Learning PostgreSQL 11. A beginner's guide to building high-performance PostgreSQL database solutions - Third Edition

Salahaldin Juba, Andrey Volkov

PostgreSQL is one of the most popular open source database management systems in the world, and it supports advanced features included in SQL standards. This book will familiarize you with the latest features in PostgreSQL 11, and get you up and running with building efficient PostgreSQL database solutions from scratch.Learning PostgreSQL, 11 begins by covering the concepts of relational databases and their core principles. You’ll explore the Data Definition Language (DDL) and commonly used DDL commands supported by ANSI SQL. You’ll also learn how to create tables, define integrity constraints, build indexes, and set up views and other schema objects. As you advance, you’ll come to understand Data Manipulation Language (DML) and server-side programming capabilities using PL/pgSQL, giving you a robust background to develop, tune, test, and troubleshoot your database application. The book will guide you in exploring NoSQL capabilities and connecting to your database to manipulate data objects. You’ll get to grips with using data warehousing in analytical solutions and reports, and scaling the database for high availability and performance.By the end of this book, you’ll have gained a thorough understanding of PostgreSQL 11 and developed the necessary skills to build efficient database solutions.

Rust Web Programming. A hands-on guide to developing, packaging, and deploying fully functional Rust web applications - Second Edition

Maxwell Flitton

Are safety and high performance a big concern for you while developing web applications?With this practical Rust book, you’ll discover how you can implement Rust on the web to achieve the desired performance and security as you learn techniques and tooling to build fully operational web apps.In this second edition, you’ll get hands-on with implementing emerging Rust web frameworks, including Actix, Rocket, and Hyper. It also features HTTPS configuration on AWS when deploying a web application and introduces you to Terraform for automating the building of web infrastructure on AWS. What’s more, this edition also covers advanced async topics. Built on the Tokio async runtime, this explores TCP and framing, implementing async systems with the actor framework, and queuing tasks on Redis to be consumed by a number of worker nodes. Finally, you’ll go over best practices for packaging Rust servers in distroless Rust Docker images with database drivers, so your servers are a total size of 50Mb each.By the end of this book, you’ll have confidence in your skills to build robust, functional, and scalable web applications from scratch.

Building Enterprise Ready Telephony Systems with sipXecs 4.0. Leveraging open source VOIP for a rock-solid communications system

Michael W. Picher, Michael Picher

Open source telephony systems are making big waves in the communications industry. Moving your organization from a lab environment to production system can seem like a daunting and inherently risky proposition. Building Enterprise Ready Telephony Systems with sipXecs delivers proven techniques for deploying reliable and robust communications systems.Building Enterprise Ready Telephony Systems with sipXecs provides a guiding hand in planning, building and migrating a corporate communications system to the open source sipXecs SIP PBX platform. Following this step-by-step guide makes normally complex tasks, such as migrating your existing communication system to VOIP and deploying phones, easy. Imagine how good you'll feel when you have a complete, enterprise ready telephony system at work in your business.Planning a communications system for any size of network can seem an overwhelmingly complicated task. Deploying a robust and reliable communications system may seem even harder. This book will start by helping you understand the nuts and bolts of a Voice over IP Telephony system. The base knowledge gained is then built upon with system design and product selection. Soon you will be able to implement, utilize and maintain a communications system with sipXecs. Many screen-shots and diagrams help to illustrate and make simple what can otherwise be a complex undertaking. It's easy to build an enterprise ready telephony system when you follow this helpful, straightforward guide.

eZ Publish 4: Enterprise Web Sites Step-by-Step

Francesco Fullone, Francesco Trucchia, Nina Pedersen

eZ Publish provides developers with a structure to build highly impressive applications and then quickly deploy them into a live environment. eZ Publish is complex, with a steep learning curve, but with the right direction it offers great flexibility and power. What makes eZ Publish special is not the long list of features, but what's going on behind the scenes.Created specifically for newcomers to eZ Publish, and using an example Magazine web site, this book focuses on designing, building and deploying eZ Publish to create an enterprise site quickly and easily.This tutorial takes eZ Publish's steep learning curve head-on, and walks you through the process of designing and building content-rich web sites. It makes the unrivalled power and flexibility of eZ Publish accessible to all developers.The book is organized around technical topics, which are handled in depth, with a general progression that follows the learning experience of the reader, and features a single magazine web site project from installation to completion and deployment. This hands-on guide helps the reader to understand the Content Management System to create a web 2.0-ready web site by creating new extensions or overriding the existing ones. In turn, it helps you to become confident when working in the eZ Publish administration area and offers an environment in which you can practice while working through the chapters.

Scaling Big Data with Hadoop and Solr. Understand, design, build, and optimize your big data search engine with Hadoop and Apache Solr

Hrishikesh Vijay Karambelkar

An iOS Developer's Guide to SwiftUI. Design and build beautiful apps quickly and easily with minimum code

Michele Fadda

– SwiftUI transforms Apple Platform app development with intuitive Swift code for seamless UI design. – Explore SwiftUI's declarative programming: define what the app should look like and do, while the OS handles the heavy lifting. – Hands-on approach covers SwiftUI fundamentals and often-omitted parts in introductory guides. – Progress from creating views and modifiers to intricate, responsive UIs and advanced techniques for complex apps. – Focus on new features in asynchronous programming and architecture patterns for efficient, modern app design. – Learn UIKit and SwiftUI integration, plus how to run tests for SwiftUI applications. – Gain confidence to harness SwiftUI's full potential for building professional-grade apps across Apple devices.

Learning Elastic Stack 7.0. Distributed search, analytics, and visualization using Elasticsearch, Logstash, Beats, and Kibana - Second Edition

Pranav Shukla, Sharath Kumar M N

The Elastic Stack is a powerful combination of tools that help in performing distributed search, analytics, logging, and visualization of data. Elastic Stack 7.0 encompasses new features and capabilities that will enable you to find unique insights into analytics using these techniques. This book will give you a fundamental understanding of what the stack is all about, and guide you in using it efficiently to build powerful real-time data processing applications. The first few sections of the book will help you understand how to set up the stack by installing tools and exploring their basic configurations. You’ll then get up to speed with using Elasticsearch for distributed search and analytics, Logstash for logging, and Kibana for data visualization. As you work through the book, you will discover the technique of creating custom plugins using Kibana and Beats. This is followed by coverage of the Elastic X-Pack, a useful extension for effective security and monitoring. You’ll also find helpful tips on how to use Elastic Cloud and deploy Elastic Stack in production environments. By the end of this book, you’ll be well-versed with fundamental Elastic Stack functionalities and the role of each component in the stack to solve different data processing problems.

A Frontend Web Developer's Guide to Testing. Explore leading web test automation frameworks and their future driven by low-code and AI

Eran Kinsbruner, Gleb Bahmutov

Testing web applications during a sprint poses a challenge for frontend web app developers, which can be overcome by harnessing the power of new, open source cross-browser test automation frameworks. This book will introduce you to a range of leading, powerful frameworks, such as Selenium, Cypress, Puppeteer, and Playwright, and serve as a guide to leveraging their test coverage capability. You’ll learn essential concepts of web testing and get an overview of the different web automation frameworks in order to integrate them into your frontend development workflow. Throughout the book, you'll explore the unique features of top open source test automation frameworks, as well as their trade-offs, and learn how to set up each of them to create tests that don't break with changes in the app.By the end of this book, you'll not only be able to choose the framework that best suits your project needs but also create your initial JavaScript-based test automation suite. This will enable fast feedback upon code changes and increase test automation reliability. As the open source market for these frameworks evolves, this guide will help you to continuously validate your project needs and adapt to the changes.