Miguel de Luis Espinosa

Miguel de Luis Espinosa

Las Palmas

Learning to create wonderful things on the Internet

Skills & Experience

  • Company

    Department of Education, Canary Islands

  • Job Title

    Jefe de Negociado (sort of "Small Administrative Unit chief")

  • Spoken Languages

    • Spanish
    • English
  • Publications

    • Productividad para Mentes Inquietas
  • Looking for work

    Yes

447 Achievements

  • Serving Static Files in Express
  • Applying Express Knowledge
  • Middleware
  • Deeper into Routing with Express
  • Using Templates with Express
  • Getting Started with Express
  • Setting Up an Angular Application
  • Sweeping Vues: Loops, Methods, Directives
  • What a Beautiful Vue!
  • Introducing Vue
  • HTTP Methods and Headers
  • Creating a Basic Template Engine in Node.js
  • Machine Learning Vocabulary
  • Introduction to Machine Learning
  • Handling Routes in Node.js
  • Creating a Simple Server in Node.js
  • JavaScript Frameworks, Libraries, and Developer Roles
  • JavaScript Outside of the Browser
  • Creating a Command Line Weather Application
  • Handling Errors in Node
  • Traversing the DOM
  • Responding to User Interaction
  • Getting Data From an API With Node
  • Introduction to Node.js
  • Making Changes to the DOM
  • Getting a Handle on the DOM
  • The Browser Environment
  • Treehouse Club - JavaScript
  • JavaScript Objects and Conditionals
  • JavaScript Arrays and Loops
  • JavaScript Functions
  • Data Types and Variables
  • Telling the Story
  • Designing for your User’s "To-be"
  • Understanding your User’s “As-is” Scenario
  • Becoming Acquainted with Your User
  • Becoming a Design Thinker
  • Go Concurrency Overview
  • Go Custom Types Overview
  • Go Data Structures Overview
  • Go Flow Control Overview
  • Go Syntax Overview
  • Fundamentals of Docker
  • Docker Use Cases
  • Ruby Standard Library: Part 2
  • Ruby Standard Library: Part 1
  • Ruby Core
  • Store Inventory Using Modules
  • Include and Extend
  • Ruby Core Modules
  • Ruby Module Basics
  • Input and Output
  • Search
  • Ruby Class Design
  • Blocks Practice
  • Working With Blocks
  • Ruby Blocks
  • More Association Options
  • Using Associations in Your App
  • Active Record Associations
  • A Route to a Delete Action
  • Routes to Update Actions
  • Routes for Create Actions
  • A Route to a Read Action
  • Rails Resource Index
  • Adding a Model Attribute
  • Using the Rails Console
  • Handling Rails Requests
  • Creating Rails Apps
  • Gems In Depth
  • Ruby Gems
  • Sinatra Finishing Touches
  • Updating Data in Sinatra
  • Adding New Data in Sinatra
  • Sinatra ERB Templates
  • Creating New Sinatra Apps
  • Build a Bank Account Class
  • Ruby Variables and Methods
  • Ruby Objects and Classes
  • Build a Simple Contact List
  • Ruby Iteration
  • Ruby Loops
  • Ruby Conditionals
  • Ruby Numeric Types
  • Ruby Objects
  • Ruby Strings and Escape Sequences
  • Ruby Syntax
  • How to Win Friends
  • Getting Data from a Database
  • Data, Databases and SQL
  • Getting the REST You Need
  • What a View
  • Say Hello to Django
  • Adding a New Web Page
  • Make It Beautiful with CSS
  • HTML: The Structural Foundation of Web Pages and Applications
  • GET and POST Requests in a Browser
  • Introduction to HTTP
  • Getting Familiar with HTML and CSS
  • Covering Your Bases
  • Be Assertive!
  • What Is Testing?
  • Python Regular Expressions
  • Letter Game App
  • Number Game App
  • Shopping List App
  • Logic in Python
  • Python Data Types
  • Python For Beginners
  • Building a Layout with Flexbox
  • Flexbox Properties
  • Understanding Flexbox
  • Debugging, Best Practices, and Production
  • Refactoring with Sass
  • Installing Sass and Setting up the Project
  • Using a jQuery Carousel
  • Add a Sticky Navigation Bar
  • Introducing jQuery Plugins
  • Advanced Selectors
  • Going Further with Attribute Selectors and Pseudo-Classes
  • Selectors - Beyond the Basics
  • Art Direction with the Picture Element
  • Image Delivery with Srcset and Sizes
  • Positioning Page Content
  • CSS Layout Project
  • Page Layout with the Float Property
  • Controlling Layout with CSS Display Modes
  • Getting Started with CSS Layout
  • Fundamental Concepts
  • Designing with the Latest Features
  • Basic Layout
  • The Box Model
  • Understanding Values and Units
  • Basic Selectors
  • Getting Started with CSS
  • Introduction to Video Games
  • Functional Workhorses
  • Functional Rules
  • Broadcasting
  • Planning for Performance
  • Getting Started with Data Science
  • Takin' Names
  • Making Strong Users
  • Gettin' CRUD-y With It
  • Our Diary App
  • Meet Peewee
  • Character Builder
  • Building and Customizing the Blog
  • Getting Started with Jekyll
  • Deploying to a Device
  • Debugging Our App
  • Improving Our User Interface
  • Using a Data Model
  • Views and View Controllers
  • Getting Started with Xcode
  • Control Flow
  • Collections
  • Operators
  • Types
  • Variables and Constants
  • JavaScript Objects
  • JavaScript Arrays
  • Selecting Elements and Adding Events with JavaScript
  • JavaScript and the DOM
  • Introduction to Node.js
  • JavaScript Loops
  • Creating an SVG
  • Introduction to SVG
  • Flask Templates
  • Relating Users in Parse.com
  • Welcome to Flask
  • Using Fragments for Tabs
  • Adding Users Using Parse.com
  • Starting the App
  • Finishing the User Interface
  • The Model-View-Controller Pattern
  • Intents and Multiple Activities
  • User Input
  • Finalizing the Project
  • Case Studies and Examples
  • Timezones
  • Math Quiz App
  • Dates and Times
  • Using Intents to Display and Share Posts
  • Adapting Data for Display in a List
  • Getting Data from the Web
  • Rebuilding from Scratch
  • Exploring the Master-Detail Template
  • Using Git for Android
  • Getting Started with Genymotion
  • Getting Started with Android Studio
  • Testing and Debugging
  • Improving Our Code
  • Publishing on Google Play
  • Coding the Fun Facts
  • Basic Android Programming
  • Creating the Initial Screen Layout
  • Final Project: Create a Typographic Site
  • Local Python
  • Laying Out Type for the Web
  • Basic Web Typography
  • JavaScript Functions
  • JavaScript Conditional Statements
  • JavaScript Numbers
  • JavaScript Variables
  • Introducing JavaScript
  • How to Choose and Use Webfonts
  • Perfecting the Prototype
  • Using your New Tools
  • Getting Started with Java
  • Buggy Logs
  • Cleaner Code
  • Introduction to Typography
  • 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
  • Hack-n-Slash
  • Python Inheritance
  • Python Objects
  • The Brand Identity Design Process
  • Dungeon Game
  • Tuples
  • Dictionaries
  • Slices
  • Lists Redux
  • Adding Search: Model
  • Refactoring the Codebase
  • Cleaning URLs with Rewrite Rules
  • Getting Started with Android
  • Chrome DevTools Basics
  • Structuring Tables
  • Table Basics
  • Choosing Options
  • Organizing Forms
  • Form Basics
  • AJAX and APIs
  • jQuery and AJAX
  • Start menu and App Icon
  • Sound Design
  • Animating and Saving Sprites
  • Designing Characters and a Scene
  • Introduction to Game Design
  • Introduction to Brand Identity
  • Pick a Number! Any Number!
  • Putting the "Fun" Back in "Functions"
  • Shopping List
  • Things That Count
  • Ins & Outs
  • Say Hello to Python
  • Programming AJAX
  • AJAX Concepts
  • Positioning Schemes
  • Float Layout
  • 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
  • Creating a Simple Drawing Application
  • CSS: Cascading Style Sheets
  • Creating a Password Confirmation Form
  • Creating HTML Content
  • Creating a Mobile Drop Down Menu
  • Creating a Simple Lightbox
  • Creating a Spoiler Revealer
  • Introduction to jQuery
  • HTML First
  • Beginning HTML and CSS
  • The WordPress Codex
  • How WordPress Plugins Work
  • WordPress Plugin Best Practices
  • Widgets and Custom Menus
  • Custom Post Types and Fields
  • Customizing WordPress Themes
  • WordPress Themes
  • Installing Wordpress
  • Launching a WordPress Site
  • WordPress and Forms
  • Extending WordPress Template Functionality
  • Converting Static HTML into WordPress Templates
  • Preparing to Code WordPress Templates
  • WordPress Theme Functions
  • WordPress Theme Templates
  • Content Strategy with WordPress
  • Display Modes
  • Local WordPress Development
  • Prototyping With Bootstrap
  • Introduction to Front-End Frameworks
  • Rails Routing
  • 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
  • Metrics
  • Installing a Ruby Development Environment
  • Ruby Testing
  • Standard Library
  • Ruby Core
  • Ruby Modules
  • Ruby Procs & Lambdas
  • Ruby Blocks
  • Ruby Loops
  • Ruby Methods
  • Ruby Hashes
  • Ruby Arrays
  • Writing Tests
  • Ruby Numbers
  • Ruby Strings
  • Objects, Classes, and Variables
  • Ruby Basics
  • Customizing Ruby on Rails Forms
  • Ruby on Rails Authentication
  • Rails Frontend Development
  • Getting Started With Rails
  • Workflows
  • Merging
  • Working With Remote Repositories
  • Branches
  • Getting Started With Git
  • Why Version Control Matters
  • Advanced Sass Concepts
  • Speeding up Workflow With Sass
  • Variables, Mixins, and Extending Selectors
  • Getting Started with Sass
  • 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
  • Going Mobile
  • Designing Email with CSS
  • Coding HTML Email
  • HTML Email Basics
  • Sales
  • Pricing
  • Financing Your Company
  • The Logo Sprint
  • Logo Design 101
  • From Idea to Execution
  • Cleaning URLs with Subfolders
  • Integrating Validation Errors
  • Defining the Project
  • Intro to User Experience
  • Color Theory
  • Learning the Language
  • Getting Started with iPhone
  • Principles
  • Elements
  • Installing Programs
  • Environment and Redirection
  • Functions
  • Objects and Arrays
  • Control Structures
  • 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
  • Advanced Selectors
  • Console Processes
  • Customizing Google Maps
  • Google Maps Integration
  • jQuery Plugins
  • Form Validation and Manipulation
  • Introduction to jQuery
  • JavaScript Objects
  • JavaScript Functions
  • JavaScript Arrays
  • JavaScript Numbers
  • JavaScript Strings
  • Introduction Variables
  • Web Apps
  • Websites
  • Introduction
  • Basics
  • Advanced Techniques
  • Responsive Design
  • Adaptive Design
  • Fluid Foundation
  • Introduction to Responsive Web Design
  • Selectors
  • Getting Started with CSS
  • Borders
  • Web Fonts
  • Typography
  • Selectors
  • Framework Foundations
  • Printing
  • Page Layout
  • Box Model
  • Text
  • Data Types
  • Selectors
  • Introduction
  • Forms
  • Tables
  • Objects
  • Links
  • Lists
  • Text
  • Introduction
  • Launching the Website
  • Styling Content
  • Creating a Website Structure
  • Text Editors and HTML
  • Website Basics
  • Video Marketing
  • Email Marketing
  • Search Engine Optimization
  • Usability Testing
  • Usability Basics
  • Social Media
  • 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
  • Making Money
  • Marketing Strategy
  • Introduction to Accounting
  • Marketing Basics
  • Forming Your Company
  • Console Users and Permission
  • Moving Around in the Console
  • Corporate Structure
  • Why Start a Business?
  • Newbie