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Elkin Arriero

Bogota Capital District

15,160

Total Points

•
5,702

Ruby

5701 pts
Achievements

1 pts
Forum
•
2,288

CSS

2288 pts
Achievements

0 pts
Forum
•
1,646

JavaScript

1646 pts
Achievements

0 pts
Forum
•
1,440

Design

1440 pts
Achievements

0 pts
Forum
•
1,381

Development Tools

1381 pts
Achievements

0 pts
Forum
•
988

HTML

988 pts
Achievements

0 pts
Forum
•
37

Android

37 pts
Achievements

0 pts
Forum

Points are earned whenever you take an important action on Treehouse.
Learn more about when and how points are earned.

Skills & Experience

Spoken Languages
- Spanish
- English

198 Achievements

Achievement
Ruby Gems

Ruby Gems

Achieved
Aug 24, 2015
Achievement
Ruby Gems

Ruby Gems

Achieved
Aug 24, 2015
Achievement
How to Draw in Illustrator

Illustrator Foundations

Achieved
Aug 24, 2015
Achievement
The Logo Sprint

Logo Design Basics

Achieved
Aug 21, 2015
Achievement
Logo Design 101

Logo Design Basics

Achieved
Aug 21, 2015
Achievement
Ruby Modules

Ruby Foundations

Achieved
Aug 19, 2015
Achievement
Ruby Procs & Lambdas

Ruby Foundations

Achieved
Aug 18, 2015
Achievement
Ruby Blocks

Ruby Foundations

Achieved
Aug 18, 2015
Achievement
Ruby Loops

Ruby Foundations

Achieved
Aug 18, 2015
Achievement
Ruby Class Design

Build an Address Book in Ruby

Achieved
Aug 18, 2015
Achievement
Ruby Methods

Ruby Foundations

Achieved
Aug 17, 2015
Achievement
Gems In Depth

Ruby Gems

Achieved
Aug 15, 2015
Achievement
Ruby Hashes

Ruby Foundations

Achieved
Aug 14, 2015
Achievement
Ruby Arrays

Ruby Foundations

Achieved
Aug 14, 2015
Achievement
Ruby Numbers

Ruby Foundations

Achieved
Aug 14, 2015
Achievement
Cleanup and Feature Merge

Polishing Ruby on Rails

Achieved
Aug 14, 2015
Achievement
Maintaining The Test Suite

Polishing Ruby on Rails

Achieved
Aug 14, 2015
Achievement
Polishing Rails Applications

Polishing Ruby on Rails

Achieved
Aug 14, 2015
Achievement
Static Pages with Rails

Polishing Ruby on Rails

Achieved
Aug 13, 2015
Achievement
Creating an App Tutorial

Blank Slates in Ruby on Rails

Achieved
Aug 13, 2015
Achievement
Blank Slates and Rails

Blank Slates in Ruby on Rails

Achieved
Aug 13, 2015
Achievement
Email with Rails

Blank Slates in Ruby on Rails

Achieved
Aug 12, 2015
Achievement
Modifying Todo Lists

Ruby on Rails Forms

Achieved
Aug 12, 2015
Achievement
Form Builders and Rails

Ruby on Rails Forms

Achieved
Aug 12, 2015
Achievement
Styling Rails Forms

Ruby on Rails Forms

Achieved
Aug 11, 2015
Achievement
Styling Rails Models

Rails Partials and Helpers

Achieved
Aug 10, 2015
Achievement
Ruby on Rails Helpers

Rails Partials and Helpers

Achieved
Aug 7, 2015
Achievement
Rails Partials

Rails Partials and Helpers

Achieved
Aug 6, 2015
Achievement
Styling a Header

The Rails Asset Pipeline and Styling

Achieved
Aug 6, 2015
Achievement
Sass and Rails

The Rails Asset Pipeline and Styling

Achieved
Aug 6, 2015
Achievement
Working with Rails Layouts

Rails Layouts and CSS Frameworks

Achieved
Aug 5, 2015
Achievement
Zurb Foundation on Rails

Rails Layouts and CSS Frameworks

Achieved
Aug 5, 2015
Achievement
Remember Me

Rails Layouts and CSS Frameworks

Achieved
Aug 5, 2015
Achievement
Password Resets and Testing

User Authentication with Rails

Achieved
Aug 4, 2015
Achievement
Adding User Support to Our Application

User Authentication with Rails

Achieved
Aug 4, 2015
Achievement
Password Hashing and Sign-In

User Authentication with Rails

Achieved
Jul 31, 2015
Achievement
Ruby Strings

Ruby Foundations

Achieved
Jul 29, 2015
Achievement
Objects, Classes, and Variables

Ruby Foundations

Achieved
Jul 29, 2015
Achievement
Ruby Basics

Ruby Foundations

Achieved
Jul 29, 2015
Achievement
AR Extensions

ActiveRecord Basics

Achieved
Jul 29, 2015
Achievement
Callbacks

ActiveRecord Basics

Achieved
Jul 29, 2015
Achievement
Build a Todo List Application with Rails 4

Build a Todo List Application with Rails 4

Achieved
Jul 27, 2015
Achievement
Rails Deployment

Build a Simple Ruby on Rails Application

Achieved
Jul 26, 2015
Achievement
Building the Profile Page

Build a Simple Ruby on Rails Application

Achieved
Jul 26, 2015
Achievement
Testing the Whole App

Build a Simple Ruby on Rails Application

Achieved
Jul 24, 2015
Achievement
Rails Routing

Build a Simple Ruby on Rails Application

Achieved
Jul 24, 2015
Achievement
Writing Tests

Build a Simple Ruby on Rails Application

Achieved
Jul 24, 2015
Achievement
Customizing Ruby on Rails Forms

Build a Simple Ruby on Rails Application

Achieved
Jul 23, 2015
Achievement
Ruby on Rails Authentication

Build a Simple Ruby on Rails Application

Achieved
Jul 19, 2015
Achievement
Rails Frontend Development

Build a Simple Ruby on Rails Application

Achieved
Jul 19, 2015
Achievement
Getting Started With Rails

Build a Simple Ruby on Rails Application

Achieved
Jul 17, 2015
Achievement
Query Interface

ActiveRecord Basics

Achieved
Jul 9, 2015
Achievement
Validation

ActiveRecord Basics

Achieved
Jul 9, 2015
Achievement
Migrations and Relationships

ActiveRecord Basics

Achieved
Jul 7, 2015
Achievement
Introduction to ActiveRecord

ActiveRecord Basics

Achieved
Jul 6, 2015
Achievement
Securing and Maintaining a MySQL Database

Database Foundations

Achieved
Jul 6, 2015
Achievement
SQL Calculating, Aggregating and Other Functions

Database Foundations

Achieved
Jun 30, 2015
Achievement
Joining Relational Data Between Tables in SQL

Database Foundations

Achieved
Jun 30, 2015
Achievement
Manipulating Schema with SQL

Database Foundations

Achieved
Jun 30, 2015
Achievement
Creating Tables and Manipulating Data with SQL

Database Foundations

Achieved
Jun 26, 2015
Achievement
Reading Data from Databases with SQL

Database Foundations

Achieved
Jun 25, 2015
Achievement
Installing MySQL Server and MySQL Workbench

Database Foundations

Achieved
Jun 25, 2015
Achievement
Introduction to Data, Databases and SQL

Database Foundations

Achieved
Jun 24, 2015
Achievement
Build a Website With Bootstrap

Framework Basics

Achieved
Jun 15, 2015
Achievement
Prototyping With Bootstrap

Framework Basics

Achieved
Jun 13, 2015
Achievement
Introduction to Front-End Frameworks

Framework Basics

Achieved
Jun 12, 2015
Achievement
Workflows

Git Basics

Achieved
May 25, 2015
Achievement
Working With Remote Repositories

Git Basics

Achieved
May 25, 2015
Achievement
Merging

Git Basics

Achieved
May 25, 2015
Achievement
Branches

Git Basics

Achieved
May 24, 2015
Achievement
Getting Started With Git

Git Basics

Achieved
May 24, 2015
Achievement
Why Version Control Matters

Git Basics

Achieved
May 24, 2015
Achievement
Installing Programs

Console Foundations

Achieved
May 24, 2015
Achievement
Environment and Redirection

Console Foundations

Achieved
May 24, 2015
Achievement
Console Processes

Console Foundations

Achieved
May 24, 2015
Achievement
Console Users and Permission

Console Foundations

Achieved
May 24, 2015
Achievement
Moving Around in the Console

Console Foundations

Achieved
May 23, 2015
Achievement
JavaScript Functions

JavaScript Basics (Retired)

Achieved
May 23, 2015
Achievement
JavaScript Conditional Statements

JavaScript Basics (Retired)

Achieved
May 21, 2015
Achievement
JavaScript Numbers

JavaScript Basics (Retired)

Achieved
May 21, 2015
Achievement
JavaScript Variables

JavaScript Basics (Retired)

Achieved
May 20, 2015
Achievement
Introducing JavaScript

JavaScript Basics (Retired)

Achieved
May 20, 2015
Achievement
Fundamental Concepts

CSS Basics (2014)

Achieved
May 15, 2015
Achievement
Designing with the Latest Features

CSS Basics (2014)

Achieved
May 15, 2015
Achievement
Basic Layout

CSS Basics (2014)

Achieved
May 14, 2015
Achievement
The Box Model

CSS Basics (2014)

Achieved
May 14, 2015
Achievement
Understanding Values and Units

CSS Basics (2014)

Achieved
May 14, 2015
Achievement
Basic Selectors

CSS Basics (2014)

Achieved
May 14, 2015
Achievement
Installing a Ruby Development Environment

Installing a Ruby Development Environment

Achieved
May 12, 2015
Achievement
Blocks Practice

Ruby Blocks

Achieved
May 5, 2015
Achievement
Working With Blocks

Ruby Blocks

Achieved
May 5, 2015
Achievement
Ruby Blocks

Ruby Blocks

Achieved
May 5, 2015
Achievement
Build a Simple Todo List Program

Ruby Booleans

Achieved
May 4, 2015
Achievement
Ruby Booleans

Ruby Booleans

Achieved
May 4, 2015
Achievement
Build a Bank Account Class

Ruby Objects and Classes

Achieved
May 4, 2015
Achievement
Ruby Variables and Methods

Ruby Objects and Classes

Achieved
May 3, 2015
Achievement
Ruby Objects and Classes

Ruby Objects and Classes

Achieved
May 3, 2015
Achievement
Build a Simple Contact List

Ruby Loops

Achieved
Apr 20, 2015
Achievement
Ruby Iteration

Ruby Loops

Achieved
Apr 20, 2015
Achievement
Ruby Loops

Ruby Loops

Achieved
Apr 19, 2015
Achievement
Build a Grocery List Program

Ruby Collections

Achieved
Apr 13, 2015
Achievement
Ruby Hashes

Ruby Collections

Achieved
Apr 13, 2015
Achievement
Ruby Arrays

Ruby Collections

Achieved
Apr 13, 2015
Achievement
Ruby Logical Operators

Ruby Operators and Control Structures

Achieved
Apr 12, 2015
Achievement
Ruby Control Structures

Ruby Operators and Control Structures

Achieved
Apr 11, 2015
Achievement
Ruby Operators

Ruby Operators and Control Structures

Achieved
Apr 11, 2015
Achievement
Ruby Methods

Ruby Basics (Retired)

Achieved
Apr 11, 2015
Achievement
Ruby Numbers (Ruby Basics)

Ruby Basics (Retired)

Achieved
Apr 11, 2015
Achievement
Ruby Strings (Ruby Basics)

Ruby Basics (Retired)

Achieved
Mar 30, 2015
Achievement
How Ruby Works

Ruby Basics (Retired)

Achieved
Mar 30, 2015
Achievement
Getting Started with CSS

CSS Basics (2014)

Achieved
Mar 27, 2015
Achievement
Custom Post Type Templates

WordPress Theme Development

Achieved
Jan 13, 2015
Achievement
Building Out WordPress Navigation

WordPress Theme Development

Achieved
Jan 12, 2015
Achievement
Building Page Templates in WordPress

WordPress Theme Development

Achieved
Jan 12, 2015
Achievement
The WordPress Loop

WordPress Theme Development

Achieved
Jan 10, 2015
Achievement
WordPress Header and Footer Templates

WordPress Theme Development

Achieved
Jan 9, 2015
Achievement
Working with CSS and JS in WordPress Themes

WordPress Theme Development

Achieved
Jan 9, 2015
Achievement
Starting a WordPress Theme

WordPress Theme Development

Achieved
Jan 2, 2015
Achievement
The WordPress Codex

The WordPress Codex

Achieved
Jan 2, 2015
Achievement
Local WordPress Development

Local WordPress Development

Achieved
Jan 2, 2015
Achievement
WordPress Plugin Best Practices

How to Make a Website with WordPress

Achieved
Jan 2, 2015
Achievement
Widgets and Custom Menus

How to Make a Website with WordPress

Achieved
Jan 2, 2015
Achievement
Custom Post Types and Fields

How to Make a Website with WordPress

Achieved
Jan 1, 2015
Achievement
Customizing WordPress Themes

How to Make a Website with WordPress

Achieved
Jan 1, 2015
Achievement
WordPress Themes

How to Make a Website with WordPress

Achieved
Jan 1, 2015
Achievement
Installing Wordpress

How to Make a Website with WordPress

Achieved
Jan 1, 2015
Achievement
Finding Good WordPress Plugins and Themes

How to Build a WordPress Blog Without Coding

Achieved
Dec 31, 2014
Achievement
Managing Comments on a WordPress Blog

How to Build a WordPress Blog Without Coding

Achieved
Dec 31, 2014
Achievement
Working with Media in WordPress Blogs

How to Build a WordPress Blog Without Coding

Achieved
Dec 31, 2014
Achievement
Posts and Pages in WordPress

How to Build a WordPress Blog Without Coding

Achieved
Dec 31, 2014
Achievement
Blogging with WordPress Overview

How to Build a WordPress Blog Without Coding

Achieved
Dec 31, 2014
Achievement
Customizing BuddyPress

Learn BuddyPress: Social Networks with WordPress

Achieved
Dec 31, 2014
Achievement
Social Interactions in BuddyPress

Learn BuddyPress: Social Networks with WordPress

Achieved
Dec 31, 2014
Achievement
Manage BuddyPress Member Profiles

Learn BuddyPress: Social Networks with WordPress

Achieved
Dec 31, 2014
Achievement
Getting Started with BuddyPress

Learn BuddyPress: Social Networks with WordPress

Achieved
Dec 31, 2014
Achievement
Selecting Elements and Adding Events with JavaScript

Interactive Web Pages with JavaScript

Achieved
Nov 19, 2014
Achievement
JavaScript and the DOM

Interactive Web Pages with JavaScript

Achieved
Nov 18, 2014
Achievement
JavaScript Objects

JavaScript Foundations

Achieved
Nov 18, 2014
Achievement
JavaScript Functions

JavaScript Foundations

Achieved
Nov 14, 2014
Achievement
JavaScript Arrays

JavaScript Foundations

Achieved
Nov 13, 2014
Achievement
JavaScript Numbers

JavaScript Foundations

Achieved
Nov 12, 2014
Achievement
JavaScript Strings

JavaScript Foundations

Achieved
Nov 12, 2014
Achievement
Introduction Variables

JavaScript Foundations

Achieved
Nov 10, 2014
Achievement
Adding Color and Type

Illustrator Foundations

Achieved
Nov 10, 2014
Achievement
Creating an Icon

Illustrator Foundations

Achieved
Nov 9, 2014
Achievement
Functions

Introduction to Programming

Achieved
Nov 7, 2014
Achievement
Objects and Arrays

Introduction to Programming

Achieved
Nov 7, 2014
Achievement
Control Structures

Introduction to Programming

Achieved
Nov 7, 2014
Achievement
Basics

Introduction to Programming

Achieved
Nov 7, 2014
Achievement
Introduction to Illustrator

Illustrator Foundations

Achieved
Nov 6, 2014
Achievement
Workflow Basics

Photoshop Foundations

Achieved
Nov 6, 2014
Achievement
Slices & Save for Web

Photoshop Foundations

Achieved
Nov 6, 2014
Achievement
Vector Shapes

Photoshop Foundations

Achieved
Nov 6, 2014
Achievement
Type Tools

Photoshop Foundations

Achieved
Nov 6, 2014
Achievement
Masks Basics

Photoshop Foundations

Achieved
Nov 6, 2014
Achievement
Layer Basics

Photoshop Foundations

Achieved
Nov 5, 2014
Achievement
Workspace Basics

Photoshop Foundations

Achieved
Nov 5, 2014
Achievement
Design Foundations Final

Design Foundations

Achieved
Nov 5, 2014
Achievement
Becoming a Problem Solver

Design Foundations

Achieved
Nov 5, 2014
Achievement
Understanding Aesthetics

Design Foundations

Achieved
Nov 4, 2014
Achievement
Introduction to Design

Design Foundations

Achieved
Nov 4, 2014
Achievement
Color Theory

Aesthetic Foundations

Achieved
Nov 4, 2014
Achievement
Principles

Aesthetic Foundations

Achieved
Nov 4, 2014
Achievement
Elements

Aesthetic Foundations

Achieved
Nov 4, 2014
Achievement
Grid Layout

CSS Layout Techniques

Achieved
Nov 4, 2014
Achievement
Flexbox Layout

CSS Layout Techniques

Achieved
Nov 4, 2014
Achievement
Positioning Schemes

CSS Layout Techniques

Achieved
Nov 4, 2014
Achievement
Float Layout

CSS Layout Techniques

Achieved
Nov 4, 2014
Achievement
Display Modes

CSS Layout Techniques

Achieved
Nov 4, 2014
Achievement
Media Queries

Unused CSS Stages

Achieved
Nov 3, 2014
Achievement
CSS Animations

Unused CSS Stages

Achieved
Nov 3, 2014
Achievement
Transitions and Transforms

Unused CSS Stages

Achieved
Nov 2, 2014
Achievement
Flexbox and Multi-Column Layout

Unused CSS Stages

Achieved
Nov 2, 2014
Achievement
Gradients

CSS Foundations

Achieved
Nov 2, 2014
Achievement
Web Typography

CSS Foundations

Achieved
Nov 2, 2014
Achievement
Backgrounds and Borders

CSS Foundations

Achieved
Nov 2, 2014
Achievement
CSS Box Model

CSS Foundations

Achieved
Oct 31, 2014
Achievement
Text, Fonts, and Lists

CSS Foundations

Achieved
Oct 31, 2014
Achievement
Values and Units

CSS Foundations

Achieved
Oct 31, 2014
Achievement
Advanced Selectors

CSS Foundations

Achieved
Oct 30, 2014
Achievement
Selectors

CSS Foundations

Achieved
Oct 30, 2014
Achievement
Getting Started with CSS

CSS Foundations

Achieved
Oct 30, 2014
Achievement
Structuring Tables

HTML Tables

Achieved
Oct 30, 2014
Achievement
Table Basics

HTML Tables

Achieved
Oct 30, 2014
Achievement
Choosing Options

HTML Forms

Achieved
Oct 30, 2014
Achievement
Organizing Forms

HTML Forms

Achieved
Oct 29, 2014
Achievement
Form Basics

HTML Forms

Achieved
Oct 29, 2014
Achievement
Debugging HTML and CSS Problems

How to Make a Website

Achieved
Oct 29, 2014
Achievement
Sharing a Website

How to Make a Website

Achieved
Oct 29, 2014
Achievement
Responsive Web Design and Testing

How to Make a Website

Achieved
Oct 29, 2014
Achievement
Adding Pages to a Website

How to Make a Website

Achieved
Oct 28, 2014
Achievement
Styling Web Pages and Navigation

How to Make a Website

Achieved
Oct 28, 2014
Achievement
Customizing Colors and Fonts

How to Make a Website

Achieved
Oct 27, 2014
Achievement
CSS: Cascading Style Sheets

How to Make a Website

Achieved
Oct 27, 2014
Achievement
Creating HTML Content

How to Make a Website

Achieved
Oct 25, 2014
Achievement
HTML First

How to Make a Website

Achieved
Oct 25, 2014
Achievement
Beginning HTML and CSS

How to Make a Website

Achieved
Oct 25, 2014
Achievement
Newbie

Achieved
Oct 24, 2014