David Frenkel

David Frenkel

Budapest, Hungary
Open to Work

14,548

Total Points

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Skills & Experience

  • Company

    iMind

  • Spoken Languages

    • Hungarian
    • English
    • Spanish
    • Hebrew

181 Achievements

  • Is This Thing On?
  • Putting It All Together
  • Modelling Solitaire
  • Hello Kotlin!
  • Threads in Android
  • Adding Play Services to Your App
  • Introduction to Data Persistence
  • Activity Transitions: Advanced Topics
  • Shared Element Transitions
  • Transitions Framework
  • Animation Basics
  • The Activity Lifecycle
  • Tablet Time
  • Ingredients and Directions
  • Managing Fragments
  • Introducing Fragments
  • 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
  • Testing and Debugging
  • Improving Our Code
  • Basic Android Programming
  • Creating the Screen Layout
  • Getting Started with Android
  • 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
  • Function Parameters
  • Functions in Swift 2.0
  • Control Flow with Conditional Statements
  • Control Flow With Loops
  • Swift Dictionaries
  • Introduction to Collections
  • Swift Operators
  • Swift Types
  • An Introduction to Swift Programming
  • 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
  • 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
  • Selecting Elements and Adding Events with JavaScript
  • JavaScript and the DOM
  • Creating a Spoiler Revealer
  • Introduction to jQuery
  • Build a Grocery List Program
  • Ruby Hashes
  • JavaScript Objects
  • JavaScript Arrays
  • JavaScript Loops
  • Implementing the Detail View
  • Custom Table View Cells
  • Next Week's Weather
  • Upgrading Stormy
  • Introduction to Table Views
  • JavaScript Functions
  • Refreshing the Data
  • Adding Weather Icons
  • Managing Complexity
  • JavaScript Conditional Statements
  • Ruby Arrays
  • Interacting With Data From the Web
  • Simple Data Structures
  • Delegation in iOS
  • Introduction to Delegates
  • Functions as First Class Citizens
  • Closures in iOS
  • Closures and Closure Expressions
  • Creating Flexible Objects with Protocols
  • Protocols
  • Ruby Logical Operators
  • Ruby Control Structures
  • Ruby Operators
  • JavaScript Numbers
  • JavaScript Variables
  • Debugging HTML and CSS Problems
  • Sharing a Website
  • Introducing JavaScript
  • 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
  • Ruby Methods
  • Ruby Numbers (Ruby Basics)
  • Ruby Strings (Ruby Basics)
  • How Ruby Works
  • Listing Data using NSFetchedResultsController
  • Inserting and Saving Data
  • Understanding Core Data
  • ADS Writing and Preparation
  • Introduction to UI Design
  • Refactoring Our Code (Swift)
  • Building the Master and Detail Views (Swift)
  • Building a Music Library and Playlists (Swift)
  • Using a Navigation Controller With Segues (Swift)
  • Working With Multiple View Controllers (Swift)
  • Downloading Data with NSURLSession
  • Collection Views
  • Functional Programming in C
  • Fundamentals of C
  • Swift Value vs Reference Types
  • Swift Properties
  • Swift Inheritance
  • Beginning HTML and CSS
  • Swift Classes and Objects
  • Displaying Our Weather Data
  • Data Modeling With Structures
  • Concurrency
  • Pulling Data From the Web
  • Deploying to a Device
  • Debugging Our App
  • Improving Our User Interface
  • Using a Data Model
  • Views and View Controllers
  • Getting Started with Xcode
  • Swift Structs and their Methods
  • Swift Structs
  • Swift Enums and their Methods
  • Swift Enums
  • Swift Optionals
  • Swift Parameters and Tuples
  • Swift Functions
  • Control Flow
  • Collections
  • Operators
  • Types
  • Variables and Constants
  • Adaptive Design
  • Fluid Foundation
  • Introduction to Responsive Web Design
  • Relating Users in Parse.com
  • Using Parse.com as a Backend and Adding Users
  • Designing and Starting the App
  • Selectors
  • Getting Started with CSS
  • Launching the Website
  • Styling Content
  • Creating a Website Structure
  • Text Editors and HTML
  • Website Basics
  • Viewing a Web Page
  • Adapting Data for Display
  • Data Modeling
  • Getting Data from the Web
  • Rebuilding from Scratch
  • Exploring the Master-Detail Template
  • Share Your Creation
  • Animate This
  • Shaking Things Up
  • Making It Pretty
  • Learning the Language
  • Getting Started with iPhone
  • Newbie