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236 tulosta hakusanalla Dmytro Bintsarovskyi

Boost.Asio C++ Network Programming Cookbook

Boost.Asio C++ Network Programming Cookbook

Dmytro Radchuk

Packt Publishing Limited
2016
nidottu
Over 25 hands-on recipes to create robust and highly-efficient cross-platform distributed applications with the Boost.Asio library About This Book • Build highly efficient distributed applications with ease • Enhance your cross-platform network programming skills with one of the most reputable C++ libraries • Find solutions to real-world problems related to network programming with ready-to-use recipes using this detailed and practical handbook Who This Book Is For If you want to enhance your C++ network programming skills using the Boost.Asio library and understand the theory behind development of distributed applications, this book is just what you need. The prerequisite for this book is experience with general C++11. To get the most from the book and comprehend advanced topics, you will need some background experience in multithreading. What You Will Learn • Boost your working knowledge of one of the most reputable C++ networking libraries—Boost.Asio • Familiarize yourself with the basics of TCP and UDP protocols • Create scalable and highly-efficient client and server applications • Understand the theory behind development of distributed applications • Increase the security of your distributed applications by adding SSL support • Implement a HTTP client easily • Use iostreams, scatter-gather buffers, and timers In Detail Starting with recipes demonstrating the execution of basic Boost.Asio operations, the book goes on to provide ready-to-use implementations of client and server applications from simple synchronous ones to powerful multithreaded scalable solutions. Finally, you are presented with advanced topics such as implementing a chat application, implementing an HTTP client, and adding SSL support. All the samples presented in the book are ready to be used in real projects just out of the box. As well as excellent practical examples, the book also includes extended supportive theoretical material on distributed application design and construction. Style and approach This book is a set of recipes, each containing the statement and description of a particular practical problem followed by code sample providing the solution to the problem and detailed step-by-step explanation. Recipes are grouped by topic into chapters and ordered by the level of complexity from basic to advanced.
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Computing And Optimization For Dc Power Systems Of Electric Transport

Computing And Optimization For Dc Power Systems Of Electric Transport

Dmytro Bosyi; Oleh Sablin; Yevhen Kosariev

World Scientific Europe Ltd
2020
sidottu
In the modern world, further development of society is impossible without environmentally friendly modes of transport and their effective interaction within the framework of Smart Energy and ECO-driving concepts. Written at a time of rapid development of information technologies in various fields, this book serves as a kind of bridge for the introduction of artificial intelligence into the electric transport power supply systems.The calculation models and methods proposed make it possible to choose the most efficient modern equipment for electric power supply of electric vehicles, which, as a result, saves investment costs and reduces time to make decisions for designing complex objects. Insight is also given into building and adjusting Smart Energy class equipment to achieve optimal and economical modes.
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Modern Web Testing with TestCafe

Modern Web Testing with TestCafe

Dmytro Shpakovskyi

Packt Publishing Limited
2020
nidottu
A no-nonsense guide to getting started with TestCafe quickly by building a complete test suite while learning the core concepts of test automation with TestCafeKey FeaturesBuild a proof-of-concept project to demonstrate your familiarity with TestCafeDiscover useful tips and best practices for building production-ready and fault-tolerant testsWrite clean and maintainable tests by refactoring your codebase using PageObject patternBook DescriptionTestCafe is an open source end-to-end testing framework that combines unmatched ease of use with advanced automation and robust built-in stability mechanisms. This book is a comprehensive, project-based introduction to TestCafe that will show you how to use the TestCafe framework and enable you to write fast and reliable tests; plus you’ll have a proof of concept ready to demonstrate the practical potential of TestCafe. You’ll begin by learning how to write end-to-end web tests using the TestCafe syntax and features of the TestCafe framework. You’ll then go from setting up the environment all the way through to writing production-ready tests. You’ll also find out how to build a sample set of tests in a step-by-step manner and use TestCafe to log in to the website, verify the elements present on different pages, create/delete entities, and run custom JavaScript code. As you advance, you’ll delve into several stages of refactoring that will take you through the showcase setup/teardown and PageObject patterns. While this test suite is relatively simple to build, it showcases some of the most prominent features of TestCafe. Finally, this TestCafe book will show you how the tests can be run on a free and simple-to-use website, without requiring you to build and deploy your own servers or backend services. By the end of this book, you’ll have learned how to write and enhance end-to-end tests with TestCafe to solve real-world problems and deliver results.What you will learnUnderstand the basic concepts of TestCafe and how it differs from classic SeleniumFind out how to set up a TestCafe test environmentRun TestCafe with command-line settingsVerify and execute TestCafe code in the browserAutomate end-to-end testing with TestCafe using expert techniquesDiscover best practices in TestCafe development and learn about the future roadmap of TestCafeWho this book is forThe book is for QA professionals, test engineers, software engineers, and test automation enthusiasts looking for hands-on guidance on learning about TestCafe. This book is also great for full-stack developers who want to learn more about new tools for testing their code. The book assumes a basic understanding of JavaScript, Node.js, HTML, CSS, and some simple Bash commands.
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How the Tricolor Got Its Stripes

How the Tricolor Got Its Stripes

Dmytro Dubilet

Profile Books Ltd
2023
sidottu
'A sparkling tour through the stories of the symbols we know so well' - Tim Marshall Starting with flags that we know, this captivating history explains the origins and hidden meanings of flags, taking a chatty but always entertaining path through this universal subject. Each chapter starts with a well-known flag and shows how that flag led to a number of other flags - so, for example, how the French tricolor led to the red, white and green tricolor of Italy, and then to a host of other tricolors in different parts of the world. Many of the over 200 colour illustrations feature alternative versions of existing flags - the flags that might have been - such as the red Canadian maple leaf between two bands of blue, representing the Atlantic and Pacific Oceans. This entertaining and very likeable history of flags was written by Ukrainian businessman and ex-cabinet minister Dmytro Dubilet and first published in Ukrainian six months before the start of the Ukrainian-Russian war.
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Environmental Control for Ensuring Cities Safety

Environmental Control for Ensuring Cities Safety

Dmytro Gulevets; Artur Zaporozhets; Volodymyr Isaienko; Kateryna Babikova

Springer Nature Switzerland AG
2021
sidottu
This proceedings book is devoted to the development of environmental analysis of the surface layer of atmospheric air and green areas of urbanized areas. The analysis of scientific and methodological developments for assessing the level of environmental safety of urbanized areas, taking into account the influence of chemical and physical factors, is carried out. The choice of criteria for assessing the ecological state of the surface layer of atmospheric air is theoretically substantiated. The hazard index of the surface layer of atmospheric air, taking into account the influence of chemical and physical factors, and a method of its visual representation are proposed. An assessment of the environmental risk of the influence of the surface layer of the atmosphere was carried out. A quantitative assessment of the energy balance of the green zone is carried out for Kyiv city (Ukraine). Schemes for informing the population about the ecological state of air in real time are developed. The book is for researchers, engineers, as well as lecturers and postgraduates of higher education institutions dealing with issues of atmospheric pollution, ecological safety and urbanization.
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Environmental Control for Ensuring Cities Safety

Environmental Control for Ensuring Cities Safety

Dmytro Gulevets; Artur Zaporozhets; Volodymyr Isaienko; Kateryna Babikova

Springer Nature Switzerland AG
2022
nidottu
This proceedings book is devoted to the development of environmental analysis of the surface layer of atmospheric air and green areas of urbanized areas. The analysis of scientific and methodological developments for assessing the level of environmental safety of urbanized areas, taking into account the influence of chemical and physical factors, is carried out. The choice of criteria for assessing the ecological state of the surface layer of atmospheric air is theoretically substantiated. The hazard index of the surface layer of atmospheric air, taking into account the influence of chemical and physical factors, and a method of its visual representation are proposed. An assessment of the environmental risk of the influence of the surface layer of the atmosphere was carried out. A quantitative assessment of the energy balance of the green zone is carried out for Kyiv city (Ukraine). Schemes for informing the population about the ecological state of air in real time are developed. The book is for researchers, engineers, as well as lecturers and postgraduates of higher education institutions dealing with issues of atmospheric pollution, ecological safety and urbanization.
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Nonlinear Mode Decomposition

Nonlinear Mode Decomposition

Dmytro Iatsenko

Springer International Publishing AG
2015
sidottu
This work introduces a new method for analysing measured signals: nonlinear mode decomposition, or NMD. It justifies NMD mathematically, demonstrates it in several applications and explains in detail how to use it in practice. Scientists often need to be able to analyse time series data that include a complex combination of oscillatory modes of differing origin, usually contaminated by random fluctuations or noise. Furthermore, the basic oscillation frequencies of the modes may vary in time; for example, human blood flow manifests at least six characteristic frequencies, all of which wander in time. NMD allows us to separate these components from each other and from the noise, with immediate potential applications in diagnosis and prognosis. Mat Lab codes for rapid implementation are available from the author. NMD will most likely come to be used in a broad range of applications.
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Nonlinear Mode Decomposition

Nonlinear Mode Decomposition

Dmytro Iatsenko

Springer International Publishing AG
2016
nidottu
This work introduces a new method for analysing measured signals: nonlinear mode decomposition, or NMD. It justifies NMD mathematically, demonstrates it in several applications and explains in detail how to use it in practice. Scientists often need to be able to analyse time series data that include a complex combination of oscillatory modes of differing origin, usually contaminated by random fluctuations or noise. Furthermore, the basic oscillation frequencies of the modes may vary in time; for example, human blood flow manifests at least six characteristic frequencies, all of which wander in time. NMD allows us to separate these components from each other and from the noise, with immediate potential applications in diagnosis and prognosis. Mat Lab codes for rapid implementation are available from the author. NMD will most likely come to be used in a broad range of applications.
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Qualität von Web Services

Qualität von Web Services

Dmytro Rud

AV Akademikerverlag
2012
pokkari
Inhaltlich unver nderte Neuauflage. Web Services stellen eine neue Technologie verteilter Anwendungen dar, welche - dank der Benutzung standardisierter Formate und Protokolle - viele Interoperabilit ts- und Kompatibilit tsprobleme l sen soll, die bei der Verwendung fr herer Technologien vorkamen. Die Dienstg te (quality of service, QoS) von Web Services hat viele Aspekte, wie z.B. Performance, Skalierbarkeit, Sicherheit usw. In dieser Arbeit steht die Performance im Mittelpunkt. Im ersten Teil des Buches werden grundlegende Web Service-Technologien sowie ihre Bedeutung im Kontext der Dienstg te untersucht. Danach folgt eine Analyse von existierenden mathematischen Modellen, komplexen Managementinfrastrukturen und praktischen Fallstudien auf dem Gebiet der Qualit tssicherung von Web Services. Der zweite Teil beschreibt einen Web Service-Messservice. Es werden theoretische und technische Aspekte der Messung der Performance von Web Services sowie der Aufbau der wichtigsten Komponente des Messservice - des Lasttreibers - diskutiert. Schlie lich werden interne Abl ufe und die webbasierte Benutzerschnittstelle des Messservice beschrieben. Das Buch richtet sich an Praktiker, die sich mit Web Services befassen.
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