Mastering Blockchain. A technical reference guide to the inner workings of blockchain, from cryptography to DeFi and NFTs - Fourth Edition

Imran Bashir

Blockchain is the backbone of cryptocurrencies, with applications in finance, government, media, and more. With a legacy of providing technologists with executable insights, this new edition of Mastering Blockchain is thoroughly revised and updated according to the latest blockchain research. With new chapters on decentralized finance, decentralized identity, blockchain privacy, scalability, security, and bonus online content exploring alternative blockchains, this is an unmissable read for everyone who wants to gain a deep understanding of blockchain.Although this book covers the basics, including blockchain's technical underpinnings, cryptography, and consensus protocols, it doesn’t shy away from advanced topics and practical expertise, such as decentralized application (DApp) development using smart contracts. Throughout the book, you’ll explore blockchain solutions beyond cryptocurrencies, such as the Internet of Things (IoT) with blockchain, enterprise blockchains, and tokenization, and gain insight into the future scope of this fascinating and disruptive technology.By the end of this blockchain book, you will have gained a thorough understanding of the various facets of blockchain and understand the potential of this technology in diverse real-world scenarios.

Ubuntu Server Essentials. Unleash the true potential of Ubuntu Server in your production environment using this administration guide

Abdelmonam Kouka

Ubuntu is a Debian-based Linux operating system built on top of the Debian architecture. It is used to make operating systems for multiple platforms, including phones, desktops, TVs and mobiles. It has made some serious progress in the realms of efficiency and user friendliness.With evolving technology trends, demands on software have changed, with more and more skilled users. Over the past few years, services such as Facebook, Twitter, and push notifications on smartphones mean that users are used to being up to date with everything that happens all the time. With SignalR, the applications stay connected and will generate notifications when something happens either from the system or by other users. This provides new opportunities for the system administrators, to enter this new and exciting world of real-time application development.This is a concise and a cost-friendly guide, packed with up-to-date essentials on Ubuntu Server fundamentals. It will guide you through deploying and configuring Ubuntu servers in your office environments. You’ll start by installing Ubuntu Server, then move to the most useful aspect —the command-line interface inside it. You’ll extend your knowledge by learning how to administrate and configure Ubuntu Server. You will also see how to deploy services on Ubuntu Server and find out how to secure it. You’ll get to grips with the virtualization and cloud computing facilities provided by Ubuntu, and finally, you’ll gain some very useful tips.

Microsoft Dynamics AX 2012 Reporting Cookbook. There no better way of getting to grips with the Dynamics AX framework than learning by example. This cookbook is packed with recipes for creating and managing reports along with full explanations for complete understanding

Kamalakannan Elangovan

Dynamics AX 2012 is a modern ERP solution from Microsoft that is targeted at the mid-and-high-level organizations. It is seeing an increased rate of adoption due to its tighter integration with the Microsoft technology stack and the flexibility it offers.Microsoft Dynamics AX 2012 Reporting Cookbook focuses mainly on the reporting aspects of Microsoft Dynamics AX 2012. Reports play a very central role in an ERP system being accessible to customers, vendors, top management and the shop floor. Every ERP implementation includes reporting changes as companies try to refit the reports to their standards and processes. As a Dynamics AX developer, reporting skills are a must-have and this book intends to make report development easier and simpler.Microsoft Dynamics AX 2012 Reporting Cookbook deals with the SSRS-based reporting framework introduced with Dynamics AX 2012. It explains the reporting model in detail and offers instruction-led examples to help you understand the nuances involved in developing a report.Throughout this book, you will learn how to build your own reports based on Queries, RDP, and different designs like Auto/Precision designs. You will also gain an understanding of the programmatic flow, which will help you develop reports with confidence. You will find different approaches to debug issues in your reports. The examples offered in this book can be readily used in your real-world scenarios. This book also offers strategies for new reports as well as for migrating your reports from the old reporting framework and development. Report designs like table, matrix, and charts have been discussed with examples. There are also tips, tools and references spread across the book that can hasten your report development process.Overall, this book will guarantee you a deeper understanding of report development in Dynamics AX.

Learn Azure Synapse Data Explorer. A guide to building real-time analytics solutions to unlock log and telemetry data

Pericles (Peri) Rocha

Large volumes of data are generated daily from applications, websites, IoT devices, and other free-text, semi-structured data sources. Azure Synapse Data Explorer helps you collect, store, and analyze such data, and work with other analytical engines, such as Apache Spark, to develop advanced data science projects and maximize the value you extract from data.This book offers a comprehensive view of Azure Synapse Data Explorer, exploring not only the core scenarios of Data Explorer but also how it integrates within Azure Synapse. From data ingestion to data visualization and advanced analytics, you’ll learn to take an end-to-end approach to maximize the value of unstructured data and drive powerful insights using data science capabilities. With real-world usage scenarios, you’ll discover how to identify key projects where Azure Synapse Data Explorer can help you achieve your business goals. Throughout the chapters, you'll also find out how to manage big data as part of a software as a service (SaaS) platform, as well as tune, secure, and serve data to end users.By the end of this book, you’ll have mastered the big data life cycle and you'll be able to implement advanced analytical scenarios from raw telemetry and log data.

Hands-on JavaScript for Python Developers. Leverage your Python knowledge to quickly learn JavaScript and advance your web development career

Sonyl Nagale

Knowledge of Python is a great foundation for learning other languages. This book will help you advance in your software engineering career by leveraging your Python programming skills to learn JavaScript and apply its unique features not only for frontend web development but also for streamlining work on the backend.Starting with the basics of JavaScript, you’ll cover its syntax, its use in the browser, and its frameworks and libraries. From working with user interactions and ingesting data from APIs through to creating APIs with Node.js, this book will help you get up and running with JavaScript using hands-on exercises, code snippets, and detailed descriptions of JavaScript implementation and benefits. To understand the use of JavaScript in the backend, you’ll explore Node.js and discover how it communicates with databases. As you advance, you’ll get to grips with creating your own RESTful APIs and connecting the frontend and backend for holistic full-stack development knowledge.By the end of this Python JavaScript book, you’ll have the knowledge you need to write full-fledged web applications from start to finish. You’ll have also gained hands-on experience of working through several projects, which will help you advance in your career as a JavaScript developer.

PHP Team Development. Easy and effective team work using MVC, agile development, source control, testing, bug tracking, and more

Samisa Abeysinghe

Given the nature of the business environment today, organizations that want to build value-added enterprise PHP applications need a team of PHP people rather than an individual. You've got a team! What next? Customizing such applications to meet with organizational objectives and maintaining these applications over time can be quite a tedious task for your team with so many people involved.In this book, you will explore how you can break up complex PHP projects into simple sub-parts that multiple team members can work on. The book highlights the use of the MVC pattern for separating concerns in the application and agile principles to deliver code that works. You will learn to blend the simplicity and power of PHP with evolving software engineering principles and tools to easily develop code that is easy to maintain. With this book in hand, you know how to avoid getting muddled up while working in a team and achieve success on your project with effective team work.Organizations choose PHP as the preferred language for complex web applications because it is battle tested, hardened over time, and proven to work. Thus, chances of the software project you are involved with being PHP-based, are very high. Soon, you will need to explore the technical as well as non-technical aspects that are important to achieve success in PHP team projects of this kind. This book starts by explaining the need for teams working on complex software projects. You learn how you can divide the complexity of PHP projects with the help of the MVC pattern and the use of frameworks. It then discusses the need for a process and how you can choose the right process. It teaches you how to use agile principles to deliver working software for customers, and how to make sure that the team collaborates effectively. Towards the end, the book emphasizes continuous improvement in process and product as well as the people involved. You learn how to ensure that your team is open to change and user feedback, and has the right mindset about quality and other project-related aspects.

Node.js Web Development. Server-side development with Node 10 made easy - Fourth Edition

David Herron

Node.js is a server-side JavaScript platform using an event-driven, non-blocking I/O model allowing users to build fast and scalable data-intensive applications running in real time. This book gives you an excellent starting point, bringing you straight to the heart of developing web applications with Node.js. You will progress from a rudimentary knowledge of JavaScript and server-side development to being able to create, maintain, deploy and test your own Node.js application.You will understand the importance of transitioning to functions that return Promise objects, and the difference between fs, fs/promises and fs-extra. With this book you'll learn how to use the HTTP Server and Client objects, data storage with both SQL and MongoDB databases, real-time applications with Socket.IO, mobile-first theming with Bootstrap, microservice deployment with Docker, authenticating against third-party services using OAuth, and use some well known tools to beef up security of Express 4.16 applications.

Building Android Games with Cocos2d-x. Learn to create engaging and spectacular games for Android using Cocos2d-x

Raydelto Hernadez, Raydelto Hernandez