Instant Nokogiri. Learning data scraping and parsing in Ruby using the Nokogiri gem

Hunter Powers, S. Hunter Powers

A wealth of information sits waiting on the Internet. Instant Nokogiri helps you access this information today with Nokogiri, a slick and fast HTML and XML parsing engine. Bundled in an easy-to-use Ruby gem, Nokogiri empowers you to combine disparate data sources and gain an unprecedented insight into your Ruby applications.Instant Nokogiri is a hands-on guide to extracting information from the sources available on the Internet, sources that are not traditionally accessible to developers. You will learn the secrets of identifying content, extracting just the right parts, and incorporating the new data in your Ruby applications.Instant Nokogiri provides step-by-step instructions on how to incorporate the power of the Nokogiri gem and data parsing into your Ruby projects. You will learn all the basics of designing a project around data parsing, exploring disparate data sources, and refining strategies and theories. You will also combine your thoughts in a real-world, real-data sample application. This book will examine common Nokogiri and Ruby methods useful in scraping and parsing complete with practical code samples. You will also learn the secrets behind effective caching, rate limiting, and masking your identity. Instant Nokogiri will teach you how to get targeted data out of HTML and into Ruby, as well as tons of tips, tricks, code snippets, and expert advice.

Django 4 for the Impatient. Learn the core concepts of Python web development with Django in one weekend

Greg Lim, Daniel Correa

Learning Django can be a tricky and time-consuming activity. There are hundreds of tutorials, loads of documentation, and many explanations that are hard to digest. However, this book enables you to use and learn Django in just a couple of days.In this book, you’ll go on a fun, hands-on, and pragmatic journey to learn Django full stack development. You'll start building your first Django app within minutes. You'll be provided with short explanations and a practical approach that cover some of the most important Django features, such as Django Apps’ structure, URLs, views, templates, models, CSS inclusion, image storage, authentication and authorization, Django admin panel, and many more. You'll also use Django to develop a movies review app and deploy it to the internet.By the end of this book, you'll be able to build and deploy your own Django web applications.

Multiplayer Game Development with Unreal Engine 5. Create compelling multiplayer games with C++, Blueprints, and Unreal Engine's networking features

Marco Secchi

If you’re fascinated by the immersive gaming experiences that enable multiple users to engage in collaborative or competitive gameplay, this Unreal Engine 5 game development book is for you.In this book, you’ll learn the foundational principles behind multiplayer games. Starting with a sample project, you’ll learn how to set up a networked system and make it work. Once the prototype of the project is functional, you’ll start adding game logic, including obstacles and AI opponents, to heighten the challenges and engagement, offering a captivating experience for players. Next, you’ll learn how to debug and optimize the project, before finally deploying the game build and integrating it with cloud services such as the Epic Online Services system.By the end of this book, you’ll have the confidence to develop and manage multiplayer experiences using the Unreal Engine environment, taking your newfound programming skills in your upcoming projects.

Managing State in Flutter Pragmatically. Discover how to adopt the best state management approach for scaling your Flutter app

Waleed Arshad

Flutter is a cross-platform user interface (UI) toolkit that enables developers to create beautiful native applications for mobile, desktop, and the web with a single codebase. State management in Flutter is one of the most crucial and complex topics within Flutter, with a wide array of approaches available that can make it easy to get lost due to information overload.Managing State in Flutter Pragmatically is a definitive guide to starting out with Flutter and learning about state management, helping developers with some experience of state management to choose the most appropriate solutions and techniques to use. The book takes a hands-on approach and begins by covering the basics of Flutter state management before exploring how to build and manipulate a shopping cart app using popular approaches such as BLoC/Cubit, Provider, MobX, and Riverpod. Throughout the book, you'll also learn how to adopt approaches from React such as Redux and all its types.By the end of this Flutter book, you'll have gained a holistic view of all the state management approaches in Flutter, and learned which approach is the best solution for managing state in your app development journey.

Essential Guide to LLMOps. Implementing effective strategies for Large Language Models in deployment and continuous improvement

Ryan Doan

The rapid advancements in large language models (LLMs) bring significant challenges in deployment, maintenance, and scalability. This Essential Guide to LLMOps provides practical solutions and strategies to overcome these challenges, ensuring seamless integration and the optimization of LLMs in real-world applications.This book takes you through the historical background, core concepts, and essential tools for data analysis, model development, deployment, maintenance, and governance. You’ll learn how to streamline workflows, enhance efficiency in LLMOps processes, employ LLMOps tools for precise model fine-tuning, and address the critical aspects of model review and governance. You’ll also get to grips with the practices and performance considerations that are necessary for the responsible development and deployment of LLMs. The book equips you with insights into model inference, scalability, and continuous improvement, and shows you how to implement these in real-world applications.By the end of this book, you’ll have learned the nuances of LLMOps, including effective deployment strategies, scalability solutions, and continuous improvement techniques, equipping you to stay ahead in the dynamic world of AI.

CQRS by Example. Master CQRS: Build Efficient and Scalable Systems with Real-World Examples

Carlos Buenosvinos, Christian Soronellas, Keyvan Akbary

This course offers an in-depth exploration of the Command Query Responsibility Segregation (CQRS) pattern, a powerful architecture design that separates read and write operations to achieve greater scalability and performance in software systems. You'll begin by understanding the core principles behind CQRS and why it is essential for handling complex, high-traffic applications. Throughout the course, we’ll work through real-world examples that demonstrate how to apply CQRS to achieve a cleaner and more efficient codebase.Next, we will guide you through the practical aspects of implementing CQRS in a variety of use cases, focusing on how it enhances system maintainability and performance. You'll learn to distinguish between commands and queries effectively, and how to manage data consistency across distributed systems using techniques like event sourcing and eventual consistency.By the end of the course, you will have a comprehensive understanding of CQRS and its benefits. You'll be able to implement it in your own projects, whether you're building new applications or improving legacy systems. With a focus on scalability, maintainability, and performance, this course equips you with the skills needed to take on complex architectural challenges confidently.

Learning GDScript by Developing a Game with Godot 4. A fun introduction to programming in GDScript 2.0 and game development using the Godot Engine

Sander Vanhove

In the digital landscape driven by interactive experiences, the demand for creative individuals with the skills to create captivating games has never been higher. Written by Sander Vanhove, a seasoned game developer with over 20 games to his credit, this book will serve as your entry point into game development, showing you how to leverage the powerful features of the open-source, versatile GDScript 2.0 to develop your ideas, from simple platformers to complex RPGs.Whether you're an aspiring game developer, a hobbyist seeking a creative outlet, or simply someone intrigued by the world of game programming, this book will guide you through the intricacies of the Godot 4 game engine. Starting with a primer on the fundamentals of programming, you’ll cover everything from data to logic, while familiarizing yourself with Godot’s built-in tools such as the physics engine, navigation, and cameras. As you progress, you’ll unlock deeper insights into more advanced tools that will take your programming to the next level. Aided by easy-to-follow step-by-step tutorials, examples, exercises, and experiments, you’ll seamlessly integrate this newfound knowledge to create a Vampire Survivor-like game from scratch.By the end of this book, you’ll have become proficient in leveraging the Godot 4 game engine to bring your gaming visions to life.

Eleventy by Example. Create powerful, performant websites with a static-first strategy

Bryan Robinson

11ty is the dark horse of the Jamstack world, offering unparalleled flexibility and performance that gives it an edge against other static site generators such as Jekyll and Hugo. With it, developers can leverage the complete Node ecosystem and create blazing-fast, static-first websites that can be deployed from a content delivery network or a simple server. This book will teach you how to set up, customize, and make the most of 11ty in no time.Eleventy by Example helps you uncover everything you need to create your first 11ty website before diving into making more complex sites and extending 11ty’s base functionality with custom short codes, plugins, and content types. Over the course of 5 interactive projects, you’ll learn how to build basic websites, blogs, media sites, and static sites that will respond to user input without the need for a server. With these, you’ll learn basic 11ty skills such as templates, collections, and data use, along with advanced skills such as plugin creation, image manipulation, working with a headless CMS, and the use of the powerful 11ty Serverless plugin.By the end of this book, you’ll be well-equipped to leverage the capabilities of 11ty by implementing best practices and reusable techniques that can be applied across multiple projects, reducing the website launch time.