John Aitchison

John Aitchison

Bonnyrigg, Midlothian, United Kingdom
Open to Work

5,332

Total Points

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

Skills & Experience

71 Achievements

  • Achievement

    Working with Text

    Reporting with SQL

    Achieved

    Aug 25, 2023

    Working with Text
  • Achievement

    Styling Boxes

    Enhancing Design with CSS

    Achieved

    Sep 26, 2022

    Styling Boxes
  • Achievement

    Styling Text

    Enhancing Design with CSS

    Achieved

    Sep 26, 2022

    Styling Text
  • Achievement

    CSS Media Queries

    CSS Layout

    Achieved

    Sep 26, 2022

    CSS Media Queries
  • Achievement

    CSS Layout Techniques

    CSS Layout

    Achieved

    Aug 30, 2022

    CSS Layout Techniques
  • Achievement

    Box Model Concepts

    CSS Layout

    Achieved

    Aug 26, 2022

    Box Model Concepts
  • Achievement

    The CSS Box Model

    CSS Layout

    Achieved

    Aug 26, 2022

    The CSS Box Model
  • Achievement

    Fundamental Concepts

    CSS Basics

    Achieved

    Aug 23, 2022

    Fundamental Concepts
  • Achievement

    Understanding Values and Units

    CSS Basics

    Achieved

    Aug 23, 2022

    Understanding Values and Units
  • Achievement

    Basic Selectors

    CSS Basics

    Achieved

    Aug 23, 2022

    Basic Selectors
  • Achievement

    Getting Started with CSS

    CSS Basics

    Achieved

    Aug 22, 2022

    Getting Started with CSS
  • Achievement

    Improving Our Code

    Build a Simple Android App with Java

    Achieved

    Apr 6, 2021

    Improving Our Code
  • Achievement

    Basic Android Programming

    Build a Simple Android App with Java

    Achieved

    Mar 28, 2021

    Basic Android Programming
  • Achievement

    Creating the Screen Layout

    Build a Simple Android App with Java

    Achieved

    Mar 27, 2021

    Creating the Screen Layout
  • Achievement

    Getting Started with Android

    Build a Simple Android App with Java

    Achieved

    Mar 16, 2021

    Getting Started with Android
  • Achievement

    Ordering, Limiting and Paging Results

    Reporting with SQL

    Achieved

    Mar 14, 2021

    Ordering, Limiting and Paging Results
  • Achievement

    Updating Data in a Database

    Modifying Data with SQL

    Achieved

    Mar 14, 2021

    Updating Data in a Database
  • Achievement

    Handling Errors When Manipulating Data

    Modifying Data with SQL

    Achieved

    Mar 14, 2021

    Handling Errors When Manipulating Data
  • Achievement

    Deleting Data from a Database

    Modifying Data with SQL

    Achieved

    Mar 14, 2021

    Deleting Data from a Database
  • Achievement

    Adding Data to a Database

    Modifying Data with SQL

    Achieved

    Mar 13, 2021

    Adding Data to a Database
  • Achievement

    Finding the Data You Want

    SQL Basics

    Achieved

    Mar 13, 2021

    Finding the Data You Want
  • Achievement

    Getting Data from a Database

    SQL Basics

    Achieved

    Mar 13, 2021

    Getting Data from a Database
  • Achievement

    Data, Databases and SQL

    SQL Basics

    Achieved

    Mar 13, 2021

    Data, Databases and SQL
  • Achievement

    Writing Copy

    Designing Layouts

    Achieved

    Jan 2, 2021

    Writing Copy
  • Achievement

    How to Make Wireframes in Adobe XD

    Introduction to Wireframing

    Achieved

    Sep 13, 2020

    How to Make Wireframes in Adobe XD
  • Achievement

    How to Make Wireframes in Balsamiq

    Introduction to Wireframing

    Achieved

    Sep 13, 2020

    How to Make Wireframes in Balsamiq
  • Achievement

    How to Make Wireframes on Paper

    Introduction to Wireframing

    Achieved

    Sep 13, 2020

    How to Make Wireframes on Paper
  • Achievement

    What is Wireframing?

    Introduction to Wireframing

    Achieved

    Sep 13, 2020

    What is Wireframing?
  • Achievement

    Principles of Design

    Visual Design Foundations

    Achieved

    Sep 12, 2020

    Principles of Design
  • Achievement

    Elements of Design

    Visual Design Foundations

    Achieved

    Sep 6, 2020

    Elements of Design
  • Achievement

    Working With Strings

    JavaScript Basics

    Achieved

    Jun 11, 2020

    Working With Strings
  • Achievement

    Storing and Tracking Information with Variables

    JavaScript Basics

    Achieved

    Jun 7, 2020

    Storing and Tracking Information with Variables
  • Achievement

    Hello, JavaScript!

    JavaScript Basics

    Achieved

    Jun 6, 2020

    Hello, JavaScript!
  • Achievement

    Fundamental Concepts

    CSS Basics (2014)

    Achieved

    Jun 5, 2020

    Fundamental Concepts
  • Achievement

    Designing with the Latest Features

    CSS Basics (2014)

    Achieved

    Jun 5, 2020

    Designing with the Latest Features
  • Achievement

    Basic Layout

    CSS Basics (2014)

    Achieved

    Jun 5, 2020

    Basic Layout
  • Achievement

    The Box Model

    CSS Basics (2014)

    Achieved

    Jun 5, 2020

    The Box Model
  • Achievement

    Understanding Values and Units

    CSS Basics (2014)

    Achieved

    Jun 5, 2020

    Understanding Values and Units
  • Achievement

    Basic Selectors

    CSS Basics (2014)

    Achieved

    Jun 4, 2020

    Basic Selectors
  • Achievement

    Getting Started with CSS

    CSS Basics (2014)

    Achieved

    Jun 4, 2020

    Getting Started with CSS
  • Achievement

    Structuring Tables

    HTML Tables

    Achieved

    Jun 4, 2020

    Structuring Tables
  • Achievement

    Table Basics

    HTML Tables

    Achieved

    Jun 4, 2020

    Table Basics
  • Achievement

    Adding a New Web Page

    Introduction to HTML and CSS (2016)

    Achieved

    Sep 8, 2019

    Adding a New Web Page
  • Achievement

    Make It Beautiful with CSS

    Introduction to HTML and CSS (2016)

    Achieved

    Sep 8, 2019

    Make It Beautiful with CSS
  • Achievement

    HTML: The Structural Foundation of Web Pages and Applications

    Introduction to HTML and CSS (2016)

    Achieved

    Sep 8, 2019

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

    Getting Familiar with HTML and CSS

    Introduction to HTML and CSS (2016)

    Achieved

    Sep 8, 2019

    Getting Familiar with HTML and CSS
  • Achievement

    Daily Exercise Program

    PHP Basics

    Achieved

    Sep 1, 2019

    Daily Exercise Program
  • Achievement

    Unit Converter

    PHP Basics

    Achieved

    Sep 1, 2019

    Unit Converter
  • Achievement

    Getting to Know PHP

    PHP Basics

    Achieved

    Aug 31, 2019

    Getting to Know PHP
  • Achievement

    Going Further with HTML

    HTML Basics

    Achieved

    Aug 28, 2019

    Going Further with HTML
  • Achievement

    Images, Text and Links

    HTML Basics

    Achieved

    Jul 17, 2019

    Images, Text and Links
  • Achievement

    Structuring Your Content

    HTML Basics

    Achieved

    Jul 17, 2019

    Structuring Your Content
  • Achievement

    Getting Started With HTML

    HTML Basics

    Achieved

    Jul 17, 2019

    Getting Started With HTML
  • Achievement

    Debugging HTML and CSS Problems

    How to Make a Website

    Achieved

    Jul 16, 2019

    Debugging HTML and CSS Problems
  • Achievement

    Sharing a Website

    How to Make a Website

    Achieved

    Jul 16, 2019

    Sharing a Website
  • Achievement

    Responsive Web Design and Testing

    How to Make a Website

    Achieved

    Jul 16, 2019

    Responsive Web Design and Testing
  • Achievement

    Adding Pages to a Website

    How to Make a Website

    Achieved

    Jul 16, 2019

    Adding Pages to a Website
  • Achievement

    Styling Web Pages and Navigation

    How to Make a Website

    Achieved

    Jul 15, 2019

    Styling Web Pages and Navigation
  • Achievement

    Customizing Colors and Fonts

    How to Make a Website

    Achieved

    Jul 13, 2019

    Customizing Colors and Fonts
  • Achievement

    CSS: Cascading Style Sheets

    How to Make a Website

    Achieved

    Jul 13, 2019

    CSS: Cascading Style Sheets
  • Achievement

    Creating HTML Content

    How to Make a Website

    Achieved

    Jul 13, 2019

    Creating HTML Content
  • Achievement

    HTML First

    How to Make a Website

    Achieved

    Jul 13, 2019

    HTML First
  • Achievement

    Beginning HTML and CSS

    How to Make a Website

    Achieved

    Jul 13, 2019

    Beginning HTML and CSS
  • Achievement

    Welcome to the Treehouse Club

    Treehouse Club: HTML

    Achieved

    Jul 7, 2019

    Welcome to the Treehouse Club
  • Achievement

    Creating the MVP

    Java Objects

    Achieved

    Feb 12, 2019

    Creating the MVP
  • Achievement

    Harnessing the Power of Objects

    Java Objects

    Achieved

    Jan 12, 2019

    Harnessing the Power of Objects
  • Achievement

    Meet Objects

    Java Objects

    Achieved

    Jan 1, 2019

    Meet Objects
  • Achievement

    Perfecting the Prototype

    Java Basics

    Achieved

    Dec 31, 2018

    Perfecting the Prototype
  • Achievement

    Using your New Tools

    Java Basics

    Achieved

    Dec 31, 2018

    Using your New Tools
  • Achievement

    Getting Started with Java

    Java Basics

    Achieved

    Dec 31, 2018

    Getting Started with Java
  • Achievement

    Newbie

    Achieved

    Dec 30, 2018

    Newbie