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Petros Sordinas

Athens, Greece

16,181

Total Points

•
3,193

JavaScript

3047 pts
Achievements

146 pts
Forum
•
2,779

PHP

2579 pts
Achievements

200 pts
Forum
•
2,188

CSS

2188 pts
Achievements

0 pts
Forum
•
1,619

Development Tools

1619 pts
Achievements

0 pts
Forum
•
1,348

HTML

1324 pts
Achievements

24 pts
Forum
•
1,106

Python

1106 pts
Achievements

0 pts
Forum
•
478

Design

478 pts
Achievements

0 pts
Forum
•
275

Business

275 pts
Achievements

0 pts
Forum
•
180

Go Language

180 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
- Greek, English

196 Achievements

Achievement
Go Data Structures Overview

Go Language Overview

Achieved
May 6, 2020
Achievement
Go Flow Control Overview

Go Language Overview

Achieved
May 4, 2020
Achievement
Go Syntax Overview

Go Language Overview

Achieved
May 4, 2020
Achievement
Introduction to Typography

Web Typography

Achieved
Mar 22, 2017
Achievement
Understanding Classes

Object-Oriented PHP Basics

Achieved
May 26, 2016
Achievement
Why Object-Oriented Programming?

Object-Oriented PHP Basics

Achieved
May 26, 2016
Achievement
HTML Email Basics

HTML Email Design

Achieved
Apr 9, 2016
Achievement
JavaScript Loops

JavaScript Loops, Arrays and Objects

Achieved
Feb 16, 2016
Achievement
Creating a Simple Server in Node.js

Build a Simple Dynamic Site with Node.js

Achieved
Feb 16, 2016
Achievement
JavaScript Functions

JavaScript Basics (Retired)

Achieved
Feb 15, 2016
Achievement
JavaScript Conditional Statements

JavaScript Basics (Retired)

Achieved
Feb 15, 2016
Achievement
JavaScript Numbers

JavaScript Basics (Retired)

Achieved
Feb 15, 2016
Achievement
JavaScript Variables

JavaScript Basics (Retired)

Achieved
Feb 15, 2016
Achievement
Building a Command Line Application

Node.js Basics (2014)

Achieved
Feb 14, 2016
Achievement
Introduction to Node.js

Node.js Basics (2014)

Achieved
Feb 14, 2016
Achievement
Constructor Functions & Prototypes

Object-Oriented JavaScript (2015)

Achieved
Nov 2, 2015
Achievement
Introduction to Methods

Object-Oriented JavaScript (2015)

Achieved
Oct 30, 2015
Achievement
Starting Right with PHP Best Practices

PHP Standards and Best Practices

Achieved
Jun 3, 2015
Achievement
Item Completion & Interaction

Nested CRUD with Laravel 4

Achieved
Feb 18, 2015
Achievement
Nested Edits & Updates

Nested CRUD with Laravel 4

Achieved
Feb 18, 2015
Achievement
Nested Routes & Controllers

Nested CRUD with Laravel 4

Achieved
Feb 18, 2015
Achievement
Swift Structs

Swift Enums and Structs

Achieved
Feb 11, 2015
Achievement
Swift Enums and their Methods

Swift Enums and Structs

Achieved
Feb 10, 2015
Achievement
Swift Enums

Swift Enums and Structs

Achieved
Feb 10, 2015
Achievement
Swift Optionals

Swift Functions and Optionals

Achieved
Feb 6, 2015
Achievement
Swift Parameters and Tuples

Swift Functions and Optionals

Achieved
Feb 6, 2015
Achievement
Swift Functions

Swift Functions and Optionals

Achieved
Feb 5, 2015
Achievement
Control Flow

Swift Basics (retired)

Achieved
Feb 5, 2015
Achievement
Collections

Swift Basics (retired)

Achieved
Feb 5, 2015
Achievement
Operators

Swift Basics (retired)

Achieved
Feb 5, 2015
Achievement
Types

Swift Basics (retired)

Achieved
Feb 5, 2015
Achievement
Variables and Constants

Swift Basics (retired)

Achieved
Feb 5, 2015
Achievement
Creating Your Tests

PHP Testing

Achieved
Jan 30, 2015
Achievement
Tools for Testers

PHP Testing

Achieved
Jan 29, 2015
Achievement
How To Test Our Code

PHP Testing

Achieved
Jan 29, 2015
Achievement
PHP Datatypes

PHP Basics (Retired)

Achieved
Dec 31, 2014
Achievement
AngularJS MVC Frameworks

AngularJS

Achieved
Dec 10, 2014
Achievement
Introducing JavaScript

JavaScript Basics (Retired)

Achieved
Dec 9, 2014
Achievement
Getting Started with Ember.js

Ember.js

Achieved
Nov 12, 2014
Achievement
Selecting Elements and Adding Events with JavaScript

Interactive Web Pages with JavaScript

Achieved
Oct 31, 2014
Achievement
Hack-n-Slash

Object-Oriented Python (retired)

Achieved
Oct 29, 2014
Achievement
Python Inheritance

Object-Oriented Python (retired)

Achieved
Oct 27, 2014
Achievement
Python Objects

Object-Oriented Python (retired)

Achieved
Oct 25, 2014
Achievement
Dungeon Game

Python Collections (Retired)

Achieved
Oct 24, 2014
Achievement
Tuples

Python Collections (Retired)

Achieved
Oct 24, 2014
Achievement
Dictionaries

Python Collections (Retired)

Achieved
Oct 24, 2014
Achievement
Slices

Python Collections (Retired)

Achieved
Oct 24, 2014
Achievement
Lists Redux

Python Collections (Retired)

Achieved
Oct 22, 2014
Achievement
Pick a Number! Any Number!

Python Basics (Retired)

Achieved
Oct 21, 2014
Achievement
Putting the "Fun" Back in "Functions"

Python Basics (Retired)

Achieved
Oct 21, 2014
Achievement
Shopping List

Python Basics (Retired)

Achieved
Oct 21, 2014
Achievement
Things That Count

Python Basics (Retired)

Achieved
Oct 21, 2014
Achievement
Ins & Outs

Python Basics (Retired)

Achieved
Oct 21, 2014
Achievement
Say Hello to Python

Python Basics (Retired)

Achieved
Oct 20, 2014
Achievement
JavaScript and the DOM

Interactive Web Pages with JavaScript

Achieved
Oct 20, 2014
Achievement
PHP Data & Structure

PHP Basics (Retired)

Achieved
Oct 17, 2014
Achievement
PHP Getting Started

PHP Basics (Retired)

Achieved
Oct 15, 2014
Achievement
Introduction to Responsive Web Design

Build a Responsive Website

Achieved
Oct 15, 2014
Achievement
Better SEO Through Tools

SEO Basics

Achieved
Oct 15, 2014
Achievement
Better SEO Through Code

SEO Basics

Achieved
Oct 15, 2014
Achievement
Design Foundations Final

Design Foundations

Achieved
Oct 15, 2014
Achievement
Becoming a Problem Solver

Design Foundations

Achieved
Oct 15, 2014
Achievement
Prototyping With Bootstrap

Framework Basics

Achieved
Oct 3, 2014
Achievement
Introduction to Front-End Frameworks

Framework Basics

Achieved
Oct 3, 2014
Achievement
Getting Started with Advanced Sass

Advanced Sass

Achieved
Sep 30, 2014
Achievement
Advanced Sass Concepts

Sass Basics (retired)

Achieved
Sep 29, 2014
Achievement
DNS Basics

Technology Foundations

Achieved
Sep 28, 2014
Achievement
Graphic Basics

Technology Foundations

Achieved
Sep 28, 2014
Achievement
Speeding up Workflow With Sass

Sass Basics (retired)

Achieved
Sep 28, 2014
Achievement
Variables, Mixins, and Extending Selectors

Sass Basics (retired)

Achieved
Sep 28, 2014
Achievement
Getting Started with Sass

Sass Basics (retired)

Achieved
Sep 28, 2014
Achievement
Relating Models

Laravel 4 Basics

Achieved
Sep 27, 2014
Achievement
Laravel CRUD

Laravel 4 Basics

Achieved
Sep 27, 2014
Achievement
Validation & Flash Messages

Laravel 4 Basics

Achieved
Sep 27, 2014
Achievement
Laravel Forms

Laravel 4 Basics

Achieved
Sep 27, 2014
Achievement
Laravel & Databases

Laravel 4 Basics

Achieved
Sep 27, 2014
Achievement
Laravel Controllers

Laravel 4 Basics

Achieved
Sep 27, 2014
Achievement
Laravel Project Setup

Laravel 4 Basics

Achieved
Sep 27, 2014
Achievement
Laravel Getting Started

Laravel 4 Basics

Achieved
Sep 27, 2014
Achievement
Workflows

Git Basics

Achieved
Sep 26, 2014
Achievement
Working With Remote Repositories

Git Basics

Achieved
Sep 26, 2014
Achievement
Merging

Git Basics

Achieved
Sep 26, 2014
Achievement
Branches

Git Basics

Achieved
Sep 26, 2014
Achievement
Getting Started With Git

Git Basics

Achieved
Sep 26, 2014
Achievement
Why Version Control Matters

Git Basics

Achieved
Sep 26, 2014
Achievement
Introduction

Accessibility

Achieved
Aug 22, 2014
Achievement
AJAX and APIs

AJAX Basics (retiring)

Achieved
Aug 21, 2014
Achievement
Understanding Aesthetics

Design Foundations

Achieved
Aug 20, 2014
Achievement
jQuery and AJAX

AJAX Basics (retiring)

Achieved
Aug 20, 2014
Achievement
Programming AJAX

AJAX Basics (retiring)

Achieved
Aug 20, 2014
Achievement
AJAX Concepts

AJAX Basics (retiring)

Achieved
Aug 20, 2014
Achievement
Structuring Tables

HTML Tables

Achieved
Aug 19, 2014
Achievement
Table Basics

HTML Tables

Achieved
Aug 19, 2014
Achievement
Choosing Options

HTML Forms

Achieved
Aug 19, 2014
Achievement
Organizing Forms

HTML Forms

Achieved
Aug 19, 2014
Achievement
Form Basics

HTML Forms

Achieved
Aug 19, 2014
Achievement
Installing Programs

Console Foundations

Achieved
Aug 19, 2014
Achievement
Environment and Redirection

Console Foundations

Achieved
Aug 19, 2014
Achievement
Console Processes

Console Foundations

Achieved
Aug 19, 2014
Achievement
Console Users and Permission

Console Foundations

Achieved
Aug 19, 2014
Achievement
Moving Around in the Console

Console Foundations

Achieved
Aug 19, 2014
Achievement
Creating a Simple Drawing Application

jQuery Basics (2014)

Achieved
Aug 18, 2014
Achievement
Creating a Password Confirmation Form

jQuery Basics (2014)

Achieved
Aug 18, 2014
Achievement
Creating a Mobile Drop Down Menu

jQuery Basics (2014)

Achieved
Aug 14, 2014
Achievement
Introduction to Design

Design Foundations

Achieved
Aug 13, 2014
Achievement
Creating a Simple Lightbox

jQuery Basics (2014)

Achieved
Jul 25, 2014
Achievement
Creating a Spoiler Revealer

jQuery Basics (2014)

Achieved
Jul 22, 2014
Achievement
Introduction to jQuery

jQuery Basics (2014)

Achieved
Jul 22, 2014
Achievement
JavaScript Objects

JavaScript Foundations

Achieved
Jul 22, 2014
Achievement
JavaScript Functions

JavaScript Foundations

Achieved
Jul 10, 2014
Achievement
JavaScript Arrays

JavaScript Foundations

Achieved
Jul 8, 2014
Achievement
JavaScript Numbers

JavaScript Foundations

Achieved
Jun 23, 2014
Achievement
JavaScript Strings

JavaScript Foundations

Achieved
Jun 18, 2014
Achievement
Introduction Variables

JavaScript Foundations

Achieved
Jun 14, 2014
Achievement
Media Queries

Unused CSS Stages

Achieved
Jun 14, 2014
Achievement
CSS Animations

Unused CSS Stages

Achieved
Jun 14, 2014
Achievement
Transitions and Transforms

Unused CSS Stages

Achieved
Jun 3, 2014
Achievement
Flexbox and Multi-Column Layout

Unused CSS Stages

Achieved
May 25, 2014
Achievement
Gradients

CSS Foundations

Achieved
May 22, 2014
Achievement
What Do User Experience Designers Do?

UX Basics

Achieved
May 20, 2014
Achievement
Better SEO Through Content

SEO Basics

Achieved
May 19, 2014
Achievement
Web Typography

CSS Foundations

Achieved
May 19, 2014
Achievement
Backgrounds and Borders

CSS Foundations

Achieved
May 16, 2014
Achievement
CSS Box Model

CSS Foundations

Achieved
May 15, 2014
Achievement
Introduction to SEO

SEO Basics

Achieved
May 15, 2014
Achievement
What is User Experience (UX)?

UX Basics

Achieved
May 14, 2014
Achievement
PHP Inheritance & Interfaces

Object-Oriented PHP Basics (Retired)

Achieved
May 13, 2014
Achievement
PHP Properties & Methods

Object-Oriented PHP Basics (Retired)

Achieved
May 13, 2014
Achievement
PHP Objects and Classes

Object-Oriented PHP Basics (Retired)

Achieved
May 13, 2014
Achievement
Text, Fonts, and Lists

CSS Foundations

Achieved
May 13, 2014
Achievement
Values and Units

CSS Foundations

Achieved
May 13, 2014
Achievement
Advanced Selectors

CSS Foundations

Achieved
May 13, 2014
Achievement
Selectors

CSS Foundations

Achieved
May 11, 2014
Achievement
Getting Started with CSS

CSS Foundations

Achieved
May 11, 2014
Achievement
Limiting Results in Queries

Using PHP with MySQL

Achieved
May 11, 2014
Achievement
Using Relationship Tables

Using PHP with MySQL

Achieved
May 10, 2014
Achievement
Filtering Input for Queries

Using PHP with MySQL

Achieved
May 10, 2014
Achievement
Querying the Database

Using PHP with MySQL

Achieved
May 10, 2014
Achievement
Connecting to MySQL

Using PHP with MySQL

Achieved
May 10, 2014
Achievement
Securing and Maintaining a MySQL Database

Database Foundations

Achieved
May 10, 2014
Achievement
SQL Calculating, Aggregating and Other Functions

Database Foundations

Achieved
May 10, 2014
Achievement
Joining Relational Data Between Tables in SQL

Database Foundations

Achieved
May 10, 2014
Achievement
Manipulating Schema with SQL

Database Foundations

Achieved
May 9, 2014
Achievement
Creating Tables and Manipulating Data with SQL

Database Foundations

Achieved
May 9, 2014
Achievement
Reading Data from Databases with SQL

Database Foundations

Achieved
May 8, 2014
Achievement
Installing MySQL Server and MySQL Workbench

Database Foundations

Achieved
May 8, 2014
Achievement
Introduction to Data, Databases and SQL

Database Foundations

Achieved
May 8, 2014
Achievement
Paginating a List: Model and View

Enhancing a Simple PHP Application

Achieved
May 8, 2014
Achievement
Paginating a List: Controller

Enhancing a Simple PHP Application

Achieved
May 8, 2014
Achievement
Adding Search: Model

Enhancing a Simple PHP Application

Achieved
May 7, 2014
Achievement
Adding Search: Controller & View

Enhancing a Simple PHP Application

Achieved
May 6, 2014
Achievement
Refactoring the Codebase

Enhancing a Simple PHP Application

Achieved
May 6, 2014
Achievement
Cleaning URLs with Rewrite Rules

Enhancing a Simple PHP Application

Achieved
May 6, 2014
Achievement
Cleaning URLs with Subfolders

Enhancing a Simple PHP Application

Achieved
May 5, 2014
Achievement
Integrating Validation Errors

Enhancing a Simple PHP Application

Achieved
May 5, 2014
Achievement
Simple PHP Application: Wrapping Up The Project

Build a Simple PHP Application

Achieved
May 4, 2014
Achievement
Working with PHP Functions

Build a Simple PHP Application

Achieved
May 4, 2014
Achievement
Integrating With Paypal

Build a Simple PHP Application

Achieved
May 4, 2014
Achievement
Listing Inventory Items

Build a Simple PHP Application

Achieved
May 3, 2014
Achievement
Adding a Contact Form

Build a Simple PHP Application

Achieved
May 3, 2014
Achievement
Creating the Menu and Footer

Build a Simple PHP Application

Achieved
May 3, 2014
Achievement
Getting Started with PHP

Build a Simple PHP Application

Achieved
May 2, 2014
Achievement
Functions

Introduction to Programming

Achieved
May 2, 2014
Achievement
Objects and Arrays

Introduction to Programming

Achieved
May 2, 2014
Achievement
Control Structures

Introduction to Programming

Achieved
May 2, 2014
Achievement
Basics

Introduction to Programming

Achieved
May 2, 2014
Achievement
Forms

HTML

Achieved
May 1, 2014
Achievement
Tables

HTML

Achieved
May 1, 2014
Achievement
Objects

HTML

Achieved
May 1, 2014
Achievement
Links

HTML

Achieved
May 1, 2014
Achievement
Lists

HTML

Achieved
May 1, 2014
Achievement
Text

HTML

Achieved
May 1, 2014
Achievement
Introduction

HTML

Achieved
May 1, 2014
Achievement
Debugging HTML and CSS Problems

How to Make a Website

Achieved
May 1, 2014
Achievement
Sharing a Website

How to Make a Website

Achieved
May 1, 2014
Achievement
Responsive Web Design and Testing

How to Make a Website

Achieved
Apr 24, 2014
Achievement
Adding Pages to a Website

How to Make a Website

Achieved
Apr 22, 2014
Achievement
Styling Web Pages and Navigation

How to Make a Website

Achieved
Apr 22, 2014
Achievement
Customizing Colors and Fonts

How to Make a Website

Achieved
Apr 20, 2014
Achievement
CSS: Cascading Style Sheets

How to Make a Website

Achieved
Apr 19, 2014
Achievement
Creating HTML Content

How to Make a Website

Achieved
Apr 19, 2014
Achievement
HTML First

How to Make a Website

Achieved
Apr 19, 2014
Achievement
Beginning HTML and CSS

How to Make a Website

Achieved
Apr 19, 2014
Achievement
Designing your App

Build a Simple iPhone App (iOS7)

Achieved
Mar 26, 2014
Achievement
Refactoring into a Model

Build a Simple iPhone App (iOS7)

Achieved
Mar 26, 2014
Achievement
Creating a Data Collection

Build a Simple iPhone App (iOS7)

Achieved
Mar 26, 2014
Achievement
Understanding Views and View Controllers

Build a Simple iPhone App (iOS7)

Achieved
Mar 22, 2014
Achievement
Getting Started (iOS7)

Build a Simple iPhone App (iOS7)

Achieved
Mar 22, 2014
Achievement
Beyond the Basics

Objective-C Basics (Retired)

Achieved
Mar 21, 2014
Achievement
Advanced Objective-C

Objective-C Basics (Retired)

Achieved
Mar 21, 2014
Achievement
Foundation Framework

Objective-C Basics (Retired)

Achieved
Mar 21, 2014
Achievement
Introduction to Objective-C

Objective-C Basics (Retired)

Achieved
Mar 21, 2014
Achievement
Pointers and Memory

Objective-C Basics (Retired)

Achieved
Mar 21, 2014
Achievement
Functional Programming in C

Objective-C Basics (Retired)

Achieved
Mar 21, 2014
Achievement
Fundamentals of C

Objective-C Basics (Retired)

Achieved
Mar 21, 2014
Achievement
Newbie

Achieved
Mar 21, 2014