Alex Koumparos

Alex Koumparos

Treehouse Moderator

Calgary, AB

Skills & Experience

  • Company

    Koumparos Software

  • Job Title

    Principal

  • Spoken Languages

    • English
  • Looking for work

    Yes

326 Achievements

  • Introducing Props
  • Thinking in Components
  • Common Commands
  • Directories and Files
  • The Command Shell
  • First Steps in React
  • Getters and Setters
  • Working with Classes in JavaScript
  • Object Basics
  • Introduction to Object-Oriented JavaScript
  • Security and Customization
  • Make the REST Framework Work for You
  • RESTful Django
  • Detail View
  • List View
  • The Django Admin
  • Customizing Class-based Views
  • Classy Views
  • API Protection
  • Resourceful Blueprints
  • A World Full of Spiders
  • Introducing Data Scraping
  • Getting the REST You Need 2
  • Branches on Git Hosting Services
  • Remote Branches
  • Merging
  • Branches
  • AJAX and APIs
  • jQuery and AJAX
  • Programming AJAX
  • Getting to Know Bootstrap 4
  • Searching Names
  • Sorting Algorithms
  • Merge Sort and Linked Lists
  • The Merge Sort Algorithm
  • Building a Linked List
  • Exploring Arrays
  • Recursion and Space Complexity
  • Algorithms in Code
  • Time Complexity
  • Playing a Counting Game
  • Total Control
  • Basic ORM Usage
  • Same Old ORM
  • AJAX Concepts
  • Working with jQuery Collections (2017)
  • Understanding jQuery Events and DOM Traversal (2017)
  • Introducing jQuery (2017)
  • Improving the Application Code
  • Editing and Filtering Names
  • Adding and Removing Names
  • Traversing the DOM
  • Responding to User Interaction
  • Making Changes to the DOM
  • JavaScript Tools and Workflows
  • JavaScript is Everywhere
  • Users and Authorization
  • Django Authentication
  • Inlines and Media
  • The Lambda Lambada
  • Functional Workhorses
  • Functional Rules
  • Tacocat Challenge
  • How to Win Friends
  • Broadcasting
  • Takin' Names
  • Making Strong Users
  • Getting a Handle on the DOM
  • Build an Application
  • The Browser Environment
  • Create Function Using Arrow Syntax
  • Using Template Literals
  • Defining Variables With let and const
  • JavaScript Objects
  • JavaScript Arrays
  • JavaScript Loops
  • Finishing the Game
  • Introducing JavaScript
  • Final Project: Create a Typographic Site
  • Laying Out Type for the Web
  • Basic Web Typography
  • Creating an SVG
  • Introduction to SVG
  • How to Choose and Use Webfonts
  • Introduction to Typography
  • Choosing Options
  • Organizing Forms
  • Form Basics
  • Exploration
  • Discovery
  • Vulnerabilities: Configuration, Components, and Logging
  • Vulnerabilities: Authentication, Access, and Sensitive Data
  • Vulnerabilities:  Injection, XSS, CSRF
  • The OWASP Top 10 Explained
  • Maintaining Secure Web Apps
  • Protecting Data and Keeping Attackers Out
  • Why Protect Your Web Apps
  • Introduction to Machine Learning
  • Structuring Tables
  • Table Basics
  • GitHub and Other Remote Repositories
  • Managing Committed Files
  • First Commits
  • Describing Data
  • Becoming Acquainted with Your User
  • Becoming a Design Thinker
  • Big Data at Netflix
  • Where and How Big Data Is Used
  • What is Big Data
  • Practicing Data Visualization in Excel
  • Chart Formatting and Layout
  • When To Use What Type of Chart
  • Introduction To Data Visualization
  • The Data Analysis Process
  • Getting to Know Your Data
  • Introducing Data Analysis
  • Build a Spreadsheet
  • Spreadsheet Best Practices
  • Spreadsheet Functions & Formulas
  • Getting Started With Spreadsheets
  • Introducing Spreadsheets
  • Error Checking
  • Conditional Formatting
  • Pivot Tables
  • LOOKUP Functions
  • Getting Started with Data Science
  • Timezones
  • Math Quiz App
  • Dates and Times
  • Security: Solutions
  • Security: Concerns
  • Buggy Logs
  • Cleaner Code
  • Dice Roller
  • Python: Advanced Objects
  • Django Model Forms
  • DNS Basics
  • Graphic Basics
  • Website Basics
  • Day 3: Getting Creative
  • Day 2: Advanced Selecting
  • Day 1: Joining Tables
  • Orientation: Selecting Data
  • Django Models
  • Django Forms
  • Building Custom Filters
  • Building Custom Tags
  • Template Tags and Filters
  • Getting the REST You Need
  • Test Time!
  • Final Details
  • Django Templates
  • Model Administration
  • What a View
  • Tables
  • Objects
  • Links
  • Lists
  • Text
  • Introduction
  • Security in Practice
  • Common Attacks and Defenses
  • Color Theory
  • Character Builder
  • Hello Internet!
  • Flask Templates
  • Welcome to Flask
  • Say Hello to Django
  • GET and POST Requests in a Browser
  • Introduction to HTTP
  • Covering Your Bases
  • Be Assertive!
  • What Is Testing?
  • Gettin' CRUD-y With It
  • Our Diary App
  • Creating a Story
  • Navigating Through An Adventure
  • Using the Delegate Pattern in iOS
  • The Delegate Pattern
  • Get Involved in Open Source
  •  Create a Web Presence on GitHub
  •  Working on a Team
  • Working By Yourself
  • Hello, GitHub!
  • Workflows
  • Working With Remote Repositories
  • Merging
  • Branches
  • Getting Started With Git
  • Installing Programs
  • Environment and Redirection
  • Console Processes
  • Console Users and Permission
  • Moving Around in the Console
  • Displaying Additional Views
  • Using the Vending Machine
  • Loading Data From a Resource
  • Modeling an Interface
  • Principles
  • Elements
  • Why Version Control Matters
  • Running Apps on a Device
  • Improving Our User Interface
  • Structs As Data Models
  • View Controllers and Views
  • Getting Started with iOS Development
  • Page Layout with the Float Property
  • Advanced Selectors
  • Going Further with Attribute Selectors and Pseudo-Classes
  • Selectors - Beyond the Basics
  • Going Further with HTML
  • Images, Text and Links
  • Structuring Your Content
  • Getting Started With HTML
  • Controlling Layout with CSS Display Modes
  • Getting Started with CSS Layout
  • JavaScript Functions
  • JavaScript Conditional Statements
  • JavaScript Numbers
  • JavaScript Variables
  • Introducing JavaScript
  • Error Handling and Memory Management
  • Building Standard Library Functions
  • Closure Expressions
  • First Class Functions
  • Generics and Protocols
  • Generic Types
  • Generic Functions, Parameters and Constraints
  • Writing Great Swift
  • Access Control
  • Memory Management in Swift
  • Extensions and Protocols
  • Value Semantics, Type Methods and Inheritance
  • Object Initialization
  • Properties
  • Fundamental Concepts
  • Designing with the Latest Features
  • Basic Layout
  • The Box Model
  • Understanding Values and Units
  • Basic Selectors
  • Getting Started with CSS
  • Debugging HTML and CSS Problems
  • Sharing a Website
  • Responsive Web Design and Testing
  • Lists, Code, Links and Images
  • Understanding Markdown
  • AWS and "The Cloud"
  • Python: Inheritance
  • Python: Instant Objects
  • Error Handling
  • Creating Flexible Objects Using Protocols
  • Protocol Basics
  • Objects and Optionals
  • Introduction to Optionals
  • Introduction to Enumerations
  • PHP on the Web
  • Daily Exercise Program
  • Unit Converter
  • Getting to Know PHP
  • Adding a New Web Page
  • Make It Beautiful with CSS
  • HTML: The Structural Foundation of Web Pages and Applications
  • Getting Familiar with HTML and CSS
  • Differentiating Between Objects
  • Class Inheritance
  • Classes in Swift
  • Complex Data Structures
  • Adding Power to Functions
  • Functions in Swift
  • Control Flow With Conditional Statements
  • Control Flow With Loops
  • Dictionaries in Swift
  • Introduction to Collections
  • Swift Operators
  • Swift Types
  • An Introduction to Swift Programming
  • Adding Pages to a Website
  • Styling Web Pages and Navigation
  • Customizing Colors and Fonts
  • CSS: Cascading Style Sheets
  • Creating HTML Content
  • HTML First
  • Beginning HTML and CSS
  • Meet Peewee
  • Python Regular Expressions
  • MASH JavaScript
  • MASH CSS
  • MASH HTML
  • Treehouse Club - JavaScript
  • Treehouse Club - CSS
  • Welcome to the Treehouse Club
  • WWW
  • The Internet
  • Computer Languages
  • Computer Basics
  • Dungeon Game 2
  • Python Sets
  • Python Tuples
  • Python Dictionaries
  • Python Slices
  • Python Lists
  • Letter Game App
  • Number Game App
  • Shopping List App
  • Logic in Python
  • Python Data Types
  • Python For Beginners
  • Subqueries
  • Set Operations
  • Joining Table Data with SQL
  • Table Relationships
  • Database Keys
  • Database Normalization
  • Date and Time Functions
  • Aggregate and Numeric Functions
  • Working with Text
  • Ordering, Limiting and Paging Results
  • Handling Errors When Manipulating Data
  • Deleting Data from a Database
  • Updating Data in a Database
  • Adding Data to a Database
  • Finding the Data You Want
  • Getting Data from a Database
  • Data, Databases and SQL
  • Newbie