Zoltan Lederer

Zoltan Lederer

Member Since November 14, 2016
Open to Work

10,722

Total Points

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Skills & Experience

  • Spoken Languages

    • English
    • Hungarian

129 Achievements

  • Achievement

    Welcome to Gulp.js

    Gulp Basics

    Achieved

    May 11, 2017

    Welcome to Gulp.js
  • Achievement

    Updating and Uninstalling Packages with npm

    npm Basics (retiring)

    Achieved

    Apr 24, 2017

    Updating and Uninstalling Packages with npm
  • Achievement

    Installing Packages with npm

    npm Basics (retiring)

    Achieved

    Apr 23, 2017

    Installing Packages with npm
  • Achievement

    What is npm?

    npm Basics (retiring)

    Achieved

    Apr 20, 2017

    What is npm?
  • Achievement

    HTTP Methods and Headers

    Build a Simple Dynamic Site with Node.js

    Achieved

    Apr 19, 2017

    HTTP Methods and Headers
  • Achievement

    Creating a Basic Template Engine in Node.js

    Build a Simple Dynamic Site with Node.js

    Achieved

    Apr 18, 2017

    Creating a Basic Template Engine in Node.js
  • Achievement

    Handling Routes in Node.js

    Build a Simple Dynamic Site with Node.js

    Achieved

    Apr 17, 2017

    Handling Routes in Node.js
  • Achievement

    Creating a Simple Server in Node.js

    Build a Simple Dynamic Site with Node.js

    Achieved

    Apr 17, 2017

    Creating a Simple Server in Node.js
  • Achievement

    GET and POST Requests in a Browser

    HTTP Basics

    Achieved

    Apr 15, 2017

    GET and POST Requests in a Browser
  • Achievement

    Introduction to HTTP

    HTTP Basics

    Achieved

    Apr 14, 2017

    Introduction to HTTP
  • Achievement

    Creating a Command Line Weather Application

    Node.js Basics 2017

    Achieved

    Apr 14, 2017

    Creating a Command Line Weather Application
  • Achievement

    Handling Errors in Node

    Node.js Basics 2017

    Achieved

    Apr 14, 2017

    Handling Errors in Node
  • Achievement

    Getting Data From an API With Node

    Node.js Basics 2017

    Achieved

    Apr 11, 2017

    Getting Data From an API With Node
  • Achievement

    Introduction to Node.js

    Node.js Basics 2017

    Achieved

    Apr 10, 2017

    Introduction to Node.js
  • Achievement

    Classes

    Introducing ES2015

    Achieved

    Apr 10, 2017

    Classes
  • Achievement

    Objects and New Collection Types

    Introducing ES2015

    Achieved

    Apr 8, 2017

    Objects and New Collection Types
  • Achievement

    The Cooler Parts of ES2015

    Introducing ES2015

    Achieved

    Apr 5, 2017

    The Cooler Parts of ES2015
  • Achievement

    ES2015 Basics

    Introducing ES2015

    Achieved

    Mar 31, 2017

    ES2015 Basics
  • Achievement

    Using a jQuery Carousel

    Using jQuery Plugins

    Achieved

    Mar 28, 2017

    Using a jQuery Carousel
  • Achievement

    DOM Traversal

    Introduction to jQuery

    Achieved

    Mar 25, 2017

    DOM Traversal
  • Achievement

    DOM Manipulation

    Introduction to jQuery

    Achieved

    Mar 25, 2017

    DOM Manipulation
  • Achievement

    Add a Sticky Navigation Bar

    Using jQuery Plugins

    Achieved

    Mar 23, 2017

    Add a Sticky Navigation Bar
  • Achievement

    Introducing jQuery Plugins

    Using jQuery Plugins

    Achieved

    Mar 22, 2017

    Introducing jQuery Plugins
  • Achievement

    Events

    Introduction to jQuery

    Achieved

    Mar 21, 2017

    Events
  • Achievement

    Hello, jQuery!

    Introduction to jQuery

    Achieved

    Mar 21, 2017

    Hello, jQuery!
  • Achievement

    Improving the Application Code

    DOM Scripting By Example

    Achieved

    Mar 20, 2017

    Improving the Application Code
  • Achievement

    Editing and Filtering Names

    DOM Scripting By Example

    Achieved

    Mar 18, 2017

    Editing and Filtering Names
  • Achievement

    Adding and Removing Names

    DOM Scripting By Example

    Achieved

    Mar 18, 2017

    Adding and Removing Names
  • Achievement

    Traversing the DOM

    JavaScript and the DOM (Retiring)

    Achieved

    Mar 16, 2017

    Traversing the DOM
  • Achievement

    Responding to User Interaction

    Interacting with the DOM

    Achieved

    Mar 12, 2017

    Responding to User Interaction
  • Achievement

    Making Changes to the DOM

    JavaScript and the DOM (Retiring)

    Achieved

    Feb 28, 2017

    Making Changes to the DOM
  • Achievement

    Getting a Handle on the DOM

    JavaScript and the DOM (Retiring)

    Achieved

    Feb 26, 2017

    Getting a Handle on the DOM
  • Achievement

    The Browser Environment

    JavaScript and the DOM (Retiring)

    Achieved

    Feb 26, 2017

    The Browser Environment
  • Achievement

    Combine and Minify Assets

    Introduction to Front End Performance Optimization

    Achieved

    Feb 25, 2017

    Combine and Minify Assets
  • Achievement

    Optimize Assets

    Introduction to Front End Performance Optimization

    Achieved

    Feb 25, 2017

    Optimize Assets
  • Achievement

    Measuring Performance

    Introduction to Front End Performance Optimization

    Achieved

    Feb 24, 2017

    Measuring Performance
  • Achievement

    Planning for Performance

    Introduction to Front End Performance Optimization

    Achieved

    Feb 24, 2017

    Planning for Performance
  • Achievement

    Installing Programs

    Console Foundations

    Achieved

    Feb 24, 2017

    Installing Programs
  • Achievement

    Workflows

    Git Basics

    Achieved

    Feb 24, 2017

    Workflows
  • Achievement

    Working With Remote Repositories

    Git Basics

    Achieved

    Feb 23, 2017

    Working With Remote Repositories
  • Achievement

    Merging

    Git Basics

    Achieved

    Feb 23, 2017

    Merging
  • Achievement

    Branches

    Git Basics

    Achieved

    Feb 23, 2017

    Branches
  • Achievement

    Getting Started With Git

    Git Basics

    Achieved

    Feb 23, 2017

    Getting Started With Git
  • Achievement

    Why Version Control Matters

    Git Basics

    Achieved

    Feb 22, 2017

    Why Version Control Matters
  • Achievement

    Environment and Redirection

    Console Foundations

    Achieved

    Feb 22, 2017

    Environment and Redirection
  • Achievement

    Console Processes

    Console Foundations

    Achieved

    Feb 21, 2017

    Console Processes
  • Achievement

    Console Users and Permission

    Console Foundations

    Achieved

    Feb 21, 2017

    Console Users and Permission
  • Achievement

    Moving Around in the Console

    Console Foundations

    Achieved

    Feb 21, 2017

    Moving Around in the Console
  • Achievement

    Chrome DevTools Basics

    Website Optimization

    Achieved

    Feb 21, 2017

    Chrome DevTools Basics
  • Achievement

    Web Apps

    Accessibility

    Achieved

    Feb 20, 2017

    Web Apps
  • Achievement

    Websites

    Accessibility

    Achieved

    Feb 20, 2017

    Websites
  • Achievement

    Introduction

    Accessibility

    Achieved

    Feb 19, 2017

    Introduction
  • Achievement

    Quiz Practice Project

    Object-Oriented JavaScript (2015)

    Achieved

    Feb 19, 2017

    Quiz Practice Project
  • Achievement

    Prototypal Inheritance

    Object-Oriented JavaScript (2015)

    Achieved

    Feb 19, 2017

    Prototypal Inheritance
  • Achievement

    Constructor Functions & Prototypes

    Object-Oriented JavaScript (2015)

    Achieved

    Feb 19, 2017

    Constructor Functions & Prototypes
  • Achievement

    Introduction to Methods

    Object-Oriented JavaScript (2015)

    Achieved

    Feb 18, 2017

    Introduction to Methods
  • Achievement

    AJAX and APIs

    AJAX Basics (retiring)

    Achieved

    Feb 18, 2017

    AJAX and APIs
  • Achievement

    jQuery and AJAX

    AJAX Basics (retiring)

    Achieved

    Feb 18, 2017

    jQuery and AJAX
  • Achievement

    WordPress User Roles

    WordPress User Roles

    Achieved

    Feb 17, 2017

    WordPress User Roles
  • Achievement

    WordPress Plugins

    WordPress Basics

    Achieved

    Feb 16, 2017

    WordPress Plugins
  • Achievement

    WordPress Themes

    WordPress Basics

    Achieved

    Feb 16, 2017

    WordPress Themes
  • Achievement

    The WordPress Customizer

    WordPress Basics

    Achieved

    Feb 15, 2017

    The WordPress Customizer
  • Achievement

    Managing Media in WordPress

    WordPress Basics

    Achieved

    Feb 15, 2017

    Managing Media in WordPress
  • Achievement

    Managing Content in WordPress

    WordPress Basics

    Achieved

    Feb 14, 2017

    Managing Content in WordPress
  • Achievement

    How to Install WordPress on Your Computer

    How to Install WordPress on Your Computer

    Achieved

    Feb 14, 2017

    How to Install WordPress on Your Computer
  • Achievement

    What Is WordPress?

    What Is WordPress?

    Achieved

    Feb 13, 2017

    What Is WordPress?
  • Achievement

    Programming AJAX

    AJAX Basics (retiring)

    Achieved

    Feb 7, 2017

    Programming AJAX
  • Achievement

    AJAX Concepts

    AJAX Basics (retiring)

    Achieved

    Feb 7, 2017

    AJAX Concepts
  • Achievement

    Custom Media Players

    HTML Video and Audio (Retired)

    Achieved

    Feb 6, 2017

    Custom Media Players
  • Achievement

    Captioning Video

    HTML Video and Audio (Retired)

    Achieved

    Feb 6, 2017

    Captioning Video
  • Achievement

    Media Basics

    HTML Video and Audio (Retired)

    Achieved

    Feb 5, 2017

    Media Basics
  • Achievement

    Traversing and Manipulating the DOM with JavaScript

    Interactive Web Pages with JavaScript

    Achieved

    Feb 5, 2017

    Traversing and Manipulating the DOM with JavaScript
  • Achievement

    Selecting Elements and Adding Events with JavaScript

    Interactive Web Pages with JavaScript

    Achieved

    Feb 2, 2017

    Selecting Elements and Adding Events with JavaScript
  • Achievement

    JavaScript and the DOM

    Interactive Web Pages with JavaScript

    Achieved

    Feb 2, 2017

    JavaScript and the DOM
  • Achievement

    Structuring Tables

    HTML Tables

    Achieved

    Feb 1, 2017

    Structuring Tables
  • Achievement

    Table Basics

    HTML Tables

    Achieved

    Feb 1, 2017

    Table Basics
  • Achievement

    Building Forms with Bootstrap

    Bootstrap 4 Basics (Retired)

    Achieved

    Jan 31, 2017

    Building Forms with Bootstrap
  • Achievement

    Using Bootstrap Components

    Bootstrap 4 Basics (Retired)

    Achieved

    Jan 31, 2017

    Using Bootstrap Components
  • Achievement

    Responsive Layouts with the Bootstrap Grid

    Bootstrap 4 Basics (Retired)

    Achieved

    Jan 30, 2017

    Responsive Layouts with the Bootstrap Grid
  • Achievement

    Getting to Know Bootstrap 4

    Bootstrap 4 Basics (Retired)

    Achieved

    Jan 29, 2017

    Getting to Know Bootstrap 4
  • Achievement

    Creating a Simple Drawing Application

    jQuery Basics (2014)

    Achieved

    Jan 29, 2017

    Creating a Simple Drawing Application
  • Achievement

    Creating a Password Confirmation Form

    jQuery Basics (2014)

    Achieved

    Jan 26, 2017

    Creating a Password Confirmation Form
  • Achievement

    Creating a Mobile Drop Down Menu

    jQuery Basics (2014)

    Achieved

    Jan 26, 2017

    Creating a Mobile Drop Down Menu
  • Achievement

    Creating a Simple Lightbox

    jQuery Basics (2014)

    Achieved

    Jan 25, 2017

    Creating a Simple Lightbox
  • Achievement

    Creating a Spoiler Revealer

    jQuery Basics (2014)

    Achieved

    Jan 23, 2017

    Creating a Spoiler Revealer
  • Achievement

    Introduction to jQuery

    jQuery Basics (2014)

    Achieved

    Jan 23, 2017

    Introduction to jQuery
  • Achievement

    Advanced Selectors

    CSS Selectors

    Achieved

    Jan 23, 2017

    Advanced Selectors
  • Achievement

    Going Further with Attribute Selectors and Pseudo-Classes

    CSS Selectors

    Achieved

    Dec 18, 2016

    Going Further with Attribute Selectors and Pseudo-Classes
  • Achievement

    Selectors - Beyond the Basics

    CSS Selectors

    Achieved

    Dec 18, 2016

    Selectors - Beyond the Basics
  • Achievement

    JavaScript Objects

    JavaScript Loops, Arrays and Objects

    Achieved

    Dec 18, 2016

    JavaScript Objects
  • Achievement

    JavaScript Arrays

    JavaScript Loops, Arrays and Objects

    Achieved

    Dec 13, 2016

    JavaScript Arrays
  • Achievement

    JavaScript Loops

    JavaScript Loops, Arrays and Objects

    Achieved

    Dec 11, 2016

    JavaScript Loops
  • Achievement

    Choosing Options

    HTML Forms

    Achieved

    Dec 8, 2016

    Choosing Options
  • Achievement

    Organizing Forms

    HTML Forms

    Achieved

    Dec 7, 2016

    Organizing Forms
  • Achievement

    Form Basics

    HTML Forms

    Achieved

    Dec 7, 2016

    Form Basics
  • Achievement

    Building a Layout with Flexbox

    CSS Flexbox Layout

    Achieved

    Dec 4, 2016

    Building a Layout with Flexbox
  • Achievement

    Flexbox Properties

    CSS Flexbox Layout

    Achieved

    Dec 4, 2016

    Flexbox Properties
  • Achievement

    Understanding Flexbox

    CSS Flexbox Layout

    Achieved

    Dec 3, 2016

    Understanding Flexbox
  • Achievement

    Responsive Patterns

    Responsive Layouts

    Achieved

    Dec 3, 2016

    Responsive Patterns
  • Achievement

    Media Queries

    Responsive Layouts

    Achieved

    Dec 3, 2016

    Media Queries
  • Achievement

    Responsive Theory

    Responsive Layouts

    Achieved

    Dec 1, 2016

    Responsive Theory
  • Achievement

    CSS Layout Project

    CSS Layout Basics

    Achieved

    Dec 1, 2016

    CSS Layout Project
  • Achievement

    Positioning Page Content

    CSS Layout Basics

    Achieved

    Dec 1, 2016

    Positioning Page Content
  • Achievement

    Page Layout with the Float Property

    CSS Layout Basics

    Achieved

    Nov 30, 2016

    Page Layout with the Float Property
  • Achievement

    Controlling Layout with CSS Display Modes

    CSS Layout Basics

    Achieved

    Nov 30, 2016

    Controlling Layout with CSS Display Modes
  • Achievement

    Getting Started with CSS Layout

    CSS Layout Basics

    Achieved

    Nov 30, 2016

    Getting Started with CSS Layout
  • Achievement

    JavaScript Functions

    JavaScript Basics (Retired)

    Achieved

    Nov 28, 2016

    JavaScript Functions
  • Achievement

    JavaScript Conditional Statements

    JavaScript Basics (Retired)

    Achieved

    Nov 27, 2016

    JavaScript Conditional Statements
  • Achievement

    JavaScript Numbers

    JavaScript Basics (Retired)

    Achieved

    Nov 27, 2016

    JavaScript Numbers
  • Achievement

    JavaScript Variables

    JavaScript Basics (Retired)

    Achieved

    Nov 26, 2016

    JavaScript Variables
  • Achievement

    Introducing JavaScript

    JavaScript Basics (Retired)

    Achieved

    Nov 26, 2016

    Introducing JavaScript
  • Achievement

    Fundamental Concepts

    CSS Basics (2014)

    Achieved

    Nov 20, 2016

    Fundamental Concepts
  • Achievement

    Designing with the Latest Features

    CSS Basics (2014)

    Achieved

    Nov 20, 2016

    Designing with the Latest Features
  • Achievement

    Basic Layout

    CSS Basics (2014)

    Achieved

    Nov 19, 2016

    Basic Layout
  • Achievement

    The Box Model

    CSS Basics (2014)

    Achieved

    Nov 19, 2016

    The Box Model
  • Achievement

    Understanding Values and Units

    CSS Basics (2014)

    Achieved

    Nov 18, 2016

    Understanding Values and Units
  • Achievement

    Basic Selectors

    CSS Basics (2014)

    Achieved

    Nov 18, 2016

    Basic Selectors
  • Achievement

    Getting Started with CSS

    CSS Basics (2014)

    Achieved

    Nov 17, 2016

    Getting Started with CSS
  • Achievement

    Debugging HTML and CSS Problems

    How to Make a Website

    Achieved

    Nov 17, 2016

    Debugging HTML and CSS Problems
  • Achievement

    Sharing a Website

    How to Make a Website

    Achieved

    Nov 17, 2016

    Sharing a Website
  • Achievement

    Responsive Web Design and Testing

    How to Make a Website

    Achieved

    Nov 17, 2016

    Responsive Web Design and Testing
  • Achievement

    Adding Pages to a Website

    How to Make a Website

    Achieved

    Nov 16, 2016

    Adding Pages to a Website
  • Achievement

    Styling Web Pages and Navigation

    How to Make a Website

    Achieved

    Nov 15, 2016

    Styling Web Pages and Navigation
  • Achievement

    Customizing Colors and Fonts

    How to Make a Website

    Achieved

    Nov 15, 2016

    Customizing Colors and Fonts
  • Achievement

    CSS: Cascading Style Sheets

    How to Make a Website

    Achieved

    Nov 15, 2016

    CSS: Cascading Style Sheets
  • Achievement

    Creating HTML Content

    How to Make a Website

    Achieved

    Nov 15, 2016

    Creating HTML Content
  • Achievement

    HTML First

    How to Make a Website

    Achieved

    Nov 14, 2016

    HTML First
  • Achievement

    Beginning HTML and CSS

    How to Make a Website

    Achieved

    Nov 14, 2016

    Beginning HTML and CSS
  • Achievement

    Newbie

    Achieved

    Nov 14, 2016

    Newbie