Grzegorz Lenkiewicz

Grzegorz Lenkiewicz

Member Since September 17, 2016
Open to Work

5,022

Total Points

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Learn more about when and how points are earned.

Skills & Experience

68 Achievements

  • Achievement

    Callbacks and the DOM

    Callback Functions in JavaScript

    Achieved

    Jul 21, 2017

    Callbacks and the DOM
  • Achievement

    Callbacks with Timers

    Callback Functions in JavaScript

    Achieved

    Jul 20, 2017

    Callbacks with Timers
  • Achievement

    Introduction to Callback Functions

    Callback Functions in JavaScript

    Achieved

    Jul 20, 2017

    Introduction to Callback Functions
  • Achievement

    Prototypal Inheritance

    Object-Oriented JavaScript (2015)

    Achieved

    Jul 10, 2017

    Prototypal Inheritance
  • Achievement

    S3 Storage Service

    AWS with S3

    Achieved

    Jul 7, 2017

    S3 Storage Service
  • Achievement

    AWS and "The Cloud"

    AWS with S3

    Achieved

    Jul 6, 2017

    AWS and "The Cloud"
  • Achievement

    Selections with D3

    D3.js

    Achieved

    Jul 3, 2017

    Selections with D3
  • Achievement

    Angular Basic Forms

    Angular Basics

    Achieved

    Jul 2, 2017

    Angular Basic Forms
  • Achievement

    Services in Angular

    Angular Basics

    Achieved

    Jun 30, 2017

    Services in Angular
  • Achievement

    Angular Components

    Angular Basics

    Achieved

    Jun 30, 2017

    Angular Components
  • Achievement

    Hooking Into WordPress Plugins

    WordPress Hooks - Actions and Filters

    Achieved

    May 22, 2017

    Hooking Into WordPress Plugins
  • Achievement

    Action Functions in WordPress

    WordPress Hooks - Actions and Filters

    Achieved

    May 22, 2017

    Action Functions in WordPress
  • Achievement

    Filter Functions in WordPress

    WordPress Hooks - Actions and Filters

    Achieved

    May 22, 2017

    Filter Functions in WordPress
  • Achievement

    An Overview of Hooks in WordPress

    WordPress Hooks - Actions and Filters

    Achieved

    May 22, 2017

    An Overview of Hooks in WordPress
  • Achievement

    Overview of the WordPress Customizer

    WordPress Customizer API

    Achieved

    May 19, 2017

    Overview of the WordPress Customizer
  • Achievement

    How WordPress Templates Work

    The WordPress Template Hierarchy

    Achieved

    May 19, 2017

    How WordPress Templates Work
  • Achievement

    Local WordPress Development

    Local WordPress Development

    Achieved

    May 19, 2017

    Local WordPress Development
  • Achievement

    More Advanced PHP for WordPress

    PHP for WordPress

    Achieved

    May 19, 2017

    More Advanced PHP for WordPress
  • Achievement

    PHP Basics for WordPress

    PHP for WordPress

    Achieved

    May 19, 2017

    PHP Basics for WordPress
  • Achievement

    Introduction to PHP for WordPress

    PHP for WordPress

    Achieved

    May 19, 2017

    Introduction to PHP for WordPress
  • Achievement

    Introduction to HTTP

    HTTP Basics

    Achieved

    May 10, 2017

    Introduction to HTTP
  • Achievement

    Working with Text

    Reporting with SQL

    Achieved

    May 4, 2017

    Working with Text
  • Achievement

    PHP Conditionals

    PHP Arrays and Control Structures

    Achieved

    May 4, 2017

    PHP Conditionals
  • Achievement

    Database Keys

    Querying Relational Databases

    Achieved

    Apr 29, 2017

    Database Keys
  • Achievement

    Database Normalization

    Querying Relational Databases

    Achieved

    Apr 29, 2017

    Database Normalization
  • Achievement

    PHP on the Web

    PHP Basics

    Achieved

    Apr 28, 2017

    PHP on the Web
  • Achievement

    Daily Exercise Program

    PHP Basics

    Achieved

    Apr 28, 2017

    Daily Exercise Program
  • Achievement

    Unit Converter

    PHP Basics

    Achieved

    Apr 28, 2017

    Unit Converter
  • Achievement

    Getting to Know PHP

    PHP Basics

    Achieved

    Apr 28, 2017

    Getting to Know PHP
  • Achievement

    Introducing JavaScript

    JavaScript Basics (Retired)

    Achieved

    Apr 7, 2017

    Introducing JavaScript
  • Achievement

    Workflows

    Git Basics

    Achieved

    Mar 29, 2017

    Workflows
  • Achievement

    Working With Remote Repositories

    Git Basics

    Achieved

    Mar 29, 2017

    Working With Remote Repositories
  • Achievement

    Merging

    Git Basics

    Achieved

    Mar 29, 2017

    Merging
  • Achievement

    Branches

    Git Basics

    Achieved

    Mar 29, 2017

    Branches
  • Achievement

    Getting Started With Git

    Git Basics

    Achieved

    Mar 29, 2017

    Getting Started With Git
  • Achievement

    Why Version Control Matters

    Git Basics

    Achieved

    Mar 28, 2017

    Why Version Control Matters
  • Achievement

    Quiz Practice Project

    Object-Oriented JavaScript (2015)

    Achieved

    Mar 27, 2017

    Quiz Practice Project
  • Achievement

    ES2015 Basics

    Introducing ES2015

    Achieved

    Mar 17, 2017

    ES2015 Basics
  • Achievement

    Setting Up an Angular Application

    Angular Basics

    Achieved

    Mar 17, 2017

    Setting Up an Angular Application
  • Achievement

    Updating and Uninstalling Packages with npm

    npm Basics (retiring)

    Achieved

    Jan 15, 2017

    Updating and Uninstalling Packages with npm
  • Achievement

    Installing Packages with npm

    npm Basics (retiring)

    Achieved

    Jan 15, 2017

    Installing Packages with npm
  • Achievement

    What is npm?

    npm Basics (retiring)

    Achieved

    Jan 13, 2017

    What is npm?
  • Achievement

    Improving Our Todo App

    AngularJS Basics (1.x)

    Achieved

    Jan 9, 2017

    Improving Our Todo App
  • Achievement

    Services in Angular

    AngularJS Basics (1.x)

    Achieved

    Jan 9, 2017

    Services in Angular
  • Achievement

    Using Angular's Built-in Directives

    AngularJS Basics (1.x)

    Achieved

    Jan 9, 2017

    Using Angular's Built-in Directives
  • Achievement

    Controllers and Scope

    AngularJS Basics (1.x)

    Achieved

    Jan 9, 2017

    Controllers and Scope
  • Achievement

    Getting Started with Angular

    AngularJS Basics (1.x)

    Achieved

    Jan 9, 2017

    Getting Started with Angular
  • Achievement

    Getting the REST You Need

    REST API Basics

    Achieved

    Jan 8, 2017

    Getting the REST You Need
  • Achievement

    Constructor Functions & Prototypes

    Object-Oriented JavaScript (2015)

    Achieved

    Dec 15, 2016

    Constructor Functions & Prototypes
  • Achievement

    Introduction to Methods

    Object-Oriented JavaScript (2015)

    Achieved

    Dec 13, 2016

    Introduction to Methods
  • Achievement

    Ordering, Limiting and Paging Results

    Reporting with SQL

    Achieved

    Dec 10, 2016

    Ordering, Limiting and Paging Results
  • Achievement

    Adding Data to a Database

    Modifying Data with SQL

    Achieved

    Dec 9, 2016

    Adding Data to a Database
  • Achievement

    Handling Errors When Manipulating Data

    Modifying Data with SQL

    Achieved

    Dec 9, 2016

    Handling Errors When Manipulating Data
  • Achievement

    Deleting Data from a Database

    Modifying Data with SQL

    Achieved

    Dec 9, 2016

    Deleting Data from a Database
  • Achievement

    Updating Data in a Database

    Modifying Data with SQL

    Achieved

    Dec 9, 2016

    Updating Data in a Database
  • Achievement

    Finding the Data You Want

    SQL Basics

    Achieved

    Dec 7, 2016

    Finding the Data You Want
  • Achievement

    Getting Data from a Database

    SQL Basics

    Achieved

    Dec 7, 2016

    Getting Data from a Database
  • Achievement

    Data, Databases and SQL

    SQL Basics

    Achieved

    Dec 6, 2016

    Data, Databases and SQL
  • Achievement

    Getting a Handle on the DOM

    JavaScript and the DOM (Retiring)

    Achieved

    Dec 6, 2016

    Getting a Handle on the DOM
  • Achievement

    The Browser Environment

    JavaScript and the DOM (Retiring)

    Achieved

    Dec 6, 2016

    The Browser Environment
  • Achievement

    Global and Product Templates and Hooks

    WooCommerce Theme Development

    Achieved

    Sep 20, 2016

    Global and Product Templates and Hooks
  • Achievement

    Getting Started with WooCommerce Theme Development

    WooCommerce Theme Development

    Achieved

    Sep 19, 2016

    Getting Started with WooCommerce Theme Development
  • Achievement

    Understanding Flexbox

    CSS Flexbox Layout

    Achieved

    Sep 19, 2016

    Understanding Flexbox
  • Achievement

    WordPress Header and Footer Templates

    WordPress Theme Development

    Achieved

    Sep 18, 2016

    WordPress Header and Footer Templates
  • Achievement

    Building Page Templates in WordPress

    WordPress Theme Development

    Achieved

    Sep 18, 2016

    Building Page Templates in WordPress
  • Achievement

    Working with CSS and JS in WordPress Themes

    WordPress Theme Development

    Achieved

    Sep 17, 2016

    Working with CSS and JS in WordPress Themes
  • Achievement

    Starting a WordPress Theme

    WordPress Theme Development

    Achieved

    Sep 17, 2016

    Starting a WordPress Theme
  • Achievement

    Newbie

    Achieved

    Sep 17, 2016

    Newbie