Viktor Léhner

Viktor Léhner

Budapest

I an a telecom engineer, and owner of web shop. After that I have tried to learn some programming language like ruby and php, I decided I will learn python. Python is the best for me.

Skills & Experience

  • Company

    Szaniteráruház.hu Kft

  • Job Title

    Owner and business automatisation adviser

  • Spoken Languages

    • english
    • hungarian

144 Achievements

  • Python: Inheritance
  • Python: Instant Objects
  • Meet Python
  • Covering Your Bases
  • Be Assertive!
  • Pipelines
  • What Is Testing?
  • How Jenkins Works
  • HTML Email Basics
  • Getting Started with CSS
  • What a View
  • Going Further with HTML
  • Images, Text and Links
  • Structuring Your Content
  • Getting Started With HTML
  • 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
  • Python Tuples
  • Python Dictionaries
  • Responsive Layouts With the Bootstrap Grid
  • Getting to Know Bootstrap 4
  • Python Slices
  • Python Lists
  • Letter Game App
  • JavaScript Conditional Statements
  • JavaScript Numbers
  • Programming AJAX
  • AJAX Concepts
  • Table Relationships
  • Database Keys
  • Database Normalization
  • Hello, jQuery!
  • JavaScript Variables
  • Finishing the Game
  • Introducing JavaScript
  • Number Game App
  • Shopping List App
  • Logic in Python
  • Introducing JavaScript
  • Python Data Types
  • Python For Beginners
  • Making Strong Users
  • Gettin' CRUD-y With It
  • Our Diary App
  • Meet Peewee
  • Character Builder
  • Why Version Control Matters
  • Choosing Options
  • Organizing Forms
  • Form Basics
  • Say Hello to Django
  • Flask Templates
  • Welcome to Flask
  • Python Objects
  • Slices
  • Lists Redux
  • Pick a Number! Any Number!
  • Putting the "Fun" Back in "Functions"
  • Shopping List
  • Things That Count
  • Ins & Outs
  • Say Hello to Python
  • Writing Tests
  • Introduction
  • Customizing Ruby on Rails Forms
  • Ruby Procs & Lambdas
  • Ruby Blocks
  • Ruby Loops
  • Ruby Methods
  • Ruby Hashes
  • Ruby Arrays
  • Ruby on Rails Authentication
  • Introduction to Front-End Frameworks
  • Ruby Numbers
  • Ruby Strings
  • Objects, Classes, and Variables
  • Ruby Basics
  • Rails Frontend Development
  • Getting Started With Rails
  • Getting Started with WordPress
  • Graphic Basics
  • Installing Programs
  • Environment and Redirection
  • Using Relationship Tables
  • Filtering Input for Queries
  • Querying the Database
  • Connecting to MySQL
  • Why Start a Business?
  • Console Processes
  • Paginating a List: Model and View
  • Paginating a List: Controller
  • Console Users and Permission
  • Adding Search: Model
  • Adding Search: Controller & View
  • Refactoring the Codebase
  • Cleaning URLs with Rewrite Rules
  • Cleaning URLs with Subfolders
  • Integrating Validation Errors
  • Simple PHP Application: Wrapping Up The Project
  • Working with PHP Functions
  • Integrating With Paypal
  • Listing Inventory Items
  • Adding a Contact Form
  • Moving Around in the Console
  • Functions
  • Objects and Arrays
  • Control Structures
  • Media Queries
  • CSS Animations
  • Creating the Menu and Footer
  • Getting Started with PHP
  • Transitions and Transforms
  • Basics
  • Flexbox and Multi-Column Layout
  • Website Basics
  • Gradients
  • Reading Data from Databases with SQL
  • Web Typography
  • Fluid Foundation
  • Introduction to Responsive Web Design
  • Installing MySQL Server and MySQL Workbench
  • Backgrounds and Borders
  • Introduction to Data, Databases and SQL
  • CSS Box Model
  • Text, Fonts, and Lists
  • Values and Units
  • Advanced Selectors
  • Selectors
  • Getting Started with CSS
  • Forms
  • Tables
  • Objects
  • Links
  • Lists
  • Text
  • Introduction
  • Launching the Website
  • Styling Content
  • Creating a Website Structure
  • Text Editors and HTML
  • Website Basics
  • Newbie