Andrei Oprescu

Andrei Oprescu

Poland

9,547

Total Points

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Learn more about when and how points are earned.

Skills & Experience

  • Spoken Languages

    • Romanian
    • English

92 Achievements

  • Achievement

    Organizing Data

    Java Data Structures

    Achieved

    Apr 20, 2019

    Organizing Data
  • Achievement

    Getting There

    Java Data Structures

    Achieved

    Apr 19, 2019

    Getting There
  • Achievement

    Gotchas and Wins

    Java Arrays

    Achieved

    Apr 18, 2019

    Gotchas and Wins
  • Achievement

    Iteration

    Java Arrays

    Achieved

    Apr 17, 2019

    Iteration
  • Achievement

    Creation

    Java Arrays

    Achieved

    Apr 10, 2019

    Creation
  • Achievement

    Delivering the MVP

    Java Objects

    Achieved

    Apr 9, 2019

    Delivering the MVP
  • Achievement

    What To Test

    Unit Testing in C#

    Achieved

    Mar 23, 2019

    What To Test
  • Achievement

    Test Driven Development

    Unit Testing in C#

    Achieved

    Mar 22, 2019

    Test Driven Development
  • Achievement

    Writing Unit Tests

    Unit Testing in C#

    Achieved

    Mar 21, 2019

    Writing Unit Tests
  • Achievement

    Unit Testing

    Unit Testing in C#

    Achieved

    Mar 19, 2019

    Unit Testing
  • Achievement

    Query Builder

    Querying With LINQ

    Achieved

    Mar 14, 2019

    Query Builder
  • Achievement

    Query Operators

    Querying With LINQ

    Achieved

    Mar 11, 2019

    Query Operators
  • Achievement

    Functional!

    Querying With LINQ

    Achieved

    Mar 10, 2019

    Functional!
  • Achievement

    Now You're Querying!

    Querying With LINQ

    Achieved

    Mar 9, 2019

    Now You're Querying!
  • Achievement

    Sets and Dictionaries

    C# Collections

    Achieved

    Feb 20, 2019

    Sets and Dictionaries
  • Achievement

    Lists

    C# Collections

    Achieved

    Feb 18, 2019

    Lists
  • Achievement

    Arrays

    C# Collections

    Achieved

    Feb 15, 2019

    Arrays
  • Achievement

    Data Retreiver

    C# Streams and Data Processing

    Achieved

    Feb 14, 2019

    Data Retreiver
  • Achievement

    Serialized!

    C# Streams and Data Processing

    Achieved

    Feb 12, 2019

    Serialized!
  • Achievement

    Data Parser

    C# Streams and Data Processing

    Achieved

    Feb 7, 2019

    Data Parser
  • Achievement

    Data Reader

    C# Streams and Data Processing

    Achieved

    Jan 28, 2019

    Data Reader
  • Achievement

    Abstraction

    Intermediate C#

    Achieved

    Jan 23, 2019

    Abstraction
  • Achievement

    System.Object

    Intermediate C#

    Achieved

    Jan 20, 2019

    System.Object
  • Achievement

    Polymorphism

    Intermediate C#

    Achieved

    Jan 19, 2019

    Polymorphism
  • Achievement

    Loops and Final Touches

    C# Objects

    Achieved

    Jan 13, 2019

    Loops and Final Touches
  • Achievement

    Encapsulation with Properties

    C# Objects

    Achieved

    Jan 11, 2019

    Encapsulation with Properties
  • Achievement

    Encapsulation and Arrays

    C# Objects

    Achieved

    Jan 9, 2019

    Encapsulation and Arrays
  • Achievement

    Inheritance

    C# Objects

    Achieved

    Jan 8, 2019

    Inheritance
  • Achievement

    Methods

    C# Objects

    Achieved

    Jan 7, 2019

    Methods
  • Achievement

    Object-Oriented Programming

    C# Objects

    Achieved

    Jan 5, 2019

    Object-Oriented Programming
  • Achievement

    Perfect

    C# Basics (Retired)

    Achieved

    Jan 4, 2019

    Perfect
  • Achievement

    Perform

    C# Basics (Retired)

    Achieved

    Jan 4, 2019

    Perform
  • Achievement

    Console I/O

    C# Basics (Retired)

    Achieved

    Jan 4, 2019

    Console I/O
  • Achievement

    Prepare and Plan

    C# Basics (Retired)

    Achieved

    Jan 4, 2019

    Prepare and Plan
  • Achievement

    Character Builder

    Flask Basics

    Achieved

    Jan 2, 2019

    Character Builder
  • Achievement

    Choosing Options

    HTML Forms

    Achieved

    Dec 26, 2018

    Choosing Options
  • Achievement

    Organizing Forms

    HTML Forms

    Achieved

    Dec 23, 2018

    Organizing Forms
  • Achievement

    Form Basics

    HTML Forms

    Achieved

    Dec 21, 2018

    Form Basics
  • Achievement

    Flask Templates

    Flask Basics

    Achieved

    Dec 20, 2018

    Flask Templates
  • Achievement

    Practice Functions

    Practice Creating and Using Functions in Python

    Achieved

    Dec 16, 2018

    Practice Functions
  • Achievement

    Welcome to Flask

    Flask Basics

    Achieved

    Dec 16, 2018

    Welcome to Flask
  • Achievement

    GET and POST Requests in a Browser

    HTTP Basics

    Achieved

    Dec 14, 2018

    GET and POST Requests in a Browser
  • Achievement

    Introduction to HTTP

    HTTP Basics

    Achieved

    Dec 9, 2018

    Introduction to HTTP
  • Achievement

    Adding a New Web Page

    Introduction to HTML and CSS (2016)

    Achieved

    Dec 6, 2018

    Adding a New Web Page
  • Achievement

    Make It Beautiful with CSS

    Introduction to HTML and CSS (2016)

    Achieved

    Dec 3, 2018

    Make It Beautiful with CSS
  • Achievement

    HTML: The Structural Foundation of Web Pages and Applications

    Introduction to HTML and CSS (2016)

    Achieved

    Dec 2, 2018

    HTML: The Structural Foundation of Web Pages and Applications
  • Achievement

    Getting Familiar with HTML and CSS

    Introduction to HTML and CSS (2016)

    Achieved

    Dec 2, 2018

    Getting Familiar with HTML and CSS
  • Achievement

    The Lambda Lambada

    Functional Python

    Achieved

    Nov 30, 2018

    The Lambda Lambada
  • Achievement

    Functional Workhorses

    Functional Python

    Achieved

    Nov 24, 2018

    Functional Workhorses
  • Achievement

    Functional Rules

    Functional Python

    Achieved

    Nov 21, 2018

    Functional Rules
  • Achievement

    Covering Your Bases

    Python Testing

    Achieved

    Nov 1, 2018

    Covering Your Bases
  • Achievement

    Be Assertive!

    Python Testing

    Achieved

    Oct 29, 2018

    Be Assertive!
  • Achievement

    What Is Testing?

    Python Testing

    Achieved

    Oct 24, 2018

    What Is Testing?
  • Achievement

    Gettin' CRUD-y With It

    Using Databases in Python

    Achieved

    Oct 19, 2018

    Gettin' CRUD-y With It
  • Achievement

    Our Diary App

    Using Databases in Python

    Achieved

    Oct 15, 2018

    Our Diary App
  • Achievement

    Meet Peewee

    Using Databases in Python

    Achieved

    Oct 8, 2018

    Meet Peewee
  • Achievement

    Python Regular Expressions

    Regular Expressions in Python

    Achieved

    Oct 2, 2018

    Python Regular Expressions
  • Achievement

    Timezones

    Dates and Times in Python (2014)

    Achieved

    Aug 6, 2018

    Timezones
  • Achievement

    Math Quiz App

    Dates and Times in Python (2014)

    Achieved

    Aug 1, 2018

    Math Quiz App
  • Achievement

    Build an Application

    Introducing Lists

    Achieved

    Jul 15, 2018

    Build an Application
  • Achievement

    Using Lists

    Introducing Lists

    Achieved

    Jul 15, 2018

    Using Lists
  • Achievement

    Meet Lists

    Introducing Lists

    Achieved

    Jul 14, 2018

    Meet Lists
  • Achievement

    All Together Now

    Python Basics

    Achieved

    Jul 14, 2018

    All Together Now
  • Achievement

    Functions and Looping

    Python Basics

    Achieved

    Jul 14, 2018

    Functions and Looping
  • Achievement

    Types and Branching

    Python Basics

    Achieved

    Jul 14, 2018

    Types and Branching
  • Achievement

    Meet Python

    Python Basics

    Achieved

    Jul 14, 2018

    Meet Python
  • Achievement

    Buggy Logs

    Write Better Python

    Achieved

    Jul 13, 2018

    Buggy Logs
  • Achievement

    Cleaner Code

    Write Better Python

    Achieved

    Jul 6, 2018

    Cleaner Code
  • Achievement

    Dungeon Game 2

    Python Collections (2016, retired 2019)

    Achieved

    Jul 3, 2018

    Dungeon Game 2
  • Achievement

    Python Sets

    Python Collections (2016, retired 2019)

    Achieved

    May 17, 2018

    Python Sets
  • Achievement

    Python Tuples

    Python Collections (2016, retired 2019)

    Achieved

    May 7, 2018

    Python Tuples
  • Achievement

    Python Dictionaries

    Python Collections (2016, retired 2019)

    Achieved

    Apr 28, 2018

    Python Dictionaries
  • Achievement

    Python Slices

    Python Collections (2016, retired 2019)

    Achieved

    Apr 19, 2018

    Python Slices
  • Achievement

    Python Lists

    Python Collections (2016, retired 2019)

    Achieved

    Apr 16, 2018

    Python Lists
  • Achievement

    Dice Roller

    Object-Oriented Python

    Achieved

    Mar 30, 2018

    Dice Roller
  • Achievement

    Python: Advanced Objects

    Object-Oriented Python

    Achieved

    Mar 21, 2018

    Python: Advanced Objects
  • Achievement

    Python: Inheritance

    Object-Oriented Python

    Achieved

    Mar 13, 2018

    Python: Inheritance
  • Achievement

    Python: Instant Objects

    Object-Oriented Python

    Achieved

    Mar 5, 2018

    Python: Instant Objects
  • Achievement

    Dates and Times

    Dates and Times in Python (2014)

    Achieved

    Feb 7, 2018

    Dates and Times
  • Achievement

    Letter Game App

    Python Basics (2015)

    Achieved

    Jan 24, 2018

    Letter Game App
  • Achievement

    Number Game App

    Python Basics (2015)

    Achieved

    Jan 19, 2018

    Number Game App
  • Achievement

    Shopping List App

    Python Basics (2015)

    Achieved

    Jan 15, 2018

    Shopping List App
  • Achievement

    Logic in Python

    Python Basics (2015)

    Achieved

    Jan 12, 2018

    Logic in Python
  • Achievement

    Python Data Types

    Python Basics (2015)

    Achieved

    Jan 10, 2018

    Python Data Types
  • Achievement

    Python For Beginners

    Python Basics (2015)

    Achieved

    Jan 4, 2018

    Python For Beginners
  • Achievement

    Creating the MVP

    Java Objects

    Achieved

    Dec 28, 2017

    Creating the MVP
  • Achievement

    Harnessing the Power of Objects

    Java Objects

    Achieved

    Dec 21, 2017

    Harnessing the Power of Objects
  • Achievement

    Meet Objects

    Java Objects

    Achieved

    Dec 18, 2017

    Meet Objects
  • Achievement

    Perfecting the Prototype

    Java Basics

    Achieved

    Dec 17, 2017

    Perfecting the Prototype
  • Achievement

    Using your New Tools

    Java Basics

    Achieved

    Dec 14, 2017

    Using your New Tools
  • Achievement

    Getting Started with Java

    Java Basics

    Achieved

    Dec 13, 2017

    Getting Started with Java
  • Achievement

    Newbie

    Achieved

    Dec 12, 2017

    Newbie