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＜p＞A guide to writing comprehensive test plans covering exploratory testing and feature specification; black and white box testing; security, usability, and maintainability; and load and stress testing Key Features ? Cover all key forms of testing for modern applications systematically ? Understand anti-patterns and pitfalls in system design with the help of practical examples ? Learn the strengths and weaknesses of different forms of testing and how to combine them effectively Book Description Software Test Design details best practices for testing software applications and writing comprehensive test plans. Written by an expert with over twenty years of experience in the high-tech industry, this guide will provide you with training and practical examples to improve your testing skills. Thorough testing requires a thorough understanding of the functionality under test, informed by exploratory testing and described by a detailed functional specification. This book is divided into three sections, the first of which will describe how best to complete those tasks to start testing from a solid foundation. Armed with the feature specification, functional testing verifies the visible behavior of features by identifying equivalence partitions, boundary values, and other key test conditions. This section explores techniques such as black- and white-box testing, trying error cases, finding security weaknesses, improving the user experience, and how to maintain your product in the long term. The final section describes how best to test the limits of your application. How does it behave under failure conditions and can it recover? What is the maximum load it can sustain? And how does it respond when overloaded? By the end of this book, you will know how to write detailed test plans to improve the quality of your software applications. What you will learn ? Understand how to investigate new features using exploratory testing ? Discover how to write clear, detailed feature specifi cations ? Explore systematic test techniques such as equivalence partitioning ? Understand the strengths and weaknesses of black- and white-box testing ? Recognize the importance of security, usability, and maintainability testing ? Verify application resilience by running destructive tests ? Run load and stress tests to measure system performance Who this book is for This book is for anyone testing software projects for mobile, web, or desktop applications. That includes Dedicated QA engineers managing software quality, Test and test automation engineers writing formal test plans, Test and QA managers running teams responsible for testing, Product owners responsible for product delivery, and Developers who want to improve the testing of their code.＜/p＞画面が切り替わりますので、しばらくお待ち下さい。
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＜p＞Leverage your source data from hundreds of different connections, perform millions of different transformations, and easily manage highly complex data lifecycles with Power Query Key Features ? Collect, combine, and transform data using Power Query's data connectivity and data preparation features ? Overcome the problems faced while accessing data from multiple sources and reshape it to meet your business requirements ? Explore how the M language can be used to write your own customized solutions Book Description Power Query is a data preparation tool that enables data engineers and business users to connect, reshape, enrich, and transform their data to facilitate relevant business insights and analysis. With Power Query's wide range of features, you can perform no-code transformations and complex M code functions at the same time to get the most out of your data. This Power Query book will help you to connect to data sources, achieve intuitive transformations, and get to grips with preparation practices. Starting with a general overview of Power Query and what it can do, the book advances to cover more complex topics such as M code and performance optimization. You'll learn how to extend these capabilities by gradually stepping away from the Power Query GUI and into the M programming language. Additionally, the book also shows you how to use Power Query Online within Power BI Dataflows. By the end of the book, you'll be able to leverage your source data, understand your data better, and enrich it with a full stack of no-code and custom features that you'll learn to design by yourself for your business requirements. What you will learn ? Understand how to use Power Query to connect and explore data ? Explore ways to reshape and enrich data ? Discover the potential of Power Query across the Microsoft platform ? Build complex and custom transformations ? Use M code to write new queries against data sources ? Use the Power Query Online tool within Power BI Dataflows ? Implement best practices such as reusing dataflows, optimizing expanding table operations, and field mapping Who this book is for This book is for data analysts, BI developers, data engineers, and anyone looking for a desk reference guide to learn how Power Query can be used with different Microsoft products to handle data of varying complexity. Beginner-level knowledge of Power BI and the M Language will help you to get the best out of this book.＜/p＞画面が切り替わりますので、しばらくお待ち下さい。
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＜p＞＜strong＞Discover advanced virtualization techniques and strategies to deliver centralized desktop and application services＜/strong＞＜/p＞ ＜h4＞Key Features＜/h4＞ ＜ul＞ ＜li＞Leverage advanced desktop virtualization techniques and strategies to transform your organization＜/li＞ ＜li＞Build better virtualized services for your users with VMware Horizon 7.8＜/li＞ ＜li＞Develop and deploy end-to-end virtualized solutions＜/li＞ ＜/ul＞ ＜h4＞Book Description＜/h4＞ ＜p＞Desktop virtualization can be tough, but VMware Horizon 7.8 changes all that. With a rich and adaptive UX, improved security,and a range of useful features for storage and networking optimization, there's plenty to love.＜/p＞ ＜p＞But to properly fall in love with it, you need to know how to use it, and that means venturing deeper into the software and taking advantage of its extensive range of features, many of which are underused and underpromoted. This guide will take you through everything you need to know to not only successfully virtualize your desktop infrastructure, but also to maintain and optimize it to keep all your users happy.＜/p＞ ＜p＞We'll show you how to assess and analyze your infrastructure, and how to use that analysis to design a solution that meets your organizational and user needs. Once you've done that, you'll find out how to build your virtualized environment, before deploying your virtualized solution. But more than that,we'll also make sure you know everything you need to know about the full range of features on offer, including the mobile cloud, so that you can use them to take full control of your virtualized infrastructure.＜/p＞ ＜h4＞What you will learn＜/h4＞ ＜ul＞ ＜li＞Successfully configure Horizon 7.8 for the needs of your users＜/li＞ ＜li＞Deliver virtual desktops, session-based desktops, and hosted applications＜/li＞ ＜li＞Become familiar with how to develop, and deploy, a complete, end-to-end solution＜/li＞ ＜li＞Discover how to optimize desktop OS images for virtual desktops＜/li＞ ＜li＞Build, optimize, and tune desktop operating systems to deliver a superior end user experience＜/li＞ ＜li＞Explore the Horizon 7.8 infrastructure so that you can take full advantage of it＜/li＞ ＜/ul＞ ＜h4＞Who this book is for＜/h4＞ ＜p＞This book is ideal for system admins, and solution architects interested in gaining hands-on experience with virtualization. It will take you to an advanced level, but at a pace that ensures you are always solving real-world problems. Some experience in desktop management using Windows and Microsoft Office (and familiarity with Active Directory, SQL, Windows Remote Desktop Session Hosting, and VMware vSphere technology) is necessary.＜/p＞画面が切り替わりますので、しばらくお待ち下さい。
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＜p＞＜strong＞Master over 170 recipes that will help you turn QGIS from a desktop GIS tool into a powerful automated geospatial framework＜/strong＞＜/p＞ ＜h2＞About This Book＜/h2＞ ＜ul＞ ＜li＞Delve into the undocumented features of the QGIS API＜/li＞ ＜li＞Get a set of user-friendly recipes that can automate entire geospatial workflows by connecting Python GIS building blocks into comprehensive processes＜/li＞ ＜li＞This book has a complete code upgrade to QGIS 2.18 and 30 new, valuable recipes＜/li＞ ＜/ul＞ ＜h2＞Who This Book Is For＜/h2＞ ＜p＞This book is for geospatial analysts who want to learn more about automating everyday GIS tasks as well as programmers responsible for building GIS applications. The short, reusable recipes make concepts easy to understand and combine so you can build larger applications that are easy to maintain.＜/p＞ ＜h2＞What You Will Learn＜/h2＞ ＜ul＞ ＜li＞Use Python and QGIS to produce captivating GIS visualizations and build complex map layouts＜/li＞ ＜li＞Find out how to effectively use the poorly-documented and undocumented features of the QGIS Python API＜/li＞ ＜li＞Automate entire geospatial workflows by connecting Python GIS building blocks into comprehensive processes＜/li＞ ＜li＞Create, import, and edit geospatial data on disk or in-memory＜/li＞ ＜li＞Change QGIS settings programmatically to control default behavior＜/li＞ ＜li＞Automatically generate PDF map books＜/li＞ ＜li＞Build dynamic forms for field input＜/li＞ ＜/ul＞ ＜h2＞In Detail＜/h2＞ ＜p＞QGIS is a desktop geographic information system that facilitates data viewing, editing, and analysis. Paired with the most efficient scripting languageーPython, we can write effective scripts that extend the core functionality of QGIS.＜/p＞ ＜p＞Based on version QGIS 2.18, this book will teach you how to write Python code that works with spatial data to automate geoprocessing tasks in QGIS. It will cover topics such as querying and editing vector data and using raster data. You will also learn to create, edit, and optimize a vector layer for faster queries, reproject a vector layer, reduce the number of vertices in a vector layer without losing critical data, and convert a raster to a vector. Following this, you will work through recipes that will help you compose static maps, create heavily customized maps, and add specialized labels and annotations. As well as this, we'll also share a few tips and tricks based on different aspects of QGIS.＜/p＞ ＜h2＞Style and approach＜/h2＞ ＜p＞This book follows a recipe-based problem-solution approach to address and dispel challenges faced when implementing and using QGIS on a regular basis.＜/p＞画面が切り替わりますので、しばらくお待ち下さい。
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