David Axelrod

David Axelrod

Member Since May 9, 2015

College sophomore at Binghamton University. Love the track system on treehouse!

412 Achievements

  • Python File Systems Navigation
  • Python: Advanced Objects
  • Python: Inheritance
  • Python: Instant Objects
  • Introducing Spreadsheets
  • Dungeon Game 2
  • Python Sets
  • Python Tuples
  • Python Dictionaries
  • Python Slices
  • Python Lists
  • Swift Operators
  • Swift Types
  • An Introduction to Swift Programming
  • 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
  • Component Lifecycle
  • Designing Dataflow
  • Stateful Components
  • Thinking in Components
  • First Steps in React
  • Integrating 3rd Party APIs
  • Implementing Redux
  • Implementing React Native
  • Why React Native
  • Box Modeling Techniques
  • Working with Primitives
  • Array Iteration
  • Getting Started in Maya LT
  • Where and How Big Data Is Used
  • What is Big Data
  • Security: Solutions
  • Security: Concerns
  • Meet Selenium
  • What to Test
  • Creating the MVP
  • Harnessing the Power of Objects
  • Meet Objects
  • Treehouse Club - CSS
  • Getting to Know Bootstrap 4
  • Implementing a Forecast Client
  • Customizing Class-based Views
  • Classy Views
  • Asynchronous Error Handling
  • Closures in Cocoa Touch
  • Building Standard Library Functions
  • Closure Expressions
  • First Class Functions
  • Protocol Oriented Networking
  • Fetching Data From the Web
  • Modeling Forecast Data
  • Introduction to Optionals
  • Introduction to Enumerations
  • Differentiating Between Objects
  • Class Inheritance
  • Classes
  • Complex Data Structures
  • Function Parameters
  • Functions in Swift 2.0
  • Deploying to a Device
  • Debugging Our App
  • Improving Our User Interface
  • Using a Data Model
  • Views and View Controllers
  • Getting Started with Xcode
  • Starting a Freelance Career
  • Control Flow with Conditional Statements
  • Control Flow With Loops
  • Swift Dictionaries
  • Introduction to Collections
  • Swift Operators
  • Swift Types
  • An Introduction to Swift Programming
  • Detail View
  • List View
  • The Django Admin
  • Total Control
  • Basic ORM Usage
  • Same Old ORM
  • Getting Started with MongoDB
  • Inlines and Media
  • Django Model Forms
  • Django Models
  • Welcome to the Treehouse Club
  • Letter Game App
  • Number Game App
  • Shopping List App
  • Logic in Python
  • Security and Customization
  • Make the REST Framework Work for You
  • RESTful Django
  • Customizing WordPress Themes
  • WordPress Themes
  • Installing Wordpress
  • Computer Languages
  • Computer Basics
  • What Do User Experience Designers Do?
  • What is User Experience (UX)?
  • Python Data Types
  • API Protection
  • Resourceful Blueprints
  • Python For Beginners
  • Prototyping With Bootstrap
  • Introduction to Front-End Frameworks
  • Doing More with Express
  • Serving Static Files in Express
  • Using Templates with Express
  • The Request and Response Objects in Express
  • Developing Express Apps Like a Boss
  • Getting Started with Express
  • Django Forms
  • Save for the Web
  • Introduction to Brand Identity
  • Adding Images and a Mockup
  • Logo Design
  • Creating a Wireframe
  • Introducing Adobe Illustrator
  • Testing and Debugging
  • Improving Our Code
  • Basic Android Programming
  • How To Test
  • Why Test
  • Creating the Screen Layout
  • Getting Started with Android
  • Perfect
  • Perform
  • Console I/O
  • Prepare and Plan
  • 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
  • Getting Started with PHP
  • Site Building with the Drupal Interface
  • Learn About Drupal
  • Debugging Games
  • Lights, Audio, and Animation
  • Assets and Game Objects
  • The 3D Views
  • Scrum Artifacts
  • Scrum Events
  • Introducing Scrum
  • What is Agile?
  • Store Inventory Using Modules
  • Include and Extend
  • Ruby Core Modules
  • Writing Your Own Java Annotation
  • Using Java's Built-In Annotations
  • Event Planning
  • Build a Pomodoro App
  • Exterminator
  • Design a Better App
  • Graphical User Interfaces
  • Building Custom Filters
  • Building Custom Tags
  • Template Tags and Filters
  • Test Time!
  • WWW
  • The Internet
  • Final Details
  • Django Templates
  • Model Administration
  • What a View
  • Say Hello to Django
  • Creating Reports
  • Charts and Tables
  • Exporting
  • Cleaning Data
  • Describing Data
  • Getting Started with Data Science
  • The Lambda Lambada
  • Functional Workhorses
  • Functional Rules
  • Tacocat Challenge
  • How to Win Friends
  • Broadcasting
  • Takin' Names
  • Making Strong Users
  • Character Builder
  • Flask Templates
  • Welcome to Flask
  • Choosing Options
  • Organizing Forms
  • Form Basics
  • Covering Your Bases
  • Be Assertive!
  • What Is Testing?
  • Gettin' CRUD-y With It
  • Our Diary App
  • Meet Peewee
  • Python Regular Expressions
  • Timezones
  • Math Quiz App
  • Dates and Times
  • Buggy Logs
  • Cleaner Code
  • Local Python
  • Hack-n-Slash
  • Python Inheritance
  • Python Objects
  • Dungeon Game
  • Tuples
  • Dictionaries
  • Slices
  • Lists Redux
  • Pick a Number! Any Number!
  • Putting the "Fun" Back in "Functions"
  • Shopping List
  • Things That Count
  • Ins & Outs
  • Say Hello to Python
  • Improving your Gulp Workflow
  • Compile Sass with Gulp
  • Gulp your JavaScript workflow!
  • Welcome to Gulp.js
  • HTTP Methods and Headers
  • 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
  • Quiz Practice Project
  • Prototypal Inheritance
  • Constructor Functions & Prototypes
  • Introduction to Methods
  • AJAX and APIs
  • jQuery and AJAX
  • Programming AJAX
  • AJAX Concepts
  • Traversing and Manipulating the DOM with JavaScript
  • Selecting Elements and Adding Events with JavaScript
  • JavaScript and the DOM
  • Using a jQuery Carousel
  • Add a Sticky Navigation Bar
  • Introducing jQuery Plugins
  • 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
  • JavaScript Objects
  • JavaScript Arrays
  • JavaScript Loops
  • Interacting with Google+ APIs
  • Connecting to Play Services
  • Interacting with Your API
  • Adding Play Services to Your App
  • Migrating a SQLite Database
  • CRUD Operations with SQLite
  • Using SQLite for Structured Data
  • Key-Value Saving with SharedPreferences
  • File Storage
  • Introduction to Data Persistence
  • Adding Push Notifications from Parse.com
  • Updating Other GridViews
  • Customizing a GridView for Friends
  • Customizing a ListView for the Inbox
  • Customizing the Action Bar
  • Using Custom Styles and Themes
  • Customizing the Login Screen
  • Starting with Design Mockups
  • Self-Destruction
  • Retrieving and Viewing Messages
  • Sending Messages
  • Ruby Module Basics
  • Capturing Photos and Videos
  • Relating Users in Parse.com
  • Using Fragments for Tabs
  • Adding Users Using Parse.com
  • Starting the App
  • Acting on List Item Taps
  • Lists with RecyclerViews
  • Using Parcelable Data
  • Custom ListViews
  • Standard ListViews
  • 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
  • Using Git for Android
  • Getting Started with Genymotion
  • Getting Started with Android Studio
  • Publishing on Google Play
  • Finishing the User Interface
  • The Model-View-Controller Pattern
  • Intents and Multiple Activities
  • User Input
  • Testing and Debugging
  • Improving Our Code
  • Coding the Fun Facts
  • Basic Android Programming
  • Creating the Initial Screen Layout
  • Getting Started with Android
  • Advanced Tooling
  • IDE Exploration
  • How it Works
  • Efficiency!
  • Exploring the Java Collections Framework
  • Organizing Data
  • Getting There
  • Delivering the MVP
  • Creating the MVP
  • Harnessing the Power of Objects
  • Meet Objects
  • Perfecting the Prototype
  • Using your New Tools
  • Getting Started with Java
  • Database Security
  • Queries & Results
  • Getting Started with PDO
  • Contact Forms & Mailers
  • Slim and Templates
  • Dependency Management
  • 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
  • Cleanup and Feature Merge
  • Maintaining The Test Suite
  • Polishing Rails Applications
  • Static Pages with Rails
  • Input and Output
  • Search
  • Ruby Class Design
  • Blocks Practice
  • Working With Blocks
  • Ruby Blocks
  • Build a Simple Todo List Program
  • Ruby Booleans
  • 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
  • Password Resets and Testing
  • Adding User Support to Our Application
  • Password Hashing and Sign-In
  • AR Extensions
  • Callbacks
  • Query Interface
  • Validation
  • DNS Basics
  • Graphic Basics
  • Migrations and Relationships
  • Introduction to ActiveRecord
  • Build a Todo List Application with Rails 4
  • Securing and Maintaining a MySQL Database
  • SQL Calculating, Aggregating and Other Functions
  • Joining Relational Data Between Tables in SQL
  • Manipulating Schema with SQL
  • Creating Tables and Manipulating Data with SQL
  • Reading Data from Databases with SQL
  • Installing MySQL Server and MySQL Workbench
  • Introduction to Data, Databases and SQL
  • Installing a Ruby Development Environment
  • Workflows
  • Working With Remote Repositories
  • Merging
  • Branches
  • Getting Started With Git
  • Why Version Control Matters
  • Installing Programs
  • Environment and Redirection
  • Console Processes
  • Console Users and Permission
  • Moving Around in the Console
  • Ruby Methods
  • Ruby Numbers (Ruby Basics)
  • Ruby Strings (Ruby Basics)
  • How Ruby Works
  • JavaScript Functions
  • JavaScript Conditional Statements
  • JavaScript Numbers
  • JavaScript Variables
  • Introducing JavaScript
  • 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
  • Newbie