Category: Tech & Devices

ROS 2 from Scratch: Get started with ROS 2 and create robotics applications with Python and C++ by Edouard Renard
Requirements: .ePUB reader, 6 mb
Overview: ROS 2 from Scratch, written by the cofounder of a robotics company with years of experience in teaching and engineering, will equip you with the skills necessary to develop cutting-edge robotic systems efficiently.

This book will help you understand why you should use Robot Operating System (ROS), clarifying what ROS is and isn’t. It focuses on applied learning—no unnecessary filler, no abstract theory, and no abrupt leaps into complex topics. You’ll discover how to install ROS 2, set up your environment, and explore concepts through hands-on experiments, as well as create a ROS 2 application for a custom robot. The chapters expand upon core concepts such as nodes, communication via topics, client-server interactions with services, complex behaviors using actions, runtime configurations with parameters, and seamless node orchestration via launch files. Each concept is clearly explained with the help of real-life analogies and practical examples, using Python and C++. The book will also guide you through creating a real-world project that incorporates TFs, URDF, RViz, and Gazebo.

By the end of this book, you’ll be able to create new software for any robot in no time and easily join existing projects for new job roles, research endeavors, and beyond.
Genre: Non-Fiction > Tech & Devices



• Understand what ROS 2 is, when to use it, and how to use it
• Write ROS 2 programs using nodes, topics, services, actions, and custom interfaces
• Scale your application with parameters and launch files
• Get a complete overview of how TFs work for any ROS-powered robot
• Create a robot model (with URDF) and visualize TFs on RViz
• Adapt the URDF to spawn and control your robot in the Gazebo simulator

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API Testing and Development with Postman: API creation, testing, debugging, and management made easy, 2nd Edition by Dave Westerveld
Requirements: .PDF reader, 7 mb
Overview: Postman is an invaluable tool for exploration and testing of web APIs and helping testers and developers figure out how an API works. With Postman, you can create effective test automation for any APIs, and this guide will help you unleash its full potential.

API Testing and Development with Postman is an invaluable resource for anyone who wants to create a good quality API, but isn’t sure how to go about it. This guide will help you unleash the full potential of Postman’s test automation capabilities.

A combination of theory coupled with real-world examples will help you learn how to use Postman to create well-designed, documented, and tested APIs. After you’ve familiarized yourself with the theory, you’ll move on to hands-on projects that will teach you how to add test automation to an existing API. You’ll also learn some of the new and powerful features that Postman has that can help you avoid introducing bugs.

This second, fully updated edition features new chapters on workflow testing, creating and using mock servers, API security testing, and performance testing. The new and expanded information in this edition will help you future-proof your APIs.

By the end of this book, you’ll be able to use Postman to set up and run API tests for any API that you are working with.
Genre: Non-Fiction > Tech & Devices



• Find out what is involved in effective API testing
• Leverage Postman to improve the quality of you API
• Use data-driven testing in Postman to create scalable API tests
• How to create and use a Mock Server in Postman
• Verify and improve the quality of an API using contract testing
• Understand the basic principles of security testing
• Get to grips with functional and non-functional testing of an API
• Discover how to use industry standards such as OpenAPI and mocking

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Autodesk Civil 3D 2025 Unleashed: Elevate your civil engineering designs and advance your career with Autodesk Civil 3D by Stephen Walz, Tony Sabat
Requirements: .PDF reader, 47 mb
Overview: Autodesk Civil 3D 2025 Unleashed is a comprehensive guide that equips civil engineers and designers with advanced skills to unlock new levels of efficiency in their projects and careers. Divided into four parts, this book addresses different aspects of Civil 3D capabilities and extensions.

Starting with elevating Civil 3D designs using Building Information Modeling (BIM) principles, you’ll develop a strong foundation in BIM and its integration into civil engineering projects. By focusing on design customization with Civil 3D extensions, this book will empower you to harness reality capture technologies, optimize grading designs, and explore content catalog customization. You’ll delve into information management and automation with Civil 3D, covering property sets, Project Explorer, and workflow automation using tools like Dynamo for Civil 3D (D4C3D) and scripting. The book will also demonstrate how to prepare BIM designs within Civil 3D for a multitude of downstream uses. Finally, you’ll discover how to extend infrastructure designs beyond Civil 3D and integrate them into the BIM process with Navisworks and InfraWorks for better project collaboration and visualization.

By the end of this book, you’ll be able to prepare and use BIM designs within Civil 3D and several other products for easier project creation and management.
Genre: Non-Fiction > Tech & Devices



• Explore the success you can achieve in projects with Civil 3D
• Streamline workflows and boost project efficiency with tools such as Dynamo
• Utilize a 3D environment integrated with model information
• Eliminate redundant workflows and create intelligent objects to handle design changes
• Realize the full potential of BIM design models
• Discover the benefits of integrating BIM designs into additional products, platforms, and systems

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Unlock Your Creativity with Photopea: Edit and retouch images, and create striking text and designs with the free online software by Michael Burton
Requirements: .PDF reader, 110 mb
Overview: Photopea is a comprehensive image and photo editing design tool that provides essential features and capabilities comparable to Adobe Photoshop. This book covers the latest version of Photopea, featuring step-by-step instructions for image editing, improving and enhancing designs with text and effects, and creating eye-catching projects for print and the web.

The first part of this book will teach you how to navigate the workspace, use the best tools for specific tasks and projects, and make perfect selections. You’ll also discover how to remove backgrounds, merge and/or add objects, and adjust colors to create impressive images. Later, you’ll explore layers and compositing techniques, and get hands on with retouching images like a pro. The book will demonstrate how to create collages and use brushes, color wheels, and swatches for drawing and painting. You’ll also learn how to apply impressive text to images to create posters, flyers, and logos.

By the end of this book, you’ll have learned how to retouch, paint, enhance, and manipulate images; how to use templates provided by Photopea; and finally, how to apply your skills to projects.
Genre: Non-Fiction > Tech & Devices



• Understand how to use masks, layer adjustments, and work non-destructively with your images
• Use photo retouching techniques to enhance your images, revive old photos, and apply effects
• Use brushes effectively and learn how to create custom brushes for specific tasks and effects
• Apply different selections for removing backgrounds and objects from photos
• Utilize the principles of color theory to craft visually stunning compositions
• Draw stunning vector and bitmap formats for coloring, rendering, and finished illustrations

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Elastic Stack 8.x Cookbook: Over 80 recipes to perform ingestion, search, visualization, and monitoring for actionable insights by Huage Chen, Yazid Akadiri
Requirements: .PDF reader, 88 mb
Overview: Learn how to make the most of the Elastic Stack (ELK Stack) products—including Elasticsearch, Kibana, Elastic Agent, and Logstash—to take data reliably and securely from any source, in any format, and then search, analyze, and visualize it in real-time. This cookbook takes a practical approach to unlocking the full potential of Elastic Stack through detailed recipes step by step.

Starting with installing and ingesting data using Elastic Agent and Beats, this book guides you through data transformation and enrichment with various Elastic components and explores the latest advancements in search applications, including semantic search and Generative AI. You’ll then visualize and explore your data and create dashboards using Kibana. As you progress, you’ll advance your skills with machine learning for data science, get to grips with natural language processing, and discover the power of vector search. The book covers Elastic Observability use cases for log, infrastructure, and synthetics monitoring, along with essential strategies for securing the Elastic Stack. Finally, you’ll gain expertise in Elastic Stack operations to effectively monitor and manage your system.
Genre: Non-Fiction > Tech & Devices



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