Nikos Papapetrou

Nikos Papapetrou

Member Since June 23, 2019
Open to Work

6,305

Total Points

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Skills & Experience

  • Spoken Languages

    • English
    • Greek

78 Achievements

  • Achievement

    Managing Committed Files

    Introduction to Git

    Achieved

    Feb 21, 2022

    Managing Committed Files
  • Achievement

    First Commits

    Introduction to Git

    Achieved

    Feb 19, 2022

    First Commits
  • Achievement

    Introducing Scrum

    Scrum Basics

    Achieved

    Feb 16, 2022

    Introducing Scrum
  • Achievement

    Database Security

    PHP & Databases with PDO

    Achieved

    Feb 6, 2022

    Database Security
  • Achievement

    What is Agile?

    Scrum Basics

    Achieved

    Feb 4, 2022

    What is Agile?
  • Achievement

    Queries & Results

    PHP & Databases with PDO

    Achieved

    Feb 3, 2022

    Queries & Results
  • Achievement

    PHPDB Stage 2: Querying the Database with PHP

    Integrating PHP with Databases

    Achieved

    Feb 3, 2022

    PHPDB Stage 2: Querying the Database with PHP
  • Achievement

    PHPDB Stage 1: Databases and PHP

    Integrating PHP with Databases

    Achieved

    Feb 3, 2022

    PHPDB Stage 1: Databases and PHP
  • Achievement

    Model View Controller

    Introducing MVC Frameworks in PHP

    Achieved

    Feb 3, 2022

    Model View Controller
  • Achievement

    Getting Started with PDO

    PHP & Databases with PDO

    Achieved

    Feb 3, 2022

    Getting Started with PDO
  • Achievement

    Understanding Values and Units

    CSS Basics (2014)

    Achieved

    Jul 8, 2020

    Understanding Values and Units
  • Achievement

    Going Further with HTML

    HTML Basics

    Achieved

    Jul 8, 2020

    Going Further with HTML
  • Achievement

    Images, Text and Links

    HTML Basics

    Achieved

    Jul 8, 2020

    Images, Text and Links
  • Achievement

    Structuring Your Content

    HTML Basics

    Achieved

    Jul 8, 2020

    Structuring Your Content
  • Achievement

    Getting Started With HTML

    HTML Basics

    Achieved

    Jul 8, 2020

    Getting Started With HTML
  • Achievement

    Introduction to Typography

    Web Typography

    Achieved

    Jul 8, 2020

    Introduction to Typography
  • Achievement

    Positioning Page Content

    CSS Layout Basics

    Achieved

    Jul 5, 2020

    Positioning Page Content
  • Achievement

    Callbacks and the DOM

    Callback Functions in JavaScript

    Achieved

    Jul 1, 2020

    Callbacks and the DOM
  • Achievement

    Callbacks with Timers

    Callback Functions in JavaScript

    Achieved

    Jul 1, 2020

    Callbacks with Timers
  • Achievement

    Introduction to Callback Functions

    Callback Functions in JavaScript

    Achieved

    Jul 1, 2020

    Introduction to Callback Functions
  • Achievement

    The Internet

    How the Internet Works

    Achieved

    Jun 30, 2020

    The Internet
  • Achievement

    WWW

    How the Web Works

    Achieved

    Jun 30, 2020

    WWW
  • Achievement

    Working with Classes in JavaScript

    Object-Oriented JavaScript

    Achieved

    Jun 30, 2020

    Working with Classes in JavaScript
  • Achievement

    Object Basics

    Object-Oriented JavaScript

    Achieved

    Jun 28, 2020

    Object Basics
  • Achievement

    Introduction to Object-Oriented JavaScript

    Object-Oriented JavaScript

    Achieved

    Jun 28, 2020

    Introduction to Object-Oriented JavaScript
  • Achievement

    Responding to User Interaction

    Interacting with the DOM

    Achieved

    Jun 28, 2020

    Responding to User Interaction
  • Achievement

    Data, Databases and SQL

    SQL Basics

    Achieved

    Jun 27, 2020

    Data, Databases and SQL
  • Achievement

    Loop Through Objects

    JavaScript Objects

    Achieved

    Jun 27, 2020

    Loop Through Objects
  • Achievement

    Object Basics

    JavaScript Objects

    Achieved

    Jun 27, 2020

    Object Basics
  • Achievement

    PHP Arrays

    PHP Arrays and Control Structures

    Achieved

    Jun 20, 2020

    PHP Arrays
  • Achievement

    PHP Conditionals

    PHP Arrays and Control Structures

    Achieved

    Jun 20, 2020

    PHP Conditionals
  • Achievement

    PHP on the Web

    PHP Basics

    Achieved

    Jun 18, 2020

    PHP on the Web
  • Achievement

    Daily Exercise Program

    PHP Basics

    Achieved

    Jun 18, 2020

    Daily Exercise Program
  • Achievement

    Unit Converter

    PHP Basics

    Achieved

    Jun 17, 2020

    Unit Converter
  • Achievement

    Getting Started with Sass

    Sass Basics

    Achieved

    Jun 17, 2020

    Getting Started with Sass
  • Achievement

    JavaScript Loops

    JavaScript Loops, Arrays and Objects

    Achieved

    Jun 16, 2020

    JavaScript Loops
  • Achievement

    Arrow Functions

    JavaScript Functions

    Achieved

    Jun 15, 2020

    Arrow Functions
  • Achievement

    Imposter Syndrome

    Imposter Syndrome

    Achieved

    Jun 15, 2020

    Imposter Syndrome
  • Achievement

    Pass Information Into Functions

    JavaScript Functions

    Achieved

    Jun 15, 2020

    Pass Information Into Functions
  • Achievement

    Create Reusable Code with Functions

    JavaScript Functions

    Achieved

    Jun 15, 2020

    Create Reusable Code with Functions
  • Achievement

    Making Changes to the DOM

    JavaScript and the DOM (Retiring)

    Achieved

    Jun 14, 2020

    Making Changes to the DOM
  • Achievement

    Getting a Handle on the DOM

    JavaScript and the DOM (Retiring)

    Achieved

    Jun 14, 2020

    Getting a Handle on the DOM
  • Achievement

    Getting to Know PHP

    PHP Basics

    Achieved

    Jun 13, 2020

    Getting to Know PHP
  • Achievement

    The Browser Environment

    JavaScript and the DOM (Retiring)

    Achieved

    Jun 11, 2020

    The Browser Environment
  • Achievement

    Going Further with Grid Layout

    CSS Grid Layout

    Achieved

    Jun 10, 2020

    Going Further with Grid Layout
  • Achievement

    Introducing Grid Layout

    CSS Grid Layout

    Achieved

    Jun 10, 2020

    Introducing Grid Layout
  • Achievement

    Creating an SVG

    SVG Basics

    Achieved

    Jun 10, 2020

    Creating an SVG
  • Achievement

    Introduction to SVG

    SVG Basics

    Achieved

    Jun 10, 2020

    Introduction to SVG
  • Achievement

    Flexible Sized Grids

    CSS Grid Layout

    Achieved

    Jun 9, 2020

    Flexible Sized Grids
  • Achievement

    Transition Timing Functions and Delays

    CSS Transitions and Transforms

    Achieved

    Jul 25, 2019

    Transition Timing Functions and Delays
  • Achievement

    Getting Started with CSS Transitions

    CSS Transitions and Transforms

    Achieved

    Jul 23, 2019

    Getting Started with CSS Transitions
  • Achievement

    JavaScript Functions

    JavaScript Basics (Retired)

    Achieved

    Jul 22, 2019

    JavaScript Functions
  • Achievement

    Basic Selectors

    CSS Basics (2014)

    Achieved

    Jul 20, 2019

    Basic Selectors
  • Achievement

    Getting Started with CSS

    CSS Basics (2014)

    Achieved

    Jul 20, 2019

    Getting Started with CSS
  • Achievement

    JavaScript Conditional Statements

    JavaScript Basics (Retired)

    Achieved

    Jul 19, 2019

    JavaScript Conditional Statements
  • Achievement

    Advanced Selectors

    CSS Selectors

    Achieved

    Jul 19, 2019

    Advanced Selectors
  • Achievement

    JavaScript Numbers

    JavaScript Basics (Retired)

    Achieved

    Jul 17, 2019

    JavaScript Numbers
  • Achievement

    JavaScript Variables

    JavaScript Basics (Retired)

    Achieved

    Jul 17, 2019

    JavaScript Variables
  • Achievement

    Introducing JavaScript

    JavaScript Basics (Retired)

    Achieved

    Jul 16, 2019

    Introducing JavaScript
  • Achievement

    Form Basics

    HTML Forms

    Achieved

    Jul 14, 2019

    Form Basics
  • Achievement

    Building a Layout with Flexbox

    CSS Flexbox Layout

    Achieved

    Jul 12, 2019

    Building a Layout with Flexbox
  • Achievement

    Going Further with Attribute Selectors and Pseudo-Classes

    CSS Selectors

    Achieved

    Jul 11, 2019

    Going Further with Attribute Selectors and Pseudo-Classes
  • Achievement

    Selectors - Beyond the Basics

    CSS Selectors

    Achieved

    Jul 9, 2019

    Selectors - Beyond the Basics
  • Achievement

    Flexbox Properties

    CSS Flexbox Layout

    Achieved

    Jul 6, 2019

    Flexbox Properties
  • Achievement

    Understanding Flexbox

    CSS Flexbox Layout

    Achieved

    Jul 5, 2019

    Understanding Flexbox
  • Achievement

    Discovery

    Web Design Process

    Achieved

    Jul 5, 2019

    Discovery
  • Achievement

    CSS Layout Project

    CSS Layout Basics

    Achieved

    Jul 2, 2019

    CSS Layout Project
  • Achievement

    Page Layout with the Float Property

    CSS Layout Basics

    Achieved

    Jul 2, 2019

    Page Layout with the Float Property
  • Achievement

    Controlling Layout with CSS Display Modes

    CSS Layout Basics

    Achieved

    Jul 1, 2019

    Controlling Layout with CSS Display Modes
  • Achievement

    Getting Started with CSS Layout

    CSS Layout Basics

    Achieved

    Jun 30, 2019

    Getting Started with CSS Layout
  • Achievement

    The Box Model

    CSS Basics (2014)

    Achieved

    Jun 28, 2019

    The Box Model
  • Achievement

    Fundamental Concepts

    CSS Basics (2014)

    Achieved

    Jun 26, 2019

    Fundamental Concepts
  • Achievement

    Basic Layout

    CSS Basics (2014)

    Achieved

    Jun 24, 2019

    Basic Layout
  • Achievement

    Adding a New Web Page

    Introduction to HTML and CSS (2016)

    Achieved

    Jun 23, 2019

    Adding a New Web Page
  • Achievement

    Make It Beautiful with CSS

    Introduction to HTML and CSS (2016)

    Achieved

    Jun 23, 2019

    Make It Beautiful with CSS
  • Achievement

    HTML: The Structural Foundation of Web Pages and Applications

    Introduction to HTML and CSS (2016)

    Achieved

    Jun 23, 2019

    HTML: The Structural Foundation of Web Pages and Applications
  • Achievement

    Getting Familiar with HTML and CSS

    Introduction to HTML and CSS (2016)

    Achieved

    Jun 23, 2019

    Getting Familiar with HTML and CSS
  • Achievement

    Newbie

    Achieved

    Jun 23, 2019

    Newbie