lukej

lukej

Member Since March 4, 2018

34,220

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390 Achievements

  • Reformatting User Input
  • Validating a Form with Regular Expressions
  • Regular Expressions
  • Control Flow With Conditional Statements
  • Control Flow With Loops
  • Dictionaries in Swift
  • Introduction to Collections
  • Checking Out and Returning a Book
  • Starting with Some Methods
  • The Rough Plan
  • Programming AJAX
  • AJAX Concepts
  • React Component Patterns
  • Stateful Components and Lifecycle Methods
  • Managing State and Data Flow
  • Build Modular Interfaces with Components
  • Stateful Components
  • Introducing Props
  • Thinking in Components
  • First Steps in React
  • Design Patterns
  • Page Layout
  • Understanding Design Systems
  • Exploration
  • Discovery
  • Combining Array Methods
  • Practice forEach
  • Array Manipulation
  • Array Iteration
  • Callbacks and the DOM
  • Callbacks with Timers
  • Introduction to Callback Functions
  • Improving your Gulp Workflow
  • Compile Sass with Gulp
  • Gulp your JavaScript workflow!
  • Introducing Unit Testing
  • AJAX and APIs
  • Add Reusable Logic to Your Sass
  • Write Smart and Efficient CSS with Sass
  • Welcome to Gulp.js
  • jQuery and AJAX
  • Programming AJAX
  • Practicing Getters and Setters
  • Classes
  • Practicing Object Basics
  • Objects and New Collection Types
  • The Role of Selectors in JavaScript
  • Pseudo-classes and Combinators
  • Selector Basics
  • Building Forms With Bootstrap
  • Using Bootstrap Components
  • Responsive Layouts With the Bootstrap Grid
  • Improve Your Workflow with Sass
  • Getting Started with Sass
  • Art Direction with the Picture Element
  • Image Delivery with Srcset and Sizes
  • Creating an SVG
  • Introduction to SVG
  • Getting to Know Bootstrap 4
  • Captioning Video
  • Media Basics
  • Building a Layout with Flexbox
  • Flexbox Properties
  • Understanding Flexbox
  • Responsive Patterns
  • Media Queries
  • Responsive Theory
  • Setting Up Authorization in PHP
  • Building Authentication in PHP
  • Getting Started with Express
  • Browser Persistent Data with PHP
  • Writing a Classifier
  • How Jenkins Works
  • The Cooler Parts of ES2015
  • Go Further With Mongo
  • Working With Collections
  • Understanding MongoDB
  • Advanced Tooling
  • IDE Exploration
  • Introducing IntelliJ and Unpacking Packages
  • Diving into Web Development
  • Python Regular Expressions
  • Environment Variables
  • Getting Started with MongoDB
  • Common Commands
  • Directories and Files
  • Regular Expressions
  • Updating and Deleting Records
  • Reading and Writing Reports
  • Building an MVC Project
  • Why Object-Oriented Programming?
  • Parsing Specific Formats
  • Basic File Handling
  • What to Test
  • PHPDB Stage 5: Search
  • PHPDB Stage 4: Pagination with LIMITs
  • Creating Records
  • Project Setup
  • PHPDB Stage 3: Using Relational Data
  • Model View Controller
  • AJAX Concepts
  • PHPDB Stage 2: Querying the Database with PHP
  • PHPDB Stage 1: Databases and PHP
  • PHP Email Form Errors
  • PHP Email Forms
  • PHP Inventory
  • PHP Includes
  • PHP Internal Functions
  • PHP Returns & Closures
  • PHP Functions Basics
  • PHP Loops
  • PHP Arrays
  • PHP Conditionals
  • Sinatra Layouts
  • HTML Forms
  • Practice ERB Templates
  • Defining Routes
  • Sinatra Finishing Touches
  • Updating Data in Sinatra
  • Adding New Data in Sinatra
  • Sinatra ERB Templates
  • Creating New Sinatra Apps
  • Review Functional Programming Fundamentals
  • Reduction and Aggregation
  • Meet Streams
  • Java's Functional Toolset
  • The Command Shell
  • Practicing Classes
  • Practice Functions
  • Introducing Entity Framework
  • Introducing CRUD Applications
  • Adding a List Page
  • Modeling and Presenting Data
  • Java Maps
  • Views
  • Controllers
  • Project Setup
  • Working with jQuery Collections (2017)
  • Understanding jQuery Events and DOM Traversal (2017)
  • Introducing jQuery (2017)
  • Java Lists
  • ES2015 Basics
  • Gems In Depth
  • Ruby Gems
  • Adding the Game Logic
  • Making the Game Interactive
  • Swift Operators
  • Swift Types
  • An Introduction to Swift Programming
  • Input and Output
  • Search
  • Ruby Class Design
  • Blocks Practice
  • Working With Blocks
  • Ruby Module Basics
  • Ruby Blocks
  • 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 Conditionals
  • Ruby Numeric Types
  • Ruby Objects
  • Rendering the Game
  •  Building Constructor Methods and Generating Objects
  • Introducing 'Four in a Row'
  • Improving the Application Code
  • Editing and Filtering Names
  • Adding and Removing Names
  • Traversing the DOM
  • Responding to User Interaction
  • Branches on Git Hosting Services
  • Making Changes to the DOM
  • Introducing Vue
  • Interfaces in Java
  • Generics in Java
  • Ruby Strings and Escape Sequences
  • Getters and Setters
  • Working with Classes in JavaScript
  • Object Basics
  • Introduction to Object-Oriented JavaScript
  • Remote Branches
  • Getting a Handle on the DOM
  • The Browser Environment
  • Methods
  • Object-Oriented Programming
  • Create Function Using Arrow Syntax
  • S3 Storage Service
  • AWS and "The Cloud"
  • Merging
  • Ruby Syntax
  • Using Template Literals
  • Defining Variables With let and const
  • JavaScript Objects
  • JavaScript Arrays
  • JavaScript Loops
  • JavaScript Functions
  • JavaScript Conditional Statements
  • JavaScript Numbers
  • JavaScript Variables
  • Branches
  • Writing Your Own Java Annotation
  • Data Persistence & ORMs
  • Using Java's Built-In Annotations
  • Exploring the Java Collections Framework
  • Efficiency!
  • Setting Up Your Local Environment for Spring Development
  • Graphical User Interfaces
  • How To Test
  • Why Test
  • How it Works
  • Merge Sort and Linked Lists
  • The Merge Sort Algorithm
  • Building a Linked List
  • Exploring Arrays
  • Java Inheritance
  • Dockerize a Web App
  • Managing Images and Containers
  • Building Images Using Dockerfiles
  • Fundamentals of Docker
  • Docker Use Cases
  • Algorithms in Code
  • Getting the REST You Need 2
  • Recursion and Space Complexity
  • Time Complexity
  • Python: Inheritance
  • Playing a Counting Game
  • Python Sets
  • Dungeon Game 2
  • Python: Instant Objects
  • Python Tuples
  • Python Dictionaries
  • Python Slices
  • Python Lists
  • Build an Application
  • Using Lists
  • Meet Lists
  • Updating and Uninstalling Packages with npm
  • Installing Packages with npm
  • DNS Basics
  • Creating a Command Line Weather Application
  • Handling Errors in Node
  • Getting Data From an API With Node
  • Introduction to Node.js
  • All Together Now
  • Functions and Looping
  • Go Concurrency Overview
  • Go Custom Types Overview
  • Types and Branching
  • Advanced Selectors
  • Positioning Page Content
  • What is npm?
  • CSS Layout Project
  • Meet Python
  • Go Data Structures Overview
  • Go Flow Control Overview
  • Go Syntax Overview
  • Page Layout with the Float Property
  • Controlling Layout with CSS Display Modes
  • Getting Started with CSS Layout
  • Going Further with Attribute Selectors and Pseudo-Classes
  • JavaScript Frameworks, Libraries, and Developer Roles
  • JavaScript Outside of the Browser
  • Selectors - Beyond the Basics
  • Subqueries
  • Set Operations
  • Joining Table Data with SQL
  • Machine Learning Vocabulary
  • Introduction to Machine Learning
  • Table Relationships
  • Database Keys
  • Database Normalization
  • Day 3: Getting Creative
  • Day 2: Advanced Selecting
  • Day 1: Joining Tables
  • Orientation: Selecting Data
  • Date and Time Functions
  • Aggregate and Numeric Functions
  • Fundamental Concepts
  • Designing with the Latest Features
  • Basic Layout
  • Creating and Modifying Database Tables
  • The Box Model
  • Understanding Values and Units
  • GitHub and Other Remote Repositories
  • Managing Committed Files
  • First Commits
  • Working with Text
  • Protecting and Sharing Your Work
  • Licensing
  • Fair Use and Public Domain
  • Getting Started with Copyright
  • Introducing Spreadsheets
  • Getting the REST You Need
  • Scrum Artifacts
  • JavaScript Tools and Workflows
  • JavaScript is Everywhere
  • Scrum Events
  • Ordering, Limiting and Paging Results
  • Introducing Scrum
  • What is Agile?
  • Choosing Options
  • Basic Selectors
  • Structuring Tables
  • Table Basics
  • Organizing Data
  • Organizing Forms
  • Form Basics
  • Getting Started with CSS
  • GET and POST Requests in a Browser
  • Introduction to HTTP
  • Getting There
  • Going Further with HTML
  • Images, Text and Links
  • Graphic Basics
  • Handling Errors When Manipulating Data
  • Deleting Data from a Database
  • Updating Data in a Database
  • Adding Data to a Database
  • PHP on the Web
  • The OWASP Top 10 Explained
  • Finding the Data You Want
  • Security: Solutions
  • Security: Concerns
  • Structuring Your Content
  • Getting Started With HTML
  • Installing WordPress Locally
  • Gotchas and Wins
  • Security in Practice
  • Common Attacks and Defenses
  • Hello Internet!
  • Daily Exercise Program
  • Iteration
  • Website Basics
  • Getting Data from a Database
  • Data, Databases and SQL
  • MASH JavaScript
  • MASH CSS
  • MASH HTML
  • Treehouse Club - JavaScript
  • Treehouse Club - CSS
  • Welcome to the Treehouse Club
  • WWW
  • Adding a New Web Page
  • Make It Beautiful with CSS
  • Unit Converter
  • What Is WordPress?
  • The Internet
  • Creation
  • Delivering the MVP
  • Getting to Know PHP
  • HTML: The Structural Foundation of Web Pages and Applications
  • Getting Familiar with HTML and CSS
  • Get Involved in Open Source
  •  Create a Web Presence on GitHub
  •  Working on a Team
  • Creating the MVP
  • Working By Yourself
  • Hello, GitHub!
  • Harnessing the Power of Objects
  • Workflows
  • Working With Remote Repositories
  • Merging
  • Branches
  • Meet Objects
  • Lists, Code, Links and Images
  • Understanding Markdown
  • Computer Languages
  • Computer Basics
  • Getting Started With Git
  • Why Version Control Matters
  • Perfecting the Prototype
  • Using your New Tools
  • Getting Started with Java
  • Introducing JavaScript
  • Finishing the Game
  • Introducing JavaScript
  • Python Data Types
  • Installing Programs
  • Environment and Redirection
  • Console Processes
  • Console Users and Permission
  • Moving Around in the Console
  • Python For Beginners
  • Newbie