Marcel Olszewski

Marcel Olszewski

Member Since December 11, 2013

2,008

Total Points

Points are earned whenever you take an important action on Treehouse.
Learn more about when and how points are earned.

Skills & Experience

  • Company

    self unemployed

27 Achievements

  • Achievement

    Ruby on Rails Authentication

    Build a Simple Ruby on Rails Application

    Achieved

    Apr 16, 2015

    Ruby on Rails Authentication
  • Achievement

    Rails Frontend Development

    Build a Simple Ruby on Rails Application

    Achieved

    Apr 15, 2015

    Rails Frontend Development
  • Achievement

    Getting Started With Rails

    Build a Simple Ruby on Rails Application

    Achieved

    Apr 14, 2015

    Getting Started With Rails
  • Achievement

    Installing a Ruby Development Environment

    Installing a Ruby Development Environment

    Achieved

    Apr 14, 2015

    Installing a Ruby Development Environment
  • Achievement

    Advanced Selectors

    CSS Foundations

    Achieved

    Apr 7, 2014

    Advanced Selectors
  • Achievement

    Getting Started with CSS

    CSS Foundations

    Achieved

    Apr 7, 2014

    Getting Started with CSS
  • Achievement

    Lists

    HTML

    Achieved

    Apr 7, 2014

    Lists
  • Achievement

    Forms

    HTML

    Achieved

    Apr 7, 2014

    Forms
  • Achievement

    Tables

    HTML

    Achieved

    Apr 7, 2014

    Tables
  • Achievement

    Objects

    HTML

    Achieved

    Apr 7, 2014

    Objects
  • Achievement

    Links

    HTML

    Achieved

    Apr 7, 2014

    Links
  • Achievement

    Text

    HTML

    Achieved

    Apr 7, 2014

    Text
  • Achievement

    Introduction

    HTML

    Achieved

    Apr 7, 2014

    Introduction
  • Achievement

    Responsive Web Design and Testing

    How to Make a Website

    Achieved

    Apr 4, 2014

    Responsive Web Design and Testing
  • Achievement

    Debugging HTML and CSS Problems

    How to Make a Website

    Achieved

    Apr 4, 2014

    Debugging HTML and CSS Problems
  • Achievement

    Sharing a Website

    How to Make a Website

    Achieved

    Apr 4, 2014

    Sharing a Website
  • Achievement

    Styling Web Pages and Navigation

    How to Make a Website

    Achieved

    Apr 4, 2014

    Styling Web Pages and Navigation
  • Achievement

    Adding Pages to a Website

    How to Make a Website

    Achieved

    Mar 26, 2014

    Adding Pages to a Website
  • Achievement

    Customizing Colors and Fonts

    How to Make a Website

    Achieved

    Mar 26, 2014

    Customizing Colors and Fonts
  • Achievement

    CSS: Cascading Style Sheets

    How to Make a Website

    Achieved

    Mar 25, 2014

    CSS: Cascading Style Sheets
  • Achievement

    Creating HTML Content

    How to Make a Website

    Achieved

    Mar 25, 2014

    Creating HTML Content
  • Achievement

    HTML First

    How to Make a Website

    Achieved

    Mar 25, 2014

    HTML First
  • Achievement

    Beginning HTML and CSS

    How to Make a Website

    Achieved

    Mar 25, 2014

    Beginning HTML and CSS
  • Achievement

    Pointers and Memory

    Objective-C Basics (Retired)

    Achieved

    Dec 14, 2013

    Pointers and Memory
  • Achievement

    Functional Programming in C

    Objective-C Basics (Retired)

    Achieved

    Dec 13, 2013

    Functional Programming in C
  • Achievement

    Fundamentals of C

    Objective-C Basics (Retired)

    Achieved

    Dec 13, 2013

    Fundamentals of C
  • Achievement

    Newbie

    Achieved

    Dec 11, 2013

    Newbie