Justin Black

Justin Black

San Diego

Skills & Experience

  • Job Title

    Senior Lead Developer

  • Spoken Languages

    • English
  • Looking for work

    Yes

309 Achievements

  • Introducing JavaScript
  • Test Time!
  • Final Details
  • Security and Customization
  • Make the REST Framework Work for You
  • RESTful Django
  • Django Templates
  • Model Administration
  • What a View
  • Say Hello to Django
  • Welcome to Flask
  • Python Slices
  • Covering Your Bases
  • Be Assertive!
  • What Is Testing?
  • Gettin' CRUD-y With It
  • Our Diary App
  • Meet Peewee
  • Python Regular Expressions
  • Timezones
  • Math Quiz App
  • Dates and Times
  • Buggy Logs
  • Cleaner Code
  • Python Lists
  • Dice Roller
  • Python: Advanced Objects
  • Python: Inheritance
  • Python: Instant Objects
  • Letter Game App
  • Number Game App
  • Shopping List App
  • Logic in Python
  • Python Data Types
  • Python For Beginners
  •  Adding Color and Type
  • Creating an Icon
  • Introduction to Illustrator
  • Workflow Basics
  • Slices & Save for Web
  • Vector Shapes
  • Type Tools
  • Masks Basics
  • Layer Basics
  • Workspace Basics
  • Design Foundations Final
  • Becoming a Problem Solver
  • Understanding Aesthetics
  • Introduction to Design
  • Displaying Our Weather Data
  • Data Modeling With Structures
  • Concurrency
  • Video Marketing
  • Email Marketing
  • Search Engine Optimization
  • Usability Testing
  • Usability Basics
  • Social Media
  • Financing Our Company
  • Selling Your Product
  • Marketing Your Product
  • Product Market Fit
  • Discovery
  • Form Basics
  • Pulling Data From the Web
  • 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)
  • Deploying to a Device
  • Debugging Our App
  • Improving Our User Interface
  • Using a Data Model
  • Views and View Controllers
  • Getting Started with Xcode
  • Swift Value vs Reference Types
  • Swift Properties
  • Swift Inheritance
  • Swift Classes and Objects
  • 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
  • Error Handling
  • Creating Distributable OOP Packages
  • Autoloading and Composer
  • Databases and International Concerns
  • Starting Right with PHP Best Practices
  • Test Doubles
  • Acceptance Tests
  • Organizing your Tests
  • Creating Your Tests
  • Tools for Testers
  • How To Test Our Code
  • Ruby on Rails Authentication
  • Rails Frontend Development
  • Getting Started With Rails
  • Computer Languages
  • Computer Basics
  • Next Steps
  • Creating a Long Term Business
  • Protecting Yourself With Contracts
  • Establishing a Proper Workflow
  • Pricing and Project Proposals
  • Finding Your First Project
  • Starting a Freelance Career
  • Creating an App Tutorial
  • Blank Slates and Rails
  • Email with Rails
  • Modifying Todo Lists
  • Form Builders and Rails
  • Styling Rails Forms
  • Styling Rails Models
  • Ruby on Rails Helpers
  • Rails Partials
  • Styling a Header
  • Sass and Rails
  • Working with Rails Layouts
  • Zurb Foundation on Rails
  • Remember Me
  • Cleanup and Feature Merge
  • Maintaining The Test Suite
  • Polishing Rails Applications
  • Static Pages with Rails
  • API Authentication
  • Coding the API
  • Route Connections
  • Introduction to REST
  • Ruby Testing
  • Standard Library
  • Ruby Core
  • Ruby Modules
  • Ruby Procs & Lambdas
  • Ruby Blocks
  • Ruby Loops
  • Ruby Methods
  • Ruby Hashes
  • Ruby Arrays
  • Ruby Numbers
  • Ruby Strings
  • Objects, Classes, and Variables
  • Ruby Basics
  • Input and Output
  • Search
  • Ruby Class Design
  • 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
  • Build a Todo List Application with Rails 4
  • Installing a Ruby Development Environment
  • PHP Inheritance & Interfaces
  • PHP Properties & Methods
  • PHP Objects and Classes
  • 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
  • Fundamental Concepts
  • Designing with the Latest Features
  • 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
  • Blocks Practice
  • Working With Blocks
  • Ruby Blocks
  • Build a Simple Todo List Program
  • Ruby Booleans
  • Build a Bank Account Class
  • Ruby Variables and Methods
  • Ruby Objects and Classes
  • Build a Simple Contact List
  • Ruby Iteration
  • Ruby Loops
  • Build a Grocery List Program
  • Ruby Hashes
  • Ruby Arrays
  • Ruby Logical Operators
  • Ruby Control Structures
  • Ruby Operators
  • Ruby Methods
  • Ruby Numbers (Ruby Basics)
  • Ruby Strings (Ruby Basics)
  • How Ruby Works
  • Basic Layout
  • The Box Model
  • Understanding Values and Units
  • Basic Selectors
  • Getting Started with CSS
  • Database Security
  • Queries & Results
  • Getting Started with PDO
  • PHP Internal Functions
  • PHP Returns & Closures
  • PHP Functions Basics
  • PHP Loops
  • PHP Conditionals
  • PHP Datatypes
  • PHP Data & Structure
  • PHP Getting Started
  • Getting Started with CSS
  • 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
  • Paginating a List: Model and View
  • Paginating a List: Controller
  • Adding Search: Model
  • Adding Search: Controller & View
  • Views and View Controllers (ObjC)
  • Getting Started with Xcode (ObjC)
  • Refactoring the Codebase
  • Cleaning URLs with Rewrite Rules
  • Cleaning URLs with Subfolders
  • Integrating Validation Errors
  • Introduction to Data, Databases and SQL
  • Using your New Tools
  • Getting Started with Java
  • 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
  • Forms
  • Tables
  • Objects
  • Links
  • Lists
  • Text
  • Introduction
  • Responsive Web Design and Testing
  • Adding Pages to a Website
  • Styling Web Pages and Navigation
  • Debugging HTML and CSS Problems
  • Sharing a Website
  • Customizing Colors and Fonts
  • CSS: Cascading Style Sheets
  • Creating HTML Content
  • HTML First
  • Retrieving and Viewing Data from Parse.com
  • Capturing Photo and Video Using UIImagePickerController
  • Relating Users in Parse.com
  • Using Parse.com as a Backend and Adding Users
  • Designing and Starting the App
  • Viewing a Web Page
  • Adapting Data for Display
  • Data Modeling
  • Getting Data from the Web
  • Rebuilding from Scratch
  • Exploring the Master-Detail Template
  • Testing and Debugging
  • Animate This (iOS7)
  • Designing your App
  • Refactoring into a Model
  • Creating a Data Collection
  • Understanding Views and View Controllers
  • Getting Started (iOS7)
  • Beyond the Basics
  • Advanced Objective-C
  • Foundation Framework
  • Introduction to Objective-C
  • Pointers and Memory
  • Functional Programming in C
  • Fundamentals of C
  • Beginning HTML and CSS
  • Newbie