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Oliver Lees

Oliver Lees

Member Since January 20, 2017

6,509

Total Points

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74 Achievements

  • Achievement

    Working with 'for' Loops

    JavaScript Loops

    Achieved

    Jun 25, 2024

    Working with 'for' Loops
  • Achievement

    Simplify Repetitive Tasks with Loops

    JavaScript Loops

    Achieved

    Jun 25, 2024

    Simplify Repetitive Tasks with Loops
  • Achievement

    Arrow Functions

    JavaScript Functions

    Achieved

    Jun 25, 2024

    Arrow Functions
  • Achievement

    The Browser Environment

    JavaScript and the DOM

    Achieved

    Jan 30, 2024

    The Browser Environment
  • Achievement

    Loop Through Objects

    JavaScript Objects

    Achieved

    Jan 30, 2024

    Loop Through Objects
  • Achievement

    Object Basics

    JavaScript Objects

    Achieved

    Jan 30, 2024

    Object Basics
  • Achievement

    Store Multiple Values in an Array

    JavaScript Arrays

    Achieved

    Nov 3, 2023

    Store Multiple Values in an Array
  • Achievement

    Pass Information Into Functions

    JavaScript Functions

    Achieved

    Sep 20, 2023

    Pass Information Into Functions
  • Achievement

    Create Reusable Code with Functions

    JavaScript Functions

    Achieved

    Sep 7, 2023

    Create Reusable Code with Functions
  • Achievement

    The Math Object

    JavaScript Numbers

    Achieved

    Aug 20, 2023

    The Math Object
  • Achievement

    Working with Numbers

    JavaScript Numbers

    Achieved

    Aug 19, 2023

    Working with Numbers
  • Achievement

    Making Decisions in Your Code with Conditional Statements

    JavaScript Basics

    Achieved

    Aug 19, 2023

    Making Decisions in Your Code with Conditional Statements
  • Achievement

    Working With Strings

    JavaScript Basics

    Achieved

    Jul 19, 2023

    Working With Strings
  • Achievement

    Storing and Tracking Information with Variables

    JavaScript Basics

    Achieved

    Jul 15, 2023

    Storing and Tracking Information with Variables
  • Achievement

    Flask Templates

    Flask Basics

    Achieved

    Jul 28, 2020

    Flask Templates
  • Achievement

    Welcome to Flask

    Flask Basics

    Achieved

    Jul 25, 2020

    Welcome to Flask
  • Achievement

    GET and POST Requests in a Browser

    HTTP Basics

    Achieved

    Jul 21, 2020

    GET and POST Requests in a Browser
  • Achievement

    Gettin' CRUD-y With It

    Using Databases in Python

    Achieved

    Jul 21, 2020

    Gettin' CRUD-y With It
  • Achievement

    Our Diary App

    Using Databases in Python

    Achieved

    Jul 6, 2020

    Our Diary App
  • Achievement

    Meet Peewee

    Using Databases in Python

    Achieved

    Jul 6, 2020

    Meet Peewee
  • Achievement

    Introduction to HTTP

    HTTP Basics

    Achieved

    Jul 4, 2020

    Introduction to HTTP
  • Achievement

    Getting a Handle on the DOM

    JavaScript and the DOM (Retiring)

    Achieved

    Jun 28, 2020

    Getting a Handle on the DOM
  • Achievement

    The Browser Environment

    JavaScript and the DOM (Retiring)

    Achieved

    Apr 20, 2020

    The Browser Environment
  • Achievement

    JavaScript Objects and Conditionals

    JavaScript Quickstart

    Achieved

    Apr 19, 2020

    JavaScript Objects and Conditionals
  • Achievement

    JavaScript Arrays

    JavaScript Loops, Arrays and Objects

    Achieved

    Mar 29, 2020

    JavaScript Arrays
  • Achievement

    Hello, JavaScript!

    JavaScript Basics

    Achieved

    Mar 23, 2020

    Hello, JavaScript!
  • Achievement

    JavaScript Arrays and Loops

    JavaScript Quickstart

    Achieved

    Mar 20, 2020

    JavaScript Arrays and Loops
  • Achievement

    JavaScript Tools and Workflows

    The Landscape of JavaScript

    Achieved

    Mar 20, 2020

    JavaScript Tools and Workflows
  • Achievement

    JavaScript is Everywhere

    The Landscape of JavaScript

    Achieved

    Mar 20, 2020

    JavaScript is Everywhere
  • Achievement

    JavaScript Functions

    JavaScript Quickstart

    Achieved

    Sep 30, 2019

    JavaScript Functions
  • Achievement

    Python Dictionaries

    Python Collections (2016, retired 2019)

    Achieved

    Aug 30, 2019

    Python Dictionaries
  • Achievement

    Python Slices

    Python Collections (2016, retired 2019)

    Achieved

    Aug 30, 2019

    Python Slices
  • Achievement

    Python Lists

    Python Collections (2016, retired 2019)

    Achieved

    Aug 29, 2019

    Python Lists
  • Achievement

    Build an Application

    Introducing Lists

    Achieved

    Aug 29, 2019

    Build an Application
  • Achievement

    Using Lists

    Introducing Lists

    Achieved

    Aug 29, 2019

    Using Lists
  • Achievement

    Meet Lists

    Introducing Lists

    Achieved

    Aug 28, 2019

    Meet Lists
  • Achievement

    Data Types and Variables

    JavaScript Quickstart

    Achieved

    Aug 19, 2019

    Data Types and Variables
  • Achievement

    Getting to Know Tuples

    Introducing Tuples

    Achieved

    Aug 19, 2019

    Getting to Know Tuples
  • Achievement

    Packing and Unpacking

    Functions, Packing, and Unpacking

    Achieved

    Aug 19, 2019

    Packing and Unpacking
  • Achievement

    Getting Info In and Out of Functions

    Functions, Packing, and Unpacking

    Achieved

    Aug 19, 2019

    Getting Info In and Out of Functions
  • Achievement

    Introduction to Functions

    Functions, Packing, and Unpacking

    Achieved

    Aug 19, 2019

    Introduction to Functions
  • Achievement

    Sequence Operations

    Python Sequences

    Achieved

    Aug 19, 2019

    Sequence Operations
  • Achievement

    Sequence Iterations

    Python Sequences

    Achieved

    Aug 16, 2019

    Sequence Iterations
  • Achievement

    Iterating and Packing with Dictionaries

    Introducing Dictionaries

    Achieved

    Aug 13, 2019

    Iterating and Packing with Dictionaries
  • Achievement

    Introducing Dictionaries

    Introducing Dictionaries

    Achieved

    Aug 13, 2019

    Introducing Dictionaries
  • Achievement

    All Together Now

    Python Basics

    Achieved

    Aug 12, 2019

    All Together Now
  • Achievement

    Functions and Looping

    Python Basics

    Achieved

    Aug 12, 2019

    Functions and Looping
  • Achievement

    Types and Branching

    Python Basics

    Achieved

    Aug 12, 2019

    Types and Branching
  • Achievement

    Meet Python

    Python Basics

    Achieved

    Aug 11, 2019

    Meet Python
  • Achievement

    Adding a New Web Page

    Introduction to HTML and CSS (2016)

    Achieved

    Aug 8, 2019

    Adding a New Web Page
  • Achievement

    Make It Beautiful with CSS

    Introduction to HTML and CSS (2016)

    Achieved

    Aug 8, 2019

    Make It Beautiful with CSS
  • Achievement

    HTML: The Structural Foundation of Web Pages and Applications

    Introduction to HTML and CSS (2016)

    Achieved

    Aug 3, 2019

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

    Getting Familiar with HTML and CSS

    Introduction to HTML and CSS (2016)

    Achieved

    Aug 3, 2019

    Getting Familiar with HTML and CSS
  • Achievement

    Table Relationships

    Querying Relational Databases

    Achieved

    Mar 12, 2018

    Table Relationships
  • Achievement

    Database Keys

    Querying Relational Databases

    Achieved

    Mar 12, 2018

    Database Keys
  • Achievement

    Database Normalization

    Querying Relational Databases

    Achieved

    Mar 6, 2018

    Database Normalization
  • Achievement

    Date and Time Functions

    Reporting with SQL

    Achieved

    Mar 5, 2018

    Date and Time Functions
  • Achievement

    Letter Game App

    Python Basics (2015)

    Achieved

    Mar 5, 2018

    Letter Game App
  • Achievement

    Aggregate and Numeric Functions

    Reporting with SQL

    Achieved

    Mar 3, 2018

    Aggregate and Numeric Functions
  • Achievement

    Working with Text

    Reporting with SQL

    Achieved

    Mar 1, 2018

    Working with Text
  • Achievement

    Ordering, Limiting and Paging Results

    Reporting with SQL

    Achieved

    Feb 27, 2018

    Ordering, Limiting and Paging Results
  • Achievement

    Handling Errors When Manipulating Data

    Modifying Data with SQL

    Achieved

    Feb 23, 2018

    Handling Errors When Manipulating Data
  • Achievement

    Deleting Data from a Database

    Modifying Data with SQL

    Achieved

    Feb 23, 2018

    Deleting Data from a Database
  • Achievement

    Updating Data in a Database

    Modifying Data with SQL

    Achieved

    Feb 23, 2018

    Updating Data in a Database
  • Achievement

    Adding Data to a Database

    Modifying Data with SQL

    Achieved

    Feb 23, 2018

    Adding Data to a Database
  • Achievement

    Finding the Data You Want

    SQL Basics

    Achieved

    Feb 23, 2018

    Finding the Data You Want
  • Achievement

    Getting Data from a Database

    SQL Basics

    Achieved

    Feb 23, 2018

    Getting Data from a Database
  • Achievement

    Data, Databases and SQL

    SQL Basics

    Achieved

    Feb 22, 2018

    Data, Databases and SQL
  • Achievement

    Number Game App

    Python Basics (2015)

    Achieved

    Feb 10, 2017

    Number Game App
  • Achievement

    Shopping List App

    Python Basics (2015)

    Achieved

    Feb 10, 2017

    Shopping List App
  • Achievement

    Logic in Python

    Python Basics (2015)

    Achieved

    Feb 10, 2017

    Logic in Python
  • Achievement

    Python Data Types

    Python Basics (2015)

    Achieved

    Jan 23, 2017

    Python Data Types
  • Achievement

    Python For Beginners

    Python Basics (2015)

    Achieved

    Jan 20, 2017

    Python For Beginners
  • Achievement

    Newbie

    Achieved

    Jan 20, 2017

    Newbie