Going IT Alone: The Handbook for Freelance and Contract Software Developers. A detailed guide to self-employment for software and web developers - from identifying your target market, through to managing your time, finances, and client behavior

Leon Brown

Elasticsearch Blueprints. A practical project-based guide to generating compelling search solutions using the dynamic and powerful features of Elasticsearch

Neil Alex, Vineeth Mohan

AWS Security Cookbook. Practical solutions for securing AWS cloud infrastructure with essential services and best practices - Second Edition

Heartin Kanikathottu

As a security consultant, implementing policies and best practices to secure your infrastructure is critical. This cookbook discusses practical solutions for safeguarding infrastructure, covering services and features within AWS that help implement security models, such as the CIA triad (confidentiality, integrity, and availability) and the AAA triad (authentication, authorization, and accounting), as well as non-repudiation.This updated second edition starts with the fundamentals of AWS accounts and organizations. The book then guides you through identity and access management, data protection, network security, and encryption. You’ll explore critical topics such as securing EC2 instances, managing keys with KMS and CloudHSM, and implementing endpoint security. Additionally, you’ll learn to monitor your environment using CloudWatch, CloudTrail, and AWS Config, while maintaining compliance with services such as GuardDuty, Macie, and Inspector. Each chapter presents practical recipes for real-world scenarios, allowing you to apply security concepts.By the end of this book, you’ll be well versed in techniques required for securing AWS deployments and be prepared to gain the AWS Certified Security – Specialty certification.

Robot Framework Test Automation. Create test suites and automated acceptance tests from scratch

Sumit Bisht

Testing has traditionally been a part of software development, and has always involved a lot of manual effort. It can be automated with Robot Framework, which offers numerous benefits from cost saving to increased quality assurance in the software delivery. This book will help you to start designing test suites and Automated Acceptance Tests.Helping you to get started with automating acceptance tests, this book will provide a detailed overview of acceptance test management practices and principles. You will also be introduced to advanced techniques that you can use to customize the test suite, along with helpful tips and tricks to extend and leverage it in a wide variety of scenarios.Starting with a detailed explanation of the need for automated acceptance test driven development, this guide will help you with an empty test project creation and execution for proof of concept, and validation of installation. This book will also cover the Robot Framework in detail, and will help you test desktop applications using Java Swing. You will gain an in-depth knowledge of tricky activities, such as setting up a test environment and using it with Selenium.You will also learn about other popular libraries, and how to test network protocols, web services, and databases. This book will cover the entire Robot Framework with real- world practical material to make its content informative and interesting.By the end of this book you will be able to write acceptance tests for desktop and web applications, as well as know how to extend acceptance testing in other scenarios that are commonly devoid of tests, and present the results appropriately.

ArcGIS for Desktop Cookbook. Over 60 hands-on recipes to help you become a more productive ArcGIS for Desktop user

Hands-On RTOS with Microcontrollers. Create high-performance, real-time embedded systems using FreeRTOS, STM32 MCUs and SEGGER debug tools - Second Edition

Brian Amos, Jim Yuill, Penn Linder

Want to stay ahead of the curve with embedded systems development? The updated edition of Hands-On RTOS with Microcontrollers is here and packed with cutting-edge content to up your skills. It contains everything you need to know about real-time operating systems, how they work, and why they’re essential for today’s time-critical applications; learn about FreeRTOS and its primary capabilities and APIs. You’ll find a detailed overview of system-design topics such as memory management, project-design topics (MCU, IDE, and RTOS API), and hands-on system use, as well as the system platform, dev-board with an MCU and debug-probe, and development tools (IDE, build system, source-code debugging).The new edition includes 10 real-world embedded applications showcasing the latest features of FreeRTOS, teaching you how to implement them in your own projects and exploring how to optimize your code with dynamic analysis. It also provides example programs on a GitHub repo for you to explore with detailed instructions. You’ll learn how to create and install your own FreeRTOS system on the dev-board, and set up an IDE project with debugging tools. With dozens of reference manuals listed, you’ll never be short on resources for system development.Stay ahead of the curve — get your second edition of Hands-On RTOS with Microcontrollers today!

Mastering Tableau 2023. Implement advanced business intelligence techniques, analytics, and machine learning models with Tableau - Fourth Edition

Marleen Meier, Christina Stathopoulos, David Sigerson

This edition of the bestselling Tableau guide will teach you how to leverage Tableau's newest features and offerings in various paradigms of the BI domain. Updated with fresh topics, including the newest features in Tableau Server, Prep, and Desktop, as well as up-to-date examples, this book will take you from mastering essential Tableau concepts to advance functionalities. A chapter on data governance has also been added.Throughout this book, you'll learn how to use Tableau Hyper files and Prep Builder to easily perform data preparation and handling, as well as complex joins, spatial joins, unions, and data blending tasks using practical examples. You'll also get to grips with executing data densification and explore other expert-level examples to help you with calculations, mapping, and visual design using Tableau extensions.Later chapters will teach you all about improving dashboard performance, connecting to Tableau Server, and understanding data visualization with examples. Finally, you'll cover advanced use cases, such as self-service analysis, time series analysis, geo-spatial analysis, and how to connect Tableau to Python and R to implement programming functionalities within Tableau.By the end of this book, you'll have mastered Tableau 2023 and be able to tackle common and advanced challenges in the BI domain.

AWS DevOps Simplified. Build a solid foundation in AWS to deliver enterprise-grade software solutions at scale

Akshay Kapoor, Paul Duvall

DevOps and AWS are the two key enablers for the success of any modern software-run business. DevOps accelerates software delivery, while AWS offers a plethora of services, allowing developers to prioritize business outcomes without worrying about undifferentiated heavy lifting. This book focuses on the synergy between them, equipping you with strong foundations, hands-on examples, and a strategy to accelerate your DevOps journey on AWS.AWS DevOps Simplified is a practical guide that starts with an introduction to AWS DevOps offerings and aids you in choosing a cloud service that fits your company's operating model. Following this, it provides hands-on tutorials on the GitOps approach to software delivery, covering immutable infrastructure and pipelines, using tools such as Packer, CDK, and CodeBuild/CodeDeploy. Additionally, it provides you with a deep understanding of AWS container services and how to implement observability and DevSecOps best practices to build and operate your multi-account, multi-Region AWS environments.By the end of this book, you’ll be equipped with solutions and ready-to-deploy code samples that address common DevOps challenges faced by enterprises hosting workloads in the cloud.