Mateusz Leśniak

Mateusz Leśniak

Kraków, Poland

4,762

Total Points

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44 Achievements

  • Achievement

    Gems In Depth

    Ruby Gems

    Achieved

    Aug 12, 2017

    Gems In Depth
  • Achievement

    Ruby Gems

    Ruby Gems

    Achieved

    Aug 10, 2017

    Ruby Gems
  • Achievement

    Ruby Standard Library: Part 2

    Ruby Core and Standard Library

    Achieved

    Aug 9, 2017

    Ruby Standard Library: Part 2
  • Achievement

    Ruby Standard Library: Part 1

    Ruby Core and Standard Library

    Achieved

    Aug 7, 2017

    Ruby Standard Library: Part 1
  • Achievement

    Ruby Core

    Ruby Core and Standard Library

    Achieved

    Jul 26, 2017

    Ruby Core
  • Achievement

    Store Inventory Using Modules

    Ruby Modules

    Achieved

    Jun 28, 2017

    Store Inventory Using Modules
  • Achievement

    Include and Extend

    Ruby Modules

    Achieved

    Jun 26, 2017

    Include and Extend
  • Achievement

    Ruby Core Modules

    Ruby Modules

    Achieved

    Jun 21, 2017

    Ruby Core Modules
  • Achievement

    Ruby Module Basics

    Ruby Modules

    Achieved

    Jun 18, 2017

    Ruby Module Basics
  • Achievement

    Input and Output

    Build an Address Book in Ruby

    Achieved

    May 6, 2017

    Input and Output
  • Achievement

    Search

    Build an Address Book in Ruby

    Achieved

    May 3, 2017

    Search
  • Achievement

    Ruby Class Design

    Build an Address Book in Ruby

    Achieved

    May 3, 2017

    Ruby Class Design
  • Achievement

    Blocks Practice

    Ruby Blocks

    Achieved

    May 2, 2017

    Blocks Practice
  • Achievement

    Working With Blocks

    Ruby Blocks

    Achieved

    May 2, 2017

    Working With Blocks
  • Achievement

    Ruby Blocks

    Ruby Blocks

    Achieved

    Apr 27, 2017

    Ruby Blocks
  • Achievement

    Build a Simple Todo List Program

    Ruby Booleans

    Achieved

    Apr 23, 2017

    Build a Simple Todo List Program
  • Achievement

    Ruby Booleans

    Ruby Booleans

    Achieved

    Apr 10, 2017

    Ruby Booleans
  • Achievement

    Build a Bank Account Class

    Ruby Objects and Classes

    Achieved

    Mar 31, 2017

    Build a Bank Account Class
  • Achievement

    Ruby Variables and Methods

    Ruby Objects and Classes

    Achieved

    Mar 23, 2017

    Ruby Variables and Methods
  • Achievement

    Ruby Objects and Classes

    Ruby Objects and Classes

    Achieved

    Mar 20, 2017

    Ruby Objects and Classes
  • Achievement

    Build a Simple Contact List

    Ruby Loops

    Achieved

    Mar 18, 2017

    Build a Simple Contact List
  • Achievement

    Ruby Iteration

    Ruby Loops

    Achieved

    Mar 17, 2017

    Ruby Iteration
  • Achievement

    Ruby Loops

    Ruby Loops

    Achieved

    Mar 17, 2017

    Ruby Loops
  • Achievement

    Build a Grocery List Program

    Ruby Collections

    Achieved

    Mar 11, 2017

    Build a Grocery List Program
  • Achievement

    Ruby Hashes

    Ruby Collections

    Achieved

    Mar 11, 2017

    Ruby Hashes
  • Achievement

    Ruby Arrays

    Ruby Collections

    Achieved

    Mar 7, 2017

    Ruby Arrays
  • Achievement

    Ruby Logical Operators

    Ruby Operators and Control Structures

    Achieved

    Mar 5, 2017

    Ruby Logical Operators
  • Achievement

    Ruby Control Structures

    Ruby Operators and Control Structures

    Achieved

    Mar 5, 2017

    Ruby Control Structures
  • Achievement

    Ruby Operators

    Ruby Operators and Control Structures

    Achieved

    Mar 5, 2017

    Ruby Operators
  • Achievement

    Ruby Methods

    Ruby Basics (Retired)

    Achieved

    Mar 3, 2017

    Ruby Methods
  • Achievement

    Ruby Numbers (Ruby Basics)

    Ruby Basics (Retired)

    Achieved

    Mar 2, 2017

    Ruby Numbers (Ruby Basics)
  • Achievement

    Ruby Strings (Ruby Basics)

    Ruby Basics (Retired)

    Achieved

    Mar 2, 2017

    Ruby Strings (Ruby Basics)
  • Achievement

    How Ruby Works

    Ruby Basics (Retired)

    Achieved

    Feb 28, 2017

    How Ruby Works
  • Achievement

    MASH JavaScript

    Treehouse Club - MASH

    Achieved

    Feb 27, 2017

    MASH JavaScript
  • Achievement

    MASH CSS

    Treehouse Club - MASH

    Achieved

    Feb 26, 2017

    MASH CSS
  • Achievement

    MASH HTML

    Treehouse Club - MASH

    Achieved

    Feb 26, 2017

    MASH HTML
  • Achievement

    Treehouse Club - JavaScript

    Treehouse Club: JavaScript

    Achieved

    Feb 26, 2017

    Treehouse Club - JavaScript
  • Achievement

    Treehouse Club - CSS

    Treehouse Club: CSS

    Achieved

    Feb 25, 2017

    Treehouse Club - CSS
  • Achievement

    Welcome to the Treehouse Club

    Treehouse Club: HTML

    Achieved

    Feb 25, 2017

    Welcome to the Treehouse Club
  • Achievement

    WWW

    How the Web Works

    Achieved

    Feb 25, 2017

    WWW
  • Achievement

    The Internet

    How the Internet Works

    Achieved

    Feb 23, 2017

    The Internet
  • Achievement

    Computer Languages

    Computer Basics

    Achieved

    Feb 23, 2017

    Computer Languages
  • Achievement

    Computer Basics

    Computer Basics

    Achieved

    Feb 23, 2017

    Computer Basics
  • Achievement

    Newbie

    Achieved

    Feb 23, 2017

    Newbie