ofir Dahan

ofir Dahan

Member Since April 29, 2014

12,705

Total Points

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

143 Achievements

  • Component Lifecycle
  • Designing Dataflow
  • Stateful Components
  • Thinking in Components
  • First Steps in React
  • Building a Layout with Flexbox
  • Flexbox Properties
  • Understanding Flexbox
  • Gems In Depth
  • Ruby Gems
  • JavaScript Functions
  • JavaScript Conditional Statements
  • JavaScript Numbers
  • JavaScript Variables
  • Introducing JavaScript
  • A Route to a Delete Action
  • Routes to Update Actions
  • Routes for Create Actions
  • A Route to a Read Action
  • Rails Resource Index
  • Choosing Options
  • Organizing Forms
  • Form Basics
  • Adding a Model Attribute
  • Using the Rails Console
  • Handling Rails Requests
  • Creating Rails Apps
  • Subqueries
  • Set Operations
  • Sinatra Finishing Touches
  • Updating Data in Sinatra
  • Adding New Data in Sinatra
  • Sinatra ERB Templates
  • Creating New Sinatra Apps
  • Python For Beginners
  • 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
  • Build a Bank Account Class
  • Ruby Variables and Methods
  • Ruby Objects and Classes
  • Build a Simple Contact List
  • Joining Table Data with SQL
  • Table Relationships
  • Database Keys
  • Database Normalization
  • Ruby Iteration
  • Ruby Loops
  • Build a Grocery List Program
  • Ruby Hashes
  • Ruby Arrays
  • UI Testing with Espresso
  • 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
  • Finishing the User Interface
  • The Model-View-Controller Pattern
  • Intents and Multiple Activities
  • User Input
  • File Uploads and Entity Updates in Spring + Hibernate
  • User Messages in Spring
  • Getting Started with CRUD in Spring + Hibernate
  • Data-Driven Application Design
  • Integrating Hibernate with Spring
  • Persisting Data with Hibernate
  • Getting Started with Hibernate
  • Data Persistence & ORMs
  • Handling Errors When Manipulating Data
  • Deleting Data from a Database
  • Updating Data in a Database
  • 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
  • Adding Data to a Database
  • Using the MVC Architecture with Spring
  • Modeling, Storing, and Presenting Data with Spring
  • Creating Spring Controllers and Thymeleaf Views
  • Spring Components and Configuring Our App
  • Bells and Whistles
  • Diving into Web Development
  • GET and POST Requests in a Browser
  • Introduction to HTTP
  • Testing and Debugging
  • Improving Our Code
  • Basic Android Programming
  • Creating the Screen Layout
  • Beginning HTML and CSS
  • Getting Started with Android
  • Ruby Logical Operators
  • Ruby Control Structures
  • Ruby Operators
  • Ruby Methods
  • Ruby Numbers (Ruby Basics)
  • Ruby Strings (Ruby Basics)
  • How Ruby Works
  • Getting the REST You Need
  • Using Java's Built-In Annotations
  • Setting Up Your Local Environment for Spring Development
  • Finding the Data You Want
  • Getting Data from a Database
  • Data, Databases and SQL
  • What to Test
  • How To Test
  • Principles
  • Elements
  • Why Test
  • Event Planning
  • Build a Pomodoro App
  • Design a Better App
  • Graphical User Interfaces
  • 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
  • Newbie