Libor Gess

Libor Gess

Member Since August 5, 2018

6,880

Total Points

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81 Achievements

  • Achievement

    Filtering Inputs and Escaping Outputs in PHP

    Working with $_GET and $_POST in PHP

    Achieved

    Nov 12, 2023

    Filtering Inputs and Escaping Outputs in PHP
  • Achievement

    $_GET and $_POST

    Working with $_GET and $_POST in PHP

    Achieved

    Nov 12, 2023

    $_GET and $_POST
  • Achievement

    Understanding Classes

    Object-Oriented PHP Basics

    Achieved

    Nov 11, 2023

    Understanding Classes
  • Achievement

    Why Object-Oriented Programming?

    Object-Oriented PHP Basics

    Achieved

    Nov 11, 2023

    Why Object-Oriented Programming?
  • Achievement

    Working with Numbers

    JavaScript Numbers

    Achieved

    Nov 9, 2023

    Working with Numbers
  • Achievement

    Going Further with HTML

    HTML Basics

    Achieved

    Nov 24, 2020

    Going Further with HTML
  • Achievement

    Pass Information Into Functions

    JavaScript Functions

    Achieved

    Nov 23, 2020

    Pass Information Into Functions
  • Achievement

    Create Reusable Code with Functions

    JavaScript Functions

    Achieved

    Nov 22, 2020

    Create Reusable Code with Functions
  • Achievement

    Working with 'for' Loops

    JavaScript Loops

    Achieved

    Nov 22, 2020

    Working with 'for' Loops
  • Achievement

    Simplify Repetitive Tasks with Loops

    JavaScript Loops

    Achieved

    Nov 20, 2020

    Simplify Repetitive Tasks with Loops
  • Achievement

    Making Decisions in Your Code with Conditional Statements

    JavaScript Basics

    Achieved

    Nov 15, 2020

    Making Decisions in Your Code with Conditional Statements
  • Achievement

    Page Layout with the Float Property

    CSS Layout Basics

    Achieved

    Apr 6, 2020

    Page Layout with the Float Property
  • Achievement

    Controlling Layout with CSS Display Modes

    CSS Layout Basics

    Achieved

    Apr 6, 2020

    Controlling Layout with CSS Display Modes
  • Achievement

    Getting Started with CSS Layout

    CSS Layout Basics

    Achieved

    Mar 31, 2020

    Getting Started with CSS Layout
  • Achievement

    Fundamental Concepts

    CSS Basics (2014)

    Achieved

    Mar 30, 2020

    Fundamental Concepts
  • Achievement

    Designing with the Latest Features

    CSS Basics (2014)

    Achieved

    Mar 30, 2020

    Designing with the Latest Features
  • Achievement

    Basic Layout

    CSS Basics (2014)

    Achieved

    Mar 27, 2020

    Basic Layout
  • Achievement

    The Box Model

    CSS Basics (2014)

    Achieved

    Mar 26, 2020

    The Box Model
  • Achievement

    Understanding Values and Units

    CSS Basics (2014)

    Achieved

    Mar 23, 2020

    Understanding Values and Units
  • Achievement

    Basic Selectors

    CSS Basics (2014)

    Achieved

    Mar 23, 2020

    Basic Selectors
  • Achievement

    Getting Started with CSS

    CSS Basics (2014)

    Achieved

    Mar 23, 2020

    Getting Started with CSS
  • Achievement

    Working With Strings

    JavaScript Basics

    Achieved

    Mar 17, 2020

    Working With Strings
  • Achievement

    Storing and Tracking Information with Variables

    JavaScript Basics

    Achieved

    Mar 10, 2020

    Storing and Tracking Information with Variables
  • Achievement

    Hello, JavaScript!

    JavaScript Basics

    Achieved

    Mar 10, 2020

    Hello, JavaScript!
  • Achievement

    Images, Text and Links

    HTML Basics

    Achieved

    Mar 9, 2020

    Images, Text and Links
  • Achievement

    Structuring Your Content

    HTML Basics

    Achieved

    Aug 20, 2019

    Structuring Your Content
  • Achievement

    Security: Solutions

    Introduction to Data Security

    Achieved

    Aug 13, 2019

    Security: Solutions
  • Achievement

    Security: Concerns

    Introduction to Data Security

    Achieved

    Aug 13, 2019

    Security: Concerns
  • Achievement

    PHP Internal Functions

    PHP Functions

    Achieved

    Dec 7, 2018

    PHP Internal Functions
  • Achievement

    PHP Returns & Closures

    PHP Functions

    Achieved

    Dec 6, 2018

    PHP Returns & Closures
  • Achievement

    PHP Functions Basics

    PHP Functions

    Achieved

    Dec 6, 2018

    PHP Functions Basics
  • Achievement

    PHP on the Web

    PHP Basics

    Achieved

    Dec 5, 2018

    PHP on the Web
  • Achievement

    Daily Exercise Program

    PHP Basics

    Achieved

    Dec 5, 2018

    Daily Exercise Program
  • Achievement

    Unit Converter

    PHP Basics

    Achieved

    Dec 4, 2018

    Unit Converter
  • Achievement

    Getting to Know PHP

    PHP Basics

    Achieved

    Dec 4, 2018

    Getting to Know PHP
  • Achievement

    Building a Flashcard App

    Vue.js Basics

    Achieved

    Nov 19, 2018

    Building a Flashcard App
  • Achievement

    Sweeping Vues: Loops, Methods, Directives

    Vue.js Basics

    Achieved

    Nov 19, 2018

    Sweeping Vues: Loops, Methods, Directives
  • Achievement

    What a Beautiful Vue!

    Vue.js Basics

    Achieved

    Nov 18, 2018

    What a Beautiful Vue!
  • Achievement

    Introducing Vue

    Vue.js Basics

    Achieved

    Nov 17, 2018

    Introducing Vue
  • Achievement

    Working with jQuery Collections (2017)

    jQuery Basics

    Achieved

    Nov 14, 2018

    Working with jQuery Collections (2017)
  • Achievement

    Understanding jQuery Events and DOM Traversal (2017)

    jQuery Basics

    Achieved

    Nov 14, 2018

    Understanding jQuery Events and DOM Traversal (2017)
  • Achievement

    Introducing jQuery (2017)

    jQuery Basics

    Achieved

    Nov 13, 2018

    Introducing jQuery (2017)
  • Achievement

    Programming AJAX

    AJAX Basics (retiring)

    Achieved

    Nov 13, 2018

    Programming AJAX
  • Achievement

    AJAX Concepts

    AJAX Basics (retiring)

    Achieved

    Nov 13, 2018

    AJAX Concepts
  • Achievement

    First Commits

    Introduction to Git

    Achieved

    Nov 11, 2018

    First Commits
  • Achievement

    Introduction to SVG

    SVG Basics

    Achieved

    Nov 2, 2018

    Introduction to SVG
  • Achievement

    Objects and New Collection Types

    Introducing ES2015

    Achieved

    Oct 28, 2018

    Objects and New Collection Types
  • Achievement

    Security in Practice

    Security Literacy

    Achieved

    Oct 19, 2018

    Security in Practice
  • Achievement

    Common Attacks and Defenses

    Security Literacy

    Achieved

    Oct 19, 2018

    Common Attacks and Defenses
  • Achievement

    Hello Internet!

    Security Literacy

    Achieved

    Oct 18, 2018

    Hello Internet!
  • Achievement

    The Cooler Parts of ES2015

    Introducing ES2015

    Achieved

    Sep 27, 2018

    The Cooler Parts of ES2015
  • Achievement

    ES2015 Basics

    Introducing ES2015

    Achieved

    Sep 27, 2018

    ES2015 Basics
  • Achievement

    Getting Started With HTML

    HTML Basics

    Achieved

    Sep 23, 2018

    Getting Started With HTML
  • Achievement

    Adding a New Web Page

    Introduction to HTML and CSS (2016)

    Achieved

    Sep 23, 2018

    Adding a New Web Page
  • Achievement

    Make It Beautiful with CSS

    Introduction to HTML and CSS (2016)

    Achieved

    Sep 23, 2018

    Make It Beautiful with CSS
  • Achievement

    HTML: The Structural Foundation of Web Pages and Applications

    Introduction to HTML and CSS (2016)

    Achieved

    Sep 23, 2018

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

    Getting Familiar with HTML and CSS

    Introduction to HTML and CSS (2016)

    Achieved

    Sep 23, 2018

    Getting Familiar with HTML and CSS
  • Achievement

    Editing and Filtering Names

    DOM Scripting By Example

    Achieved

    Sep 23, 2018

    Editing and Filtering Names
  • Achievement

    Improving the Application Code

    DOM Scripting By Example

    Achieved

    Sep 22, 2018

    Improving the Application Code
  • Achievement

    Adding and Removing Names

    DOM Scripting By Example

    Achieved

    Sep 21, 2018

    Adding and Removing Names
  • Achievement

    Traversing the DOM

    JavaScript and the DOM (Retiring)

    Achieved

    Sep 19, 2018

    Traversing the DOM
  • Achievement

    Responding to User Interaction

    Interacting with the DOM

    Achieved

    Sep 13, 2018

    Responding to User Interaction
  • Achievement

    Making Changes to the DOM

    JavaScript and the DOM (Retiring)

    Achieved

    Sep 7, 2018

    Making Changes to the DOM
  • Achievement

    Getting a Handle on the DOM

    JavaScript and the DOM (Retiring)

    Achieved

    Sep 1, 2018

    Getting a Handle on the DOM
  • Achievement

    The Browser Environment

    JavaScript and the DOM (Retiring)

    Achieved

    Sep 1, 2018

    The Browser Environment
  • Achievement

    Create Function Using Arrow Syntax

    Getting Started With ES2015

    Achieved

    Aug 30, 2018

    Create Function Using Arrow Syntax
  • Achievement

    Using Template Literals

    Getting Started With ES2015

    Achieved

    Aug 26, 2018

    Using Template Literals
  • Achievement

    Defining Variables With let and const

    Getting Started With ES2015

    Achieved

    Aug 25, 2018

    Defining Variables With let and const
  • Achievement

    JavaScript Tools and Workflows

    The Landscape of JavaScript

    Achieved

    Aug 25, 2018

    JavaScript Tools and Workflows
  • Achievement

    JavaScript is Everywhere

    The Landscape of JavaScript

    Achieved

    Aug 25, 2018

    JavaScript is Everywhere
  • Achievement

    JavaScript Objects

    JavaScript Loops, Arrays and Objects

    Achieved

    Aug 23, 2018

    JavaScript Objects
  • Achievement

    JavaScript Arrays

    JavaScript Loops, Arrays and Objects

    Achieved

    Aug 20, 2018

    JavaScript Arrays
  • Achievement

    JavaScript Loops

    JavaScript Loops, Arrays and Objects

    Achieved

    Aug 15, 2018

    JavaScript Loops
  • Achievement

    JavaScript Functions

    JavaScript Basics (Retired)

    Achieved

    Aug 10, 2018

    JavaScript Functions
  • Achievement

    JavaScript Conditional Statements

    JavaScript Basics (Retired)

    Achieved

    Aug 8, 2018

    JavaScript Conditional Statements
  • Achievement

    JavaScript Numbers

    JavaScript Basics (Retired)

    Achieved

    Aug 6, 2018

    JavaScript Numbers
  • Achievement

    JavaScript Variables

    JavaScript Basics (Retired)

    Achieved

    Aug 5, 2018

    JavaScript Variables
  • Achievement

    Introducing JavaScript

    JavaScript Basics (Retired)

    Achieved

    Aug 5, 2018

    Introducing JavaScript
  • Achievement

    Introducing JavaScript

    Introducing JavaScript

    Achieved

    Aug 5, 2018

    Introducing JavaScript
  • Achievement

    Finishing the Game

    Introducing JavaScript

    Achieved

    Aug 5, 2018

    Finishing the Game
  • Achievement

    Newbie

    Achieved

    Aug 5, 2018

    Newbie