Andrei Olar

Andrei Olar

Timisoara
Open to Work

20,827

Total Points

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Skills & Experience

  • Company

    IBM

  • Job Title

    Application Developer

  • Spoken Languages

    • Roumanian
    • German
    • English

260 Achievements

  • Putting it all Together
  • Actions, Dispatch and Reducers. Oh my!
  • Modularizing the React Scoreboard Application
  • Getting Started with Redux
  • Going Further with Routing
  • Navigating, Nesting and Redirecting Routes
  • Getting Started with React Router
  • Refining the App
  • Building the Application
  • Setting up with Create React App
  • Component Lifecycle
  • Designing Dataflow
  • Stateful Components
  • Thinking in Components
  • First Steps in React
  • Using the Discovery Service
  • Using the Conversation Service
  • Introducing the Watson APIs
  • Go Concurrency Overview
  • Go Custom Types Overview
  • Go Data Structures Overview
  • Go Flow Control Overview
  • Go Syntax Overview
  • Angular Form Validation
  • Angular Basic Forms
  • Services in Angular
  • Angular Components
  • Setting Up an Angular Application
  • Dockerize a Web App
  • Managing Images and Containers
  • Building Images Using Dockerfiles
  • Fundamentals of Docker
  • Docker Use Cases
  • Next Steps
  • Improving Our Tests
  • Behavior Driven Development with Mocha & Chai
  • Introducing Unit Testing
  • Exploring Best Practices
  • Test Drive
  • Meet Selenium
  • Completing and Testing the API
  • Communicating with Mongo Through Mongoose
  • Modeling Data for the API
  • Building API Routes in Express
  • Building a REST Service
  • Exploration
  • Discovery
  • Express Middleware
  • Sessions and Cookies
  • User Registration and Login
  • Higher Order Functions
  • Scala Collections
  • Functional Programming with Scala
  • What is Authentication?
  • Go Further With Mongo
  • Working With Collections
  • Understanding MongoDB
  • Getting Started with MongoDB
  • Serving Static Files in Express
  • Applying Express Knowledge
  • Middleware
  • Deeper into Routing with Express
  • Using Templates with Express
  • Getting Started with Express
  • Improving your Gulp Workflow
  • Compile Sass with Gulp
  • Gulp your JavaScript workflow!
  • Welcome to Gulp.js
  • Updating and Uninstalling Packages with npm
  • Installing Packages with npm
  • What is npm?
  • HTTP Methods and Headers
  • Creating a Basic Template Engine in Node.js
  • Handling Routes in Node.js
  • Creating a Simple Server in Node.js
  • Creating a Command Line Weather Application
  • Handling Errors in Node
  • Getting Data From an API With Node
  • Introduction to Node.js
  • Classes
  • Objects and New Collection Types
  • The Cooler Parts of ES2015
  • ES2015 Basics
  • Quiz Practice Project
  • Prototypal Inheritance
  • Constructor Functions & Prototypes
  • Introduction to Methods
  • Using a jQuery Carousel
  • Add a Sticky Navigation Bar
  • Introducing jQuery Plugins
  • DOM Traversal
  • DOM Manipulation
  • Events
  • Assets and Game Objects
  • Hello, jQuery!
  • Improving the Application Code
  • Editing and Filtering Names
  • Adding and Removing Names
  • Traversing the DOM
  • Responding to User Interaction
  • Making Changes to the DOM
  • Getting a Handle on the DOM
  • The Browser Environment
  • The 3D Views
  • Build and Share a Unity Game
  • Game Audio
  • Score, Enemies, and Game State
  • Pickups
  • Player Input and Cameras
  • The Unity Editor and Scene Setup
  • Introduction to Video Games
  • Building Forms with Bootstrap
  • Using Bootstrap Components
  • Responsive Layouts with the Bootstrap Grid
  • Getting to Know Bootstrap 4
  • Getting the REST You Need
  • File Uploads and Entity Updates in Spring + Hibernate
  • User Messages in Spring
  • Getting Started with CRUD in Spring + Hibernate
  • Data-Driven Application Design
  • Integrating Hibernate with Spring
  • Persisting Data with Hibernate
  • Getting Started with Hibernate
  • Data Persistence & ORMs
  • Handling Errors When Manipulating Data
  • Deleting Data from a Database
  • Updating Data in a Database
  • Adding Data to a Database
  • Finding the Data You Want
  • Getting Data from a Database
  • Data, Databases and SQL
  • Using the MVC Architecture with Spring
  • Modeling, Storing, and Presenting Data with Spring
  • Creating Spring Controllers and Thymeleaf Views
  • Spring Components and Configuring Our App
  • Setting Up Your Local Environment for Spring Development
  • Writing Your Own Java Annotation
  • Using Java's Built-In Annotations
  • Bells and Whistles
  • Diving into Web Development
  • GET and POST Requests in a Browser
  • Introduction to HTTP
  • Adding a New Web Page
  • Make It Beautiful with CSS
  • HTML: The Structural Foundation of Web Pages and Applications
  • Getting Familiar with HTML and CSS
  • Event Planning
  • Build a Pomodoro App
  • Design a Better App
  • Graphical User Interfaces
  • IDE Exploration
  • How it Works
  • Efficiency!
  • Exploring the Java Collections Framework
  • Organizing Data
  • Getting There
  • Scrum Artifacts
  • Scrum Events
  • Introducing Scrum
  • What is Agile?
  • Delivering the MVP
  • Creating the MVP
  • Harnessing the Power of Objects
  • Meet Objects
  • Perfecting the Prototype
  • Using your New Tools
  • Getting Started with Java
  • Threads in Android
  • The Project
  • Introducing SharedPreferences
  • The Activity Lifecycle
  • Acting on List Item Taps
  • Lists with RecyclerViews
  • Using Parcelable Data
  • Custom ListViews
  • Standard ListViews
  • Updating the Data Model
  • Hooking up the Model to the View
  • Building the Weather UI
  • Working with JSON
  • Concurrency and Error Handling
  • Networking
  • Exploring an API
  • Finishing the User Interface
  • The Model-View-Controller Pattern
  • Intents and Multiple Activities
  • User Input
  • Testing and Debugging
  • Improving Our Code
  • Basic Android Programming
  • Creating the Screen Layout
  • Getting Started with Android
  • PHP Loops
  • PHP Conditionals
  • PHP Datatypes
  • PHP Data & Structure
  • PHP Getting Started
  • Installing Programs
  • Environment and Redirection
  • Console Processes
  • Console Users and Permission
  • Moving Around in the Console
  • Chrome DevTools Basics
  • Web Apps
  • Websites
  • Introduction
  • AJAX and APIs
  • jQuery and AJAX
  • Programming AJAX
  • AJAX Concepts
  • Responsive Patterns
  • Media Queries
  • Responsive Theory
  • Custom Media Players
  • Captioning Video
  • Media Basics
  • Traversing and Manipulating the DOM with JavaScript
  • Selecting Elements and Adding Events with JavaScript
  • JavaScript and the DOM
  • Structuring Tables
  • Table Basics
  • 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
  • JavaScript Objects
  • JavaScript Arrays
  • JavaScript Loops
  • Choosing Options
  • Organizing Forms
  • Form Basics
  • JavaScript Functions
  • JavaScript Conditional Statements
  • JavaScript Numbers
  • JavaScript Variables
  • Introducing JavaScript
  • Functions
  • Objects and Arrays
  • Control Structures
  • Basics
  • Fundamental Concepts
  • Designing with the Latest Features
  • Basic Layout
  • The Box Model
  • Understanding Values and Units
  • Basic Selectors
  • Getting Started with CSS
  • 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