Andre Kettschau

Andre Kettschau

Member Since June 30, 2013

20,054

Total Points

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Skills & Experience

  • Spoken Languages

    • german
    • english

207 Achievements

  • What is User Experience (UX)?
  • Threads in Android
  • Ingredients and Directions
  • Managing Fragments
  • Introducing Fragments
  • UI Testing with Espresso
  • Unit Testing - Now Featuring Robolectric!
  • Unit Testing
  • Activity Transitions: Advanced Topics
  • Shared Element Transitions
  • Transitions Framework
  • Animation Basics
  • 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
  • Customizing the Login Screen
  • 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
  • PHP Inheritance & Interfaces
  • PHP Properties & Methods
  • PHP Objects and Classes
  • Concurrency and Error Handling
  • Networking
  • Exploring an API
  • Basic Selectors
  • Traversing and Manipulating the DOM with JavaScript
  • Selecting Elements and Adding Events with JavaScript
  • JavaScript and the DOM
  • Building a Command Line Application
  • Introduction to Node.js
  • AJAX and APIs
  • jQuery and AJAX
  • DNS Basics
  • Graphic Basics
  • Programming AJAX
  • AJAX Concepts
  • Workspace Basics
  • Getting Started with CSS
  • JavaScript Functions
  • JavaScript Conditional Statements
  • JavaScript Numbers
  • JavaScript Variables
  • Introducing JavaScript
  • Starting with Design Mockups
  • Self-Destruction
  • Retrieving and Viewing Messages
  • Sending Messages
  • Capturing Photos and Videos
  • Chrome DevTools Basics
  • Relating Users in Parse.com
  • Website Basics
  • Using Fragments for Tabs
  • Adding Users Using Parse.com
  • Starting the App
  • Using Git for Android
  • Getting Started with Genymotion
  • Finishing the User Interface
  • The Model-View-Controller Pattern
  • Intents and Multiple Activities
  • User Input
  • Publishing on Google Play
  • Testing and Debugging
  • Improving Our Code
  • Coding the Fun Facts
  • Basic Android Programming
  • Perfecting the Prototype
  • Using your New Tools
  • Getting Started with Java
  • Creating the Initial Screen Layout
  • Getting Started with Android
  • 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
  • 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
  • Using Intents to Display and Share Posts
  • Adapting Data for Display in a List
  • Getting Data from the Web
  • Rebuilding from Scratch
  • Exploring the Master-Detail Template
  • Sharing Your Creation
  • Interrogating the App
  • Shaking Things Up
  • Pretty Little Things
  • Learning the Language
  • Getting Started with Android
  • HTML First
  • Beginning HTML and CSS
  • Installing Programs
  • Environment and Redirection
  • Console Processes
  • Limiting Results in Queries
  • Using Relationship Tables
  • Filtering Input for Queries
  • Querying the Database
  • Getting Started with Android Studio
  • Connecting to MySQL
  • 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
  • Paginating a List: Model and View
  • Paginating a List: Controller
  • Adding Search: Model
  • Adding Search: Controller & View
  • Refactoring the Codebase
  • Cleaning URLs with Rewrite Rules
  • Cleaning URLs with Subfolders
  • Integrating Validation Errors
  • Simple PHP Application: Wrapping Up The Project
  • Working with PHP Functions
  • Integrating With Paypal
  • Workflows
  • Working With Remote Repositories
  • Merging
  • Branches
  • Getting Started With Git
  • Why Version Control Matters
  • Listing Inventory Items
  • Adding a Contact Form
  • Creating the Menu and Footer
  • Getting Started with PHP
  • Console Users and Permission
  • Customizing Google Maps
  • Google Maps Integration
  • jQuery Plugins
  • Web Apps
  • Websites
  • Introduction
  • Form Validation and Manipulation
  • Introduction to jQuery
  • JavaScript Objects
  • JavaScript Functions
  • JavaScript Arrays
  • Moving Around in the Console
  • JavaScript Numbers
  • Advanced Techniques
  • Responsive Design
  • Adaptive Design
  • Fluid Foundation
  • Introduction to Responsive Web Design
  • Media Queries
  • CSS Animations
  • Transitions and Transforms
  • Flexbox and Multi-Column Layout
  • JavaScript Strings
  • Introduction Variables
  • Gradients
  • Functions
  • Objects and Arrays
  • Control Structures
  • Basics
  • Web Typography
  • Backgrounds and Borders
  • CSS Box Model
  • Text, Fonts, and Lists
  • Values and Units
  • Advanced Selectors
  • Selectors
  • Getting Started with CSS
  • Forms
  • Tables
  • Objects
  • Links
  • Lists
  • Text
  • Introduction
  • Launching the Website
  • Styling Content
  • Creating a Website Structure
  • Text Editors and HTML
  • Website Basics
  • Newbie