Luis Henrique Witz

Luis Henrique Witz

Member Since June 29, 2015

16,505

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197 Achievements

  • Component Lifecycle
  • Designing Dataflow
  • Scrum Artifacts
  • Scrum Events
  • Introducing Scrum
  • What is Agile?
  • Welcome to Gulp.js
  • Stateful Components
  • Thinking in Components
  • First Steps in React
  • Build a Simple Contact List
  • Ruby Iteration
  • Ruby Loops
  • Python Data Types
  • Python For Beginners
  • How it Works
  • Solving an Important Problem
  • Introducing SharedPreferences
  • The Activity Lifecycle
  • Presentation Skills
  • Important Skills For Professional Success
  • Acting on List Item Taps
  • Lists with RecyclerViews
  • But Wait There's More!
  • Bound Services
  • Introducing Services
  • Threads in Android
  • 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
  • Doing More with Express
  • Serving Static Files in Express
  • Using Templates with Express
  • The Request and Response Objects in Express
  • Adding Play Services to Your App
  • Developing Express Apps Like a Boss
  • Getting Started with Express
  • Updating and Uninstalling Packages with npm
  • Installing Packages with npm
  • What is npm?
  • Quiz Practice Project
  • Prototypal Inheritance
  • Constructor Functions & Prototypes
  • Introduction to Methods
  • AJAX and APIs
  • jQuery and AJAX
  • Programming AJAX
  • Testing the Whole App
  • Rails Routing
  • User Input
  • AJAX Concepts
  • Writing Tests
  • Testing and Debugging
  • Improving Our Code
  • Basic Android Programming
  • Creating the Screen Layout
  • Customizing Ruby on Rails Forms
  • Ruby on Rails Authentication
  • Rails Frontend Development
  • Getting Started With Rails
  • Traversing and Manipulating the DOM with JavaScript
  • Selecting Elements and Adding Events with JavaScript
  • JavaScript and the DOM
  • Using a jQuery Carousel
  • Store Inventory Using Modules
  • Include and Extend
  • Ruby Core Modules
  • Ruby Module Basics
  • Blocks Practice
  • Working With Blocks
  • Ruby Blocks
  • Ruby Logical Operators
  • Ruby Control Structures
  • Ruby Operators
  • Ruby Standard Library: Part 2
  • Ruby Standard Library: Part 1
  • Ruby Core
  • API Authentication
  • Coding the API
  • Route Connections
  • Introduction to REST
  • Build a Bank Account Class
  • Ruby Variables and Methods
  • Ruby Objects and Classes
  • Add a Sticky Navigation Bar
  • Introducing jQuery Plugins
  • Creating a Simple Drawing Application
  • Creating a Password Confirmation Form
  • Managing Media in WordPress
  • Managing Content in WordPress
  • How to Install WordPress on Your Computer
  • Getting Started with WordPress
  • Creating a Mobile Drop Down Menu
  • Creating a Simple Lightbox
  • Creating a Spoiler Revealer
  • Introduction to jQuery
  • JavaScript Objects
  • JavaScript Arrays
  • Getting the REST You Need
  • Working with Text
  • Ordering, Limiting and Paging Results
  • Getting Started with Android
  • Slices
  • Lists Redux
  • Improving Our Todo App
  • Services in Angular
  • Using Angular's Built-in Directives
  • Controllers and Scope
  • Getting Started with Angular
  • Understanding MongoDB
  • Getting Started with MongoDB
  • JavaScript Loops
  • Choosing Options
  • Organizing Forms
  • Form Basics
  • Fundamental Concepts
  • Designing with the Latest Features
  • 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
  • Working with Rails Layouts
  • Zurb Foundation on Rails
  • Remember Me
  • Basic Layout
  • The Box Model
  • Understanding Values and Units
  • Pick a Number! Any Number!
  • Putting the "Fun" Back in "Functions"
  • Shopping List
  • Things That Count
  • Ins & Outs
  • Say Hello to Python
  • Basic Selectors
  • Getting Started with CSS
  • Password Resets and Testing
  • Adding User Support to Our Application
  • Password Hashing and Sign-In
  • AR Extensions
  • Callbacks
  • Query Interface
  • Validation
  • Migrations and Relationships
  • Introduction to ActiveRecord
  • 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
  • Build a Todo List Application with Rails 4
  • 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
  • JavaScript Functions
  • JavaScript Conditional Statements
  • JavaScript Numbers
  • JavaScript Variables
  • Introducing JavaScript
  • Ruby Methods
  • Ruby Numbers (Ruby Basics)
  • Ruby Strings (Ruby Basics)
  • How Ruby Works
  • 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