Welby Obeng

Welby Obeng

Milford, CT

System Engineer @ Private School and Researcher/Developer at Research Center on Computing & Society

Skills & Experience

  • Job Title

    System Engineer

  • Spoken Languages

    • English
    • Twi

182 Achievements

  • Getting the REST You Need
  • GET and POST Requests in a Browser
  • Introduction to HTTP
  • Error Handling in Swift 2.0
  • Creating Flexible Objects Using Protocols
  • Swift 2.0 Protocols
  • Objects and Optionals
  • Introduction to Optionals
  • Introduction to Enumerations
  • Running Apps on a Device
  • Improving Our User Interface
  • Structs as Data Models
  • View Controllers and Views
  • Getting Started with iOS Development
  • Differentiating Between Objects
  • Class Inheritance
  • Classes
  • Complex Data Structures
  • 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
  • JavaScript Numbers
  • JavaScript Variables
  • Introducing JavaScript
  • Building a Command Line Application
  • Introduction to Node.js
  • DNS Basics
  • Graphic Basics
  • WWW
  • Tacocat Challenge
  • How to Win Friends
  • Broadcasting
  • Takin' Names
  • Covering Your Bases
  • Be Assertive!
  • What Is Testing?
  • Making Strong Users
  • Character Builder
  • Flask Templates
  • Welcome to Flask
  • Workflows
  • Working With Remote Repositories
  • Merging
  • Branches
  • 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
  • Installing Programs
  • Environment and Redirection
  • Console Processes
  • Console Users and Permission
  • Moving Around in the Console
  • 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
  • Traversing and Manipulating the DOM with JavaScript
  • Selecting Elements and Adding Events with JavaScript
  • JavaScript and the DOM
  • JavaScript Objects
  • JavaScript Functions
  • JavaScript Arrays
  • JavaScript Numbers
  • JavaScript Strings
  • Introduction Variables
  • Media Queries
  • CSS Animations
  • Transitions and Transforms
  • Flexbox and Multi-Column Layout
  • Gradients
  • Web Typography
  • Backgrounds and Borders
  • CSS Box Model
  • Text, Fonts, and Lists
  • Values and Units
  • Getting Started with WordPress
  • Choosing Options
  • Organizing Forms
  • Form Basics
  • Web Apps
  • Websites
  • Introduction
  • Structuring Tables
  • Table Basics
  • Welcome to the Treehouse Club
  • PHP Loops
  • PHP Conditionals
  • PHP Datatypes
  • PHP Data & Structure
  • PHP Getting Started
  • PHP Inheritance & Interfaces
  • PHP Properties & Methods
  • PHP Objects and Classes
  • Limiting Results in Queries
  • Using Relationship Tables
  • Filtering Input for Queries
  • Querying the Database
  • 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
  • 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
  • Paginating a List: Model and View
  • Paginating a List: Controller
  • Getting Started With Git
  • Why Version Control Matters
  • 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
  • Listing Inventory Items
  • Adding a Contact Form
  • Creating the Menu and Footer
  • Getting Started with PHP
  • Functions
  • Objects and Arrays
  • Control Structures
  • Basics
  • Advanced Selectors
  • Selectors
  • Getting Started with CSS
  • Launching the Website
  • Styling Content
  • Creating a Website Structure
  • Text Editors and HTML
  • Website Basics
  • Forms
  • Tables
  • Objects
  • Links
  • Lists
  • Text
  • Introduction
  • Newbie