Christian A. Castro

Christian A. Castro

Arizona

30,027

Total Points

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Skills & Experience

  • Spoken Languages

    • English
    • Spanish

385 Achievements

  • Meet Lists
  • All Together Now
  • Functions and Looping
  • Types and Branching
  • Meet Python
  • GitHub and Other Remote Repositories
  • Managing Committed Files
  • First Commits
  • Preparing Design Files for Developers
  • Designing with Developers
  • Computer Languages
  • Computer Basics
  • Rehearsal and Delivery
  • Creating and Refining
  • Preparing to Present
  • Soft Skills - Psychology
  • Writing Online
  • Productivity
  • Presentation Skills
  • Important Skills For Professional Success
  • React Router and Authentication
  • Implementing Basic Authentication
  • Introducing the Authentication Project
  • Performing CRUD Operations
  • Defining Models
  • Getting Started with Sequelize
  • Refactoring and Modularizing a REST API
  • Create, Read, Update, Delete
  • Managing Data and Asynchronous Code
  • Getting to Know REST APIs
  • Asynchronous Code in Express
  • Going Further with Routing
  • Navigating, Nesting and Redirecting Routes
  • Getting Started with React Router
  • React Component Patterns
  • Stateful Components and Lifecycle Methods
  • Managing State and Data Flow
  • Build Modular Interfaces with Components
  • Traversing the DOM
  • Making Changes to the DOM
  • Getting a Handle on the DOM
  • Searching Names
  • Sorting Algorithms
  • Stateful Components
  • Merge Sort and Linked Lists
  • The Browser Environment
  • The Merge Sort Algorithm
  • Introducing Props
  • Thinking in Components
  • Chrome DevTools Basics
  • Captioning Video
  • Media Basics
  • Structuring Tables
  • Building a Linked List
  • Table Basics
  • Combine and Minify Assets
  • Optimize Assets
  • Measuring Performance
  • Planning for Performance
  • Going Further with Grid Layout
  • Flexible Sized Grids
  • Exploring Arrays
  • Introducing Grid Layout
  • Building Forms With Bootstrap
  • Using Bootstrap Components
  • Recursion and Space Complexity
  • Responsive Layouts With the Bootstrap Grid
  • Algorithms in Code
  • Getting to Know Bootstrap 4
  • Time Complexity
  • Playing a Counting Game
  • Advanced Selectors
  • Going Further with Attribute Selectors and Pseudo-Classes
  • Selectors - Beyond the Basics
  • Loop Through Objects
  • Object Basics
  • Multidimensional Arrays
  • Loop Through Arrays
  • Store Multiple Values in an Array
  • Working with 'for' Loops
  • Simplify Repetitive Tasks with Loops
  • Build an Accessible Form
  • Introduction To Accessibility
  • Choosing Options
  • Organizing Forms
  • Form Basics
  • Building a Layout with Flexbox
  • Flexbox Properties
  • Understanding Flexbox
  • Responsive Patterns
  • Media Queries
  • Responsive Theory
  • Mobile-First CSS Layout
  • Arrow Functions
  • Pass Information Into Functions
  • Create Reusable Code with Functions
  • The Math Object
  • Working with Numbers
  • First Steps in React
  • Making Decisions in Your Code with Conditional Statements
  • Working With Strings
  • Storing and Tracking Information with Variables
  • Hello, JavaScript!
  • Finishing Touches
  • Styling Images
  • Styling Boxes
  • Styling Text
  • CSS Media Queries
  • CSS Layout Techniques
  • Box Model Concepts
  • The CSS Box Model
  • Fundamental Concepts
  • Understanding Values and Units
  • Basic Selectors
  • Getting Started with CSS
  • Going Further with HTML
  • Controllers
  • Serving Static Files in Express
  • Applying Express Knowledge
  • Middleware
  • Deeper into Routing with Express
  • Project Setup
  • Using Templates with Express
  • Getting Started with Express
  • Updating and Uninstalling Packages with npm
  • Installing Packages with npm
  • What is npm?
  • HTTP Methods and Headers
  • Creating a Basic Template Engine in Node.js
  • Handling Routes in Node.js
  • Creating a Simple Server in Node.js
  • Creating a Command Line Weather Application
  • Handling Errors in Node
  • Scrum Artifacts
  • Scrum Events
  • Introducing Scrum
  • What is Agile?
  • Telling the Story
  • Designing for Your User’s "To-be"
  • Getting Data From an API With Node
  • Introduction to Node.js
  • Adding the Game Logic
  • Making the Game Interactive
  • Rendering the Game
  •  Building Constructor Methods and Generating Objects
  • Introducing 'Four in a Row'
  • Getters and Setters
  • Working with Classes in JavaScript
  • Object Basics
  • Introduction to Object-Oriented JavaScript
  • Exploring Async/Await
  • Understanding Promises
  • Asynchronous JavaScript with Callbacks
  • What is Asynchronous Programming?
  • Programming AJAX
  • AJAX Concepts
  • Working with jQuery Collections (2017)
  • Understanding jQuery Events and DOM Traversal (2017)
  • Introducing jQuery (2017)
  • Traversing the DOM
  • Responding to User Interaction
  • Making Changes to the DOM
  • Getting a Handle on the DOM
  • The Browser Environment
  • Create Function Using Arrow Syntax
  • Using Template Literals
  • Defining Variables With let and const
  • JavaScript Tools and Workflows
  • JavaScript is Everywhere
  • JavaScript Objects
  • JavaScript Arrays
  • JavaScript Loops
  • JavaScript Functions
  • JavaScript Conditional Statements
  • JavaScript Numbers
  • JavaScript Variables
  • Introducing JavaScript
  • Images, Text and Links
  • Finishing the Game
  • Introducing JavaScript
  • Structuring Your Content
  • Getting Started With HTML
  • Saving a Selfie
  • Adding Metadata to Photos
  • GPU Based Approach
  • Image Processing
  • Adding a New Web Page
  • Playing with Filters
  • Make It Beautiful with CSS
  • HTML: The Structural Foundation of Web Pages and Applications
  • Getting Familiar with HTML and CSS
  • Pinching, Panning and Zooming
  • Browsing An Album
  • Getting the REST You Need 2
  • Understanding your User’s “As-is” Scenario
  • Taking Photos
  • Becoming Acquainted with Your User
  • Becoming a Design Thinker
  • Deleting and Updating Data
  • Fetching Data Using Fetch Requests
  • Day 3: Getting Creative
  • Day 2: Advanced Selecting
  • Day 1: Joining Tables
  • Orientation: Selecting Data
  • Inserting and Saving Data Using a Context
  • Subqueries
  • Set Operations
  • Understanding the Core Data Stack
  • Joining Table Data with SQL
  • Table Relationships
  • Database Keys
  • Database Normalization
  • Date and Time Functions
  • Aggregate and Numeric Functions
  • Working with Text
  • Ordering, Limiting and Paging Results
  • Handling Errors When Manipulating Data
  • Adding Reviews and a Map
  • Retrieving Restaurant Details Using Operations
  • Deleting Data from a Database
  • Simplifying Networking Code
  • Updating Data in a Database
  • Obtaining a Location Fix
  • Adding Data to a Database
  • Finding the Data You Want
  • Authorization with Third Party Libraries
  • Getting Data from a Database
  • Downloading Album Artwork
  • Requesting Real Data
  • Enhancing the iTunes Endpoint
  • URLs and Parameter Encoding
  • Building the User Interface
  • Modeling iTunes Search Results
  • Decoupling the Data Source
  • Sorting Contacts Into Sections
  • Static Table Views for Detail Interfaces
  • Displaying Contact Data
  • A High Level Overview
  • Error Handling
  • Dynamic Keys and Inheritance
  • Parsing Different JSON Structures
  • Parsing to Non-Primitive Types
  • An Overview of Codable
  • Refactoring Using Codable
  • Dark Sky API Client
  • Downloading JSON Data Asynchronously
  • Fetching Data From the Web
  • Get Involved in Open Source
  •  Create a Web Presence on GitHub
  •  Working on a Team
  • Modeling Forecast Data
  • Working By Yourself
  • Hello, GitHub!
  • Workflows
  • Working With Remote Repositories
  • Error Handling and Memory Management
  • Building Standard Library Functions
  • Merging
  • Closure Expressions
  • First Class Functions
  • Branches
  • Generics and Protocols
  • Getting Started With Git
  • Generic Types
  • Generic Functions, Parameters and Constraints
  • Adding Sound Effects
  • Personalizing The Story
  • Refactoring Our Code
  • Creating the User Interface Programmatically
  • Creating a Story
  • Navigating Through An Adventure
  • Introducing Data Analysis
  • Using the Delegate Pattern in iOS
  • The Delegate Pattern
  • Writing Great Swift
  • Access Control
  • Memory Management in Swift
  • Extensions and Protocols
  • Value Semantics, Type Methods and Inheritance
  • Object Initialization
  • Properties
  • Displaying Additional Views
  • Using the Vending Machine
  • Loading Data From a Resource
  • Modeling an Interface
  • Error Handling
  • Creating Flexible Objects Using Protocols
  • Protocol Basics
  • 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 in Swift
  • Complex Data Structures
  • Adding Power to Functions
  • Functions in Swift
  • Control Flow With Conditional Statements
  • Control Flow With Loops
  • Dictionaries in Swift
  • Installing Programs
  • Environment and Redirection
  • Console Processes
  • Console Users and Permission
  • Introduction to Collections
  • Swift Operators
  • Swift Types
  • Python Tuples
  • An Introduction to Swift Programming
  • Python Dictionaries
  • Python Slices
  • Python Lists
  • Letter Game App
  • Number Game App
  • Shopping List App
  • Logic in Python
  • Python Data Types
  • Python For Beginners
  • Moving Around in the Console
  • Game Loop and Texture Atlas
  • Intro to Sprite Kit
  • Understanding Materials
  • Data, Databases and SQL
  • Refactoring Our Code (objc)
  • Building the Master and Detail Views (objC)
  • Managing Playlist Data (objC)
  • Building a Music Library Model (objc)
  • Working With Multiple View Controllers (ObjC)
  • Deploying to a Device (ObjC)
  • Debugging Our App (ObjC)
  • Improving Our User Interface (ObjC)
  • Creating a Data Model (ObjC)
  • Views and View Controllers (ObjC)
  • Getting Started with Xcode (ObjC)
  • Tying It All together
  • Diving Deeper
  • Memory, Arrays and Loops, Oh My!
  • Getting Oriented - Object-Oriented, That Is
  • Immersive Examples
  • Scope and Loops
  • More Operators
  • Operators and Conditionals
  • Data Types and Variables
  • Intro to Objective-C
  • Build and Share a Unity Game
  • Game Audio
  • Score, Enemies, and Game State
  • Pickups
  • Player Input and Cameras
  • The Unity Editor and Scene Setup
  • Introduction to Video Games
  • Perfect
  • Perform
  • Console I/O
  • Prepare and Plan
  • Start menu and App Icon
  • Sound Design
  • Animating and Saving Sprites
  • Designing Characters and a Scene
  • Introduction to Game Design
  • 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
  • Why Version Control Matters
  • 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
  • Newbie