Julien riera

Julien riera

Member Since February 8, 2016

14,665

Total Points

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

167 Achievements

  • Achievement

    Introduction to Delegates

    Delegates in Swift 2

    Achieved

    Dec 5, 2016

    Introduction to Delegates
  • Achievement

    Extensions and Protocols

    Intermediate Swift 2

    Achieved

    Dec 5, 2016

    Extensions and Protocols
  • Achievement

    Memory Management in Swift 2

    Intermediate Swift 2

    Achieved

    Dec 5, 2016

    Memory Management in Swift 2
  • Achievement

    Value Semantics, Type Methods and Inheritance

    Intermediate Swift 2

    Achieved

    Dec 3, 2016

    Value Semantics, Type Methods and Inheritance
  • Achievement

    Object Initialization in Swift 2

    Intermediate Swift 2

    Achieved

    Dec 3, 2016

    Object Initialization in Swift 2
  • Achievement

    Properties in Swift 2

    Intermediate Swift 2

    Achieved

    Dec 1, 2016

    Properties in Swift 2
  • Achievement

    Displaying Additional Views

    Build a Vending Machine App in Swift 2.0

    Achieved

    Nov 25, 2016

    Displaying Additional Views
  • Achievement

    Using the Vending Machine

    Build a Vending Machine App in Swift 2.0

    Achieved

    Nov 25, 2016

    Using the Vending Machine
  • Achievement

    Loading Data From a Resource

    Build a Vending Machine App in Swift 2.0

    Achieved

    Nov 24, 2016

    Loading Data From a Resource
  • Achievement

    Modeling An Interface

    Build a Vending Machine App in Swift 2.0

    Achieved

    Nov 24, 2016

    Modeling An Interface
  • Achievement

    Error Handling in Swift 2.0

    Error Handling in Swift 2.0

    Achieved

    Nov 23, 2016

    Error Handling in Swift 2.0
  • Achievement

    Creating Flexible Objects Using Protocols

    Swift 2.0 Protocols

    Achieved

    Nov 23, 2016

    Creating Flexible Objects Using Protocols
  • Achievement

    Swift 2.0 Protocols

    Swift 2.0 Protocols

    Achieved

    Nov 23, 2016

    Swift 2.0 Protocols
  • Achievement

    Objects and Optionals

    Swift 2.0 Enumerations and Optionals

    Achieved

    Nov 22, 2016

    Objects and Optionals
  • Achievement

    Introduction to Optionals

    Swift 2.0 Enumerations and Optionals

    Achieved

    Nov 22, 2016

    Introduction to Optionals
  • Achievement

    Swift Operators

    Swift Basics

    Achieved

    Nov 21, 2016

    Swift Operators
  • Achievement

    Swift Types

    Swift Basics

    Achieved

    Nov 21, 2016

    Swift Types
  • Achievement

    An Introduction to Swift Programming

    Swift Basics

    Achieved

    Nov 21, 2016

    An Introduction to Swift Programming
  • Achievement

    Introduction to Enumerations

    Swift 2.0 Enumerations and Optionals

    Achieved

    Nov 19, 2016

    Introduction to Enumerations
  • Achievement

    Covering Your Bases

    Python Testing

    Achieved

    Nov 14, 2016

    Covering Your Bases
  • Achievement

    Be Assertive!

    Python Testing

    Achieved

    Nov 14, 2016

    Be Assertive!
  • Achievement

    What Is Testing?

    Python Testing

    Achieved

    Nov 14, 2016

    What Is Testing?
  • Achievement

    Running Apps on a Device

    Build a Simple iPhone App with Swift 2.0

    Achieved

    Nov 4, 2016

    Running Apps on a Device
  • Achievement

    Improving Our User Interface

    Build a Simple iPhone App with Swift 2.0

    Achieved

    Nov 4, 2016

    Improving Our User Interface
  • Achievement

    Structs as Data Models

    Build a Simple iPhone App with Swift 2.0

    Achieved

    Nov 3, 2016

    Structs as Data Models
  • Achievement

    View Controllers and Views

    Build a Simple iPhone App with Swift 2.0

    Achieved

    Nov 1, 2016

    View Controllers and Views
  • Achievement

    Getting Started with iOS Development

    Build a Simple iPhone App with Swift 2.0

    Achieved

    Oct 31, 2016

    Getting Started with iOS Development
  • Achievement

    Differentiating Between Objects

    Object-Oriented Swift 2.0

    Achieved

    Oct 31, 2016

    Differentiating Between Objects
  • Achievement

    Class Inheritance

    Object-Oriented Swift 2.0

    Achieved

    Oct 31, 2016

    Class Inheritance
  • Achievement

    Classes

    Object-Oriented Swift 2.0

    Achieved

    Oct 31, 2016

    Classes
  • Achievement

    Complex Data Structures

    Object-Oriented Swift 2.0

    Achieved

    Oct 31, 2016

    Complex Data Structures
  • Achievement

    Function Parameters

    Swift 2.0 Functions

    Achieved

    Oct 29, 2016

    Function Parameters
  • Achievement

    Functions in Swift 2.0

    Swift 2.0 Functions

    Achieved

    Oct 29, 2016

    Functions in Swift 2.0
  • Achievement

    Control Flow with Conditional Statements

    Swift 2.0 Collections and Control Flow

    Achieved

    Oct 28, 2016

    Control Flow with Conditional Statements
  • Achievement

    Control Flow With Loops

    Swift 2.0 Collections and Control Flow

    Achieved

    Oct 27, 2016

    Control Flow With Loops
  • Achievement

    Swift Dictionaries

    Swift 2.0 Collections and Control Flow

    Achieved

    Oct 26, 2016

    Swift Dictionaries
  • Achievement

    Introduction to Collections

    Swift 2.0 Collections and Control Flow

    Achieved

    Oct 26, 2016

    Introduction to Collections
  • Achievement

    Swift Operators

    Swift 2.0 Basics

    Achieved

    Oct 25, 2016

    Swift Operators
  • Achievement

    Swift Types

    Swift 2.0 Basics

    Achieved

    Oct 25, 2016

    Swift Types
  • Achievement

    An Introduction to Swift Programming

    Swift 2.0 Basics

    Achieved

    Oct 22, 2016

    An Introduction to Swift Programming
  • Achievement

    Gettin' CRUD-y With It

    Using Databases in Python

    Achieved

    Sep 29, 2016

    Gettin' CRUD-y With It
  • Achievement

    Our Diary App

    Using Databases in Python

    Achieved

    Sep 24, 2016

    Our Diary App
  • Achievement

    Meet Peewee

    Using Databases in Python

    Achieved

    Sep 24, 2016

    Meet Peewee
  • Achievement

    Python Regular Expressions

    Regular Expressions in Python

    Achieved

    Sep 23, 2016

    Python Regular Expressions
  • Achievement

    Timezones

    Dates and Times in Python (2014)

    Achieved

    Sep 16, 2016

    Timezones
  • Achievement

    Math Quiz App

    Dates and Times in Python (2014)

    Achieved

    Sep 16, 2016

    Math Quiz App
  • Achievement

    Dates and Times

    Dates and Times in Python (2014)

    Achieved

    Sep 15, 2016

    Dates and Times
  • Achievement

    Using your New Tools

    Java Basics

    Achieved

    Sep 15, 2016

    Using your New Tools
  • Achievement

    Getting Started with Java

    Java Basics

    Achieved

    Sep 15, 2016

    Getting Started with Java
  • Achievement

    Buggy Logs

    Write Better Python

    Achieved

    Sep 1, 2016

    Buggy Logs
  • Achievement

    Cleaner Code

    Write Better Python

    Achieved

    Sep 1, 2016

    Cleaner Code
  • Achievement

    Say Hello to Django

    Django Basics

    Achieved

    Aug 31, 2016

    Say Hello to Django
  • Achievement

    Hack-n-Slash

    Object-Oriented Python (retired)

    Achieved

    Aug 27, 2016

    Hack-n-Slash
  • Achievement

    Python Inheritance

    Object-Oriented Python (retired)

    Achieved

    Aug 26, 2016

    Python Inheritance
  • Achievement

    Python Objects

    Object-Oriented Python (retired)

    Achieved

    Aug 25, 2016

    Python Objects
  • Achievement

    Dungeon Game

    Python Collections (Retired)

    Achieved

    Aug 25, 2016

    Dungeon Game
  • Achievement

    Tuples

    Python Collections (Retired)

    Achieved

    Aug 24, 2016

    Tuples
  • Achievement

    Dictionaries

    Python Collections (Retired)

    Achieved

    Aug 23, 2016

    Dictionaries
  • Achievement

    Slices

    Python Collections (Retired)

    Achieved

    Aug 23, 2016

    Slices
  • Achievement

    Lists Redux

    Python Collections (Retired)

    Achieved

    Aug 23, 2016

    Lists Redux
  • Achievement

    Letter Game App

    Python Basics (2015)

    Achieved

    Aug 22, 2016

    Letter Game App
  • Achievement

    Number Game App

    Python Basics (2015)

    Achieved

    Aug 22, 2016

    Number Game App
  • Achievement

    Shopping List App

    Python Basics (2015)

    Achieved

    Aug 22, 2016

    Shopping List App
  • Achievement

    Logic in Python

    Python Basics (2015)

    Achieved

    Aug 21, 2016

    Logic in Python
  • Achievement

    Python Data Types

    Python Basics (2015)

    Achieved

    Aug 20, 2016

    Python Data Types
  • Achievement

    Becoming a Problem Solver

    Design Foundations

    Achieved

    Jun 13, 2016

    Becoming a Problem Solver
  • Achievement

    Understanding Aesthetics

    Design Foundations

    Achieved

    Jun 10, 2016

    Understanding Aesthetics
  • Achievement

    Introduction to Design

    Design Foundations

    Achieved

    Jun 7, 2016

    Introduction to Design
  • Achievement

    Python For Beginners

    Python Basics (2015)

    Achieved

    May 11, 2016

    Python For Beginners
  • Achievement

    PHP Includes

    Build a Basic PHP Website (2018)

    Achieved

    Apr 6, 2016

    PHP Includes
  • Achievement

    PHP Internal Functions

    PHP Functions

    Achieved

    Apr 6, 2016

    PHP Internal Functions
  • Achievement

    PHP Returns & Closures

    PHP Functions

    Achieved

    Apr 6, 2016

    PHP Returns & Closures
  • Achievement

    PHP Functions Basics

    PHP Functions

    Achieved

    Apr 6, 2016

    PHP Functions Basics
  • Achievement

    PHP Loops

    PHP Basics (Retired)

    Achieved

    Apr 5, 2016

    PHP Loops
  • Achievement

    PHP Conditionals

    PHP Basics (Retired)

    Achieved

    Apr 5, 2016

    PHP Conditionals
  • Achievement

    PHP Datatypes

    PHP Basics (Retired)

    Achieved

    Apr 5, 2016

    PHP Datatypes
  • Achievement

    PHP Data & Structure

    PHP Basics (Retired)

    Achieved

    Mar 31, 2016

    PHP Data & Structure
  • Achievement

    PHP Getting Started

    PHP Basics (Retired)

    Achieved

    Mar 31, 2016

    PHP Getting Started
  • Achievement

    Combine and Minify Assets

    Introduction to Front End Performance Optimization

    Achieved

    Mar 31, 2016

    Combine and Minify Assets
  • Achievement

    Optimize Assets

    Introduction to Front End Performance Optimization

    Achieved

    Mar 31, 2016

    Optimize Assets
  • Achievement

    Measuring Performance

    Introduction to Front End Performance Optimization

    Achieved

    Mar 31, 2016

    Measuring Performance
  • Achievement

    Planning for Performance

    Introduction to Front End Performance Optimization

    Achieved

    Mar 31, 2016

    Planning for Performance
  • Achievement

    Workflows

    Git Basics

    Achieved

    Mar 30, 2016

    Workflows
  • Achievement

    Working With Remote Repositories

    Git Basics

    Achieved

    Mar 30, 2016

    Working With Remote Repositories
  • Achievement

    Merging

    Git Basics

    Achieved

    Mar 30, 2016

    Merging
  • Achievement

    Branches

    Git Basics

    Achieved

    Mar 30, 2016

    Branches
  • Achievement

    Getting Started With Git

    Git Basics

    Achieved

    Mar 30, 2016

    Getting Started With Git
  • Achievement

    Why Version Control Matters

    Git Basics

    Achieved

    Mar 30, 2016

    Why Version Control Matters
  • Achievement

    Installing Programs

    Console Foundations

    Achieved

    Mar 26, 2016

    Installing Programs
  • Achievement

    Environment and Redirection

    Console Foundations

    Achieved

    Mar 26, 2016

    Environment and Redirection
  • Achievement

    Console Processes

    Console Foundations

    Achieved

    Mar 22, 2016

    Console Processes
  • Achievement

    Console Users and Permission

    Console Foundations

    Achieved

    Mar 22, 2016

    Console Users and Permission
  • Achievement

    Moving Around in the Console

    Console Foundations

    Achieved

    Mar 22, 2016

    Moving Around in the Console
  • Achievement

    Chrome DevTools Basics

    Website Optimization

    Achieved

    Mar 21, 2016

    Chrome DevTools Basics
  • Achievement

    Web Apps

    Accessibility

    Achieved

    Mar 18, 2016

    Web Apps
  • Achievement

    Websites

    Accessibility

    Achieved

    Mar 18, 2016

    Websites
  • Achievement

    Introduction

    Accessibility

    Achieved

    Mar 18, 2016

    Introduction
  • Achievement

    AJAX and APIs

    AJAX Basics (retiring)

    Achieved

    Mar 18, 2016

    AJAX and APIs
  • Achievement

    jQuery and AJAX

    AJAX Basics (retiring)

    Achieved

    Mar 17, 2016

    jQuery and AJAX
  • Achievement

    Programming AJAX

    AJAX Basics (retiring)

    Achieved

    Mar 17, 2016

    Programming AJAX
  • Achievement

    AJAX Concepts

    AJAX Basics (retiring)

    Achieved

    Mar 17, 2016

    AJAX Concepts
  • Achievement

    Custom Media Players

    HTML Video and Audio (Retired)

    Achieved

    Mar 16, 2016

    Custom Media Players
  • Achievement

    Captioning Video

    HTML Video and Audio (Retired)

    Achieved

    Mar 12, 2016

    Captioning Video
  • Achievement

    Media Basics

    HTML Video and Audio (Retired)

    Achieved

    Mar 12, 2016

    Media Basics
  • Achievement

    Traversing and Manipulating the DOM with JavaScript

    Interactive Web Pages with JavaScript

    Achieved

    Mar 12, 2016

    Traversing and Manipulating the DOM with JavaScript
  • Achievement

    Selecting Elements and Adding Events with JavaScript

    Interactive Web Pages with JavaScript

    Achieved

    Mar 8, 2016

    Selecting Elements and Adding Events with JavaScript
  • Achievement

    JavaScript and the DOM

    Interactive Web Pages with JavaScript

    Achieved

    Mar 8, 2016

    JavaScript and the DOM
  • Achievement

    Structuring Tables

    HTML Tables

    Achieved

    Mar 8, 2016

    Structuring Tables
  • Achievement

    Table Basics

    HTML Tables

    Achieved

    Mar 8, 2016

    Table Basics
  • Achievement

    Creating a Simple Drawing Application

    jQuery Basics (2014)

    Achieved

    Mar 7, 2016

    Creating a Simple Drawing Application
  • Achievement

    Creating a Password Confirmation Form

    jQuery Basics (2014)

    Achieved

    Mar 4, 2016

    Creating a Password Confirmation Form
  • Achievement

    Creating a Mobile Drop Down Menu

    jQuery Basics (2014)

    Achieved

    Mar 4, 2016

    Creating a Mobile Drop Down Menu
  • Achievement

    Creating a Simple Lightbox

    jQuery Basics (2014)

    Achieved

    Mar 2, 2016

    Creating a Simple Lightbox
  • Achievement

    Creating a Spoiler Revealer

    jQuery Basics (2014)

    Achieved

    Mar 1, 2016

    Creating a Spoiler Revealer
  • Achievement

    Introduction to jQuery

    jQuery Basics (2014)

    Achieved

    Mar 1, 2016

    Introduction to jQuery
  • Achievement

    Advanced Selectors

    CSS Selectors

    Achieved

    Mar 1, 2016

    Advanced Selectors
  • Achievement

    Going Further with Attribute Selectors and Pseudo-Classes

    CSS Selectors

    Achieved

    Mar 1, 2016

    Going Further with Attribute Selectors and Pseudo-Classes
  • Achievement

    Getting Started with WordPress

    Getting Started with WordPress

    Achieved

    Mar 1, 2016

    Getting Started with WordPress
  • Achievement

    Selectors - Beyond the Basics

    CSS Selectors

    Achieved

    Feb 29, 2016

    Selectors - Beyond the Basics
  • Achievement

    Choosing Options

    HTML Forms

    Achieved

    Feb 29, 2016

    Choosing Options
  • Achievement

    Organizing Forms

    HTML Forms

    Achieved

    Feb 29, 2016

    Organizing Forms
  • Achievement

    Form Basics

    HTML Forms

    Achieved

    Feb 29, 2016

    Form Basics
  • Achievement

    Building a Layout with Flexbox

    CSS Flexbox Layout

    Achieved

    Feb 28, 2016

    Building a Layout with Flexbox
  • Achievement

    Flexbox Properties

    CSS Flexbox Layout

    Achieved

    Feb 28, 2016

    Flexbox Properties
  • Achievement

    Understanding Flexbox

    CSS Flexbox Layout

    Achieved

    Feb 26, 2016

    Understanding Flexbox
  • Achievement

    Responsive Patterns

    Responsive Layouts

    Achieved

    Feb 26, 2016

    Responsive Patterns
  • Achievement

    Media Queries

    Responsive Layouts

    Achieved

    Feb 26, 2016

    Media Queries
  • Achievement

    Responsive Theory

    Responsive Layouts

    Achieved

    Feb 26, 2016

    Responsive Theory
  • Achievement

    Positioning Page Content

    CSS Layout Basics

    Achieved

    Feb 25, 2016

    Positioning Page Content
  • Achievement

    CSS Layout Project

    CSS Layout Basics

    Achieved

    Feb 25, 2016

    CSS Layout Project
  • Achievement

    Page Layout with the Float Property

    CSS Layout Basics

    Achieved

    Feb 25, 2016

    Page Layout with the Float Property
  • Achievement

    Controlling Layout with CSS Display Modes

    CSS Layout Basics

    Achieved

    Feb 25, 2016

    Controlling Layout with CSS Display Modes
  • Achievement

    Getting Started with CSS Layout

    CSS Layout Basics

    Achieved

    Feb 24, 2016

    Getting Started with CSS Layout
  • Achievement

    Fundamental Concepts

    CSS Basics (2014)

    Achieved

    Feb 24, 2016

    Fundamental Concepts
  • Achievement

    Designing with the Latest Features

    CSS Basics (2014)

    Achieved

    Feb 24, 2016

    Designing with the Latest Features
  • Achievement

    Basic Layout

    CSS Basics (2014)

    Achieved

    Feb 24, 2016

    Basic Layout
  • Achievement

    The Box Model

    CSS Basics (2014)

    Achieved

    Feb 24, 2016

    The Box Model
  • Achievement

    Understanding Values and Units

    CSS Basics (2014)

    Achieved

    Feb 23, 2016

    Understanding Values and Units
  • Achievement

    Basic Selectors

    CSS Basics (2014)

    Achieved

    Feb 22, 2016

    Basic Selectors
  • Achievement

    Getting Started with CSS

    CSS Basics (2014)

    Achieved

    Feb 22, 2016

    Getting Started with CSS
  • Achievement

    Quiz Practice Project

    Object-Oriented JavaScript (2015)

    Achieved

    Feb 22, 2016

    Quiz Practice Project
  • Achievement

    Prototypal Inheritance

    Object-Oriented JavaScript (2015)

    Achieved

    Feb 19, 2016

    Prototypal Inheritance
  • Achievement

    Constructor Functions & Prototypes

    Object-Oriented JavaScript (2015)

    Achieved

    Feb 19, 2016

    Constructor Functions & Prototypes
  • Achievement

    Introduction to Methods

    Object-Oriented JavaScript (2015)

    Achieved

    Feb 19, 2016

    Introduction to Methods
  • Achievement

    JavaScript Objects

    JavaScript Loops, Arrays and Objects

    Achieved

    Feb 19, 2016

    JavaScript Objects
  • Achievement

    JavaScript Arrays

    JavaScript Loops, Arrays and Objects

    Achieved

    Feb 18, 2016

    JavaScript Arrays
  • Achievement

    JavaScript Loops

    JavaScript Loops, Arrays and Objects

    Achieved

    Feb 17, 2016

    JavaScript Loops
  • Achievement

    JavaScript Functions

    JavaScript Basics (Retired)

    Achieved

    Feb 16, 2016

    JavaScript Functions
  • Achievement

    JavaScript Conditional Statements

    JavaScript Basics (Retired)

    Achieved

    Feb 15, 2016

    JavaScript Conditional Statements
  • Achievement

    JavaScript Numbers

    JavaScript Basics (Retired)

    Achieved

    Feb 15, 2016

    JavaScript Numbers
  • Achievement

    JavaScript Variables

    JavaScript Basics (Retired)

    Achieved

    Feb 13, 2016

    JavaScript Variables
  • Achievement

    Introducing JavaScript

    JavaScript Basics (Retired)

    Achieved

    Feb 13, 2016

    Introducing JavaScript
  • Achievement

    Ruby Methods

    Ruby Basics (Retired)

    Achieved

    Feb 12, 2016

    Ruby Methods
  • Achievement

    Ruby Numbers (Ruby Basics)

    Ruby Basics (Retired)

    Achieved

    Feb 12, 2016

    Ruby Numbers (Ruby Basics)
  • Achievement

    Ruby Strings (Ruby Basics)

    Ruby Basics (Retired)

    Achieved

    Feb 12, 2016

    Ruby Strings (Ruby Basics)
  • Achievement

    How Ruby Works

    Ruby Basics (Retired)

    Achieved

    Feb 12, 2016

    How Ruby Works
  • Achievement

    Debugging HTML and CSS Problems

    How to Make a Website

    Achieved

    Feb 12, 2016

    Debugging HTML and CSS Problems
  • Achievement

    Sharing a Website

    How to Make a Website

    Achieved

    Feb 12, 2016

    Sharing a Website
  • Achievement

    Responsive Web Design and Testing

    How to Make a Website

    Achieved

    Feb 11, 2016

    Responsive Web Design and Testing
  • Achievement

    Adding Pages to a Website

    How to Make a Website

    Achieved

    Feb 9, 2016

    Adding Pages to a Website
  • Achievement

    Styling Web Pages and Navigation

    How to Make a Website

    Achieved

    Feb 9, 2016

    Styling Web Pages and Navigation
  • Achievement

    Customizing Colors and Fonts

    How to Make a Website

    Achieved

    Feb 9, 2016

    Customizing Colors and Fonts
  • Achievement

    CSS: Cascading Style Sheets

    How to Make a Website

    Achieved

    Feb 8, 2016

    CSS: Cascading Style Sheets
  • Achievement

    Creating HTML Content

    How to Make a Website

    Achieved

    Feb 8, 2016

    Creating HTML Content
  • Achievement

    HTML First

    How to Make a Website

    Achieved

    Feb 8, 2016

    HTML First
  • Achievement

    Beginning HTML and CSS

    How to Make a Website

    Achieved

    Feb 8, 2016

    Beginning HTML and CSS
  • Achievement

    Newbie

    Achieved

    Feb 8, 2016

    Newbie