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Hans-Jürgen Schönig
Thanks to its reliability, robustness, and high performance, PostgreSQL has become one of the most advanced open source databases on the market. This updated fourth edition will help you understand PostgreSQL administration and how to build dynamic database solutions for enterprise apps with the latest release of PostgreSQL, including designing both physical and technical aspects of the system architecture with ease.Starting with an introduction to the new features in PostgreSQL 13, this book will guide you in building efficient and fault-tolerant PostgreSQL apps. You’ll explore advanced PostgreSQL features, such as logical replication, database clusters, performance tuning, advanced indexing, monitoring, and user management, to manage and maintain your database. You’ll then work with the PostgreSQL optimizer, configure PostgreSQL for high speed, and move from Oracle to PostgreSQL. The book also covers transactions, locking, and indexes, and shows you how to improve performance with query optimization. You’ll also focus on how to manage network security and work with backups and replication while exploring useful PostgreSQL extensions that optimize the performance of large databases.By the end of this PostgreSQL book, you’ll be able to get the most out of your database by executing advanced administrative tasks.
Jon Hoffman
Over the years, Mastering Swift has proven itself among developers as a popular choice for an in-depth and practical guide to the Swift programming language. This sixth edition comes with the latest features, an overall revision to align with Swift 5.3, and two new chapters on building swift from source and advanced operators.From the basics of the language to popular features such as concurrency, generics, and memory management, this in-depth guide will help you develop your expertise and mastery of the language.As you progress, you will gain practical insights into some of the most sophisticated elements in Swift development, including protocol extensions, error handling, and closures. The book will also show you how to use and apply them in your own projects. In later chapters, you will understand how to use the power of protocol-oriented programming to write flexible and easier-to-manage code in Swift. Finally, you will learn how to add the copy-on-write feature to your custom value types, along with understanding how to avoid memory management issues caused by strong reference cycles.By the end of this Swift book, you will have mastered the Swift 5.3 language and developed the skills you need to effectively use its features to build robust applications.
Nitin Gaur, Anthony O'Dowd, Petr Novotny, Luc...
Blockchain with Hyperledger Fabric - Second Edition is a refreshed and extended version of the successful book on practical Hyperledger Fabric blockchain development. This edition includes many new chapters, alongside comprehensive updates and additions to the existing ones. Entirely reworked for Hyperledger Fabric version 2, this edition will bring you right up to date with the latest in blockchain. Using a real-world Trade Finance and Logistics example, with working code available on GitHub, you’ll really understand both how and why Hyperledger Fabric can be used to maximum effect. This book is your comprehensive guide and reference to explore and build blockchain networks using Hyperledger Fabric version 2.This edition of the book begins by outlining the evolution of blockchain, including an overview of relevant blockchain technologies. Starting from first principles, you’ll learn how to design and operate a permissioned blockchain network based on Hyperledger Fabric version 2. You will learn how to configure the main architectural components of a permissioned blockchain network including Peers, Orderers, Certificate Authorities, Channels, and Policies. You’ll then learn how to design, develop, package, and deploy smart contracts, and how they are subsequently used by applications. This edition also contains chapters on DevOps, blockchain governance, and security, making this your go-to book for Hyperledger Fabric version 2.
Parth Gajjar, Alexandre Fayolle, Holger Brunn, Daniel...
With its latest iteration, the powerful Odoo framework released a wide variety of features for rapid application development. This updated Odoo development cookbook will help you explore the new features in Odoo 14 and learn how to use them to develop Odoo applications from scratch. You'll learn about the new website concepts in Odoo 14 and get a glimpse of Odoo's new web-client framework, the Odoo Web Library (OWL).Once you've completed the installation, you'll begin to explore the Odoo framework with real-world examples. You'll then create a new Odoo module from the ground up and progress to advanced framework concepts. You'll also learn how to modify existing applications, including Point of Sale (POS) applications. This book isn't just limited to backend development; you'll discover advanced JavaScript recipes for creating new views and widgets. As you progress, you'll learn about website development and become a quality Odoo developer by studying performance optimization, debugging, and automated testing. Finally, you'll delve into advanced concepts such as multi-website, In-App Purchasing (IAP), Odoo.sh, the IoT Box, and security.By the end of the book, you'll have all the knowledge you need to build impressive Odoo applications and you'll be well versed in development best practices that will come in handy when working with the Odoo framework.
Gabriel Baptista, Francesco Abbruzzese
Software architecture is the practice of implementing structures and systems that streamline the software development process and improve the quality of an app. This fully revised and expanded second edition, featuring the latest features of .NET 5 and C# 9, enables you to acquire the key skills, knowledge, and best practices required to become an effective software architect.This second edition features additional explanation of the principles of Software architecture, including new chapters on Azure Service Fabric, Kubernetes, and Blazor. It also includes more discussion on security, microservices, and DevOps, including GitHub deployments for the software development cycle.You will begin by understanding how to transform user requirements into architectural needs and exploring the differences between functional and non-functional requirements. Next, you will explore how to carefully choose a cloud solution for your infrastructure, along with the factors that will help you manage your app in a cloud-based environment.Finally, you will discover software design patterns and various software approaches that will allow you to solve common problems faced during development.By the end of this book, you will be able to build and deliver highly scalable enterprise-ready apps that meet your organization’s business requirements.
Jay LaCroix
Ubuntu Server has taken data centers around the world by storm. Whether you're deploying Ubuntu for a large-scale project or for a small office, it is a stable, customizable, and powerful Linux distribution with innovative and cutting-edge features. For both simple and complex server deployments, Ubuntu's flexible nature can be easily adapted to meet to the needs of your organization.This third edition is updated to cover the advancements of Ubuntu 20.04 LTS and further train you to understand how to use Ubuntu Server, from initial deployment to creating production-ready resources for your network. The book begins with the concepts of user management, group management, and file system permissions. Continuing into managing storage volumes, you will learn how to format storage devices, utilize logical volume management, and monitor disk usage. Later, you will learn how to virtualize hosts and applications, which will include setting up QEMU & KVM, as well as containerization with both Docker and LXD. As the book continues, you will learn how to automate configuration with Ansible, as well as take a look at writing scripts. Lastly, you will explore best practices and troubleshooting techniques when working with Ubuntu Server that are applicable to real-world scenarios.By the end of this Ubuntu Server book, you will be well-versed in Ubuntu server’s advanced concepts and attain the required proficiency needed for Ubuntu Server administration.
Robin Nichols
Managing thousands of images while producing perfectly edited results is now a must-have skill for online bloggers, influencers, vloggers, social media users, and photography enthusiasts. Photoshop Elements helps you to manage this easily and boost your creative output.This third edition is updated with Elements 2021’s latest features and focuses on Adobe's AI-powered features along with the entire creative workflow. Each chapter is designed to help you get the most out of your image files in an easy way. You’ll learn how to add significant visual improvements to your work using no more than a few one-click edits with AI-driven features and manual adjustments. The book is filled with useful instructions to guide you seamlessly through the often complex processes, tools, and features in Photoshop Elements. Finally, you’ll cover everything from developing your organizational skills through to creating remarkable special effects, complex text, image combinations, and eye-popping visual techniques using both AI-driven features as well as manually operated tools.By the end of this Photoshop Elements book, you'll have learned how to leverage the impressive tools available in Photoshop Elements 2021, and use them to greatly improve your photo editing and image retouching skills.
Sven Vermeulen
Linux is a dominant player in many organizations and in the cloud. Securing the Linux environment is extremely important for any organization, and Security-Enhanced Linux (SELinux) acts as an additional layer to Linux system security. SELinux System Administration covers basic SELinux concepts and shows you how to enhance Linux system protection measures. You will get to grips with SELinux and understand how it is integrated. As you progress, you’ll get hands-on experience of tuning and configuring SELinux and integrating it into day-to-day administration tasks such as user management, network management, and application maintenance. Platforms such as Kubernetes, system services like systemd, and virtualization solutions like libvirt and Xen, all of which offer SELinux-specific controls, will be explained effectively so that you understand how to apply and configure SELinux within these applications. If applications do not exert the expected behavior, you’ll learn how to fine-tune policies to securely host these applications. In case no policies exist, the book will guide you through developing custom policies on your own.By the end of this Linux book, you’ll be able to harden any Linux system using SELinux to suit your needs and fine-tune existing policies and develop custom ones to protect any app and service running on your Linux systems.
Ahmad Sahar
If you're looking to work and experiment with powerful iOS 14 features such as widgets and App Clips to create your own apps, this iOS programming guide is for you. The book offers a comprehensive introduction for experienced programmers who are new to iOS, taking you through the entire process of learning the Swift language, writing your own apps, and publishing them on the App Store.Fully updated to cover the new iOS 14 features, along with Xcode 12 and Swift 5.3, this fifth edition of iOS 14 Programming for Beginners starts with an introduction to the Swift programming language and shows you how to accomplish common programming tasks with it. You'll then start building the user interface (UI) of a complete real-world app using the storyboards feature in the latest version of Xcode and implement the code for views, view controllers, data managers, and other aspects of mobile apps. The book will also help you apply iOS 14 features to existing apps and introduce you to SwiftUI, a new way to build apps for all Apple devices. Finally, you’ll set up testers for your app and understand what you need to do to publish your app on the App Store.By the end of this book, you'll not only be well versed in writing and publishing applications, but you’ll also be able to apply your iOS development skills to enhance existing apps.
Bethany Griggs
A key technology for building web applications and tooling, Node.js brings JavaScript to the server enabling full-stack development in a common language. This fourth edition of the Node Cookbook is updated with the latest Node.js features and the evolution of the Node.js framework ecosystems.This practical guide will help you to get started with creating, debugging, and deploying your Node.js applications and cover solutions to common problems, along with tips to avoid pitfalls. You'll become familiar with the Node.js development model by learning how to handle files and build simple web applications and then explore established and emerging Node.js web frameworks such as Express.js and Fastify. As you advance, you'll discover techniques for detecting problems in your applications, handling security concerns, and deploying your applications to the cloud. This recipe-based guide will help you to easily navigate through various core topics of server-side web application development with Node.js.By the end of this Node book, you'll be well-versed with core Node.js concepts and have gained the knowledge to start building performant and scalable Node.js applications.
David Herron
Node.js is the leading choice of server-side web development platform, enabling developers to use the same tools and paradigms for both server-side and client-side software. This updated fifth edition of Node.js Web Development focuses on the new features of Node.js 14, Express 4.x, and ECMAScript, taking you through modern concepts, techniques, and best practices for using Node.js.The book starts by helping you get to grips with the concepts of building server-side web apps with Node.js. You’ll learn how to develop a complete Node.js web app, with a backend database tier to help you explore several databases. You'll deploy the app to real web servers, including a cloud hosting platform built on AWS EC2 using Terraform and Docker Swarm, while integrating other tools such as Redis and NGINX. As you advance, you'll learn about unit and functional testing, along with deploying test infrastructure using Docker. Finally, you'll discover how to harden Node.js app security, use Let's Encrypt to provision the HTTPS service, and implement several forms of app security with the help of expert practices. With each chapter, the book will help you put your knowledge into practice throughout the entire life cycle of developing a web app.By the end of this Node.js book, you’ll have gained practical Node.js web development knowledge and be able to build and deploy your own apps on a public web hosting solution.
Daniel Sipos, Antonio De Marco
With its latest release, Drupal 9, the popular open source CMS platform has been updated with new functionalities for building complex Drupal apps with ease. This third edition of the Drupal Module Development guide covers these new Drupal features, helping you to stay on top of code deprecations and the changing architecture with every release.The book starts by introducing you to the Drupal 9 architecture and its subsystems before showing you how to create your first module with basic functionality. You’ll explore the Drupal logging and mailing systems, learn how to output data using the theme layer, and work with menus and links programmatically. Once you’ve understood the different kinds of data storage, this Drupal guide will demonstrate how to create custom entities and field types and leverage the Database API for lower-level database queries. You’ll also learn how to introduce JavaScript into your module, work with various file systems, and ensure that your code works on multilingual sites. Finally, you’ll work with Views, create automated tests for your functionality, and write secure code.By the end of the book, you’ll have learned how to develop custom modules that can provide solutions to complex business problems, and who knows, maybe you’ll even contribute to the Drupal community!
Ian Neil
The CompTIA Security+ certification validates the fundamental knowledge required to perform core security functions and pursue a career in IT security. Authored by Ian Neil, a world-class CompTIA certification trainer, this book is a best-in-class study guide that fully covers the CompTIA Security+ 601 exam objectives.Complete with chapter review questions, realistic mock exams, and worked solutions, this guide will help you master the core concepts to pass the exam the first time you take it. With the help of relevant examples, you'll learn fundamental security concepts from certificates and encryption to identity and access management (IAM). As you progress, you'll delve into the important domains of the exam, including cloud security, threats, attacks and vulnerabilities, technologies and tools, architecture and design, risk management, cryptography, and public key infrastructure (PKI).You can access extra practice materials, including flashcards, performance-based questions, practical labs, mock exams, key terms glossary, and exam tips on the author's website at securityplus.training.By the end of this Security+ book, you'll have gained the knowledge and understanding to take the CompTIA exam with confidence.
Mark J. Price
In C# 9 and .NET 5 – Modern Cross-Platform Development, Fifth Edition, expert teacher Mark J. Price gives you everything you need to start programming C# applications.This latest edition uses the popular Visual Studio Code editor to work across all major operating systems. It is fully updated and expanded with a new chapter on the Microsoft Blazor framework.The book’s first part teaches the fundamentals of C#, including object-oriented programming and new C# 9 features such as top-level programs, target-typed new object instantiation, and immutable types using the record keyword. Part 2 covers the .NET APIs, for performing tasks like managing and querying data, monitoring and improving performance, and working with the file system, async streams, serialization, and encryption. Part 3 provides examples of cross-platform apps you can build and deploy, such as websites and services using ASP.NET Core or mobile apps using Xamarin.Forms. The best type of application for learning the C# language constructs and many of the .NET libraries is one that does not distract with unnecessary application code. For that reason, the C# and .NET topics covered in Chapters 1 to 13 feature console applications. In Chapters 14 to 20, having mastered the basics of the language and libraries, you will build practical applications using ASP.NET Core, Model-View-Controller (MVC), and Blazor.By the end of the book, you will have acquired the understanding and skills you need to use C# 9 and .NET 5 to create websites, services, and mobile apps.
Harrison Ferrone
Over the years, the Learning C# by Developing Games with Unity series has established itself as a popular choice for getting up to speed with C#, a powerful and versatile programming language that can be applied in a wide array of application areas. This book presents a clear path for learning C# programming from the ground up without complex jargon or unclear programming logic, all while building a simple game with Unity.This fifth edition has been updated to introduce modern C# features with the latest version of the Unity game engine, and a new chapter has been added on intermediate collection types. Starting with the basics of software programming and the C# language, you’ll learn the core concepts of programming in C#, including variables, classes, and object-oriented programming. Once you’ve got to grips with C# programming, you’ll enter the world of Unity game development and discover how you can create C# scripts for simple game mechanics. Throughout the book, you’ll gain hands-on experience with programming best practices to help you take your Unity and C# skills to the next level.By the end of this book, you’ll be able to leverage the C# language to build your own real-world Unity game development projects.
The Sign of the Four. Illustrated Edition
Arthur Conan Doyle
Illustrated edition with original illustrations by Richard Gutschmidt, a famous German painter, book illustrator and graphic artist. The Sign of the Four is the second novel featuring Sherlock Holmes written by Sir Arthur Conan Doyle. The Sign of the Four is an incredible story of greed and revenge in which the worlds most famous detective Sherlock Holmes and Dr. John Watson accompany a beautiful young woman Mary Morstan on a mission that leads to a terrifying, one-legged man in the dark heart of London. A thrilling experience for legions of Sherlock Holmes fans.
A Study in Scarlet. Illustrated Edition
Arthur Conan Doyle
Illustrated edition with original illustrations by Richard Gutschmidt, a famous German painter, book illustrator and graphic artist. A Study in Scarlet is the first Sherlock Holmes book written by Sir Arthur Conan Doyle. Dr John H. Watson meets the great detective Sherlock Holmes and together they solve a case of murder, in which Watson is amazed at Holmes science of deduction. The only clues are a wedding ring, a gold watch, a pocket edition of Boccaccios Decameron, and a word scrawled in blood on the wall.
The Adventures of Sherlock Holmes. Illustrated Edition
Arthur Conan Doyle
Illustrated edition with original illustrations by Sidney Edward Paget, a famous British illustrator, best known for his illustrations that accompanied Arthur Conan Doyles Sherlock Holmes stories in The Strand magazine. The Adventures of Sherlock Holmes is a collection of twelve short stories by Arthur Conan Doyle, featuring his fictional detective Sherlock Holmes. All of the stories are told in a first-person narrative from the point of view of Dr. John H. Watson, Holmes friend, assistant and sometime flatmate.
The Return of Sherlock Holmes. Illustrated Edition
Arthur Conan Doyle
Illustrated edition with original illustrations by Sidney Edward Paget, a famous British illustrator, best known for his illustrations that accompanied Arthur Conan Doyles Sherlock Holmes stories in The Strand magazine. The Return of Sherlock Holmes is a collection of thirteen short stories by Arthur Conan Doyle, featuring his fictional detective Sherlock Holmes. All of the stories are told in a first-person narrative from the point of view of Dr. John H. Watson, Holmes friend, assistant and sometime flatmate.
The Case-Book of Sherlock Holmes. Illustrated Edition
Arthur Conan Doyle
Illustrated edition with original illustrations by Alfred Gilbert. The Case-Book of Sherlock Holmes is the final set of twelve Sherlock Holmes short stories (56 in total) by Arthur Conan Doyle. Holmes and Dr. Watson solve the mysteries of the disappearance of Lady Frances Carfax, Thor Bridge, Shoscombe Old Place, the Boscombe Valley, an illustrious client and a creeping man.
His Last Bow. Illustrated edition
Arthur Conan Doyle
Illustrated edition with almost 40 original illustrations by Alfred Gilbert, Gilbert Holiday, Sidney Paget, Walter Paget and Arthur Twidle. His Last Bow (also known as The Reminiscence of Sherlock Holmes) contains eight stories by Arthur Conan Doyle, including the titular short story, His Last Bow. An Epilogue of Sherlock Holmes. Edition contains a brief preface, by John H. Watson, M.D., that assures readers that as of the date of publication, Holmes is long retired from his profession of detective but is still alive and well, albeit suffering from a touch of rheumatism.
The Hound of the Baskervilles. Illustrated Edition
Arthur Conan Doyle
Holmes and Watson are faced with their most terrifying case yet. The legend of the devil-beast that haunts the moors around the Baskerville families home warns the descendants of that ancient clan never to venture out in those dark hours when the power of evil is exalted. Now, the most recent Baskerville, Sir Charles, is dead and the footprints of a giant hound have been found near his body. Will the new heir meet the same fate in The Hound of the Baskervilles ?
The Memoirs of Sherlock Holmes. Illustrated Edition
Arthur Conan Doyle
Illustrated edition with original illustrations by Sidney Edward Paget, a famous British illustrator, best known for his illustrations that accompanied Arthur Conan Doyles Sherlock Holmes stories in The Strand magazine. The Memoirs of Sherlock Holmes is a collection of eleven Sherlock Holmes stories by Arthur Conan Doyle. Holmes, his friend Watson (or his brother Mycroft) work to solve the mysteries of three gables, the dying detective, a golden pince-nez, the red circle, a mazarin stone, and a cardboard box.
The Valley of Fear. Illustrated Edition
Arthur Conan Doyle
The Valley of Fear is the fourth and final Sherlock Holmes novel by Sir Arthur Conan Doyle. Sherlock Holmes receives a message from Fred Porlock, an agent to Professor Moriarty. Moriarty is blameless in the eyes of the law but Holmes knows him to be the controlling brain of the underworld. Together Holmes and Watson decipher Porlocks message as indicating that a man named John Douglas residing at Birlstone is in danger...