J.D. Sandifer

J.D. Sandifer

Hillsboro, OR

I started programming as a kid on an original IBM PC. I've explored a few other interests since then, but now I'm returning to that desire to solve problems by coding fun and useful software applications.

18,813

Total Points

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Skills & Experience

  • Company

    Oregon Convention Center

  • Job Title

    Audiovisual Technician & Software Developer

  • Spoken Languages

    • English
  • Looking for work

    Yes

217 Achievements

  • Updating the Data Model
  • Standard ListViews
  • Testing and Debugging
  • Improving Our Code
  • Basic Android Programming
  • Migrating a SQLite Database
  • CRUD Operations with SQLite
  • Perfect
  • Perform
  • Console I/O
  • Prepare and Plan
  • What to Test
  • How To Test
  • Why Test
  • Using SQLite for Structured Data
  • Key-Value Saving with SharedPreferences
  • File Storage
  • Introduction to Data Persistence
  • Creating the Screen Layout
  • Date and Time Functions
  • Aggregate and Numeric Functions
  • Working with Text
  • Ordering, Limiting and Paging Results
  • Handling Errors When Manipulating Data
  • Deleting Data from a Database
  • Updating Data in a Database
  • Adding Data to a Database
  • Finding the Data You Want
  • Getting Data from a Database
  • Data, Databases and SQL
  • Deploying to a Device (ObjC)
  • Debugging Our App (ObjC)
  • Improving Our User Interface (ObjC)
  • Creating a Data Model (ObjC)
  • Scope and Loops
  • Views and View Controllers (ObjC)
  • Getting Started with Xcode (ObjC)
  • Operators and Conditionals
  • Data Types and Variables
  • Intro to Objective-C
  • Getting Started with Android
  • Efficiency!
  • Computer Languages
  • Computer Basics
  • Exploring the Java Collections Framework
  • Organizing Data
  • Getting There
  • Delivering the MVP
  • Creating the MVP
  • Harnessing the Power of Objects
  • Meet Objects
  • Perfecting the Prototype
  • Using your New Tools
  • Getting Started with Java
  • 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
  • User Input
  • Using Git for Android
  • Getting Started with Genymotion
  • Getting Started with Android Studio
  • Publishing on Google Play
  • Testing and Debugging
  • Improving Our Code
  • Coding the Fun Facts
  • Basic Android Programming
  • Creating the Initial Screen Layout
  • Installing Programs
  • Environment and Redirection
  • Console Processes
  • Getting Started with Android
  • Soft Skills - Psychology
  • Writing Online
  • Productivity
  • Presentation Skills
  • Important Skills For Professional Success
  • Workflows
  • Working With Remote Repositories
  • Merging
  • Branches
  • Getting Started With Git
  • Why Version Control Matters
  • Console Users and Permission
  • Moving Around in the Console
  • JavaScript Functions
  • JavaScript Conditional Statements
  • JavaScript Numbers
  • JavaScript Variables
  • Introducing JavaScript
  • Advanced Sass Concepts
  • Speeding up Workflow With Sass
  • Variables, Mixins, and Extending Selectors
  • Getting Started with Sass
  • Better SEO Through Tools
  • Better SEO Through Code
  • Better SEO Through Content
  • Introduction to SEO
  • Moving Forward with UX
  • Tools UXers Use
  • How UXers Think
  • What Do User Experience Designers Do?
  • What is User Experience (UX)?
  • Finalizing the Project
  • Case Studies and Examples
  • The Brand Identity Design Process
  • Introduction to Brand Identity
  • The Logo Sprint
  • Logo Design 101
  • Creating Home Page Assets
  • Applying Effects
  • How to Draw in Illustrator
  •  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
  • Grid Layout
  • Flexbox Layout
  • Positioning Schemes
  • Float Layout
  • Display Modes
  • Structuring Tables
  • Table Basics
  • Choosing Options
  • Organizing Forms
  • Form Basics
  • Advanced Selectors
  • Going Further with Attribute Selectors and Pseudo-Classes
  • Pointers and Memory
  • Selectors - Beyond the Basics
  • Fundamental Concepts
  • Designing with the Latest Features
  • Basic Layout
  • The Box Model
  • Understanding Values and Units
  • Basic Selectors
  • Getting Started with CSS
  • 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
  • Functional Programming in C
  • Beginning HTML and CSS
  • 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
  • Fundamentals of C
  • 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
  • Displaying Our Weather Data
  • Data Modeling With Structures
  • Concurrency
  • 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
  • Newbie