David Bell

David Bell

Member Since September 3, 2014

Video Game Enthusiast and QA Professional

16,981

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Skills & Experience

  • Company

    House or Residence

203 Achievements

  • Creating the Screen Layout
  • Getting Started with Android
  • Testing and Debugging
  • Improving Our Code
  • Basic Android Programming
  • Creating the Screen Layout
  • Getting Started with Android
  • Meet Objects
  • Imposter Syndrome
  • Give and Receive Feedback
  • Vulnerabilities: Configuration, Components, and Logging
  • Vulnerabilities: Authentication, Access, and Sensitive Data
  • Vulnerabilities:  Injection, XSS, CSRF
  • The OWASP Top 10 Explained
  • Maintaining Secure Web Apps
  • Protecting Data and Keeping Attackers Out
  • Why Protect Your Web Apps
  • Security: Solutions
  • Security: Concerns
  • Security in Practice
  • Common Attacks and Defenses
  • Hello Internet!
  • Meet Selenium
  • Creating New Sinatra Apps
  • Python For Beginners
  • WordPress Admin Settings
  • WordPress User Roles
  • WordPress Plugins
  • WordPress Themes
  • The WordPress Customizer
  • Managing Media in WordPress
  • Managing Content in WordPress
  • How to Install WordPress on Your Computer
  • 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 Objects
  • JavaScript Arrays
  • 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
  • Introduction to Video Games
  • Working with a Developer
  • Designing our App
  • Describing Data
  • JavaScript Loops
  • Fundamental Concepts
  • Designing with the Latest Features
  • Basic Layout
  • Getting Started with Data Science
  • Meet Objects
  • Getting Started with WordPress
  • Perfecting the Prototype
  • Using your New Tools
  • Getting Started with Java
  • The Box Model
  • Understanding Values and Units
  • Basic Selectors
  • Getting Started with CSS
  • Flask Templates
  • Welcome to Flask
  • Wireframing, Interaction Design and Planning
  • Choosing Options
  • Organizing Forms
  • Form Basics
  • Blocks Practice
  • Working With Blocks
  • JavaScript Functions
  • JavaScript Conditional Statements
  • JavaScript Numbers
  • JavaScript Variables
  • Introducing JavaScript
  • Gettin' CRUD-y With It
  • Our Diary App
  • Ruby Testing
  • Standard Library
  • Ruby Core
  • Ruby Modules
  • Ruby Blocks
  • Ruby Procs & Lambdas
  • Ruby Blocks
  • Ruby Methods
  • Ruby Numbers
  • Ruby Loops
  • Build a Simple Todo List Program
  • ADS Writing and Preparation
  • Introduction to UI Design
  • Improving Usability
  • Ruby Booleans
  • Build a Bank Account Class
  • Ruby Hashes
  • Ruby Arrays
  • Objects, Classes, and Variables
  • Meet Peewee
  • Ruby Variables and Methods
  • Ruby Objects and Classes
  • Build a Simple Contact List
  • Mobile Usability
  • Website Usability
  • Ruby Iteration
  • Ruby Loops
  • Build a Grocery List Program
  • Ruby Hashes
  • Ruby Arrays
  • Ruby Logical Operators
  • Ruby Strings
  • Ruby Basics
  • Ruby Control Structures
  • Installing a Ruby Development Environment
  • Workflows
  • Working With Remote Repositories
  • Merging
  • Branches
  • Getting Started With Git
  • Why Version Control Matters
  • Ruby Operators
  • Ruby Methods
  • Ruby Numbers (Ruby Basics)
  • Ruby Strings (Ruby Basics)
  • How Ruby Works
  • Python Regular Expressions
  • Getting Started with PHP
  • Forms
  • Tables
  • Objects
  • Links
  • Lists
  • Text
  • Introduction
  • Debugging HTML and CSS Problems
  • Sharing a Website
  • Responsive Web Design and Testing
  • Installing Programs
  • Environment and Redirection
  • Console Processes
  • Console Users and Permission
  • Adding Pages to a Website
  • Moving Around in the Console
  • Styling Web Pages and Navigation
  • Customizing Colors and Fonts
  • CSS: Cascading Style Sheets
  • Creating HTML Content
  • HTML First
  • Beginning HTML and CSS
  • 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
  • Functions
  • Objects and Arrays
  • Control Structures
  • Basics
  • JavaScript Objects
  • Pick a Number! Any Number!
  • Putting the "Fun" Back in "Functions"
  • Shopping List
  • Things That Count
  • Ins & Outs
  • Say Hello to Python
  • JavaScript Functions
  • Publishing on Google Play
  • Start menu and App Icon
  • Sound Design
  • Animating and Saving Sprites
  • Designing Characters and a Scene
  • Business Plan for Freelance Business
  • Business Plan Basics
  • JavaScript Arrays
  • What is Usability?
  • Basic Android Programming
  • Creating the Initial Screen Layout
  • Getting Started with Android
  • Introduction to Game Design
  • Moving Forward with UX
  • Tools UXers Use
  • How UXers Think
  • What Do User Experience Designers Do?
  • JavaScript Numbers
  • JavaScript Strings
  • What is User Experience (UX)?
  • Introduction Variables
  • Newbie