Denilson Velasquez

Denilson Velasquez

Member Since May 21, 2020

9,388

Total Points

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117 Achievements

  • Achievement

    More Association Options

    Active Record Associations in Rails

    Achieved

    Nov 29, 2020

    More Association Options
  • Achievement

    Using Associations in Your App

    Active Record Associations in Rails

    Achieved

    Nov 28, 2020

    Using Associations in Your App
  • Achievement

    Active Record Associations

    Active Record Associations in Rails

    Achieved

    Nov 27, 2020

    Active Record Associations
  • Achievement

    A Route to a Delete Action

    Rails Routes and Resources

    Achieved

    Nov 27, 2020

    A Route to a Delete Action
  • Achievement

    Routes to Update Actions

    Rails Routes and Resources

    Achieved

    Nov 27, 2020

    Routes to Update Actions
  • Achievement

    Routes for Create Actions

    Rails Routes and Resources

    Achieved

    Nov 23, 2020

    Routes for Create Actions
  • Achievement

    A Route to a Read Action

    Rails Routes and Resources

    Achieved

    Nov 23, 2020

    A Route to a Read Action
  • Achievement

    Rails Resource Index

    Rails Routes and Resources

    Achieved

    Nov 23, 2020

    Rails Resource Index
  • Achievement

    Adding a Model Attribute

    Ruby on Rails 5 Basics

    Achieved

    Nov 23, 2020

    Adding a Model Attribute
  • Achievement

    Using the Rails Console

    Ruby on Rails 5 Basics

    Achieved

    Nov 23, 2020

    Using the Rails Console
  • Achievement

    Handling Rails Requests

    Ruby on Rails 5 Basics

    Achieved

    Nov 22, 2020

    Handling Rails Requests
  • Achievement

    Creating Rails Apps

    Ruby on Rails 5 Basics

    Achieved

    Nov 22, 2020

    Creating Rails Apps
  • Achievement

    Sinatra ERB Templates

    Building Web Apps with Sinatra

    Achieved

    Nov 13, 2020

    Sinatra ERB Templates
  • Achievement

    Creating New Sinatra Apps

    Building Web Apps with Sinatra

    Achieved

    Nov 13, 2020

    Creating New Sinatra Apps
  • Achievement

    Ruby Core Modules

    Ruby Modules

    Achieved

    Oct 29, 2020

    Ruby Core Modules
  • Achievement

    Ruby Module Basics

    Ruby Modules

    Achieved

    Oct 29, 2020

    Ruby Module Basics
  • Achievement

    Ruby Objects and Classes

    Ruby Objects and Classes

    Achieved

    Oct 25, 2020

    Ruby Objects and Classes
  • Achievement

    Build a Simple Contact List

    Ruby Loops

    Achieved

    Oct 24, 2020

    Build a Simple Contact List
  • Achievement

    Ruby Iteration

    Ruby Loops

    Achieved

    Oct 24, 2020

    Ruby Iteration
  • Achievement

    Ruby Loops

    Ruby Loops

    Achieved

    Oct 24, 2020

    Ruby Loops
  • Achievement

    Build a Grocery List Program

    Ruby Collections

    Achieved

    Oct 24, 2020

    Build a Grocery List Program
  • Achievement

    Ruby Hashes

    Ruby Collections

    Achieved

    Oct 20, 2020

    Ruby Hashes
  • Achievement

    Ruby Arrays

    Ruby Collections

    Achieved

    Oct 18, 2020

    Ruby Arrays
  • Achievement

    Ruby Conditionals

    Ruby Basics

    Achieved

    Oct 18, 2020

    Ruby Conditionals
  • Achievement

    Ruby Numeric Types

    Ruby Basics

    Achieved

    Oct 18, 2020

    Ruby Numeric Types
  • Achievement

    Ruby Syntax

    Ruby Basics

    Achieved

    Oct 18, 2020

    Ruby Syntax
  • Achievement

    Ruby Objects

    Ruby Basics

    Achieved

    Oct 17, 2020

    Ruby Objects
  • Achievement

    Ruby Strings and Escape Sequences

    Ruby Basics

    Achieved

    Oct 17, 2020

    Ruby Strings and Escape Sequences
  • Achievement

    Set Operations

    Querying Relational Databases

    Achieved

    Oct 17, 2020

    Set Operations
  • Achievement

    Joining Table Data with SQL

    Querying Relational Databases

    Achieved

    Oct 17, 2020

    Joining Table Data with SQL
  • Achievement

    Table Relationships

    Querying Relational Databases

    Achieved

    Oct 17, 2020

    Table Relationships
  • Achievement

    Database Keys

    Querying Relational Databases

    Achieved

    Oct 17, 2020

    Database Keys
  • Achievement

    Database Normalization

    Querying Relational Databases

    Achieved

    Oct 17, 2020

    Database Normalization
  • Achievement

    Ordering, Limiting and Paging Results

    Reporting with SQL

    Achieved

    Oct 6, 2020

    Ordering, Limiting and Paging Results
  • Achievement

    Handling Errors When Manipulating Data

    Modifying Data with SQL

    Achieved

    Oct 6, 2020

    Handling Errors When Manipulating Data
  • Achievement

    Deleting Data from a Database

    Modifying Data with SQL

    Achieved

    Oct 6, 2020

    Deleting Data from a Database
  • Achievement

    Updating Data in a Database

    Modifying Data with SQL

    Achieved

    Oct 6, 2020

    Updating Data in a Database
  • Achievement

    Adding Data to a Database

    Modifying Data with SQL

    Achieved

    Oct 6, 2020

    Adding Data to a Database
  • Achievement

    Finding the Data You Want

    SQL Basics

    Achieved

    Oct 6, 2020

    Finding the Data You Want
  • Achievement

    Getting Data from a Database

    SQL Basics

    Achieved

    Oct 6, 2020

    Getting Data from a Database
  • Achievement

    Data, Databases and SQL

    SQL Basics

    Achieved

    Oct 6, 2020

    Data, Databases and SQL
  • Achievement

    Practice Creating Scaffolds

    Practice Ruby on Rails Basics

    Achieved

    Sep 29, 2020

    Practice Creating Scaffolds
  • Achievement

    Going Further with Routing

    React Router 4 Basics

    Achieved

    Aug 26, 2020

    Going Further with Routing
  • Achievement

    Navigating, Nesting and Redirecting Routes

    React Router 4 Basics

    Achieved

    Aug 26, 2020

    Navigating, Nesting and Redirecting Routes
  • Achievement

    Getting Started with React Router

    React Router 4 Basics

    Achieved

    Aug 24, 2020

    Getting Started with React Router
  • Achievement

    Stateful Components

    React Basics

    Achieved

    Aug 18, 2020

    Stateful Components
  • Achievement

    React Component Patterns

    React Components (2018)

    Achieved

    Aug 18, 2020

    React Component Patterns
  • Achievement

    Stateful Components and Lifecycle Methods

    React Components (2018)

    Achieved

    Aug 18, 2020

    Stateful Components and Lifecycle Methods
  • Achievement

    Managing State and Data Flow

    React Components (2018)

    Achieved

    Aug 18, 2020

    Managing State and Data Flow
  • Achievement

    Build Modular Interfaces with Components

    React Components (2018)

    Achieved

    Aug 17, 2020

    Build Modular Interfaces with Components
  • Achievement

    Introducing Props

    React Basics

    Achieved

    Aug 17, 2020

    Introducing Props
  • Achievement

    Thinking in Components

    React Basics

    Achieved

    Aug 17, 2020

    Thinking in Components
  • Achievement

    First Steps in React

    React Basics

    Achieved

    Aug 14, 2020

    First Steps in React
  • Achievement

    Chrome DevTools Basics

    Website Optimization

    Achieved

    Jul 16, 2020

    Chrome DevTools Basics
  • Achievement

    Testing for Accessibility

    Web Accessibility Compliance

    Achieved

    Jul 16, 2020

    Testing for Accessibility
  • Achievement

    Mobile Accessibility

    Web Accessibility Compliance

    Achieved

    Jul 16, 2020

    Mobile Accessibility
  • Achievement

    Accessible UI Patterns

    Web Accessibility Compliance

    Achieved

    Jul 16, 2020

    Accessible UI Patterns
  • Achievement

    Semantic HTML and WAI-ARIA

    Web Accessibility Compliance

    Achieved

    Jul 16, 2020

    Semantic HTML and WAI-ARIA
  • Achievement

    WCAG 2.0 (and Other Standards)

    Web Accessibility Compliance

    Achieved

    Jul 16, 2020

    WCAG 2.0 (and Other Standards)
  • Achievement

    Access for Everybody

    Web Accessibility Compliance

    Achieved

    Jul 15, 2020

    Access for Everybody
  • Achievement

    Captioning Video

    HTML Video and Audio

    Achieved

    Jul 14, 2020

    Captioning Video
  • Achievement

    Media Basics

    HTML Video and Audio

    Achieved

    Jul 14, 2020

    Media Basics
  • Achievement

    Getters and Setters

    Object-Oriented JavaScript

    Achieved

    Jul 14, 2020

    Getters and Setters
  • Achievement

    Working with Classes in JavaScript

    Object-Oriented JavaScript

    Achieved

    Jul 14, 2020

    Working with Classes in JavaScript
  • Achievement

    Object Basics

    Object-Oriented JavaScript

    Achieved

    Jul 14, 2020

    Object Basics
  • Achievement

    Introduction to Object-Oriented JavaScript

    Object-Oriented JavaScript

    Achieved

    Jul 14, 2020

    Introduction to Object-Oriented JavaScript
  • Achievement

    Programming AJAX

    AJAX Basics

    Achieved

    Jul 13, 2020

    Programming AJAX
  • Achievement

    AJAX Concepts

    AJAX Basics

    Achieved

    Jul 13, 2020

    AJAX Concepts
  • Achievement

    Understanding Promises

    Asynchronous Programming with JavaScript

    Achieved

    Jul 13, 2020

    Understanding Promises
  • Achievement

    Exploring Async/Await

    Asynchronous Programming with JavaScript

    Achieved

    Jul 13, 2020

    Exploring Async/Await
  • Achievement

    Asynchronous JavaScript with Callbacks

    Asynchronous Programming with JavaScript

    Achieved

    Jul 11, 2020

    Asynchronous JavaScript with Callbacks
  • Achievement

    What is Asynchronous Programming?

    Asynchronous Programming with JavaScript

    Achieved

    Jul 11, 2020

    What is Asynchronous Programming?
  • Achievement

    Structuring Tables

    HTML Tables

    Achieved

    Jul 11, 2020

    Structuring Tables
  • Achievement

    Table Basics

    HTML Tables

    Achieved

    Jul 11, 2020

    Table Basics
  • Achievement

    Combine and Minify Assets

    Introduction to Front End Performance Optimization

    Achieved

    Jul 5, 2020

    Combine and Minify Assets
  • Achievement

    Optimize Assets

    Introduction to Front End Performance Optimization

    Achieved

    Jul 5, 2020

    Optimize Assets
  • Achievement

    Measuring Performance

    Introduction to Front End Performance Optimization

    Achieved

    Jul 2, 2020

    Measuring Performance
  • Achievement

    Planning for Performance

    Introduction to Front End Performance Optimization

    Achieved

    Jul 2, 2020

    Planning for Performance
  • Achievement

    Building Forms With Bootstrap

    Bootstrap Basics

    Achieved

    Jul 1, 2020

    Building Forms With Bootstrap
  • Achievement

    Using Bootstrap Components

    Bootstrap Basics

    Achieved

    Jul 1, 2020

    Using Bootstrap Components
  • Achievement

    Responsive Layouts With the Bootstrap Grid

    Bootstrap Basics

    Achieved

    Jul 1, 2020

    Responsive Layouts With the Bootstrap Grid
  • Achievement

    Getting to Know Bootstrap 4

    Bootstrap Basics

    Achieved

    Jul 1, 2020

    Getting to Know Bootstrap 4
  • Achievement

    Advanced Selectors

    CSS Selectors

    Achieved

    Jul 1, 2020

    Advanced Selectors
  • Achievement

    Going Further with Attribute Selectors and Pseudo-Classes

    CSS Selectors

    Achieved

    Jul 1, 2020

    Going Further with Attribute Selectors and Pseudo-Classes
  • Achievement

    Selectors - Beyond the Basics

    CSS Selectors

    Achieved

    Jun 30, 2020

    Selectors - Beyond the Basics
  • Achievement

    Building a Layout with Flexbox

    CSS Flexbox Layout

    Achieved

    Jun 30, 2020

    Building a Layout with Flexbox
  • Achievement

    Flexbox Properties

    CSS Flexbox Layout

    Achieved

    Jun 28, 2020

    Flexbox Properties
  • Achievement

    Understanding Flexbox

    CSS Flexbox Layout

    Achieved

    Jun 28, 2020

    Understanding Flexbox
  • Achievement

    Choosing Options

    HTML Forms

    Achieved

    Jun 28, 2020

    Choosing Options
  • Achievement

    Organizing Forms

    HTML Forms

    Achieved

    Jun 28, 2020

    Organizing Forms
  • Achievement

    Form Basics

    HTML Forms

    Achieved

    Jun 28, 2020

    Form Basics
  • Achievement

    Responsive Patterns

    Responsive Layouts

    Achieved

    Jun 28, 2020

    Responsive Patterns
  • Achievement

    Media Queries

    Responsive Layouts

    Achieved

    Jun 28, 2020

    Media Queries
  • Achievement

    Responsive Theory

    Responsive Layouts

    Achieved

    Jun 28, 2020

    Responsive Theory
  • Achievement

    Positioning Page Content

    CSS Layout Basics

    Achieved

    Jun 23, 2020

    Positioning Page Content
  • Achievement

    CSS Layout Project

    CSS Layout Basics

    Achieved

    Jun 23, 2020

    CSS Layout Project
  • Achievement

    Page Layout with the Float Property

    CSS Layout Basics

    Achieved

    Jun 23, 2020

    Page Layout with the Float Property
  • Achievement

    Controlling Layout with CSS Display Modes

    CSS Layout Basics

    Achieved

    Jun 21, 2020

    Controlling Layout with CSS Display Modes
  • Achievement

    Getting Started with CSS Layout

    CSS Layout Basics

    Achieved

    Jun 21, 2020

    Getting Started with CSS Layout
  • Achievement

    Fundamental Concepts

    CSS Basics (2014)

    Achieved

    Jun 17, 2020

    Fundamental Concepts
  • Achievement

    Designing with the Latest Features

    CSS Basics (2014)

    Achieved

    Jun 17, 2020

    Designing with the Latest Features
  • Achievement

    Basic Layout

    CSS Basics (2014)

    Achieved

    Jun 16, 2020

    Basic Layout
  • Achievement

    The Box Model

    CSS Basics (2014)

    Achieved

    Jun 15, 2020

    The Box Model
  • Achievement

    Understanding Values and Units

    CSS Basics (2014)

    Achieved

    Jun 12, 2020

    Understanding Values and Units
  • Achievement

    Basic Selectors

    CSS Basics (2014)

    Achieved

    Jun 12, 2020

    Basic Selectors
  • Achievement

    Getting Started with CSS

    CSS Basics (2014)

    Achieved

    Jun 12, 2020

    Getting Started with CSS
  • Achievement

    GitHub and Other Remote Repositories

    Introduction to Git

    Achieved

    Jun 12, 2020

    GitHub and Other Remote Repositories
  • Achievement

    Managing Committed Files

    Introduction to Git

    Achieved

    Jun 11, 2020

    Managing Committed Files
  • Achievement

    Adding a New Web Page

    Introduction to HTML and CSS

    Achieved

    Jun 11, 2020

    Adding a New Web Page
  • Achievement

    Make It Beautiful with CSS

    Introduction to HTML and CSS

    Achieved

    Jun 11, 2020

    Make It Beautiful with CSS
  • Achievement

    HTML: The Structural Foundation of Web Pages and Applications

    Introduction to HTML and CSS

    Achieved

    Jun 11, 2020

    HTML: The Structural Foundation of Web Pages and Applications
  • Achievement

    Getting Familiar with HTML and CSS

    Introduction to HTML and CSS

    Achieved

    Jun 11, 2020

    Getting Familiar with HTML and CSS
  • Achievement

    Common Commands

    Introduction to the Terminal

    Achieved

    Jun 11, 2020

    Common Commands
  • Achievement

    Directories and Files

    Introduction to the Terminal

    Achieved

    Jun 10, 2020

    Directories and Files
  • Achievement

    The Command Shell

    Introduction to the Terminal

    Achieved

    Jun 10, 2020

    The Command Shell
  • Achievement

    First Commits

    Introduction to Git

    Achieved

    Jun 8, 2020

    First Commits
  • Achievement

    Newbie

    Achieved

    May 21, 2020

    Newbie