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Building Web3 Decentralized Apps in Ethereum Suggested prerequisites Familiarity with JavaScript and React Comfortable with command-line interfaces Familiarity working in IDEs Blockchain and cryptocurrency technology has exploded in recent years, and the types of things you can now do with...

Node.js: Testing and Code Quality Most software engineers would agree that clean code is easier to maintain than messy code, but what exactly does that look like, and how do go about cleaning up messy code? In this course, Jon Peck shows how to measure quality, implement testing, and measure...

Advanced Selenium: 3 Synchronization Strategies One of the most common issues associated with automating GUI applications is flakiness: when sometimes a test works, but sometimes it fails—even though neither the application nor the test changed. One of the most common causes of intermittent...

React: Authentication User authentication is a critical part of virtually every website, yet few web developers know all the details behind how it works and how to use it to provide a good user experience. In this course, instructor Shaun Wassell dives into the details behind user...

React: Server-Side Rendering Server-side rendering lets you optimize your applications to use client or server resources depending on network and device circumstances. Old device on a slow network? Render on the server. New device, fast network? You should probably let the client do the work...

React: Software Architecture Many React developers have intimate knowledge of the React API itself, but little familiarity with how to create real-world apps on a larger scale while dealing with various stakeholders. The heavy demands on web apps both from a customer and managerial perspective...

React: Design Patterns If you’ve learned the basics of React and have worked on many React applications, chances are you’ve run into some recurring problems and situations, like creating reusable layouts or working with forms. If you’ve been on the hunt for solutions to common problems, look no...

Introduction to NFTs: Non-fungible Tokens NFTs (non-fungible tokens) enable people to sell digital items like music, art, photos, and more. Creators are interested in NFTs as a way to protect and monetize their original work—and collectors are buying. The NFT model will have a dramatic effect...

Building an Ethereum Blockchain App: 11 Integrating Non-Blockchain Apps Have you wondered how blockchain can help you create applications that offer greater transparency, traceability, efficiency, and resilience while lowering your costs? This course, last in a series of eleven, shows you how...

Building an Ethereum Blockchain App: 10 Deployment and Maintenance Have you wondered how blockchain can help you create applications that offer greater transparency, traceability, efficiency, and resilience while lowering your costs? This course, tenth in a series of eleven, shows you how to...

Building an Ethereum Blockchain App: 9 Testing Ethereum Apps Have you wondered how blockchain can help you create applications that offer greater transparency, traceability, efficiency, and resilience while lowering your costs? This course, ninth in a series of eleven, shows you the tools and...

Building an Ethereum Blockchain App: 8 Supply Chain Smart Contract dApp Have you wondered how blockchain can help you create applications that offer greater transparency, traceability, efficiency, and resilience while lowering your costs? This course, eighth in a series of eleven, steps through...

Building an Ethereum Blockchain App: 7 Smart Contracts Have you wondered how blockchain can help you create applications that offer greater transparency, traceability, efficiency, and resilience while lowering your costs? This course, seventh in a series of eleven, goes in-depth on smart...

Building an Ethereum Blockchain App: 6 Building Your First Ethereum App Have you wondered how blockchain can help you create applications that offer greater transparency, traceability, efficiency, and resilience while lowering your costs? This course, sixth in a series of eleven, walks you...

Building an Ethereum Blockchain App: 5 Your Ethereum Wallet Have you wondered how blockchain can help you create applications that offer greater transparency, traceability, efficiency, and resilience while lowering your costs? This course, fifth in a series of eleven, goes in-depth on how to...

Building an Ethereum Blockchain App: 4 Ethereum Development Have you wondered how blockchain can help you create applications that offer greater transparency, traceability, efficiency, and resilience while lowering your costs? This course, fourth in a series of eleven, goes in-depth on the...

Building an Ethereum Blockchain App: 3 Ethereum Development, 2021 Have you wondered how blockchain can help you create applications that offer greater transparency, traceability, efficiency, and resilience while lowering your costs? This course, third in a series of eleven, introduces you to...

Building an Ethereum Blockchain App: 2 Introduction to Ethereum, 2021 Have you wondered how blockchain can help you create applications that offer greater transparency, traceability, efficiency, and resilience while lowering your costs? This course, second in a series of eleven, introduces you...

Building an Ethereum Blockchain App: 1 Introduction to Blockchain What is blockchain technology, and where did it come from? Why are other people using it, and what can it do for you? This series of eleven courses introduces blockchain technologies and deep dives into Ethereum development. In...

Unit Testing in Django Tests are at the heart of modern software development, and testing is a skill that should be as basic as building the applications. In this course, Leticia Portella uses an untested Django application to teach you about the tools and good practices of writing tests...