Digital and IT general topics Books

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Book SynopsisAbout This Book Design, simulate, build and program an interactive autonomous mobile robot Program Robot Operating System using Python Get a grip on the hands-on guide to robotics for learning various robotics concepts and build an advanced robot from scratch Who This Book Is ForIf you are an engineer, a researcher, or a hobbyist, and you are interested in robotics and want to build your own robot, this book is for you. Readers are assumed to be new to robotics but should have experience with Python.

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Book SynopsisStep through loading GIS data, creating GIS data, styling GIS and making maps with QGIS following a simple narrative that will allow you to build confidence as you progress.Key Features Work with GIS data, a step by step guide from creation to making a map Perform geoprocessing tasks and automate them using model builder Explore a range of features in QGIS 3.4, discover the power behind open source desktop GIS Book DescriptionQGIS is a user friendly, open source geographic information system (GIS). The popularity of open source GIS and QGIS, in particular, has been growing rapidly over the last few years. This book is designed to help beginners learn about all the tools required to use QGIS 3.4.This book will provide you with clear, step-by-step instructions to help you apply your GIS knowledge to QGIS. You begin with an overview of QGIS 3.4 and its installation. You will learn how to load existing spatial data and create vector data from scratch. You will then be creating styles and labels for maps. The final two chapters demonstrate the Processing toolbox and include a brief investigation on how to extend QGIS. Throughout this book, we will be using the GeoPackage format, and we will also discuss how QGIS can support many different types of data.Finally, you will learn where to get help and how to become engaged with the GIS community.What you will learn Use existing data to interact with the canvas via zoom/pan/selection Create vector data and a GeoPackage and build a simple project around it Style data, both vector and raster data, using the Layer Styling Panel Design, label, save, and export maps using the data you have created Analyze spatial queries using the Processing toolbox Expand QGIS with the help of plugins, model builder, and the command line Who this book is forIf you know the basic functions and processes of GIS, and want to learn to use QGIS to analyze geospatial data and create rich mapping applications, then this is the book for you.Table of ContentsTable of Contents Getting Started with QGIS 3 Loading Data Creating Data Styling Data Creating Maps Spatial Processing Expanding QGIS 3

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Book SynopsisAt a critical point in human history, this book presents proven ways to gain the skills needed to develop sustainable IT practices and set yourself apart as a progressive technology leaderKey Features Execute a sustainable IT strategy with proven methods and real-world use cases Progress as a sustainable IT advocate and set yourself apart from other senior IT leaders Increase your chances of receiving executive buy-in on your sustainable IT strategy Book DescriptionWe are at a critical point in human history. Humanity is under threat, but all is not lost. We can take action! But how?Sustainable IT Playbook for Technology Leaders will show you how. It will walk you through the construction and implementation of a sustainable IT strategy and enable you to do your bit for the future of mankind.The book is split into three parts. Part I details the “why” and the clear and present danger that humanity faces today: the climate crisis. How did we get here, what are the immediate threats, what are the planetary boundaries that we need to peel back to safe levels, and what impact does IT have on society at large? Part II will focus on the "what.” It examines the nitty-gritty details of what we can do to unlock significant returns on sustainable investments toward a more sustainable future. Part III, the final part of the book, focuses on the “how.” How do you turn your ideas into action? What do you need to do to establish your baseline and your direction of travel towards your objective? This part provides tangible case studies and explains how you can start your journey today to begin delivering global and impactful objectives.By the end of this book, you'll be able to plan, implement, and communicate a sustainable IT strategy and set yourself apart as a progressive technology leader.What you will learn Discover why IT is a major contributor to carbon emissions Explore the principles and key methods of sustainable IT practices Build a robust, sustainable IT strategy based on proven methods Optimize and rationalize your code to consume fewer resources Understand your energy consumption patterns Apply a circular approach to the IT hardware life cycle Establish your sustainable IT baseline Inspire and engage employees, customers, and stakeholders Who this book is forThis book is for executive IT leaders such as CIOs, CDOs, and CTOs dedicated to influencing, inspiring, and engaging businesses, organizations, and individuals to reduce their carbon footprint through sustainable IT practices.Table of ContentsTable of Contents Our Most Significant Challenge Ahead Rise of Sustainable IT The Fundamental Building Blocks of a Sustainable IT Practice Data Center & Cloud Application & Data IT Hardware Management Power Energy Management Leveraging Your Buying Power Sustainability by IT Get started today Putting a Sustainable IT Strategy in place From Strategy to Execution – Lead with Purpose and Deliver Progress Quickly

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Book SynopsisMaster the capabilities of PostgreSQL 15 to efficiently administer and maintain your database. Purchase of the print or Kindle book includes a free PDF eBook. Key Features Using real world examples, get to grips with expert PostgreSQL 15 concepts Explore performance improvement, database replication, data replication, database administration, and more Extend PostgreSQL's functionalities to suit your organization's needs with minimal effort Book DescriptionStarting with an introduction to the newly released features of PostgreSQL 15, this updated fifth edition will help you get to grips with PostgreSQL administration and how to build dynamic database solutions for enterprise apps, including designing both physical and technical aspects of the system. You'll explore advanced PostgreSQL features, such as logical replication, database clusters, advanced indexing, and user management to manage and maintain your database. You'll then work with the PostgreSQL optimizer, configure PostgreSQL for high speed, and move from Oracle to PostgreSQL. Among the other skills that the book will help you build, you’ll cover transactions, handling recursions, working with JSON and JSONB data, and setting up a Patroni cluster. It will show you how to improve performance with query optimization. You'll also focus on managing network security and work with backups and replication while exploring useful PostgreSQL extensions that optimize the performance of large databases. By the end of this PostgreSQL book, you’ll be able to use your database to its utmost capacity by implementing advanced administrative tasks with ease.What you will learn Make use of the indexing features in PostgreSQL and fine-tune the performance of your queries Work with stored procedures and manage backup and recovery Get the hang of replication and failover techniques Improve the security of your database server and handle encryption effectively Troubleshoot your PostgreSQL instance for solutions to common and not-so-common problems Perform database migration from Oracle to PostgreSQL with ease Who this book is forThis database administration book is for PostgreSQL developers, database administrators, and professionals who want to implement advanced functionalities and master complex administrative tasks with PostgreSQL 15. Prior experience in PostgreSQL and familiarity with the basics of database administration will assist with understanding key concepts covered in the book.Table of ContentsTable of Contents PostgreSQL 15 Overview Understanding Transactions and Locking Making Use of Indexes Handling Advanced SQL Log Files and System Statistics Optimizing Queries for Good Performance Writing Stored Procedures Managing PostgreSQL Security Handling Backup and Recovery Making Sense of Backups and Replication Deciding on Useful Extensions Troubleshooting PostgreSQL Migrating to PostgreSQL

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