Socket.IO Cookbook. Over 40 recipes to help you create real-time JavaScript applications using the robust Socket.IO framework

Tyson Cadenhead

Socket.IO is a JavaScript library that provides you with the ability to implement real-time analytics, binary streaming, instant messaging, and document collaboration. It has two parts: a client-side library that runs in the browser, and a server-side library for node.js. Socket.IO is event-driven and primarily uses the WebSocket protocol that allows us to emit data bi-directionally from the server and the client. Socket.IO This book is a complete resource, covering topics from webSocket security to scaling the server-side of a Socket.IO application and everything in between.This book will provide real-world examples of how secure bi-directional, full-duplex connections that can be created using Socket.IO for different environments. It will also explain how the connection vulnerabilities can be resolved for large numbers of users and huge amounts of data/messages.By the end of the book, you will be a competent Socket.IO developer. With the help of the examples and real-world solutions,you will learn to create fast, scalable, and dynamic real-time apps by creating efficient messaging systems between the server side and the client side using Socket.IO.

Software Architecture with C# 12 and .NET 8. Build enterprise applications using microservices, DevOps, EF Core, and design patterns for Azure - Fourth Edition

Gabriel Baptista, Francesco Abbruzzese

Software Architecture with C# 12 and .NET 8 puts high-level design theory to work in a .NET context, teaching you the key skills, technologies, and best practices required to become an effective .NET software architect.This fourth edition puts emphasis on a case study that will bring your skills to life. You’ll learn how to choose between different architectures and technologies at each level of the stack. You’ll take an even closer look at Blazor and explore OpenTelemetry for observability, as well as a more practical dive into preparing .NET microservices for Kubernetes integration.Divided into three parts, this book starts with the fundamentals of software architecture, covering C# best practices, software domains, design patterns, DevOps principles for CI/CD, and more. The second part focuses on the technologies, from choosing data storage in the cloud to implementing frontend microservices and working with Serverless. You’ll learn about the main communication technologies used in microservices, such as REST API, gRPC, Azure Service Bus, and RabbitMQ. The final part takes you through a real-world case study where you’ll create software architecture for a travel agency.By the end of this book, you will be able to transform user requirements into technical needs and deliver highly scalable enterprise software architectures.

Solidity Programming Essentials. A beginner's guide to build smart contracts for Ethereum and blockchain

Ritesh Modi

Solidity is a contract-oriented language whose syntax is highly influenced by JavaScript, and is designed to compile code for the Ethereum Virtual Machine. Solidity Programming Essentials will be your guide to understanding Solidity programming to build smart contracts for Ethereum and blockchain from ground-up.We begin with a brief run-through of blockchain, Ethereum, and their most important concepts or components. You will learn how to install all the necessary tools to write, test, and debug Solidity contracts on Ethereum. Then, you will explore the layout of a Solidity source file and work with the different data types. The next set of recipes will help you work with operators, control structures, and data structures while building your smart contracts. We take you through function calls, return types, function modifers, and recipes in object-oriented programming with Solidity. Learn all you can on event logging and exception handling, as well as testing and debugging smart contracts.By the end of this book, you will be able to write, deploy, and test smart contracts in Ethereum. This book will bring forth the essence of writing contracts using Solidity and also help you develop Solidity skills in no time.

Solidity Programming Essentials. A guide to building smart contracts and tokens using the widely used Solidity language - Second Edition

Ritesh Modi

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.

Spring 5.0 By Example. Grasp the fundamentals of Spring 5.0 to build modern, robust, and scalable Java applications

Claudio Eduardo de Oliveira

With growing demands, organizations are looking for systems that are robust and scalable. Therefore, the Spring Framework has become the most popular framework for Java development. It not only simplifies software development but also improves developer productivity. This book covers effective ways to develop robust applications in Java using Spring.The book has three parts, where each one covers the building of a comprehensive project in Java and Spring. In the first part, you will construct a CMS Portal using Spring's support for building REST APIs. You will also learn to integrate these APIs with AngularJS and later develop this application in a reactive fashion using Project Reactor, Spring WebFlux, and Spring Data. In the second part, you’ll understand how to build a messaging application, which will consume the Twitter API and perform filtering and transformations. Here, you will also learn about server-sent events and explore Spring’s support for Kotlin, which makes application development quick and efficient. In the last part, you will build a real microservice application using the most important techniques and patterns such as service discovery, circuit breakers, security, data streams, monitoring, and a lot more from this architectural style.By the end of the book, you will be confident about using Spring to build your applications.

Spring 5.0 Cookbook. Recipes to build, test, and run Spring applications efficiently

Sherwin John C.Tragura

The Spring framework has been the go-to framework for Java developers for quite some time. It enhances modularity, provides more readable code, and enables the developer to focus on developing the application while the underlying framework takes care of transaction APIs, remote APIs, JMX APIs, and JMS APIs. The upcoming version of the Spring Framework has a lot to offer, above and beyond the platform upgrade to Java 9, and this book will show you all you need to know to overcome common to advanced problems you might face.Each recipe will showcase some old and new issues and solutions, right from configuring Spring 5.0 container to testing its components. Most importantly, the book will highlight concurrent processes, asynchronous MVC and reactive programming using Reactor Core APIs. Aside from the core components, this book will also include integration of third-party technologies that are mostly needed in building enterprise applications. By the end of the book, the reader will not only be well versed with the essential concepts of Spring, but will also have mastered its latest features in a solution-oriented manner.

Spring 5.0 Microservices. Scalable systems with Reactive Streams and Spring Boot - Second Edition

Rajesh R V

The Spring Framework is an application framework and inversion of the control container for the Java platform. The framework’s core features can be used by any Java application, but there are extensions to build web applications on top of the Java EE platform.This book will help you implement the microservice architecture in Spring Framework, Spring Boot, and Spring Cloud. Written to the latest specifications of Spring that focuses on Reactive Programming, you’ll be able to build modern, internet-scale Java applications in no time. The book starts off with guidelines to implement responsive microservices at scale. Next, you will understand how Spring Boot is used to deploy serverless autonomous services by removing the need to have a heavyweight application server.Later, you’ll learn how to go further by deploying your microservices to Docker and managing them with Mesos. By the end of the book, you will have gained more clarity on the implementation of microservices using Spring Framework and will be able to use them in internet-scale deployments through real-world examples.

Spring 5.0 Projects. Build seven web development projects with Spring MVC, Angular 6, JHipster, WebFlux, and Spring Boot 2

Nilang Patel

Spring makes it easy to create RESTful applications, merge with social services, communicate with modern databases, secure your system, and make your code modular and easy to test. With the arrival of Spring Boot, developers can really focus on the code and deliver great value, with minimal contour.This book will show you how to build various projects in Spring 5.0, using its features and third party tools. We'll start by creating a web application using Spring MVC, Spring Data, the World Bank API for some statistics on different countries, and MySQL database. Moving ahead, you'll build a RESTful web services application using Spring WebFlux framework. You'll be then taken through creating a Spring Boot-based simple blog management system, which uses Elasticsearch as the data store. Then, you'll use Spring Security with the LDAP libraries for authenticating users and create a central authentication and authorization server using OAuth 2 protocol. Further, you'll understand how to create Spring Boot-based monolithic application using JHipster. Toward the end, we'll create an online book store with microservice architecture using Spring Cloud and Net?ix OSS components, and a task management system using Spring and Kotlin.By the end of the book, you'll be able to create coherent and ?exible real-time web applications using Spring Framework.

Spring Boot 2.0 Projects. Build production-grade reactive applications and microservices with Spring Boot

Mohamed Shazin Sadakath

Spring Boot is a lightweight framework that provides a set of tools to create production-grade applications and services. Spring Boot 2.0 Projects is a comprehensive project-based guide for those who are new to Spring, that will get you up to speed with building real-world projects. Complete with clear step-by-step instructions, these easy-to-follow tutorials demonstrate best practices and key insights into building efficient applications with Spring Boot. The book starts off by teaching you how to develop a web application using Spring Boot, followed by giving you an understanding of creating a Spring Boot-based simple blog management system that uses Elasticsearch as the data store. Next, you’ll build a RESTful web services application using Kotlin and the Spring WebFlux framework - a new framework that enables you to create reactive applications in a functional way. Toward the last few chapters, you will build a taxi-hailing API with reactive microservices using Spring Boot, in addition to developing a Twitter clone with the help of a Spring Boot backend. To build on your knowledge further, you’ll also learn how to construct an asynchronous email formatter.By the end of this book, you’ll have a firm foundation in Spring programming and understand how to build powerful, engaging applications in Java using the Spring Boot framework.

Spring: Developing Java Applications for the Enterprise. Build robust applications and microservices with Spring Framework, Spring Boot, and Spring Cloud

Ravi Kant Soni, Rajesh R V, Amuthan Ganeshan

This carefully designed course aims to get you started with Spring, the most widely adopted Java framework, and then goes on to more advanced topics such as building microservices using Spring Boot within Spring. With additional coverage of popular web frameworks such as Struts, WebWork, Java Server Faces, Tapestry, Docker, and Mesos, you'll have all the skills and expertise you need to build great applications. Starting with the Spring Framework architecture and setting up the key components of the Spring Application Development Environment, you will learn how to configure Spring Container and manage Spring beans using XML and Annotation. Next, you will delve into Spring MVC, which will help you build flexible and loosely coupled web applications. You'll also get to grips with testing applications for reliability. Moving on, this course will help you implement the microservice architecture in Spring Framework, Spring Boot, and Spring Cloud. Written to the latest specifications of Spring, this book will help you build modern, Internet-scale Java applications in no time.This Learning Path combines some of the best that Packt has to offer in one complete, curated package. It includes content from the following Packt products:? Learning Spring Application Development by Ravi Kant Soni? Spring MVC Beginner's Guide - Second Edition by Amuthan Ganeshan? Spring Microservices by Rajesh RV

Spring Microservices. Internet-scale architecture with Spring framework, Spring Cloud, Spring Boot

Rajesh R V

The Spring Framework is an application framework and inversion of the control container for the Java platform. The framework's core features can be used by any Java application, but there are extensions to build web applications on top of the Java EE platform. This book will help you implement the microservice architecture in Spring Framework, Spring Boot, and Spring Cloud. Written to the latest specifications of Spring, you'll be able to build modern, Internet-scale Java applications in no time.We would start off with the guidelines to implement responsive microservices at scale. We will then deep dive into Spring Boot, Spring Cloud, Docker, Mesos, and Marathon. Next you will understand how Spring Boot is used to deploy autonomous services, server-less by removing the need to have a heavy-weight application server. Later you will learn how to go further by deploying your microservices to Docker and manage it with Mesos. By the end of the book, you'll will gain more clarity on how to implement microservices using Spring Framework and use them in Internet-scale deployments through real-world examples.

Spring MVC Beginner's Guide. Your ultimate guide to building a complete web application using all the capabilities of Spring MVC

Amuthan Ganeshan

Spring MVC Blueprints. Design and implement real-world web-based applications using the Spring Framework 4.x specification based on technical documentation

Sherwin John C.Tragura

Spring MVC is the ideal tool to build modern web applications on the server side. With the arrival of Spring Boot, developers can really focus on the code and deliver great value, leveraging the rich Spring ecosystem with minimal configuration.Spring makes it simple to create RESTful applications, interact with social services, communicate with modern databases, secure your system, and make your code modular and easy to test. It is also easy to deploy the result on different cloud providers.This book starts all the necessary topics in starting a Spring MVC-based application. Moving ahead it explains how to design model objects to handle file objects. save files into a data store and how Spring MVC behaves when an application deals with uploading and downloading files. Further it highlights form transactions and the user of Validation Framework as the tool in validating data input. It shows how to create a customer feedback system which does not require a username or password to log in. It will show you the soft side of Spring MVC where layout and presentation are given importance. Later it will discuss how to use Spring Web Flow on top of Spring MVC to create better web applications. Moving ahead, it will teach you how create an Invoice Module that receives and transport data using Web ServicesBy the end of the book you will be able to create efficient and flexible real-time web applications using all the frameworks in Spring MVC.

Spring MVC Cookbook. Over 40 recipes for creating cloud-ready Java web applications with Spring MVC

Alex Bretet

Spring MVC is a lightweight application framework that comes with a great configuration by default. Being part of the Spring Framework, it naturally extended and supported it with an amazing set of recognizable annotations. External libraries can be plugged in and plugged out. It also possesses a request flow.Complete support of REST web services makes the Spring architecture an extremely consistent choice to support your front-end needs and Internet transformations.From the design of your Maven modules, you will achieve an Enterprise-standard for a stateless REST application based on Spring and Spring MVC with this book.This guide is unique in its style as it features a massive overview of practical development techniques brought together from the Spring ecosystem, the new JEE standards, the JavaScript revolution and Internet of Things.You will begin with the very first steps of Spring MVC's product design. Focused on deployment, viability, and maintainability, you will learn the use of Eclipse, Maven, and Git. You will walk through the separation of concerns driven by the microservices principles. Using Bootstrap and AngularJS, you will develop a responsive front-end, capable of interacting autonomously with a REST API.Later in the book, you will setup the Java Persistence API (JPA) within Spring; learn how to configure your Entities to reflect your domain needs, and discover Spring Data repositories. You will analyze how Spring MVC responds to complex HTTP requests. You will implement Hypermedia and HATEOAS to guide your customer's stateless conversation with the product and see how a messaging-service based on WebSocket can be configured. Finally you will learn how to set up and organize different levels of automated-tests, including logging and monitoring.

SproutCore Web Application Development. Creating fast, powerful, and feature-rich web applications using the SproutCore HTML5 framework

Tyler Keating

SproutCore is a framework that exists to allow developers to deliver on the promise of the Web with more than just simple attractive demos, but with complex software and remarkable user experiences. SproutCore’s creators recognized early on that developing real web software requires the same software development tools and practices that have evolved over decades in the native software field and thus SproutCore brings these to the Web.SproutCore Web Application Development is more than just a guide to one of the largest and most powerful web application frameworks out there, it’s also a guide to writing genre defining web applications and solving the unique problems that the web platform creates. Containing the results of thousands of hours of software development experience, this book is invaluable for anyone already writing software for the Web or just starting out.SproutCore Web Application Development comprises of three sections. In the first section we introduce SproutCore and walk through a simple SproutCore application. From there, we look in detail at all of the main components of the framework before finally working through a rigorous real-world example from start to finish. Learning about SproutCore means learning about writing software for the Web. In this book, you will not only learn what sets SproutCore apart from other web libraries and frameworks, you will also learn about solving the difficult challenges that web development poses. We will look at all the components of an application and how to translate wireframes, mocks, and design descriptions into clean, efficient, and maintainable code using MVC, data adaptors, statecharts, and more. We will look at SproutCore’s powerful binding and observing and watch how changes propagate across our app effortlessly and magically with very little code.By the time you complete SproutCore Web Application Development, you’ll be ready to develop your own application that redefines what it means to be a web application.

Squarespace from Signup to Launch. Build, customize, and launch robust and user-friendly Squarespace websites with a no-code approach

Kelsey Gilbert Kreiling, Mallory Ulaszek

You may have heard about Squarespace and even started a trial site, but launching it can be a real challenge for new users. While the basic features look simple enough, shaping Squarespace to fit your business needs requires expert help. That’s where author and Squarespace expert Kelsey Gilbert Kreiling can help. Squarespace from Signup to Launch is a comprehensive resource for customizing the most design-focused and user-friendly website builder in the no-code world.Enriched with insights and resources from Squarespace experts such as Christy Price, Will Myers, David Iskander, Kristine Neil, Kathryn Joachim, Beatriz Caraballo, Justin Mabee, Shelly Morse, and more, this book goes beyond a technical manual. It prepares you to build a website, explains the foundational knowledge behind Squarespace 7.1 and Fluid Engine, and fosters a professional designer's mindset. Throughout the book, you’ll learn how to build forms, use content blocks, optimize websites for mobile, build an online store, and become proficient in Squarespace's built-in SEO, marketing, and analytics tools.By the end of this Squarespace book, you’ll have the confidence to build professional websites with a developer's technical knowledge, project organization, and design intuition. You won’t just launch your site; you’ll be proud to share it with the world.