Mark Wilkowske

Mark Wilkowske

Treehouse Moderator

Member Since September 13, 2013

Skills & Experience

  • Company

    The Occasions Group

212 Achievements

  • Vulnerabilities: Configuration, Components, and Logging
  • Vulnerabilities: Authentication, Access, and Sensitive Data
  • Security in Practice
  • Common Attacks and Defenses
  • Hello Internet!
  • Vulnerabilities:  Injection, XSS, CSRF
  • The OWASP Top 10 Explained
  • Security: Solutions
  • Security: Concerns
  • Maintaining Secure Web Apps
  • Protecting Data and Keeping Attackers Out
  • Why Protect Your Web Apps
  • Understanding Flexbox
  • Building Out WordPress Navigation
  • Building Page Templates in WordPress
  • The WordPress Loop
  • WordPress Header and Footer Templates
  • Working with CSS and JS in WordPress Themes
  • Starting a WordPress Theme
  • A Template Hierarchy Review
  • Media Templates in WordPress
  • Custom Post Type Templates
  • Archive Templates in WordPress
  • Page and Post Templates in WordPress
  • Homepage Templates in WordPress
  • Core WordPress Theme Files
  • How WordPress Templates Work
  • WordPress Plugins
  • WordPress Themes
  • The WordPress Customizer
  • Managing Media in WordPress
  • Managing Content in WordPress
  • More Advanced PHP for WordPress
  • PHP Basics for WordPress
  • Introduction to PHP for WordPress
  • First Commits
  • Practicing Classes
  • Working with Classes in JavaScript
  • Object Basics
  • Introduction to Object-Oriented JavaScript
  • UX Content Attributes
  • UX Content Basics
  • Create Function Using Arrow Syntax
  • Using Template Literals
  • Defining Variables With let and const
  • Responsive Layouts With the Bootstrap Grid
  • Getting to Know Bootstrap 4
  • How to Make Wireframes on Paper
  • What is Wireframing?
  • Views
  • Controllers
  • Project Setup
  • GET and POST Requests in a Browser
  • The Internet
  • Traversing the DOM
  • Responding to User Interaction
  • Making Changes to the DOM
  • What's New in Foundation 5
  • Build a Website With Foundation
  • Prototyping With Foundation
  • Getting a Handle on the DOM
  • The Browser Environment
  • Methods
  • Object-Oriented Programming
  • Using Bootstrap Components
  • Responsive Layouts with the Bootstrap Grid
  • Perfect
  • Getting to Know Bootstrap 4
  • Building Forms with Bootstrap
  • An Overview of Menus in WordPress
  • WordPress Admin Settings
  • Workflows
  • Working With Remote Repositories
  • Merging
  • Branches
  • Getting Started With Git
  • Introduction to HTTP
  • Creating an SVG
  • Introduction to SVG
  • Save for the Web
  • Adding Images and a Mockup
  • Logo Design
  • Creating a Wireframe
  • Introducing Adobe Illustrator
  • Perform
  • Console I/O
  • Prepare and Plan
  • Understanding Flexbox and Multi-Column Layout
  • Art Direction with the Picture Element
  • Image Delivery with Srcset and Sizes
  • Advanced Selectors
  • Going Further with Attribute Selectors and Pseudo-Classes
  • Selectors - Beyond the Basics
  • Build a Website With Bootstrap
  • Prototyping With Bootstrap
  • Introduction to Front-End Frameworks
  • Why Version Control Matters
  • Installing Programs
  • Environment and Redirection
  • Console Processes
  • Console Users and Permission
  • Moving Around in the Console
  • Web Apps
  • Websites
  • Introduction
  • AJAX and APIs
  • jQuery and AJAX
  • Programming AJAX
  • AJAX Concepts
  • Custom Media Players
  • Captioning Video
  • Media Basics
  • Responsive Patterns
  • Media Queries
  • Responsive Theory
  • Traversing and Manipulating the DOM with JavaScript
  • Selecting Elements and Adding Events with JavaScript
  • JavaScript and the DOM
  • Structuring Tables
  • Table Basics
  • Chrome DevTools Basics
  • Choosing Options
  • Organizing Forms
  • Form Basics
  • Fundamental Concepts
  • Designing with the Latest Features
  • Basic Layout
  • The Box Model
  • Understanding Values and Units
  • Basic Selectors
  • Getting Started with CSS
  • Sharing a Website
  • Adding Pages to a Website
  • Styling Web Pages and Navigation
  • Customizing Colors and Fonts
  • Meet Objects
  • DNS Basics
  • Combine and Minify Assets
  • Optimize Assets
  • Measuring Performance
  • Planning for Performance
  • Soft Skills - Psychology
  • Presentation Skills
  • CSS: Cascading Style Sheets
  • Creating HTML Content
  • JavaScript Functions
  • JavaScript Conditional Statements
  • JavaScript Numbers
  • JavaScript Variables
  • Introducing JavaScript
  • HTML First
  • Beginning HTML and CSS
  • JavaScript Objects
  • JavaScript Arrays
  • JavaScript Loops
  • Graphic Basics
  • Advanced Sass Concepts
  • Building a WordPress.com Site
  • Local WordPress Development
  • Owning a WordPress Site Long Term
  • WordPress Community Management
  • Working with Media in WordPress
  • Adding and Editing Content
  • Getting a WordPress Site
  • Getting Started with WordPress.com
  • Getting Started with WordPress
  • Going Mobile
  • Designing Email with CSS
  • Coding HTML Email
  • HTML Email Basics
  • Improving Usability
  • Mobile Usability
  • Website Usability
  • What is Usability?
  • Getting Started with Ember.js
  • Perfecting the Prototype
  • Using your New Tools
  • Getting Started with Java
  • Creating a Simple Drawing Application
  • Creating a Password Confirmation Form
  • Creating a Mobile Drop Down Menu
  • Creating a Simple Lightbox
  • Creating a Spoiler Revealer
  • Introduction to jQuery
  • JavaScript Objects
  • JavaScript Functions
  • JavaScript Arrays
  • JavaScript Numbers
  • JavaScript Strings
  • Introduction Variables
  • Functions
  • Objects and Arrays
  • Control Structures
  • Basics
  • Workspace Basics
  • Grid Layout
  • Flexbox Layout
  • Positioning Schemes
  • Display Modes
  • Float Layout
  • Responsive Web Design and Testing
  • Debugging HTML and CSS Problems
  • Speeding up Workflow With Sass
  • Important Skills For Professional Success
  • Variables, Mixins, and Extending Selectors
  • Getting Started with Sass
  • Advanced Techniques
  • Responsive Design
  • Adaptive Design
  • Fluid Foundation
  • Introduction to Responsive Web Design
  • Newbie