Nick Xirotyris

Nick Xirotyris

Athens, Greece

8,621

Total Points

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96 Achievements

  • Achievement

    HTTP Methods and Headers

    Build a Simple Dynamic Site with Node.js

    Achieved

    May 24, 2016

    HTTP Methods and Headers
  • Achievement

    Handling Routes in Node.js

    Build a Simple Dynamic Site with Node.js

    Achieved

    May 12, 2016

    Handling Routes in Node.js
  • Achievement

    Creating a Simple Server in Node.js

    Build a Simple Dynamic Site with Node.js

    Achieved

    May 11, 2016

    Creating a Simple Server in Node.js
  • Achievement

    Building a Command Line Application

    Node.js Basics (2014)

    Achieved

    May 10, 2016

    Building a Command Line Application
  • Achievement

    Introduction to Node.js

    Node.js Basics (2014)

    Achieved

    May 9, 2016

    Introduction to Node.js
  • Achievement

    Getting the REST You Need

    REST API Basics

    Achieved

    Mar 21, 2016

    Getting the REST You Need
  • Achievement

    Validation

    ActiveRecord Basics

    Achieved

    Mar 10, 2016

    Validation
  • Achievement

    Migrations and Relationships

    ActiveRecord Basics

    Achieved

    Mar 9, 2016

    Migrations and Relationships
  • Achievement

    Introduction to ActiveRecord

    ActiveRecord Basics

    Achieved

    Mar 9, 2016

    Introduction to ActiveRecord
  • Achievement

    Delegation in iOS

    Delegates in Swift 2

    Achieved

    Mar 9, 2016

    Delegation in iOS
  • Achievement

    Introduction to Delegates

    Delegates in Swift 2

    Achieved

    Mar 9, 2016

    Introduction to Delegates
  • Achievement

    Securing and Maintaining a MySQL Database

    Database Foundations

    Achieved

    Mar 8, 2016

    Securing and Maintaining a MySQL Database
  • Achievement

    SQL Calculating, Aggregating and Other Functions

    Database Foundations

    Achieved

    Mar 8, 2016

    SQL Calculating, Aggregating and Other Functions
  • Achievement

    Joining Relational Data Between Tables in SQL

    Database Foundations

    Achieved

    Mar 7, 2016

    Joining Relational Data Between Tables in SQL
  • Achievement

    Manipulating Schema with SQL

    Database Foundations

    Achieved

    Mar 7, 2016

    Manipulating Schema with SQL
  • Achievement

    Creating Tables and Manipulating Data with SQL

    Database Foundations

    Achieved

    Mar 7, 2016

    Creating Tables and Manipulating Data with SQL
  • Achievement

    Reading Data from Databases with SQL

    Database Foundations

    Achieved

    Mar 7, 2016

    Reading Data from Databases with SQL
  • Achievement

    Installing MySQL Server and MySQL Workbench

    Database Foundations

    Achieved

    Mar 7, 2016

    Installing MySQL Server and MySQL Workbench
  • Achievement

    Introduction to Data, Databases and SQL

    Database Foundations

    Achieved

    Mar 7, 2016

    Introduction to Data, Databases and SQL
  • Achievement

    Build a Todo List Application with Rails 4

    Build a Todo List Application with Rails 4

    Achieved

    Mar 7, 2016

    Build a Todo List Application with Rails 4
  • Achievement

    Why Version Control Matters

    Git Basics

    Achieved

    Mar 7, 2016

    Why Version Control Matters
  • Achievement

    Installing Programs

    Console Foundations

    Achieved

    Mar 7, 2016

    Installing Programs
  • Achievement

    Environment and Redirection

    Console Foundations

    Achieved

    Mar 7, 2016

    Environment and Redirection
  • Achievement

    Console Processes

    Console Foundations

    Achieved

    Mar 7, 2016

    Console Processes
  • Achievement

    Console Users and Permission

    Console Foundations

    Achieved

    Mar 7, 2016

    Console Users and Permission
  • Achievement

    Moving Around in the Console

    Console Foundations

    Achieved

    Mar 7, 2016

    Moving Around in the Console
  • Achievement

    Ruby Objects and Classes

    Ruby Objects and Classes

    Achieved

    Dec 21, 2015

    Ruby Objects and Classes
  • Achievement

    Build a Grocery List Program

    Ruby Collections

    Achieved

    Dec 17, 2015

    Build a Grocery List Program
  • Achievement

    Ruby Hashes

    Ruby Collections

    Achieved

    Dec 17, 2015

    Ruby Hashes
  • Achievement

    Ruby Arrays

    Ruby Collections

    Achieved

    Dec 7, 2015

    Ruby Arrays
  • Achievement

    Ruby Control Structures

    Ruby Operators and Control Structures

    Achieved

    Dec 6, 2015

    Ruby Control Structures
  • Achievement

    Ruby Logical Operators

    Ruby Operators and Control Structures

    Achieved

    Dec 6, 2015

    Ruby Logical Operators
  • Achievement

    Ruby Operators

    Ruby Operators and Control Structures

    Achieved

    Dec 6, 2015

    Ruby Operators
  • Achievement

    Installing a Ruby Development Environment

    Installing a Ruby Development Environment

    Achieved

    Dec 6, 2015

    Installing a Ruby Development Environment
  • Achievement

    Ruby Methods

    Ruby Basics (Retired)

    Achieved

    Dec 6, 2015

    Ruby Methods
  • Achievement

    Ruby Numbers (Ruby Basics)

    Ruby Basics (Retired)

    Achieved

    Dec 5, 2015

    Ruby Numbers (Ruby Basics)
  • Achievement

    Ruby Strings (Ruby Basics)

    Ruby Basics (Retired)

    Achieved

    Dec 5, 2015

    Ruby Strings (Ruby Basics)
  • Achievement

    How Ruby Works

    Ruby Basics (Retired)

    Achieved

    Dec 5, 2015

    How Ruby Works
  • Achievement

    Getting Started with Android

    Build a Simple Android App (2014)

    Achieved

    Dec 3, 2015

    Getting Started with Android
  • Achievement

    Creating Flexible Objects with Protocols

    Swift Protocols

    Achieved

    Aug 7, 2015

    Creating Flexible Objects with Protocols
  • Achievement

    Protocols

    Swift Protocols

    Achieved

    Aug 7, 2015

    Protocols
  • Achievement

    Closures in iOS

    Swift Closures

    Achieved

    Jul 30, 2015

    Closures in iOS
  • Achievement

    Closures and Closure Expressions

    Swift Closures

    Achieved

    Jul 19, 2015

    Closures and Closure Expressions
  • Achievement

    Functions as First Class Citizens

    Swift Closures

    Achieved

    Jul 19, 2015

    Functions as First Class Citizens
  • Achievement

    WordPress User Roles

    WordPress User Roles

    Achieved

    Mar 24, 2015

    WordPress User Roles
  • Achievement

    The WordPress Codex

    The WordPress Codex

    Achieved

    Mar 23, 2015

    The WordPress Codex
  • Achievement

    Owning a WordPress Site Long Term

    WordPress for Website Owners

    Achieved

    Mar 22, 2015

    Owning a WordPress Site Long Term
  • Achievement

    WordPress Community Management

    WordPress for Website Owners

    Achieved

    Mar 22, 2015

    WordPress Community Management
  • Achievement

    Working with Media in WordPress

    WordPress for Website Owners

    Achieved

    Mar 22, 2015

    Working with Media in WordPress
  • Achievement

    Adding and Editing Content

    WordPress for Website Owners

    Achieved

    Mar 22, 2015

    Adding and Editing Content
  • Achievement

    Getting a WordPress Site

    WordPress for Website Owners

    Achieved

    Mar 22, 2015

    Getting a WordPress Site
  • Achievement

    Getting Started with WordPress

    Getting Started with WordPress

    Achieved

    Mar 21, 2015

    Getting Started with WordPress
  • Achievement

    Capturing Photo and Video Using UIImagePickerController

    Build a Self-Destructing Message iPhone App

    Achieved

    Feb 5, 2015

    Capturing Photo and Video Using UIImagePickerController
  • Achievement

    Relating Users in Parse.com

    Build a Self-Destructing Message iPhone App

    Achieved

    Feb 4, 2015

    Relating Users in Parse.com
  • Achievement

    Using Parse.com as a Backend and Adding Users

    Build a Self-Destructing Message iPhone App

    Achieved

    Feb 3, 2015

    Using Parse.com as a Backend and Adding Users
  • Achievement

    Designing and Starting the App

    Build a Self-Destructing Message iPhone App

    Achieved

    Feb 3, 2015

    Designing and Starting the App
  • Achievement

    Cocoapods

    iOS Tools

    Achieved

    Feb 3, 2015

    Cocoapods
  • Achievement

    Viewing a Web Page

    Build a Blog Reader iPhone App

    Achieved

    Jan 31, 2015

    Viewing a Web Page
  • Achievement

    Adapting Data for Display

    Build a Blog Reader iPhone App

    Achieved

    Jan 30, 2015

    Adapting Data for Display
  • Achievement

    Data Modeling

    Build a Blog Reader iPhone App

    Achieved

    Jan 29, 2015

    Data Modeling
  • Achievement

    Getting Data from the Web

    Build a Blog Reader iPhone App

    Achieved

    Jan 29, 2015

    Getting Data from the Web
  • Achievement

    Rebuilding from Scratch

    Build a Blog Reader iPhone App

    Achieved

    Jan 29, 2015

    Rebuilding from Scratch
  • Achievement

    Exploring the Master-Detail Template

    Build a Blog Reader iPhone App

    Achieved

    Jan 29, 2015

    Exploring the Master-Detail Template
  • Achievement

    Working With Multiple View Controllers (ObjC)

    Build a Playlist Browser with Objective-C

    Achieved

    Jan 29, 2015

    Working With Multiple View Controllers (ObjC)
  • Achievement

    Refactoring Our Code (Swift)

    Build a Playlist Browser with Swift

    Achieved

    Jan 22, 2015

    Refactoring Our Code (Swift)
  • Achievement

    Building the Master and Detail Views (Swift)

    Build a Playlist Browser with Swift

    Achieved

    Jan 21, 2015

    Building the Master and Detail Views (Swift)
  • Achievement

    Building a Music Library and Playlists (Swift)

    Build a Playlist Browser with Swift

    Achieved

    Jan 21, 2015

    Building a Music Library and Playlists (Swift)
  • Achievement

    Using a Navigation Controller With Segues (Swift)

    Build a Playlist Browser with Swift

    Achieved

    Jan 21, 2015

    Using a Navigation Controller With Segues (Swift)
  • Achievement

    Working With Multiple View Controllers (Swift)

    Build a Playlist Browser with Swift

    Achieved

    Jan 21, 2015

    Working With Multiple View Controllers (Swift)
  • Achievement

    Swift Value vs Reference Types

    Object-Oriented Swift

    Achieved

    Jan 12, 2015

    Swift Value vs Reference Types
  • Achievement

    Swift Properties

    Object-Oriented Swift

    Achieved

    Jan 12, 2015

    Swift Properties
  • Achievement

    Swift Inheritance

    Object-Oriented Swift

    Achieved

    Jan 12, 2015

    Swift Inheritance
  • Achievement

    Swift Classes and Objects

    Object-Oriented Swift

    Achieved

    Jan 12, 2015

    Swift Classes and Objects
  • Achievement

    Swift Structs and their Methods

    Swift Enums and Structs

    Achieved

    Jan 9, 2015

    Swift Structs and their Methods
  • Achievement

    Swift Structs

    Swift Enums and Structs

    Achieved

    Jan 9, 2015

    Swift Structs
  • Achievement

    Swift Enums and their Methods

    Swift Enums and Structs

    Achieved

    Jan 9, 2015

    Swift Enums and their Methods
  • Achievement

    Swift Enums

    Swift Enums and Structs

    Achieved

    Jan 9, 2015

    Swift Enums
  • Achievement

    Displaying Our Weather Data

    Build a Weather App with Swift (Retired)

    Achieved

    Oct 13, 2014

    Displaying Our Weather Data
  • Achievement

    Data Modeling With Structures

    Build a Weather App with Swift (Retired)

    Achieved

    Oct 6, 2014

    Data Modeling With Structures
  • Achievement

    Concurrency

    Build a Weather App with Swift (Retired)

    Achieved

    Oct 2, 2014

    Concurrency
  • Achievement

    Pulling Data From the Web

    Build a Weather App with Swift (Retired)

    Achieved

    Oct 1, 2014

    Pulling Data From the Web
  • Achievement

    Deploying to a Device

    Build a Simple iPhone App with Swift

    Achieved

    Sep 30, 2014

    Deploying to a Device
  • Achievement

    Debugging Our App

    Build a Simple iPhone App with Swift

    Achieved

    Sep 30, 2014

    Debugging Our App
  • Achievement

    Improving Our User Interface

    Build a Simple iPhone App with Swift

    Achieved

    Sep 30, 2014

    Improving Our User Interface
  • Achievement

    Using a Data Model

    Build a Simple iPhone App with Swift

    Achieved

    Sep 30, 2014

    Using a Data Model
  • Achievement

    Views and View Controllers

    Build a Simple iPhone App with Swift

    Achieved

    Sep 29, 2014

    Views and View Controllers
  • Achievement

    Getting Started with Xcode

    Build a Simple iPhone App with Swift

    Achieved

    Sep 29, 2014

    Getting Started with Xcode
  • Achievement

    Swift Optionals

    Swift Functions and Optionals

    Achieved

    Sep 22, 2014

    Swift Optionals
  • Achievement

    Swift Parameters and Tuples

    Swift Functions and Optionals

    Achieved

    Sep 22, 2014

    Swift Parameters and Tuples
  • Achievement

    Swift Functions

    Swift Functions and Optionals

    Achieved

    Sep 22, 2014

    Swift Functions
  • Achievement

    Control Flow

    Swift Basics (retired)

    Achieved

    Sep 22, 2014

    Control Flow
  • Achievement

    Collections

    Swift Basics (retired)

    Achieved

    Sep 18, 2014

    Collections
  • Achievement

    Operators

    Swift Basics (retired)

    Achieved

    Sep 18, 2014

    Operators
  • Achievement

    Types

    Swift Basics (retired)

    Achieved

    Sep 18, 2014

    Types
  • Achievement

    Variables and Constants

    Swift Basics (retired)

    Achieved

    Sep 18, 2014

    Variables and Constants
  • Achievement

    Newbie

    Achieved

    Apr 11, 2014

    Newbie