Mark Sebeck

Mark Sebeck

Treehouse Moderator

Pittsburgh, PA

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302 Achievements

  • How it Works
  • Java Maps
  • Java Lists
  • Generics in Java
  • Interfaces in Java
  • Java Inheritance
  • Introducing IntelliJ and Unpacking Packages
  • Gotchas and Wins
  • Iteration
  • Creation
  • Delivering the MVP
  • Creating the MVP
  • Harnessing the Power of Objects
  • Meet Objects
  • Perfecting the Prototype
  • Using your New Tools
  • Getting Started with Java
  • Welcome to Basic Math for Data Analysis
  • Usability Basics
  • Loop Through Objects
  • Object Basics
  • Multidimensional Arrays
  • Loop Through Arrays
  • Store Multiple Values in an Array
  • Working with 'for' Loops
  • Simplify Repetitive Tasks with Loops
  • Classes
  • Objects and New Collection Types
  • The Cooler Parts of ES2015
  • ES2015 Basics
  • Making the Game Interactive
  • Rendering the Game
  • Handling Errors in Node
  • Getting Data From an API With Node
  • Social Media
  • Getting the REST You Need 2
  • Introduction to Node.js
  •  Building Constructor Methods and Generating Objects
  • Introducing 'Four in a Row'
  • Checking Out and Returning a Book
  • Starting with Some Methods
  • The Rough Plan
  • Getters and Setters
  • Practicing Classes
  • Working with Classes in JavaScript
  • Practicing Object Basics
  • Object Basics
  • Introduction to Object-Oriented JavaScript
  • Exploring Async/Await
  • Understanding Promises
  • Asynchronous JavaScript with Callbacks
  • What is Asynchronous Programming?
  • Callbacks and the DOM
  • Callbacks with Timers
  • Introduction to Callback Functions
  • Improving the Application Code
  • Editing and Filtering Names
  • Adding and Removing Names
  • Programming AJAX
  • AJAX Concepts
  • JavaScript Frameworks, Libraries, and Developer Roles
  • JavaScript Outside of the Browser
  • JavaScript Tools and Workflows
  • JavaScript is Everywhere
  • Character Builder
  • Control Flow With Conditional Statements
  • Control Flow With Loops
  • Dictionaries in Swift
  • Introduction to Collections
  • Swift Operators
  • Swift Types
  • An Introduction to Swift Programming
  • Flask Templates
  • Welcome to Flask
  • Creating and Modifying Database Tables
  • Telling the Story
  • Designing for your User’s "To-be"
  • Day 3: Getting Creative
  • Day 2: Advanced Selecting
  • Day 1: Joining Tables
  • Orientation: Selecting Data
  • 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
  • Understanding your User’s “As-is” Scenario
  • Becoming Acquainted with Your User
  • Becoming a Design Thinker
  • Adding Data to a Database
  • Finding the Data You Want
  • Getting Data from a Database
  • Data, Databases and SQL
  • The Lambda Lambada
  • Functional Workhorses
  • Functional Rules
  • Covering Your Bases
  • Be Assertive!
  • What Is Testing?
  • Gettin' CRUD-y With It
  • Scrum Artifacts
  • Scrum Events
  • Introducing Scrum
  • What is Agile?
  • Searching Names
  • Sorting Algorithms
  • Merge Sort and Linked Lists
  • The Merge Sort Algorithm
  • Building a Linked List
  • Exploring Arrays
  • Dice Roller
  • Python: Advanced Objects
  • Python: Inheritance
  • Python: Instant Objects
  • Iterating and Packing with Dictionaries
  • Introducing Dictionaries
  • Sequence Operations
  • Sequence Iterations
  • Packing and Unpacking
  • Getting Info In and Out of Functions
  • Introduction to Functions
  • Build an Application
  • Getting to Know Tuples
  • Using Lists
  • Meet Lists
  • Recursion and Space Complexity
  • Practice Functions
  • All Together Now
  • Functions and Looping
  • Types and Branching
  • Meet Python
  • Algorithms in Code
  • Time Complexity
  • Playing a Counting Game
  • Responsive Layouts With the Bootstrap Grid
  • Getting to Know Bootstrap 4
  • Arrow Functions
  • Pass Information Into Functions
  • Create Reusable Code with Functions
  • The Math Object
  • Working with Numbers
  • Making Decisions in Your Code with Conditional Statements
  • Working With Strings
  • Storing and Tracking Information with Variables
  • Hello, JavaScript!
  • Working with jQuery Collections (2017)
  • Understanding jQuery Events and DOM Traversal (2017)
  • Introducing jQuery (2017)
  • Advanced Selectors
  • Going Further with Attribute Selectors and Pseudo-Classes
  • Selectors - Beyond the Basics
  • Traversing the DOM
  • Responding to User Interaction
  • Making Changes to the DOM
  • Getting a Handle on the DOM
  • The Browser Environment
  • JavaScript Objects
  • JavaScript Arrays
  • JavaScript Loops
  • Choosing Options
  • Organizing Forms
  • Form Basics
  • 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
  • Introducing CRUD Applications
  • Adding a List Page
  • Modeling and Presenting Data
  • Controlling Layout with CSS Display Modes
  • Getting Started with CSS Layout
  • JavaScript Functions
  • JavaScript Conditional Statements
  • Views
  • Controllers
  • Project Setup
  • JavaScript Numbers
  • JavaScript Variables
  • Introducing JavaScript
  • Fundamental Concepts
  • Designing with the Latest Features
  • Basic Layout
  • The Box Model
  • What To Test
  • Test Driven Development
  • Writing Unit Tests
  • Unit Testing
  • Understanding Values and Units
  • Basic Selectors
  • Getting Started with CSS
  • 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
  • Query Builder
  • Query Operators
  • First Commits
  • Going Further with HTML
  • Functional!
  • Now You're Querying!
  • Sets and Dictionaries
  • Lists
  • Vulnerabilities: Configuration, Components, and Logging
  • Vulnerabilities: Authentication, Access, and Sensitive Data
  • Vulnerabilities:  Injection, XSS, CSRF
  • The OWASP Top 10 Explained
  • Maintaining Secure Web Apps
  • Protecting Data and Keeping Attackers Out
  • Why Protect Your Web Apps
  • Security: Solutions
  • Security: Concerns
  • Security in Practice
  • Common Attacks and Defenses
  • Hello Internet!
  • Images, Text and Links
  • Arrays
  • Data Retreiver
  • Structuring Your Content
  • Getting Started With HTML
  • Serialized!
  • MASH JavaScript
  • MASH CSS
  • MASH HTML
  • Treehouse Club - JavaScript
  • Data Parser
  • Finishing the Game
  • Introducing JavaScript
  • How to Make Wireframes in Adobe XD
  • How to Make Wireframes in Sketch
  • How to Make Wireframes in Balsamiq
  • How to Make Wireframes on Paper
  • Data Reader
  • What is Wireframing?
  • Principles of Design
  • Elements of Design
  • 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
  • GET and POST Requests in a Browser
  • Introduction to HTTP
  • Abstraction
  • System.Object
  • Polymorphism
  • Treehouse Club - CSS
  • Welcome to the Treehouse Club
  • DNS Basics
  • Graphic Basics
  • WWW
  • The Internet
  • Computer Languages
  • Computer Basics
  • Loops and Final Touches
  • Encapsulation with Properties
  • Encapsulation and Arrays
  • Inheritance
  • Methods
  • Object-Oriented Programming
  • If Statements
  • Numbers
  • Strings
  • Methods
  • C# Syntax
  • Our Diary App
  • Meet Peewee
  • Python Regular Expressions
  • Timezones
  • Math Quiz App
  • Dates and Times
  • Buggy Logs
  • Cleaner Code
  • Hack-n-Slash
  • Python Inheritance
  • Python Objects
  • Dungeon Game
  • Tuples
  • Dictionaries
  • Slices
  • Lists Redux
  • Letter Game App
  • Number Game App
  • Shopping List App
  • Logic in Python
  • Python Data Types
  • Python For Beginners
  • Newbie