Christopher Steitz

Christopher Steitz

Member Since June 7, 2017

Skills & Experience

  • Spoken Languages

    • English

358 Achievements

  • Get Involved in Open Source
  •  Create a Web Presence on GitHub
  •  Working on a Team
  • Working By Yourself
  • Hello, GitHub!
  • GitHub and Other Remote Repositories
  • Managing Committed Files
  • First Commits
  • Common Commands
  • Directories and Files
  • The Command Shell
  • What is Asynchronous Programming?
  • Going Further with Routing
  • Navigating, Nesting and Redirecting Routes
  • Getting Started with React Router
  • Refining the App
  • Building the Application
  • Setting up with Create React App
  • 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
  • Additional Scraping Tasks
  • A World Full of Spiders
  • Introducing Data Scraping
  • Timezones
  • Math Quiz App
  • Dates and Times
  • Buggy Logs
  • Cleaner Code
  • Writing a Classifier
  • Machine Learning Vocabulary
  • Introduction to Machine Learning
  • Big Data at Netflix
  • Where and How Big Data Is Used
  • What is Big Data
  • Building a Flashcard App
  • Sweeping Vues: Loops, Methods, Directives
  • What a Beautiful Vue!
  • Introducing Vue
  • First Steps in React
  • Combining Array Methods
  • Array Manipulation
  • Array Iteration
  • Improving Our Todo App
  • Services in Angular
  • Using Angular's Built-in Directives
  • Controllers and Scope
  • Getting Started with Angular
  • Angular Form Validation
  • Angular Basic Forms
  • Services in Angular
  • Angular Components
  • Creating and Modifying Database Tables
  • What is Authentication?
  • Go Further With Mongo
  • Working With Collections
  • Understanding MongoDB
  • Getting Started with MongoDB
  • Serving Static Files in Express
  • Applying Express Knowledge
  • Middleware
  • Deeper into Routing with Express
  • Using Templates with Express
  • Getting Started with Express
  • Improving your Gulp Workflow
  • Compile Sass with Gulp
  • Gulp your JavaScript workflow!
  • Welcome to Gulp.js
  • Updating and Uninstalling Packages with npm
  • Installing Packages with npm
  • What is npm?
  • HTTP Methods and Headers
  • Creating a Basic Template Engine in Node.js
  • Handling Routes in Node.js
  • Creating a Simple Server in Node.js
  • Creating a Command Line Weather Application
  • Handling Errors in Node
  • Getting Data From an API With Node
  • Introduction to Node.js
  • Classes
  • Objects and New Collection Types
  • The Cooler Parts of ES2015
  • ES2015 Basics
  • Adding the Game Logic
  • Making the Game Interactive
  • Rendering the Game
  •  Building Constructor Methods and Generating Objects
  • Introducing 'Four in a Row'
  • Professional Development
  • Applying & Interviewing
  • The Job Search
  • Networking
  • Personal Branding
  • Setting Your Course
  • Careers in the Tech Industry
  • Self-Assessment
  • Getters and Setters
  • Working with Classes in JavaScript
  • Object Basics
  • Introduction to Object-Oriented JavaScript
  • Chrome DevTools Basics
  • WCAG 2.0 (and Other Standards)
  • Semantic HTML and WAI-ARIA
  • Accessible UI Patterns
  • Mobile Accessibility
  • Testing for Accessibility
  • Access for Everybody
  • Optimize Assets
  • Combine and Minify Assets
  • Planning for Performance
  • Measuring Performance
  • Project Setup
  • What To Test
  • Test Driven Development
  • Writing Unit Tests
  • Captioning Video
  • Media Basics
  • Going Further with Grid Layout
  • Flexible Sized Grids
  • Introducing Grid Layout
  • Add Reusable Logic to Your Sass
  • Write Smart and Efficient CSS with Sass
  • Improve Your Workflow with Sass
  • Getting Started with Sass
  • Keyframe and Line Drawing Animations
  • Transitions and Transforms
  • 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
  • Design Patterns
  • Page Layout
  • Building Forms With Bootstrap
  • Using Bootstrap Components
  • Responsive Layouts With the Bootstrap Grid
  • Getting to Know Bootstrap 4
  • Building a Layout with Flexbox
  • Flexbox Properties
  • Understanding Flexbox
  • Responsive Patterns
  • Media Queries
  • Responsive Theory
  • Positioning Page Content
  • CSS Layout Project
  • Page Layout with the Float Property
  • Controlling Layout with CSS Display Modes
  • Getting Started with CSS Layout
  • Final Project: Create a Typographic Site
  • Laying Out Type for the Web
  • Basic Web Typography
  • How to Choose and Use Webfonts
  • Introduction to Typography
  • Structuring Tables
  • Table Basics
  • Choosing Options
  • Organizing Forms
  • Form Basics
  • Advanced Selectors
  • Going Further with Attribute Selectors and Pseudo-Classes
  • Selectors - Beyond the Basics
  • Exploration
  • Discovery
  • Fundamental Concepts
  • Designing with the Latest Features
  • Basic Layout
  • The Box Model
  • Understanding Values and Units
  • Basic Selectors
  • Getting Started with CSS
  • Forms
  • Tables
  • Objects
  • Links
  • Lists
  • Text
  • Introduction
  • Unit Testing
  • Treehouse Club - CSS
  • Subqueries
  • Set Operations
  • Joining Table Data with SQL
  • Table Relationships
  • Database Keys
  • Database Normalization
  • Date and Time Functions
  • Aggregate and Numeric Functions
  • Working with Text
  • Ordering, Limiting and Paging Results
  • Handling Errors When Manipulating Data
  • Deleting Data from a Database
  • Updating Data in a Database
  • Adding Data to a Database
  • Finding the Data You Want
  • Getting Data from a Database
  • Data, Databases and SQL
  • Query Builder
  • Query Operators
  • Functional!
  • Now You're Querying!
  • 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
  • HTML First
  • Beginning HTML and CSS
  • Going Further with HTML
  • Images, Text and Links
  • Structuring Your Content
  • Getting Started With HTML
  • Setting Up an Angular Application
  • AJAX and APIs
  • jQuery and AJAX
  • Programming AJAX
  • AJAX Concepts
  • Dice Roller
  • Python: Advanced Objects
  • Python: Inheritance
  • PHP Email Form Errors
  • PHP Email Forms
  • GET and POST Requests in a Browser
  • Introduction to HTTP
  • Dungeon Game 2
  • Python Sets
  • Python Tuples
  • Python Dictionaries
  • Python Slices
  • Python Lists
  • Build an Application
  • Using Lists
  • Meet Lists
  • Connect the Data
  • Adapters and ViewHolders
  • Displaying Lists of Data
  • Updating the Data Model
  • Hooking Up the Model to the View
  • Building the Weather UI
  • Working with JSON
  • Concurrency and Error Handling
  • Networking
  • Exploring an API
  • Publishing on Google Play
  • Testing and Debugging
  • Improving Our Code
  • Basic Android Programming
  • Creating the Screen Layout
  • Getting Started with Android
  • Website Basics
  • What is Agile?
  • Python: Instant Objects
  • All Together Now
  • Functions and Looping
  • Types and Branching
  • Meet Python
  • Working with jQuery Collections (2017)
  • Understanding jQuery Events and DOM Traversal (2017)
  • Introducing jQuery (2017)
  • Improving the Application Code
  • Editing and Filtering Names
  • Adding and Removing Names
  • Traversing the DOM
  • Responding to User Interaction
  • Making Changes to the DOM
  • Getting a Handle on the DOM
  • The Browser Environment
  • Create Function Using Arrow Syntax
  • Using Template Literals
  • Defining Variables With let and const
  • JavaScript Tools and Workflows
  • JavaScript is Everywhere
  • JavaScript Objects
  • JavaScript Arrays
  • JavaScript Loops
  • JavaScript Functions
  • JavaScript Conditional Statements
  • JavaScript Numbers
  • JavaScript Variables
  • Introducing JavaScript
  • Finishing the Game
  • Introducing JavaScript
  • WordPress User Roles
  • WordPress Plugins
  • WordPress Themes
  • The WordPress Customizer
  • Managing Media in WordPress
  • Managing Content in WordPress
  • PHP Inventory
  • PHP Includes
  • PHP Internal Functions
  • PHP Returns & Closures
  • PHP Functions Basics
  • Practicing Data Visualization in Excel
  • Chart Formatting and Layout
  • When To Use What Type of Chart
  • Introduction To Data Visualization
  • The Data Analysis Process
  • Getting to Know Your Data
  • Introducing Data Analysis
  • Build a Spreadsheet
  • Spreadsheet Best Practices
  • Spreadsheet Functions & Formulas
  • Getting Started With Spreadsheets
  • Introducing Spreadsheets
  • PHP Loops
  • PHP Arrays
  • PHP Conditionals
  • PHP on the Web
  • Security: Solutions
  • Security: Concerns
  • Daily Exercise Program
  • Unit Converter
  • Getting to Know PHP
  • Adding a New Web Page
  • Make It Beautiful with CSS
  • HTML: The Structural Foundation of Web Pages and Applications
  • Getting Familiar with HTML and CSS
  • Installing WordPress Locally
  • What Is WordPress?
  • Security in Practice
  • Common Attacks and Defenses
  • Hello Internet!
  • Sets and Dictionaries
  • Lists
  • Arrays
  • Data Retreiver
  • Serialized!
  • Data Parser
  • Data Reader
  • 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
  • Delivering the MVP
  • Creating the MVP
  • Harnessing the Power of Objects
  • Meet Objects
  • Perfecting the Prototype
  • Using your New Tools
  • Getting Started with Java
  • Newbie