Alberto Centelles

Alberto Centelles

Nuremberg
Open to Work

8,356

Total Points

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
    • German

103 Achievements

  • Achievement

    Chrome DevTools Basics

    Website Optimization

    Achieved

    Dec 12, 2014

    Chrome DevTools Basics
  • Achievement

    Media Queries

    Unused CSS Stages

    Achieved

    Dec 12, 2014

    Media Queries
  • Achievement

    Customizing Google Maps

    Build an Interactive Website

    Achieved

    Dec 7, 2014

    Customizing Google Maps
  • Achievement

    Debugging HTML and CSS Problems

    How to Make a Website

    Achieved

    Dec 7, 2014

    Debugging HTML and CSS Problems
  • Achievement

    Sharing a Website

    How to Make a Website

    Achieved

    Dec 7, 2014

    Sharing a Website
  • Achievement

    Responsive Web Design and Testing

    How to Make a Website

    Achieved

    Dec 7, 2014

    Responsive Web Design and Testing
  • Achievement

    Adding Pages to a Website

    How to Make a Website

    Achieved

    Dec 7, 2014

    Adding Pages to a Website
  • Achievement

    Styling Web Pages and Navigation

    How to Make a Website

    Achieved

    Dec 7, 2014

    Styling Web Pages and Navigation
  • Achievement

    Customizing Colors and Fonts

    How to Make a Website

    Achieved

    Dec 7, 2014

    Customizing Colors and Fonts
  • Achievement

    CSS: Cascading Style Sheets

    How to Make a Website

    Achieved

    Dec 7, 2014

    CSS: Cascading Style Sheets
  • Achievement

    Creating HTML Content

    How to Make a Website

    Achieved

    Dec 7, 2014

    Creating HTML Content
  • Achievement

    HTML First

    How to Make a Website

    Achieved

    Dec 7, 2014

    HTML First
  • Achievement

    Beginning HTML and CSS

    How to Make a Website

    Achieved

    Dec 7, 2014

    Beginning HTML and CSS
  • Achievement

    AJAX and APIs

    AJAX Basics (retiring)

    Achieved

    Dec 6, 2014

    AJAX and APIs
  • Achievement

    jQuery and AJAX

    AJAX Basics (retiring)

    Achieved

    Dec 6, 2014

    jQuery and AJAX
  • Achievement

    Programming AJAX

    AJAX Basics (retiring)

    Achieved

    Dec 6, 2014

    Programming AJAX
  • Achievement

    AJAX Concepts

    AJAX Basics (retiring)

    Achieved

    Dec 6, 2014

    AJAX Concepts
  • Achievement

    jQuery Plugins

    Build an Interactive Website

    Achieved

    Nov 27, 2014

    jQuery Plugins
  • Achievement

    Tools UXers Use

    UX Basics

    Achieved

    Oct 3, 2014

    Tools UXers Use
  • Achievement

    How UXers Think

    UX Basics

    Achieved

    Oct 2, 2014

    How UXers Think
  • Achievement

    What Do User Experience Designers Do?

    UX Basics

    Achieved

    Oct 2, 2014

    What Do User Experience Designers Do?
  • Achievement

    What is User Experience (UX)?

    UX Basics

    Achieved

    Oct 2, 2014

    What is User Experience (UX)?
  • Achievement

    Creating a Simple Drawing Application

    jQuery Basics (2014)

    Achieved

    Sep 28, 2014

    Creating a Simple Drawing Application
  • Achievement

    Creating a Password Confirmation Form

    jQuery Basics (2014)

    Achieved

    Sep 26, 2014

    Creating a Password Confirmation Form
  • Achievement

    Creating a Mobile Drop Down Menu

    jQuery Basics (2014)

    Achieved

    Sep 24, 2014

    Creating a Mobile Drop Down Menu
  • Achievement

    Creating a Simple Lightbox

    jQuery Basics (2014)

    Achieved

    Sep 24, 2014

    Creating a Simple Lightbox
  • Achievement

    Creating a Spoiler Revealer

    jQuery Basics (2014)

    Achieved

    Sep 24, 2014

    Creating a Spoiler Revealer
  • Achievement

    Introduction to jQuery

    jQuery Basics (2014)

    Achieved

    Sep 21, 2014

    Introduction to jQuery
  • Achievement

    JavaScript Objects

    JavaScript Foundations

    Achieved

    Sep 20, 2014

    JavaScript Objects
  • Achievement

    JavaScript Functions

    JavaScript Foundations

    Achieved

    Sep 20, 2014

    JavaScript Functions
  • Achievement

    JavaScript Arrays

    JavaScript Foundations

    Achieved

    Sep 18, 2014

    JavaScript Arrays
  • Achievement

    JavaScript Numbers

    JavaScript Foundations

    Achieved

    Sep 17, 2014

    JavaScript Numbers
  • Achievement

    JavaScript Strings

    JavaScript Foundations

    Achieved

    Sep 14, 2014

    JavaScript Strings
  • Achievement

    Introduction Variables

    JavaScript Foundations

    Achieved

    Sep 13, 2014

    Introduction Variables
  • Achievement

    Treehouse Club - JavaScript

    Treehouse Club: JavaScript

    Achieved

    Sep 13, 2014

    Treehouse Club - JavaScript
  • Achievement

    Paginating a List: Model and View

    Enhancing a Simple PHP Application

    Achieved

    Sep 13, 2014

    Paginating a List: Model and View
  • Achievement

    Paginating a List: Controller

    Enhancing a Simple PHP Application

    Achieved

    Sep 12, 2014

    Paginating a List: Controller
  • Achievement

    Getting Started with Android

    Build a Simple Android App (2014)

    Achieved

    Sep 11, 2014

    Getting Started with Android
  • Achievement

    Limiting Results in Queries

    Using PHP with MySQL

    Achieved

    Sep 10, 2014

    Limiting Results in Queries
  • Achievement

    Using Relationship Tables

    Using PHP with MySQL

    Achieved

    Jul 21, 2014

    Using Relationship Tables
  • Achievement

    Filtering Input for Queries

    Using PHP with MySQL

    Achieved

    Jul 20, 2014

    Filtering Input for Queries
  • Achievement

    Querying the Database

    Using PHP with MySQL

    Achieved

    Jul 19, 2014

    Querying the Database
  • Achievement

    Connecting to MySQL

    Using PHP with MySQL

    Achieved

    Jul 14, 2014

    Connecting to MySQL
  • Achievement

    Securing and Maintaining a MySQL Database

    Database Foundations

    Achieved

    Jul 13, 2014

    Securing and Maintaining a MySQL Database
  • Achievement

    SQL Calculating, Aggregating and Other Functions

    Database Foundations

    Achieved

    Jul 13, 2014

    SQL Calculating, Aggregating and Other Functions
  • Achievement

    Joining Relational Data Between Tables in SQL

    Database Foundations

    Achieved

    Jul 13, 2014

    Joining Relational Data Between Tables in SQL
  • Achievement

    Manipulating Schema with SQL

    Database Foundations

    Achieved

    Jul 13, 2014

    Manipulating Schema with SQL
  • Achievement

    Creating Tables and Manipulating Data with SQL

    Database Foundations

    Achieved

    Jul 13, 2014

    Creating Tables and Manipulating Data with SQL
  • Achievement

    Reading Data from Databases with SQL

    Database Foundations

    Achieved

    Jul 13, 2014

    Reading Data from Databases with SQL
  • Achievement

    Installing MySQL Server and MySQL Workbench

    Database Foundations

    Achieved

    Jul 13, 2014

    Installing MySQL Server and MySQL Workbench
  • Achievement

    Introduction to Data, Databases and SQL

    Database Foundations

    Achieved

    Jul 12, 2014

    Introduction to Data, Databases and SQL
  • Achievement

    PHP Inheritance & Interfaces

    Object-Oriented PHP Basics (Retired)

    Achieved

    Jul 12, 2014

    PHP Inheritance & Interfaces
  • Achievement

    PHP Properties & Methods

    Object-Oriented PHP Basics (Retired)

    Achieved

    Jun 6, 2014

    PHP Properties & Methods
  • Achievement

    PHP Objects and Classes

    Object-Oriented PHP Basics (Retired)

    Achieved

    Jun 6, 2014

    PHP Objects and Classes
  • Achievement

    Adding Search: Model

    Enhancing a Simple PHP Application

    Achieved

    May 24, 2014

    Adding Search: Model
  • Achievement

    Adding Search: Controller & View

    Enhancing a Simple PHP Application

    Achieved

    May 11, 2014

    Adding Search: Controller & View
  • Achievement

    Refactoring the Codebase

    Enhancing a Simple PHP Application

    Achieved

    Mar 24, 2014

    Refactoring the Codebase
  • Achievement

    Cleaning URLs with Rewrite Rules

    Enhancing a Simple PHP Application

    Achieved

    Mar 23, 2014

    Cleaning URLs with Rewrite Rules
  • Achievement

    Cleaning URLs with Subfolders

    Enhancing a Simple PHP Application

    Achieved

    Mar 22, 2014

    Cleaning URLs with Subfolders
  • Achievement

    Integrating Validation Errors

    Enhancing a Simple PHP Application

    Achieved

    Mar 22, 2014

    Integrating Validation Errors
  • Achievement

    Form Validation and Manipulation

    Build an Interactive Website

    Achieved

    Mar 10, 2014

    Form Validation and Manipulation
  • Achievement

    Introduction to jQuery

    Build an Interactive Website

    Achieved

    Mar 8, 2014

    Introduction to jQuery
  • Achievement

    Advanced Techniques

    Build a Responsive Website

    Achieved

    Mar 8, 2014

    Advanced Techniques
  • Achievement

    Responsive Design

    Build a Responsive Website

    Achieved

    Mar 8, 2014

    Responsive Design
  • Achievement

    Adaptive Design

    Build a Responsive Website

    Achieved

    Mar 8, 2014

    Adaptive Design
  • Achievement

    Fluid Foundation

    Build a Responsive Website

    Achieved

    Mar 7, 2014

    Fluid Foundation
  • Achievement

    Introduction to Responsive Web Design

    Build a Responsive Website

    Achieved

    Mar 7, 2014

    Introduction to Responsive Web Design
  • Achievement

    Advanced Selectors

    CSS Foundations

    Achieved

    Mar 7, 2014

    Advanced Selectors
  • Achievement

    Selectors

    CSS Foundations

    Achieved

    Mar 6, 2014

    Selectors
  • Achievement

    Simple PHP Application: Wrapping Up The Project

    Build a Simple PHP Application

    Achieved

    Mar 2, 2014

    Simple PHP Application: Wrapping Up The Project
  • Achievement

    Working with PHP Functions

    Build a Simple PHP Application

    Achieved

    Mar 2, 2014

    Working with PHP Functions
  • Achievement

    Integrating With Paypal

    Build a Simple PHP Application

    Achieved

    Mar 2, 2014

    Integrating With Paypal
  • Achievement

    Listing Inventory Items

    Build a Simple PHP Application

    Achieved

    Mar 2, 2014

    Listing Inventory Items
  • Achievement

    Adding a Contact Form

    Build a Simple PHP Application

    Achieved

    Mar 1, 2014

    Adding a Contact Form
  • Achievement

    Creating the Menu and Footer

    Build a Simple PHP Application

    Achieved

    Mar 1, 2014

    Creating the Menu and Footer
  • Achievement

    Getting Started with PHP

    Build a Simple PHP Application

    Achieved

    Mar 1, 2014

    Getting Started with PHP
  • Achievement

    Functions

    Introduction to Programming

    Achieved

    Feb 28, 2014

    Functions
  • Achievement

    Objects and Arrays

    Introduction to Programming

    Achieved

    Feb 28, 2014

    Objects and Arrays
  • Achievement

    Control Structures

    Introduction to Programming

    Achieved

    Feb 28, 2014

    Control Structures
  • Achievement

    Basics

    Introduction to Programming

    Achieved

    Feb 28, 2014

    Basics
  • Achievement

    Links

    HTML

    Achieved

    Feb 28, 2014

    Links
  • Achievement

    Lists

    HTML

    Achieved

    Feb 25, 2014

    Lists
  • Achievement

    Getting Started with CSS

    CSS Foundations

    Achieved

    Feb 16, 2014

    Getting Started with CSS
  • Achievement

    WordPress Theme Templates

    How to Build a WordPress Theme

    Achieved

    Feb 13, 2014

    WordPress Theme Templates
  • Achievement

    Content Strategy with WordPress

    How to Build a WordPress Theme

    Achieved

    Feb 12, 2014

    Content Strategy with WordPress
  • Achievement

    WordPress Plugin Best Practices

    How to Make a Website with WordPress

    Achieved

    Feb 8, 2014

    WordPress Plugin Best Practices
  • Achievement

    Widgets and Custom Menus

    How to Make a Website with WordPress

    Achieved

    Feb 8, 2014

    Widgets and Custom Menus
  • Achievement

    Custom Post Types and Fields

    How to Make a Website with WordPress

    Achieved

    Feb 8, 2014

    Custom Post Types and Fields
  • Achievement

    Customizing WordPress Themes

    How to Make a Website with WordPress

    Achieved

    Feb 7, 2014

    Customizing WordPress Themes
  • Achievement

    WordPress Themes

    How to Make a Website with WordPress

    Achieved

    Feb 7, 2014

    WordPress Themes
  • Achievement

    Installing Wordpress

    How to Make a Website with WordPress

    Achieved

    Feb 7, 2014

    Installing Wordpress
  • Achievement

    Text

    HTML

    Achieved

    Feb 4, 2014

    Text
  • Achievement

    Forms

    HTML

    Achieved

    Feb 2, 2014

    Forms
  • Achievement

    Tables

    HTML

    Achieved

    Feb 2, 2014

    Tables
  • Achievement

    Objects

    HTML

    Achieved

    Feb 2, 2014

    Objects
  • Achievement

    Introduction

    HTML

    Achieved

    Jan 28, 2014

    Introduction
  • Achievement

    Getting a WordPress Site

    WordPress for Website Owners

    Achieved

    Jan 24, 2014

    Getting a WordPress Site
  • Achievement

    Launching the Website

    Build a Simple Website

    Achieved

    Jan 22, 2014

    Launching the Website
  • Achievement

    Styling Content

    Build a Simple Website

    Achieved

    Jan 22, 2014

    Styling Content
  • Achievement

    Creating a Website Structure

    Build a Simple Website

    Achieved

    Jan 22, 2014

    Creating a Website Structure
  • Achievement

    Text Editors and HTML

    Build a Simple Website

    Achieved

    Jan 22, 2014

    Text Editors and HTML
  • Achievement

    Website Basics

    Build a Simple Website

    Achieved

    Jan 20, 2014

    Website Basics
  • Achievement

    Newbie

    Achieved

    Jan 19, 2014

    Newbie