🌟 Dreaming of a bright future? 🎓 Ask about the Treehouse Scholarship program! 🚀

🤖 Level up your chatbot knowledge with our latest AI course.

Join our free community Discord server here!

Learn React with us!

Maciej Sularz

Bydgoszcz

Open to Work

15,088

Total Points

•
3,694

JavaScript

3694 pts
Achievements

0 pts
Forum
•
1,854

CSS

1854 pts
Achievements

0 pts
Forum
•
1,839

PHP

1827 pts
Achievements

12 pts
Forum
•
1,543

HTML

1522 pts
Achievements

21 pts
Forum
•
1,422

Development Tools

1422 pts
Achievements

0 pts
Forum
•
878

Java

878 pts
Achievements

0 pts
Forum
•
495

Python

495 pts
Achievements

0 pts
Forum
•
246

C#

246 pts
Achievements

0 pts
Forum
•
228

Ruby

228 pts
Achievements

0 pts
Forum
•
108

Design

108 pts
Achievements

0 pts
Forum
•
42

Business

42 pts
Achievements

0 pts
Forum
•
15

Databases

15 pts
Achievements

0 pts
Forum

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

Skills & Experience

Spoken Languages
- Polish
- English

186 Achievements

Achievement
Programming AJAX

AJAX Basics (retiring)

Achieved
Nov 23, 2016
Achievement
AJAX Concepts

AJAX Basics (retiring)

Achieved
Nov 23, 2016
Achievement
Traversing and Manipulating the DOM with JavaScript

Interactive Web Pages with JavaScript

Achieved
Nov 23, 2016
Achievement
Selecting Elements and Adding Events with JavaScript

Interactive Web Pages with JavaScript

Achieved
Nov 23, 2016
Achievement
JavaScript and the DOM

Interactive Web Pages with JavaScript

Achieved
Nov 23, 2016
Achievement
Using a jQuery Carousel

Using jQuery Plugins

Achieved
Nov 23, 2016
Achievement
Add a Sticky Navigation Bar

Using jQuery Plugins

Achieved
Nov 23, 2016
Achievement
Introducing jQuery Plugins

Using jQuery Plugins

Achieved
Nov 23, 2016
Achievement
JavaScript Objects

JavaScript Loops, Arrays and Objects

Achieved
Nov 23, 2016
Achievement
JavaScript Arrays

JavaScript Loops, Arrays and Objects

Achieved
Nov 22, 2016
Achievement
JavaScript Loops

JavaScript Loops, Arrays and Objects

Achieved
Nov 22, 2016
Achievement
JavaScript Functions

JavaScript Basics (Retired)

Achieved
Nov 22, 2016
Achievement
JavaScript Conditional Statements

JavaScript Basics (Retired)

Achieved
Nov 22, 2016
Achievement
JavaScript Numbers

JavaScript Basics (Retired)

Achieved
Nov 17, 2016
Achievement
Workflows

Git Basics

Achieved
Nov 16, 2016
Achievement
Working With Remote Repositories

Git Basics

Achieved
Nov 16, 2016
Achievement
Merging

Git Basics

Achieved
Nov 16, 2016
Achievement
Branches

Git Basics

Achieved
Nov 16, 2016
Achievement
Getting Started With Git

Git Basics

Achieved
Nov 16, 2016
Achievement
Why Version Control Matters

Git Basics

Achieved
Nov 16, 2016
Achievement
JavaScript Variables

JavaScript Basics (Retired)

Achieved
Nov 16, 2016
Achievement
Introducing Unit Testing

JavaScript Unit Testing

Achieved
Nov 14, 2016
Achievement
Introducing JavaScript

JavaScript Basics (Retired)

Achieved
Oct 20, 2016
Achievement
Perform

C# Basics (Retired)

Achieved
Nov 21, 2015
Achievement
Console I/O

C# Basics (Retired)

Achieved
Nov 21, 2015
Achievement
Prepare and Plan

C# Basics (Retired)

Achieved
Nov 21, 2015
Achievement
Finishing the Prototype

Prototyping with Foundation for Apps

Achieved
Sep 13, 2015
Achievement
Grid Layout and UI Components

Prototyping with Foundation for Apps

Achieved
Sep 13, 2015
Achievement
Getting to Know Foundation for Apps

Prototyping with Foundation for Apps

Achieved
Sep 12, 2015
Achievement
Child Themes

Genesis Theme Development

Achieved
Jul 15, 2015
Achievement
Organizing Data

Java Data Structures

Achieved
Jun 13, 2015
Achievement
Getting There

Java Data Structures

Achieved
Jun 13, 2015
Achievement
Delivering the MVP

Java Objects (Retired)

Achieved
Jun 12, 2015
Achievement
Creating the MVP

Java Objects (Retired)

Achieved
Jun 12, 2015
Achievement
Harnessing the Power of Objects

Java Objects (Retired)

Achieved
Jun 11, 2015
Achievement
Meet Objects

Java Objects (Retired)

Achieved
Jun 11, 2015
Achievement
Perfecting the Prototype

Java Basics

Achieved
Jun 9, 2015
Achievement
Using your New Tools

Java Basics

Achieved
Jun 9, 2015
Achievement
Getting Started with Java

Java Basics

Achieved
Jun 9, 2015
Achievement
WordPress Plugin Best Practices

How to Make a Website with WordPress

Achieved
Jun 8, 2015
Achievement
Widgets and Custom Menus

How to Make a Website with WordPress

Achieved
Jun 8, 2015
Achievement
Custom Post Types and Fields

How to Make a Website with WordPress

Achieved
Jun 8, 2015
Achievement
Customizing WordPress Themes

How to Make a Website with WordPress

Achieved
Jun 8, 2015
Achievement
WordPress Themes

How to Make a Website with WordPress

Achieved
Jun 8, 2015
Achievement
Installing Wordpress

How to Make a Website with WordPress

Achieved
Jun 8, 2015
Achievement
Custom WordPress Customizer Settings

WordPress Customizer API

Achieved
Jun 7, 2015
Achievement
The Production Server

Modern WordPress Workflow

Achieved
Jun 7, 2015
Achievement
The Staging Server

Modern WordPress Workflow

Achieved
Apr 27, 2015
Achievement
The Local Development Environment

Modern WordPress Workflow

Achieved
Apr 27, 2015
Achievement
Native WordPress Customizer Options

WordPress Customizer API

Achieved
Jan 6, 2015
Achievement
Creating Your Tests

PHP Testing

Achieved
Jan 2, 2015
Achievement
Tools for Testers

PHP Testing

Achieved
Jan 2, 2015
Achievement
How To Test Our Code

PHP Testing

Achieved
Jan 2, 2015
Achievement
Overview of the WordPress Customizer

WordPress Customizer API

Achieved
Jan 1, 2015
Achievement
Installing Programs

Console Foundations

Achieved
Jan 1, 2015
Achievement
Environment and Redirection

Console Foundations

Achieved
Jan 1, 2015
Achievement
Console Processes

Console Foundations

Achieved
Jan 1, 2015
Achievement
Error Handling

PHP Standards and Best Practices

Achieved
Dec 31, 2014
Achievement
Creating Distributable OOP Packages

PHP Standards and Best Practices

Achieved
Dec 31, 2014
Achievement
Autoloading and Composer

PHP Standards and Best Practices

Achieved
Dec 26, 2014
Achievement
Console Users and Permission

Console Foundations

Achieved
Dec 25, 2014
Achievement
Databases and International Concerns

PHP Standards and Best Practices

Achieved
Dec 25, 2014
Achievement
Starting Right with PHP Best Practices

PHP Standards and Best Practices

Achieved
Dec 24, 2014
Achievement
Moving Around in the Console

Console Foundations

Achieved
Dec 24, 2014
Achievement
Creating a Simple Drawing Application

jQuery Basics (2014)

Achieved
Dec 24, 2014
Achievement
Creating a Password Confirmation Form

jQuery Basics (2014)

Achieved
Dec 24, 2014
Achievement
Creating a Mobile Drop Down Menu

jQuery Basics (2014)

Achieved
Dec 24, 2014
Achievement
Creating a Simple Lightbox

jQuery Basics (2014)

Achieved
Dec 24, 2014
Achievement
Creating a Spoiler Revealer

jQuery Basics (2014)

Achieved
Dec 23, 2014
Achievement
Introduction to jQuery

jQuery Basics (2014)

Achieved
Dec 23, 2014
Achievement
Limiting Results in Queries

Using PHP with MySQL

Achieved
Dec 23, 2014
Achievement
Using Relationship Tables

Using PHP with MySQL

Achieved
Dec 23, 2014
Achievement
Filtering Input for Queries

Using PHP with MySQL

Achieved
Dec 23, 2014
Achievement
Querying the Database

Using PHP with MySQL

Achieved
Dec 22, 2014
Achievement
Connecting to MySQL

Using PHP with MySQL

Achieved
Dec 22, 2014
Achievement
Securing and Maintaining a MySQL Database

Database Foundations

Achieved
Dec 22, 2014
Achievement
SQL Calculating, Aggregating and Other Functions

Database Foundations

Achieved
Dec 22, 2014
Achievement
Joining Relational Data Between Tables in SQL

Database Foundations

Achieved
Dec 22, 2014
Achievement
Manipulating Schema with SQL

Database Foundations

Achieved
Dec 22, 2014
Achievement
Creating Tables and Manipulating Data with SQL

Database Foundations

Achieved
Dec 22, 2014
Achievement
Reading Data from Databases with SQL

Database Foundations

Achieved
Dec 22, 2014
Achievement
Installing MySQL Server and MySQL Workbench

Database Foundations

Achieved
Dec 22, 2014
Achievement
Introduction to Data, Databases and SQL

Database Foundations

Achieved
Dec 22, 2014
Achievement
Paginating a List: Model and View

Enhancing a Simple PHP Application

Achieved
Dec 21, 2014
Achievement
Paginating a List: Controller

Enhancing a Simple PHP Application

Achieved
Dec 21, 2014
Achievement
Adding Search: Model

Enhancing a Simple PHP Application

Achieved
Dec 21, 2014
Achievement
Local Python

Setting Up a Local Python Environment

Achieved
Dec 21, 2014
Achievement
Adding Search: Controller & View

Enhancing a Simple PHP Application

Achieved
Dec 21, 2014
Achievement
Refactoring the Codebase

Enhancing a Simple PHP Application

Achieved
Dec 21, 2014
Achievement
Cleaning URLs with Rewrite Rules

Enhancing a Simple PHP Application

Achieved
Dec 21, 2014
Achievement
Cleaning URLs with Subfolders

Enhancing a Simple PHP Application

Achieved
Dec 20, 2014
Achievement
Integrating Validation Errors

Enhancing a Simple PHP Application

Achieved
Dec 20, 2014
Achievement
Debugging HTML and CSS Problems

How to Make a Website

Achieved
Dec 20, 2014
Achievement
Sharing a Website

How to Make a Website

Achieved
Dec 20, 2014
Achievement
Responsive Web Design and Testing

How to Make a Website

Achieved
Dec 20, 2014
Achievement
Adding Pages to a Website

How to Make a Website

Achieved
Dec 20, 2014
Achievement
Styling Web Pages and Navigation

How to Make a Website

Achieved
Dec 20, 2014
Achievement
Exploring Ember

Ember.js

Achieved
Dec 20, 2014
Achievement
Customizing Colors and Fonts

How to Make a Website

Achieved
Dec 20, 2014
Achievement
CSS: Cascading Style Sheets

How to Make a Website

Achieved
Dec 20, 2014
Achievement
Creating HTML Content

How to Make a Website

Achieved
Dec 20, 2014
Achievement
HTML First

How to Make a Website

Achieved
Dec 20, 2014
Achievement
Beginning HTML and CSS

How to Make a Website

Achieved
Dec 20, 2014
Achievement
Pick a Number! Any Number!

Python Basics (Retired)

Achieved
Dec 20, 2014
Achievement
Putting the "Fun" Back in "Functions"

Python Basics (Retired)

Achieved
Dec 20, 2014
Achievement
Shopping List

Python Basics (Retired)

Achieved
Dec 20, 2014
Achievement
Things That Count

Python Basics (Retired)

Achieved
Dec 20, 2014
Achievement
Ins & Outs

Python Basics (Retired)

Achieved
Dec 20, 2014
Achievement
Say Hello to Python

Python Basics (Retired)

Achieved
Dec 20, 2014
Achievement
AngularJS MVC Frameworks

AngularJS

Achieved
Dec 14, 2014
Achievement
Ember Data

Ember.js

Achieved
Dec 14, 2014
Achievement
Models

Ember.js

Achieved
Dec 10, 2014
Achievement
Controllers

Ember.js

Achieved
Dec 10, 2014
Achievement
Routes and Templates

Ember.js

Achieved
Dec 10, 2014
Achievement
Getting Started with Ember.js

Ember.js

Achieved
Dec 10, 2014
Achievement
Add Bootstrap Components to WordPress Theme

From Bootstrap to WordPress

Achieved
May 15, 2014
Achievement
Create Bootstrap Styled Theme Templates

From Bootstrap to WordPress

Achieved
May 14, 2014
Achievement
Setup a Bootstrap Theme

From Bootstrap to WordPress

Achieved
May 13, 2014
Achievement
Ruby on Rails Authentication

Build a Simple Ruby on Rails Application

Achieved
Jan 22, 2014
Achievement
Rails Frontend Development

Build a Simple Ruby on Rails Application

Achieved
Jan 22, 2014
Achievement
Getting Started With Rails

Build a Simple Ruby on Rails Application

Achieved
Jan 22, 2014
Achievement
Simple PHP Application: Wrapping Up The Project

Build a Simple PHP Application

Achieved
Jan 21, 2014
Achievement
Working with PHP Functions

Build a Simple PHP Application

Achieved
Jan 20, 2014
Achievement
Integrating With Paypal

Build a Simple PHP Application

Achieved
Jan 19, 2014
Achievement
Listing Inventory Items

Build a Simple PHP Application

Achieved
Jan 19, 2014
Achievement
Adding a Contact Form

Build a Simple PHP Application

Achieved
Jan 19, 2014
Achievement
Creating the Menu and Footer

Build a Simple PHP Application

Achieved
Jan 19, 2014
Achievement
Color Theory

Aesthetic Foundations

Achieved
Jan 19, 2014
Achievement
Principles

Aesthetic Foundations

Achieved
Jan 19, 2014
Achievement
Elements

Aesthetic Foundations

Achieved
Jan 19, 2014
Achievement
Web Apps

Accessibility

Achieved
Jan 19, 2014
Achievement
Websites

Accessibility

Achieved
Jan 19, 2014
Achievement
Getting Started with PHP

Build a Simple PHP Application

Achieved
Jan 18, 2014
Achievement
Introduction to Front-End Frameworks

Framework Basics

Achieved
Jan 18, 2014
Achievement
Introduction

Accessibility

Achieved
Jan 18, 2014
Achievement
Customizing Google Maps

Build an Interactive Website

Achieved
Jan 18, 2014
Achievement
Google Maps Integration

Build an Interactive Website

Achieved
Jan 18, 2014
Achievement
jQuery Plugins

Build an Interactive Website

Achieved
Jan 18, 2014
Achievement
Form Validation and Manipulation

Build an Interactive Website

Achieved
Jan 16, 2014
Achievement
Introduction to jQuery

Build an Interactive Website

Achieved
Jan 16, 2014
Achievement
JavaScript Objects

JavaScript Foundations

Achieved
Jan 15, 2014
Achievement
JavaScript Functions

JavaScript Foundations

Achieved
Jan 15, 2014
Achievement
JavaScript Arrays

JavaScript Foundations

Achieved
Jan 15, 2014
Achievement
JavaScript Numbers

JavaScript Foundations

Achieved
Jan 15, 2014
Achievement
JavaScript Strings

JavaScript Foundations

Achieved
Dec 31, 2013
Achievement
Introduction Variables

JavaScript Foundations

Achieved
Dec 31, 2013
Achievement
Functions

Introduction to Programming

Achieved
Dec 30, 2013
Achievement
Objects and Arrays

Introduction to Programming

Achieved
Dec 30, 2013
Achievement
Control Structures

Introduction to Programming

Achieved
Dec 30, 2013
Achievement
Advanced Techniques

Build a Responsive Website

Achieved
Dec 30, 2013
Achievement
Responsive Design

Build a Responsive Website

Achieved
Dec 30, 2013
Achievement
Adaptive Design

Build a Responsive Website

Achieved
Dec 30, 2013
Achievement
Fluid Foundation

Build a Responsive Website

Achieved
Dec 30, 2013
Achievement
Introduction to Responsive Web Design

Build a Responsive Website

Achieved
Dec 30, 2013
Achievement
Basics

Introduction to Programming

Achieved
Dec 14, 2013
Achievement
Media Queries

Unused CSS Stages

Achieved
Dec 11, 2013
Achievement
Web Typography

CSS Foundations

Achieved
Dec 10, 2013
Achievement
CSS Animations

Unused CSS Stages

Achieved
Dec 10, 2013
Achievement
Transitions and Transforms

Unused CSS Stages

Achieved
Dec 9, 2013
Achievement
Flexbox and Multi-Column Layout

Unused CSS Stages

Achieved
Dec 9, 2013
Achievement
Gradients

CSS Foundations

Achieved
Dec 6, 2013
Achievement
Backgrounds and Borders

CSS Foundations

Achieved
Dec 6, 2013
Achievement
CSS Box Model

CSS Foundations

Achieved
Dec 6, 2013
Achievement
Text, Fonts, and Lists

CSS Foundations

Achieved
Dec 6, 2013
Achievement
Values and Units

CSS Foundations

Achieved
Dec 5, 2013
Achievement
Advanced Selectors

CSS Foundations

Achieved
Dec 5, 2013
Achievement
Selectors

CSS Foundations

Achieved
Dec 5, 2013
Achievement
Getting Started with CSS

CSS Foundations

Achieved
Dec 5, 2013
Achievement
Forms

HTML

Achieved
Dec 4, 2013
Achievement
Tables

HTML

Achieved
Dec 4, 2013
Achievement
Objects

HTML

Achieved
Dec 4, 2013
Achievement
Links

HTML

Achieved
Dec 4, 2013
Achievement
Lists

HTML

Achieved
Dec 3, 2013
Achievement
Text

HTML

Achieved
Dec 3, 2013
Achievement
Introduction

HTML

Achieved
Dec 3, 2013
Achievement
Advanced Sass Concepts

Sass Basics (retired)

Achieved
Nov 30, 2013
Achievement
Speeding up Workflow With Sass

Sass Basics (retired)

Achieved
Nov 30, 2013
Achievement
Variables, Mixins, and Extending Selectors

Sass Basics (retired)

Achieved
Nov 30, 2013
Achievement
Getting Started with Sass

Sass Basics (retired)

Achieved
Nov 29, 2013
Achievement
Why Start a Business?

How to Start a Business (old)

Achieved
Nov 29, 2013
Achievement
Launching the Website

Build a Simple Website

Achieved
Nov 29, 2013
Achievement
Styling Content

Build a Simple Website

Achieved
Nov 29, 2013
Achievement
Creating a Website Structure

Build a Simple Website

Achieved
Nov 29, 2013
Achievement
Text Editors and HTML

Build a Simple Website

Achieved
Nov 29, 2013
Achievement
Website Basics

Build a Simple Website

Achieved
Nov 29, 2013
Achievement
Newbie

Achieved
Nov 29, 2013