass
  • Compass Helper Functions
  • Compass Layout and Typography
  • Getting Started with Compass
  • DOM Traversal
  • DOM Manipulation
  • Events
  • Hello, jQuery!
  • Traversing the DOM
  • Responding to User Interaction
  • Making Changes to the DOM
  • Getting a Handle on the DOM
  • The Browser Environment
  • Subqueries
  • Set Operations
  • Joining Table Data with SQL
  • Table Relationships
  • Database Keys
  • Database Normalization
  • Finding the Data You Want
  • Getting Data from a Database
  • Data, Databases and SQL
  • Handling Errors When Manipulating Data
  • Deleting Data from a Database
  • Updating Data in a Database
  • Adding Data to a Database
  • Improving your Gulp Workflow
  • Compile Sass with Gulp
  • Gulp your JavaScript workflow!
  • Welcome to Gulp.js
  • Creating an SVG
  • Introduction to SVG
  • Adding 3D Effects with CSS
  • Getting Started with CSS Transforms
  • Transition Timing Functions and Delays
  • Getting Started with CSS Transitions
  • Going Further with Routes
  • Navigating and Nesting Routes
  • Getting Started with React Router
  • Component Lifecycle
  • Designing Dataflow
  • Stateful Components
  • Thinking in Components
  • First Steps in React
  • Classes
  • Objects and New Collection Types
  • The Cooler Parts of ES2015
  • ES2015 Basics
  • Python Regular Expressions
  • Timezones
  • Math Quiz App
  • Dates and Times
  • Buggy Logs
  • Cleaner Code
  • Dungeon Game
  • Tuples
  • Dictionaries
  • Hack-n-Slash
  • Python Inheritance
  • Python Objects
  • Building a Collection
  • Building the Recipe
  • Understanding Classes
  • Why Object-Oriented Programming?
  • Completing and Testing the API
  • Communicating with Mongo Through Mongoose
  • Modeling Data for the API
  • Building API Routes in Express
  • Building a REST Service
  • Interactive Visualizations
  • Styling and Scaling Data
  • Data Binding with D3
  • HTML First
  • Beginning HTML and CSS
  • Improving Our Tests
  • Behavior Driven Development with Mocha & Chai
  • Introducing Unit Testing
  • More TODO with the MEAN Stack
  • Creating and Editing Data in a MEAN App
  • Setting Up MongoDB
  • Going MEAN with Angular
  • Going MEAN with Express
  • Introduction to MEAN
  • Doing More with Express
  • Serving Static Files in Express
  • Using Templates with Express
  • The Request and Response Objects in Express
  • Meet Objects
  • Perfecting the Prototype
  • Using your New Tools
  • Getting Started with Java
  • Slices
  • Lists Redux
  • Letter Game App
  • Number Game App
  • Shopping List App
  • Logic in Python
  • Python Data Types
  • Python For Beginners
  • MASH JavaScript
  • MASH CSS
  • MASH HTML
  • Understanding CSS Transitions and Transforms
  • Understanding Flexbox and Multi-Column Layout
  • Custom Media Players
  • Captioning Video
  • Media Basics
  • Get Involved in Open Source
  •  Create a Web Presence on GitHub
  •  Working on a Team
  • Working By Yourself
  • Hello, GitHub!
  • Workflows
  • Working With Remote Repositories
  • Merging
  • Branches
  • Getting Started With Git
  • Why Version Control Matters
  • Developing Express Apps Like a Boss
  • Getting Started with Express
  • Advanced Directives
  • Concepts on Advanced Functions
  • Advanced Variables, Mixins, Functions, and Placeholders
  • Getting Started with Advanced Sass
  • Modular Media Queries
  • Sass Grid System
  • SMACSS and Sass
  • Sass and BEM
  • Getting Modular with Mixins and Functions
  • Debugging, Best Practices, and Production
  • Refactoring with Sass
  • Installing Sass and Setting up the Project
  • Advanced Sass Concepts
  • Speeding up Workflow With Sass
  • Variables, Mixins, and Extending Selectors
  • Getting Started with Sass
  • Prototyping With Bootstrap
  • Introduction to Front-End Frameworks
  • Selections with D3
  • Improving Our Todo App
  • Services in Angular
  • Using Angular's Built-in Directives
  • Controllers and Scope
  • Getting Started with Angular
  • Treehouse Club - JavaScript
  • Error Handling
  • Creating Distributable OOP Packages
  • Autoloading and Composer
  • Databases and International Concerns
  • Starting Right with PHP Best Practices
  • PHP Email Form Errors
  • PHP Email Forms
  • PHP Inventory
  • PHP Includes
  • PHP Inheritance & Interfaces
  • PHP Properties & Methods
  • PHP Objects and Classes
  • PHP Internal Functions
  • PHP Returns & Closures
  • PHP Functions Basics
  • PHP Loops
  • PHP Conditionals
  • PHP Datatypes
  • PHP Data & Structure
  • PHP Getting Started
  • Contact Forms & Mailers
  • Slim and Templates
  • Dependency Management
  • JavaScript Objects
  • JavaScript Arrays
  • JavaScript Loops
  • JavaScript Functions
  • JavaScript Conditional Statements
  • JavaScript Numbers
  • JavaScript Variables
  • Introducing JavaScript
  • HTTP Methods and Headers
  • Installing Programs
  • Environment and Redirection
  • Console Processes
  • Console Users and Permission
  • Moving Around in the Console
  • Creating a Basic Template Engine in Node.js
  • Handling Routes in Node.js
  • Creating a Simple Server in Node.js
  • Building a Command Line Application
  • Introduction to Node.js
  • Introduction to Data, Databases and SQL
  • Traversing and Manipulating the DOM with JavaScript
  • Selecting Elements and Adding Events with JavaScript
  • JavaScript and the DOM
  • Creating a Simple Drawing Application
  • Creating a Password Confirmation Form
  • Creating a Mobile Drop Down Menu
  • Creating a Simple Lightbox
  • Creating a Spoiler Revealer
  • Introduction to jQuery
  • Updating and Uninstalling Packages with npm
  • Installing Packages with npm
  • What is npm?
  • Using a jQuery Carousel
  • Add a Sticky Navigation Bar
  • Introducing jQuery Plugins
  • Quiz Practice Project
  • Prototypal Inheritance
  • Constructor Functions & Prototypes
  • Introduction to Methods
  • AJAX and APIs
  • jQuery and AJAX
  • Programming AJAX
  • AJAX Concepts
  • Newbie