The Fallback
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Solidity Programming Essentials
A comprehensive guide sprinkled with lots of hands-on code samples to get you up and running with Solidity and writing your smart contracts on Blockchain and Ethereum Key Features • Learn proven smart contract implementation challenges and solve them using Solidity • Go deeper into Solidity to write effective upgradable and maintainable smart contracts using best practices • Get to grips with the latest version of Solidity with updated codes and examples Book Description Solidity is a high-level language for writing smart contracts, and the syntax has large similarities with JavaScript, thereby making it easier for developers to learn, design, compile, and deploy smart contracts on large blockchain ecosystems including Ethereum and Polygon among others. This book guides you in understanding Solidity programming from scratch. The book starts with step-by-step instructions for the installation of multiple tools and private blockchain, along with foundational concepts such as variables, data types, and programming constructs. You'll then explore contracts based on an object-oriented paradigm, including the usage of constructors, interfaces, libraries, and abstract contracts. The following chapters help you get to grips with testing and debugging smart contracts. As you advance, you'll learn about advanced concepts like assembly programming, advanced interfaces, usage of recovery, and error handling using try-catch blocks. You'll also explore multiple design patterns for smart contracts alongside developing secure smart contracts, as well as gain a solid understanding of writing upgradable smart concepts and data modeling. Finally, you'll discover how to create your own ERC20 and NFT tokens from scratch. By the end of this book, you will be able to write, deploy, and test smart contracts in Ethereum. What you will learn • Write efficient, effective, and secure smart contracts • Code, compile, and test smart contracts in an object-oriented way • Implement assembly code in Solidity • Adopt upgradable and haltable ownership and security design patterns • Understand exception handling and debugging in Solidity • Create new ERC20 and NFT tokens from the ground up Who this book is for This Ethereum book is primarily aimed at beginners who want to get started with Solidity Programming for developing an Ethereum smart contract. No prior knowledge of EVM is required, but knowing the basics of any programming language will help you follow along.
Contract management in project management and service management - the CATS RVM® methodology
This book describes the CATS RVM methodology that proposes realization and verification management as a way to establish the relationship between contract management and project and service management. The CATS RVM methodology can be applied within public and private organizations, by and for clients and suppliers. Realization and verification management is the realization of the objectives intended with the contract. It does this by proactively realizing and verifying the performance stipulated in the contract during the execution phase of a contract, managing all risks associated with the performance, setting up all delivery processes, coordinating applicable delivery management processes between client and supplier, and preparing for these activities prior to the execution phase. CATS RVM offers a methodical approach to managing contracts in project and service management. It describes the basic principles, the roles, the points of attention for the realization and verification manager in the domains of delivery management and contract management, and the recommended way of working. In addition to a description of the methodology, this book also provides a description of the most common delivery management processes in both service and project management. The CATS RVM methodology is aligned with the best practice contract management methodology CATS CM as described in the book CATS CM® version 4: From working on contracts to contracts that work. However, it can be read completely independently. Where relevant, parts of CATS CM are also described in this book. This book is suitable for anyone involved with purchase and/or sales contracts in the provision of services, products or projects. This includes project managers, service managers, facility managers, those responsible for a technical service, and those responsible for the provision of HR services. This book also contains much useful information for those who work in adjacent domains such as contract management, procurement, sales, risk management, or compliance, and anyone who is responsible for contracts in a more tactical or strategic role.
Web API Cookbook
Author: Joe Attardi
language: en
Publisher: "O'Reilly Media, Inc."
Release Date: 2024-03-21
JavaScript gives web developers great power to create rich interactive browser experiences, and much of that power is provided by the browser itself. Modern web APIs enable web-based applications to come to life like never before, supporting actions that once required browser plug-ins. Some are still in an experimental stage, but many are ready for use today. With this hands-on cookbook, author Joe Attardi helps you explore the powerful APIs available in modern browsers and guides you through the specific tasks that they unlock. Because these features are web standards, there is comprehensive documentation available from trusted resources such as MDN Web Docs. The knowledge you'll gain is transferable across different companies and projects. Learn the breadth of functionality available in modern browser APIs Explore future APIs that are still in an experimental stage Discover newer elements, such as dialog that replaces the need for a third-party library Build more powerful and interactive web applications using native APIs Understand the permissions model used by the browser to unlock functionality such as geolocation and push notifications
