Learning QGIS 2.0. This book takes you through every stage you need to create superb maps using QGIS 2.0 – from installation on your favorite OS to data editing and spatial analysis right through to designing your print maps

Anita Graser

QGIS is a user friendly open source geographic information system (GIS) that runs on Linux, Unix, Mac OSX, and Windows. The popularity of open source geographic information systems and QGIS in particular has been growing rapidly over the last few years. More and more companies and institutions are adopting QGIS and even switching to QGIS as their main GIS.Learning QGIS 2.0 is a practical, hands-on guide that provides you with clear, step-by-step exercises that will help you to apply your GIS knowledge to QGIS. Containing a number of clear, practical exercises, this book will introduce you to working with QGIS, quickly and painlessly. If you want to take advantage of the wide range of functionalities that QGIS offers, then this is the book for you.This book takes you from installing and configuring QGIS, through handling spatial data to creating great maps. You will learn how to load and visualize existing spatial data and how to create data from scratch. You will perform common geoprocessing and spatial analysis tasks and automate them. We will cover how to achieve great cartographic output and print maps. You will learn everything you need to know to handle spatial data management, processing, and visualization tasks in QGIS.

Becoming KCNA Certified. Build a strong foundation in cloud native and Kubernetes and pass the KCNA exam with ease

Dmitry Galkin

The job market related to the cloud and cloud-native technologies is both growing and becoming increasingly competitive, making certifications like KCNA a great way to stand out from the crowd and learn about the latest advancements in cloud technologies.Becoming KCNA Certified doesn't just give you the practical skills needed to deploy and connect applications in Kubernetes, but it also prepares you to pass the Kubernetes and Cloud Native Associate (KCNA) exam on your first attempt.The book starts by introducing you to cloud-native computing, containers, and Kubernetes through practical examples, allowing you to test the theory out for yourself. You'll learn how to configure and provide storage for your Kubernetes-managed applications and explore the principles of modern cloud-native architecture and application delivery, giving you a well-rounded view of the subject. Once you've been through the theoretical and practical aspects of the book, you'll get the chance to test what you’ve learnt with two mock exams, with explanations of the answers, so you'll be well-prepared to appear for the KCNA exam.By the end of this Kubernetes book, you'll have everything you need to pass the KCNA exam and forge a career in Kubernetes and cloud-native computing.

Building Telephony Systems with OpenSIPS. Build high-speed and highly scalable telephony systems using OpenSIPS - Second Edition

Flavio E. Goncalves, Bogdan-Andrei Iancu

OpenSIPS is a multifunctional, multipurpose signalling SIP server. SIP (Session Initiation Protocol) is nowadays the most important VoIP protocol and OpenSIPS is the open source leader in VoIP platforms based on SIP. OpenSIPS is used to set up SIP Proxy servers. The purpose of these servers is to receive, examine, and classify SIP requests. The whole telecommunication industry is changing to an IP environment, and telephony as we know it today will completely change in less than ten years. SIP is the protocol leading this disruptive revolution and it is one of the main protocols on next generation networks. While a VoIP provider is not the only kind of SIP infrastructure created using OpenSIPS, it is certainly one of the most difficult to implement.This book will give you a competitive edge by helping you to create a SIP infrastructure capable of handling tens of thousands of subscribers.Starting with an introduction to SIP and OpenSIPS, you will begin by installing and configuring OpenSIPS. You will be introduced to OpenSIPS Scripting language and OpenSIPS Routing concepts, followed by comprehensive coverage of Subscriber Management. Next, you will learn to install, configure, and customize the OpenSIPS control panel and explore dialplans and routing. You will discover how to manage the dialog module, accounting, NATTraversal, and other new SIP services. The final chapters of the book are dedicated to troubleshooting tools, SIP security, and advanced scenarios including TCP/TLS support, load balancing, asynchronous processing, and more.A fictional VoIP provider is used to explain OpenSIPS and by the end of the book, you will have a simple but complete system to run a VoIP provider.

Instant Slic3r. Unravel the mysteries behind taking a virtual model and turning it into a physical object

David Moore

One of the most critical parts of 3D printing is taking a 3D model and converting it to a format that a 3D printer can print. Slic3r is one of the best pieces of software out there. It gives great control over how an object is converted, and can save you hours upon hours of frustration by producing great prints. This book will show you how.Instant Slic3r strives to give you a good foundation for what Slic3r can do. It offers a hands-on way to learn about how Slic3r works, and how you can use its powerful features to produce great prints. It takes you from the beginning setup, through advanced features such as post processing the G-Code that it produces. You will get a good grasp on how Slic3r works, and ways to troubleshoot your prints to make the best objects your printer can produce.Instant Slic3r covers where to get Slic3r and how to install it on a variety of platforms, and helps lead you through the setup and tweaking your personal printer settings. The book is clearly laid out and easy to follow, but with information that even experienced users of Slic3r will find useful. You will learn how Slic3r converts your model into G-Code. Then, you will learn how to not only read that G-Code, but how you can write scripts for post-processing the output, before it is sent to the printer. You will also learn what things can go wrong with printing, and how you can use Slic3r to troubleshoot the issue and then fix it. Along with this, you will learn how to improve your printing by delving into Slic3r's expert settings.The book is filled with examples, leading you through not only how to do things, but why they need to be done. After you are finished with this book, you will have a deeper understanding of Slic3r and 3D printing.

Salesforce Platform Enterprise Architecture. A must-read guide to help you architect and deliver packaged applications for enterprise needs - Fourth Edition

Andrew Fawcett, Daniel J. Peter

Salesforce makes architecting enterprise grade applications easy and secure – but you'll need guidance to leverage its full capabilities and deliver top-notch products for your customers.This fourth edition brings practical guidance to the table, taking you on a journey through building and shipping enterprise-grade apps.This guide will teach you advanced application architectural design patterns such as separation of concerns, unit testing, and dependency injection. You'll also get to grips with Apex and fflib, create scalable services with Java, Node.js, and other languages using Salesforce Functions and Heroku, and find new ways to test Lightning UIs. These key topics, alongside a new chapter on exploring asynchronous processing features, are unique to this edition. You'll also benefit from an extensive case study based on how the Salesforce Platform delivers solutions.By the end of this Salesforce book, whether you are looking to publish the next amazing application on AppExchange or build packaged applications for your organization, you will be prepared with the latest innovations on the platform.

Mastering Microsoft Power BI. Expert techniques to create interactive insights for effective data analytics and business intelligence - Second Edition

Greg Deckler, Brett Powell, Leon Gordon

Mastering Microsoft Power BI, Second Edition, provides an advanced understanding of Power BI to get the most out of your data and maximize business intelligence. This updated edition walks through each essential phase and component of Power BI, and explores the latest, most impactful Power BI features.Using best practices and working code examples, you will connect to data sources, shape and enhance source data, and develop analytical data models. You will also learn how to apply custom visuals, implement new DAX commands and paginated SSRS-style reports, manage application workspaces and metadata, and understand how content can be staged and securely distributed via Power BI apps. Furthermore, you will explore top report and interactive dashboard design practices using features such as bookmarks and the Power KPI visual, alongside the latest capabilities of Power BI mobile applications and self-service BI techniques. Additionally, important management and administration topics are covered, including application lifecycle management via Power BI pipelines, the on-premises data gateway, and Power BI Premium capacity.By the end of this Power BI book, you will be confident in creating sustainable and impactful charts, tables, reports, and dashboards with any kind of data using Microsoft Power BI.

PostgreSQL 9 High Availability Cookbook. Over 100 recipes to design and implement a highly available server with the advanced features of PostgreSQL

Shaun Thomas

Instant RubyMine Assimilation. Utilize the RubyMine IDE to develop your own Ruby on Rails applications

Dave Jones, David L. Jones

Ruby and Ruby on Rails applications can become very complex very quickly, with hundreds of different files to contend with during a typical day of development. With RubyMine, you can become much more productive and let the IDE take care of the menial tasks while you concentrate on the details and structure of your applications.Instant RubyMine Assimilation shows you how to integrate the RubyMine development environment into your everyday development process. With step-by-step instructions and practical examples, you will learn how to customize the environment precisely to suit your needs, debug and test your code, and get the most out of many other features of RubyMine.Starting with the installation of RubyMine on your preferred platform, this guide will walk you through creating your first program. You will be taken through everything from the development and testing process all the way to deploying your website for the world to enjoy.You will learn how to manage your project in RubyMine including integrating version control, testing, and debugging your projects. Furthermore, you will learn how to navigate complex projects, view database tables, and utilize the built-in console and deployment tools of RubyMine, all of which will help you become an expert developerThis book will also teach you how to install and use Gems, change Ruby environments, and use code coverage and reports to enhance your testing. By the end of this book, you will be able to confidently deploy your Rails application to a server, all within the inviting environment that is RubyMine.