Dimosthenis Tzemanakis

Dimosthenis Tzemanakis

Member Since October 19, 2014

8,049

Total Points

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

Skills & Experience

  • Company

    philanthropy.gr

111 Achievements

  • Achievement

    More Advanced PHP for WordPress

    PHP for WordPress

    Achieved

    Oct 1, 2017

    More Advanced PHP for WordPress
  • Achievement

    PHP Basics for WordPress

    PHP for WordPress

    Achieved

    Oct 1, 2017

    PHP Basics for WordPress
  • Achievement

    Introduction to PHP for WordPress

    PHP for WordPress

    Achieved

    Oct 1, 2017

    Introduction to PHP for WordPress
  • Achievement

    Going Further with Grid Layout

    CSS Grid Layout

    Achieved

    Oct 1, 2017

    Going Further with Grid Layout
  • Achievement

    What is Authentication

    PHP User Authentication

    Achieved

    Oct 1, 2017

    What is Authentication
  • Achievement

    Flexible Sized Grids

    CSS Grid Layout

    Achieved

    Sep 28, 2017

    Flexible Sized Grids
  • Achievement

    Introducing Grid Layout

    CSS Grid Layout

    Achieved

    Sep 28, 2017

    Introducing Grid Layout
  • Achievement

    Database Security

    PHP & Databases with PDO

    Achieved

    Sep 24, 2017

    Database Security
  • Achievement

    Queries & Results

    PHP & Databases with PDO

    Achieved

    Sep 24, 2017

    Queries & Results
  • Achievement

    Getting Started with PDO

    PHP & Databases with PDO

    Achieved

    Sep 24, 2017

    Getting Started with PDO
  • Achievement

    Creating a Password Confirmation Form

    jQuery Basics (2014)

    Achieved

    Apr 27, 2017

    Creating a Password Confirmation Form
  • Achievement

    Creating a Mobile Drop Down Menu

    jQuery Basics (2014)

    Achieved

    Apr 26, 2017

    Creating a Mobile Drop Down Menu
  • Achievement

    Creating a Simple Lightbox

    jQuery Basics (2014)

    Achieved

    Apr 25, 2017

    Creating a Simple Lightbox
  • Achievement

    Creating a Spoiler Revealer

    jQuery Basics (2014)

    Achieved

    Apr 25, 2017

    Creating a Spoiler Revealer
  • Achievement

    Introduction to jQuery

    jQuery Basics (2014)

    Achieved

    Apr 25, 2017

    Introduction to jQuery
  • Achievement

    Building a Layout with Flexbox

    CSS Flexbox Layout

    Achieved

    Apr 23, 2017

    Building a Layout with Flexbox
  • Achievement

    Flexbox Properties

    CSS Flexbox Layout

    Achieved

    Apr 21, 2017

    Flexbox Properties
  • Achievement

    Understanding Flexbox

    CSS Flexbox Layout

    Achieved

    Apr 21, 2017

    Understanding Flexbox
  • Achievement

    Media Templates in WordPress

    The WordPress Template Hierarchy

    Achieved

    Apr 18, 2017

    Media Templates in WordPress
  • Achievement

    Custom Post Type Templates

    The WordPress Template Hierarchy

    Achieved

    Apr 18, 2017

    Custom Post Type Templates
  • Achievement

    Archive Templates in WordPress

    The WordPress Template Hierarchy

    Achieved

    Apr 18, 2017

    Archive Templates in WordPress
  • Achievement

    Page and Post Templates in WordPress

    The WordPress Template Hierarchy

    Achieved

    Apr 18, 2017

    Page and Post Templates in WordPress
  • Achievement

    Homepage Templates in WordPress

    The WordPress Template Hierarchy

    Achieved

    Apr 18, 2017

    Homepage Templates in WordPress
  • Achievement

    Core WordPress Theme Files

    The WordPress Template Hierarchy

    Achieved

    Apr 18, 2017

    Core WordPress Theme Files
  • Achievement

    How WordPress Templates Work

    The WordPress Template Hierarchy

    Achieved

    Apr 17, 2017

    How WordPress Templates Work
  • Achievement

    Dependency Management

    Building Websites with PHP

    Achieved

    Apr 17, 2017

    Dependency Management
  • Achievement

    Media Queries

    Responsive Layouts

    Achieved

    Apr 12, 2017

    Media Queries
  • Achievement

    Advanced Selectors

    CSS Selectors

    Achieved

    Apr 9, 2017

    Advanced Selectors
  • Achievement

    Going Further with Attribute Selectors and Pseudo-Classes

    CSS Selectors

    Achieved

    Apr 9, 2017

    Going Further with Attribute Selectors and Pseudo-Classes
  • Achievement

    Selectors - Beyond the Basics

    CSS Selectors

    Achieved

    Apr 9, 2017

    Selectors - Beyond the Basics
  • Achievement

    PHP Internal Functions

    PHP Functions

    Achieved

    Apr 9, 2017

    PHP Internal Functions
  • Achievement

    Logo Design 101

    Logo Design Basics

    Achieved

    Apr 5, 2017

    Logo Design 101
  • Achievement

    Responsive Theory

    Responsive Layouts

    Achieved

    Mar 27, 2017

    Responsive Theory
  • Achievement

    Structuring Tables

    HTML Tables

    Achieved

    Mar 26, 2017

    Structuring Tables
  • Achievement

    Table Basics

    HTML Tables

    Achieved

    Mar 26, 2017

    Table Basics
  • Achievement

    Positioning Page Content

    CSS Layout Basics

    Achieved

    Mar 23, 2017

    Positioning Page Content
  • Achievement

    CSS Layout Project

    CSS Layout Basics

    Achieved

    Mar 23, 2017

    CSS Layout Project
  • Achievement

    Page Layout with the Float Property

    CSS Layout Basics

    Achieved

    Mar 23, 2017

    Page Layout with the Float Property
  • Achievement

    Controlling Layout with CSS Display Modes

    CSS Layout Basics

    Achieved

    Mar 23, 2017

    Controlling Layout with CSS Display Modes
  • Achievement

    Getting Started with CSS Layout

    CSS Layout Basics

    Achieved

    Mar 21, 2017

    Getting Started with CSS Layout
  • Achievement

    Choosing Options

    HTML Forms

    Achieved

    Mar 19, 2017

    Choosing Options
  • Achievement

    Organizing Forms

    HTML Forms

    Achieved

    Mar 19, 2017

    Organizing Forms
  • Achievement

    Form Basics

    HTML Forms

    Achieved

    Mar 19, 2017

    Form Basics
  • Achievement

    Adding 3D Effects with CSS

    CSS Transitions and Transforms

    Achieved

    Mar 18, 2017

    Adding 3D Effects with CSS
  • Achievement

    Going Mobile

    HTML Email Design

    Achieved

    Mar 18, 2017

    Going Mobile
  • Achievement

    Designing Email with CSS

    HTML Email Design

    Achieved

    Mar 18, 2017

    Designing Email with CSS
  • Achievement

    Coding HTML Email

    HTML Email Design

    Achieved

    Mar 16, 2017

    Coding HTML Email
  • Achievement

    HTML Email Basics

    HTML Email Design

    Achieved

    Mar 16, 2017

    HTML Email Basics
  • Achievement

    Getting Started with CSS Transforms

    CSS Transitions and Transforms

    Achieved

    Mar 15, 2017

    Getting Started with CSS Transforms
  • Achievement

    Transition Timing Functions and Delays

    CSS Transitions and Transforms

    Achieved

    Mar 9, 2017

    Transition Timing Functions and Delays
  • Achievement

    Getting Started with CSS Transitions

    CSS Transitions and Transforms

    Achieved

    Mar 9, 2017

    Getting Started with CSS Transitions
  • Achievement

    DOM Traversal

    Introduction to jQuery

    Achieved

    Mar 2, 2017

    DOM Traversal
  • Achievement

    DOM Manipulation

    Introduction to jQuery

    Achieved

    Mar 2, 2017

    DOM Manipulation
  • Achievement

    Events

    Introduction to jQuery

    Achieved

    Mar 2, 2017

    Events
  • Achievement

    Hello, jQuery!

    Introduction to jQuery

    Achieved

    Feb 25, 2017

    Hello, jQuery!
  • Achievement

    AJAX and APIs

    AJAX Basics (retiring)

    Achieved

    Feb 22, 2017

    AJAX and APIs
  • Achievement

    jQuery and AJAX

    AJAX Basics (retiring)

    Achieved

    Feb 17, 2017

    jQuery and AJAX
  • Achievement

    Programming AJAX

    AJAX Basics (retiring)

    Achieved

    Feb 16, 2017

    Programming AJAX
  • Achievement

    AJAX Concepts

    AJAX Basics (retiring)

    Achieved

    Feb 16, 2017

    AJAX Concepts
  • Achievement

    PHP Returns & Closures

    PHP Functions

    Achieved

    Oct 24, 2016

    PHP Returns & Closures
  • Achievement

    PHP Functions Basics

    PHP Functions

    Achieved

    Oct 19, 2016

    PHP Functions Basics
  • Achievement

    PHP Loops

    PHP Arrays and Control Structures

    Achieved

    Oct 19, 2016

    PHP Loops
  • Achievement

    PHP Arrays

    PHP Arrays and Control Structures

    Achieved

    Oct 13, 2016

    PHP Arrays
  • Achievement

    PHP Conditionals

    PHP Arrays and Control Structures

    Achieved

    Oct 6, 2016

    PHP Conditionals
  • Achievement

    PHP on the Web

    PHP Basics

    Achieved

    Oct 5, 2016

    PHP on the Web
  • Achievement

    Daily Exercise Program

    PHP Basics

    Achieved

    Oct 5, 2016

    Daily Exercise Program
  • Achievement

    Unit Converter

    PHP Basics

    Achieved

    Oct 3, 2016

    Unit Converter
  • Achievement

    Getting to Know PHP

    PHP Basics

    Achieved

    Oct 3, 2016

    Getting to Know PHP
  • Achievement

    PHP Includes

    Build a Basic PHP Website (2018)

    Achieved

    Jan 23, 2016

    PHP Includes
  • Achievement

    JavaScript Numbers

    JavaScript Basics (Retired)

    Achieved

    Jan 15, 2016

    JavaScript Numbers
  • Achievement

    JavaScript Variables

    JavaScript Basics (Retired)

    Achieved

    Jan 10, 2016

    JavaScript Variables
  • Achievement

    Introducing JavaScript

    JavaScript Basics (Retired)

    Achieved

    Jan 10, 2016

    Introducing JavaScript
  • Achievement

    Starting a WordPress Theme

    WordPress Theme Development

    Achieved

    Jun 8, 2015

    Starting a WordPress Theme
  • Achievement

    Positioning Schemes

    CSS Layout Techniques

    Achieved

    Jun 1, 2015

    Positioning Schemes
  • Achievement

    Float Layout

    CSS Layout Techniques

    Achieved

    Jun 1, 2015

    Float Layout
  • Achievement

    Fundamental Concepts

    CSS Basics (2014)

    Achieved

    May 27, 2015

    Fundamental Concepts
  • Achievement

    Designing with the Latest Features

    CSS Basics (2014)

    Achieved

    May 26, 2015

    Designing with the Latest Features
  • Achievement

    Basic Layout

    CSS Basics (2014)

    Achieved

    May 25, 2015

    Basic Layout
  • Achievement

    The Box Model

    CSS Basics (2014)

    Achieved

    May 24, 2015

    The Box Model
  • Achievement

    Understanding Values and Units

    CSS Basics (2014)

    Achieved

    May 24, 2015

    Understanding Values and Units
  • Achievement

    Basic Selectors

    CSS Basics (2014)

    Achieved

    May 21, 2015

    Basic Selectors
  • Achievement

    Getting Started with CSS

    CSS Basics (2014)

    Achieved

    May 21, 2015

    Getting Started with CSS
  • Achievement

    Treehouse Club - CSS

    Treehouse Club: CSS

    Achieved

    May 21, 2015

    Treehouse Club - CSS
  • Achievement

    Display Modes

    CSS Layout Techniques

    Achieved

    Dec 11, 2014

    Display Modes
  • Achievement

    Creating the Menu and Footer

    Build a Simple PHP Application

    Achieved

    Nov 23, 2014

    Creating the Menu and Footer
  • Achievement

    Getting Started with PHP

    Build a Simple PHP Application

    Achieved

    Nov 23, 2014

    Getting Started with PHP
  • Achievement

    PHP Loops

    PHP Basics (Retired)

    Achieved

    Nov 13, 2014

    PHP Loops
  • Achievement

    Control Structures

    Introduction to Programming

    Achieved

    Nov 7, 2014

    Control Structures
  • Achievement

    Basics

    Introduction to Programming

    Achieved

    Nov 7, 2014

    Basics
  • Achievement

    Forms

    HTML

    Achieved

    Nov 7, 2014

    Forms
  • Achievement

    Tables

    HTML

    Achieved

    Nov 7, 2014

    Tables
  • Achievement

    Objects

    HTML

    Achieved

    Nov 7, 2014

    Objects
  • Achievement

    Links

    HTML

    Achieved

    Nov 7, 2014

    Links
  • Achievement

    Lists

    HTML

    Achieved

    Nov 7, 2014

    Lists
  • Achievement

    Text

    HTML

    Achieved

    Nov 7, 2014

    Text
  • Achievement

    Introduction

    HTML

    Achieved

    Nov 7, 2014

    Introduction
  • Achievement

    PHP Conditionals

    PHP Basics (Retired)

    Achieved

    Nov 2, 2014

    PHP Conditionals
  • Achievement

    PHP Datatypes

    PHP Basics (Retired)

    Achieved

    Nov 1, 2014

    PHP Datatypes
  • Achievement

    PHP Data & Structure

    PHP Basics (Retired)

    Achieved

    Nov 1, 2014

    PHP Data & Structure
  • Achievement

    PHP Getting Started

    PHP Basics (Retired)

    Achieved

    Nov 1, 2014

    PHP Getting Started
  • Achievement

    Debugging HTML and CSS Problems

    How to Make a Website

    Achieved

    Nov 1, 2014

    Debugging HTML and CSS Problems
  • Achievement

    Sharing a Website

    How to Make a Website

    Achieved

    Nov 1, 2014

    Sharing a Website
  • Achievement

    Responsive Web Design and Testing

    How to Make a Website

    Achieved

    Nov 1, 2014

    Responsive Web Design and Testing
  • Achievement

    Adding Pages to a Website

    How to Make a Website

    Achieved

    Nov 1, 2014

    Adding Pages to a Website
  • Achievement

    Styling Web Pages and Navigation

    How to Make a Website

    Achieved

    Nov 1, 2014

    Styling Web Pages and Navigation
  • Achievement

    Customizing Colors and Fonts

    How to Make a Website

    Achieved

    Nov 1, 2014

    Customizing Colors and Fonts
  • Achievement

    CSS: Cascading Style Sheets

    How to Make a Website

    Achieved

    Oct 19, 2014

    CSS: Cascading Style Sheets
  • Achievement

    Creating HTML Content

    How to Make a Website

    Achieved

    Oct 19, 2014

    Creating HTML Content
  • Achievement

    HTML First

    How to Make a Website

    Achieved

    Oct 19, 2014

    HTML First
  • Achievement

    Beginning HTML and CSS

    How to Make a Website

    Achieved

    Oct 19, 2014

    Beginning HTML and CSS
  • Achievement

    Newbie

    Achieved

    Oct 19, 2014

    Newbie