Damian Kosowski

Damian Kosowski

Warsaw / Poznań

Constant Learner interested in Web Development, Business, Science and Art.

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240 Achievements

  • Getting Started with Ember.js
  • HTTP Methods and Headers
  • Creating a Basic Template Engine in Node.js
  • Handling Routes in Node.js
  • Creating a Simple Server in Node.js
  • Building a Command Line Application
  • Introduction to Node.js
  • Building Forms with Bootstrap
  • Using Bootstrap Components
  • Responsive Layouts with the Bootstrap Grid
  • Getting to Know Bootstrap 4
  • Quiz Practice Project
  • Prototypal Inheritance
  • Constructor Functions & Prototypes
  • Introduction to Methods
  • Scrum Artifacts
  • Scrum Events
  • Introducing Scrum
  • What is Agile?
  • Go Further With Mongo
  • Working With Collections
  • Understanding MongoDB
  • Getting Started with MongoDB
  • Push Updates
  • Activity Feeds
  • Create an Image Gallery
  • Uploading and Resizing Images
  • Uploading Files
  • DNS Basics
  • Graphic Basics
  • Website Basics
  • Managing Friendships
  • Using AJAX
  • Adding State
  • Building the Friendship UI
  • Creating Friendships
  • Get Involved in Open Source
  •  Create a Web Presence on GitHub
  •  Working on a Team
  • Working By Yourself
  • Hello, GitHub!
  • Advanced Selectors
  • Going Further with Attribute Selectors and Pseudo-Classes
  • Selectors - Beyond the Basics
  • Traversing and Manipulating the DOM with JavaScript
  • Selecting Elements and Adding Events with JavaScript
  • JavaScript and the DOM
  • Using a jQuery Carousel
  • Add a Sticky Navigation Bar
  • Introducing jQuery Plugins
  • JavaScript Objects
  • JavaScript Arrays
  • JavaScript Loops
  • JavaScript Functions
  • JavaScript Conditional Statements
  • JavaScript Numbers
  • JavaScript Variables
  • Introducing JavaScript
  • Introduction to Front-End Frameworks
  • Advanced Sass Concepts
  • Speeding up Workflow With Sass
  • Variables, Mixins, and Extending Selectors
  • Getting Started with Sass
  • Getting the REST You Need
  • Rails Deployment
  • Building the Profile Page
  • Testing the Whole App
  • Rails Routing
  • Writing Tests
  • Customizing Ruby on Rails Forms
  • Ruby on Rails Authentication
  • Rails Frontend Development
  • Getting Started With Rails
  • GET and POST Requests in a Browser
  • Introduction to HTTP
  • Fundamental Concepts
  • Designing with the Latest Features
  • Basic Layout
  • The Box Model
  • Understanding Values and Units
  • Basic Selectors
  • Getting Started with CSS
  • Ruby Standard Library: Part 2
  • Ruby Standard Library: Part 1
  • Ruby Core
  • Forms
  • Tables
  • Objects
  • Links
  • Lists
  • Text
  • Introduction
  • Date and Time Functions
  • Aggregate and Numeric Functions
  • Working with Text
  • Ordering, Limiting and Paging Results
  • WWW
  • Handling Errors When Manipulating Data
  • Deleting Data from a Database
  • Updating Data in a Database
  • Adding Data to a Database
  • The Internet
  • Computer Languages
  • Computer Basics
  • Finding the Data You Want
  • Getting Data from a Database
  • Data, Databases and SQL
  • Gems In Depth
  • Ruby Gems
  • AJAX and APIs
  • jQuery and AJAX
  • Programming AJAX
  • AJAX Concepts
  • Creating a Simple Drawing Application
  • Creating a Password Confirmation Form
  • Creating a Mobile Drop Down Menu
  • Creating a Simple Lightbox
  • Creating a Spoiler Revealer
  • Introduction to jQuery
  • Store Inventory Using Modules
  • Include and Extend
  • Ruby Core Modules
  • Ruby Module Basics
  • Input and Output
  • Search
  • Ruby Class Design
  • API Authentication
  • Coding the API
  • Route Connections
  • Introduction to REST
  • Making sense of it all
  •  Learning activity: Interviewing
  • Learning activity: Field Observation
  • Learning activity: Experience Sampling
  • Finding participants for your learning activity
  • Solving an Important Problem
  • Cleanup and Feature Merge
  • Maintaining The Test Suite
  • Polishing Rails Applications
  • Static Pages with Rails
  • Creating an App Tutorial
  • Blank Slates and Rails
  • Email with Rails
  • Modifying Todo Lists
  • Form Builders and Rails
  • Styling Rails Forms
  • Styling Rails Models
  • Ruby on Rails Helpers
  • Rails Partials
  • Blocks Practice
  • Working With Blocks
  • Ruby Blocks
  • Build a Simple Todo List Program
  • Ruby Booleans
  • Build a Bank Account Class
  • Ruby Variables and Methods
  • Ruby Objects and Classes
  • Build a Simple Contact List
  • Ruby Iteration
  • Ruby Loops
  • Build a Grocery List Program
  • Ruby Hashes
  • Ruby Arrays
  • Styling a Header
  • Sass and Rails
  • Working with Rails Layouts
  • Zurb Foundation on Rails
  • Remember Me
  • Ruby Logical Operators
  • Ruby Control Structures
  • Ruby Operators
  • Password Resets and Testing
  • Adding User Support to Our Application
  • Password Hashing and Sign-In
  • AR Extensions
  • Callbacks
  • Query Interface
  • Validation
  • Migrations and Relationships
  • Introduction to ActiveRecord
  • Securing and Maintaining a MySQL Database
  • SQL Calculating, Aggregating and Other Functions
  • Joining Relational Data Between Tables in SQL
  • Manipulating Schema with SQL
  • Creating Tables and Manipulating Data with SQL
  • Reading Data from Databases with SQL
  • Installing MySQL Server and MySQL Workbench
  • Introduction to Data, Databases and SQL
  • Build a Todo List Application with Rails 4
  • Ruby Testing
  • Standard Library
  • Ruby Core
  • Ruby Modules
  • Ruby Procs & Lambdas
  • Ruby Blocks
  • Ruby Loops
  • Ruby Methods
  • Ruby Hashes
  • Ruby Arrays
  • Ruby Numbers
  • Ruby Strings
  • Objects, Classes, and Variables
  • Ruby Basics
  • Installing a Ruby Development Environment
  • Workflows
  • Working With Remote Repositories
  • Merging
  • Branches
  • Getting Started With Git
  • Why Version Control Matters
  • Installing Programs
  • Environment and Redirection
  • Console Processes
  • Console Users and Permission
  • Moving Around in the Console
  • JavaScript Objects
  • JavaScript Functions
  • JavaScript Arrays
  • JavaScript Numbers
  • JavaScript Strings
  • Introduction Variables
  • Ruby Methods
  • Ruby Numbers (Ruby Basics)
  • Ruby Strings (Ruby Basics)
  • How Ruby Works
  • Functions
  • Objects and Arrays
  • Control Structures
  • Basics
  • Debugging HTML and CSS Problems
  • Sharing a Website
  • Responsive Web Design and Testing
  • Adding Pages to a Website
  • Styling Web Pages and Navigation
  • Customizing Colors and Fonts
  • CSS: Cascading Style Sheets
  • Creating HTML Content
  • HTML First
  • Beginning HTML and CSS
  • Newbie