Bøker utgitt av Packt Publishing Limited

Modern Cross-Platform DevelopmentAbout This Book* Build modern, cross-platform applications with .NET Core* Get up to speed with C#, and up to date with all the latest features of C# 7* Start creating professional web applications with ASP.NET CoreWho This Book Is ForThis book is targeted towards readers who have some prior programming experience or have a science, technology, engineering, or mathematics (STEM) background, and want to gain a solid foundation with C# and to be introduced to the types of applications they could build and will work cross-platform on Windows, Linux, and macOS. What You Will Learn* Build cross-platform applications using C# 7 and .NET Core* Explore ASP.NET Core and learn how to create professional web applications* Improve your application's performance using multitasking* Use Entity Framework Core and find out how to build code-first databases* Master object-oriented programming with C# to increase code reuse and efficiency* Familiarize yourself with cross-device app development using the Universal Windows Platform and XAML* Query and manipulate data using LINQ* Protect your data by using encryption and hashingIn DetailIf you want to build powerful cross-platform applications with C# 7 and .NET Core, then this book is for you. First, we'll run you through the basics of C#, as well as object-oriented programming, before taking a quick tour through the latest features of C# 7 such as tuples, pattern matching, out variables, and so on. After quickly taking you through C# and how .NET works, we'll dive into the .NET Standard 1.6 class libraries, covering topics such as performance, monitoring, debugging, serialization and encryption. The final section will demonstrate the major types of application that you can build and deploy cross-device and cross-platform. In this section, we'll cover Universal Windows Platform (UWP) apps, web applications, mobile apps, and web services. Lastly, we'll look at how you can package and deploy your applications so that they can be hosted on all of today's most popular platforms, including Linux and Docker. By the end of the book, you'll be armed with all the knowledge you need to build modern, cross-platform applications using C# and .NET Core. Style and approachThis book takes a step-by-step approach and is filled with exciting projects and fascinating theory. It uses three high-impact sections to equip you with all the tools you'll need to build modern, cross-platform applications using C# and .NET Core.

Learn how to apply powerful data analysis techniques with popular open source Python modulesAbout This Book* Find, manipulate, and analyze your data using the Python 3.5 libraries* Perform advanced, high-performance linear algebra and mathematical calculations with clean and efficient Python code* An easy-to-follow guide with realistic examples that are frequently used in real-world data analysis projects. Who This Book Is ForThis book is for programmers, scientists, and engineers who have the knowledge of Python and know the basics of data science. It is for those who wish to learn different data analysis methods using Python 3.5 and its libraries. This book contains all the basic ingredients you need to become an expert data analyst. What You Will Learn* Install open source Python modules such NumPy, SciPy, Pandas, stasmodels, scikit-learn,theano, keras, and tensorflow on various platforms* Prepare and clean your data, and use it for exploratory analysis* Manipulate your data with Pandas* Retrieve and store your data from RDBMS, NoSQL, and distributed filesystems such as HDFS and HDF5* Visualize your data with open source libraries such as matplotlib, bokeh, and plotly* Learn about various machine learning methods such as supervised, unsupervised, probabilistic, and Bayesian* Understand signal processing and time series data analysis* Get to grips with graph processing and social network analysisIn DetailData analysis techniques generate useful insights from small and large volumes of data. Python, with its strong set of libraries, has become a popular platform to conduct various data analysis and predictive modeling tasks. With this book, you will learn how to process and manipulate data with Python for complex analysis and modeling. We learn data manipulations such as aggregating, concatenating, appending, cleaning, and handling missing values, with NumPy and Pandas. The book covers how to store and retrieve data from various data sources such as SQL and NoSQL, CSV fies, and HDF5. We learn how to visualize data using visualization libraries, along with advanced topics such as signal processing, time series, textual data analysis, machine learning, and social media analysis. The book covers a plethora of Python modules, such as matplotlib, statsmodels, scikit-learn, and NLTK. It also covers using Python with external environments such as R, Fortran, C/C++, and Boost libraries. Style and approachThe book takes a very comprehensive approach to enhance your understanding of data analysis. Sufficient real-world examples and use cases are included in the book to help you grasp the concepts quickly and apply them easily in your day-to-day work. Packed with clear, easy to follow examples, this book will turn you into an ace data analyst in no time.

Master the ins and outs of advanced operations with AnsibleAbout This Book* Learn how to extend Ansible with custom modules, plugins, and inventory sources* Utilize advanced Ansible features to orchestrate rolling updates with little to no service disruptions* An up-to-date book that brings to light the newly added features in Ansible 2.xWho This Book Is ForThis book is for Ansible developers and operators who have an understanding of the core elements and applications but are now looking to enhance their skills in applying automation using Ansible. What You Will Learn* Gain an in-depth understanding of how Ansible works under the covers* Fully automate the Ansible playbook executions with encrypted data* Access and manipulate variable data within playbooks* Use Blocks to construct failure recovery or cleanup* Explore the Playbook debugger and Ansible Console* Troubleshoot unexpected behavior effectively* Work with cloud infrastructure providers and container systems* Develop custom modules, plugins, and dynamic inventory sourcesIn DetailThis book provides you with the knowledge you need to understand how Ansible 2.1 works at a fundamental level and leverage its advanced capabilities. You'll learn how to encrypt Ansible content at rest and decrypt data at runtime. You will master the advanced features and capabilities required to tackle the complex automation challenges of today and beyond. You will gain detailed knowledge of Ansible workflows, explore use cases for advanced features, craft well thought out orchestrations, troubleshoot unexpected behaviour, and extend Ansible through customizations. Finally, you will discover the methods used to examine and debug Ansible operations, helping you to understand and resolve issues. By the end of the book, the readers will be able to unlock the true power of the Ansible automation engine and will tackle complex real world actions with ease. Style and approachThis clear, practical guide illustrates the advanced functionalities of Ansible, its system architecture, and design aspects that will help you to master Ansible with ease.

Discover over 100 easy-to-follow recipes to help you implement efficient game physics and collision detection in your gamesAbout This Book* Get a comprehensive coverage of techniques to create high performance collision detection in games* Learn the core mathematics concepts and physics involved in depicting collision detection for your games* Get a hands-on experience of building a rigid body physics engineWho This Book Is ForThis book is for beginner to intermediate game developers. You don't need to have a formal education in games-you can be a hobbyist or indie developer who started making games with Unity 3D. What You Will Learn* Implement fundamental maths so you can develop solid game physics* Use matrices to encode linear transformations* Know how to check geometric primitives for collisions* Build a Physics engine that can create realistic rigid body behavior* Understand advanced techniques, including the Separating Axis Theorem* Create physically accurate collision reactions* Explore spatial partitioning as an acceleration structure for collisions* Resolve rigid body collisions between primitive shapesIn DetailPhysics is really important for game programmers who want to add realism and functionality to their games. Collision detection in particular is a problem that affects all game developers, regardless of the platform, engine, or toolkit they use. This book will teach you the concepts and formulas behind collision detection. You will also be taught how to build a simple physics engine, where Rigid Body physics is the main focus, and learn about intersection algorithms for primitive shapes. You'll begin by building a strong foundation in mathematics that will be used throughout the book. We'll guide you through implementing 2D and 3D primitives and show you how to perform effective collision tests for them. We then pivot to one of the harder areas of game development-collision detection and resolution. Further on, you will learn what a Physics engine is, how to set up a game window, and how to implement rendering. We'll explore advanced physics topics such as constraint solving. You'll also find out how to implement a rudimentary physics engine, which you can use to build an Angry Birds type of game or a more advanced game. By the end of the book, you will have implemented all primitive and some advanced collision tests, and you will be able to read on geometry and linear Algebra formulas to take forward to your own games!Style and approachGain the necessary skills needed to build a Physics engine for your games through practical recipes, in an easy-to-read manner. Every topic explained in the book has clear, easy to understand code accompanying it.

Create real-world enterprise solutions with NAV, Cloud, and the Microsoft stackAbout This Book* Integrate NAV with various offerings of the Microsoft stack to create enterprise-ready and service-oriented solutions* Use Power BI and Universal Windows Platform for effective data analysis and real-time tracking with NAV* Discover the services offered by Microsoft Azure and implement them in different industries using real-world case scenariosWho This Book Is ForThis book is for NAV developers and solution architects who need to implement real-world enterprise solutions based on Microsoft Dynamics NAV. Knowledge of the NAV programming language (C/AL) and C# language is recommended. Knowledge of ASP.NET and Visual Studio development would help, but is not necessary. What You Will Learn* Configure NAV Web Services and create external applications with Visual Studio, .NET, and .NET Core* Solve technical architectural problems by implementing enterprise solutions with NAV* Develop applications and solutions with Microsoft Dynamics NAV and the Microsoft technology stack* Create a Power BI dashboard for rich reporting and NAV data analysis* Find out how to transmit your device location from a UWP application to NAV in order to implement a distributed solution for managing couriers in a sales company* Make the most of Microsoft Azure and its services* Create enterprise solutions with NAV by using Azure App Service* Use Azure Service Bus for managing distributed NAV applicationsIn DetailImplementing Microsoft Dynamics NAV in the real world often requires you to integrate the ERP with external applications or solve complex architectural tasks in order to have a final successful project. This book will show you how to extend a Microsoft Dynamics NAV installation to the enterprise world in a practical way. The book starts with an introduction to Microsoft Dynamics NAV architecture and then moves on to advanced topics related to implementing real-world solutions based on NAV and external applications. You will learn how an enterprise distributed architecture with NAV at the core can be implemented. Through a series of real-world cases on every topic and every industry (sales, retail, manufacturing, distribution, healthcare, and so on), you'll see step by step how to efficiently solve a technical problem. These common problems encountered in a NAV implementation will be solved using the entire technology stack that Microsoft offers. By the end of the book, you will have the knowledge to efficiently solve certain scenarios, you will know which is the best solution architecture to propose to a customer and how to implement it. Style and approachTaking you through a variety of real-world use cases, the book will show you step by step all you need to know to tackle these problems and give you creative ideas to implement in related problems you might come across in the real world.

Ultimate guide for programming Arduino with CAbout This Book* Get hands-on experience with the Ardruino board and learn to control it with your programming skills* Learn the essential concepts of C such as variables, data structures, functions, loops, and pointers* Work with electronic devices such as LEDs, switches, and motors and connect them to Arduino using CWho This Book Is ForThis book is for hobbyists who have no knowledge about programming and microcontrollers, but are keen to learn C programming using a very affordable hardware device. What You Will Learn* Play with mathematical operations using C* Use logical operations and loops to play with LEDs and the Arduino board* Create custom functions using C and connect an SD card to the Arduino* Use Object-oriented Programming to connect a GSM module to the Arduino board* Play with an LCD board and Servo using standard Arduino libraries* Build projects using Arduino such as a LED cube, a smart weather system, and home security* Identify and fix common errors on an Arduino boardIn DetailThis book will start with the fundamentals of C programming and programming topics, such data types, functions, decision making, program loops, pointers, and structures, with the help of an Arduino board. Then you will get acquainted with Arduino interactions with sensors, LEDs, and autonomous systems and setting up the Arduino environment. Moving on you will also learn how to work on the digital and analog I/O, establish serial communications with autonomous systems, and integrate with electronic devices. By the end of the book, you will be able to make basic projects such as LED cube and smart weather system that leverages C. Style and approachThis comprehensive step-by-step guide starts with the basic concepts of C for your Arduino board. It will teach you how to leverage C to explore the capabilities of Arduino.

Any software developers, architects, and technical managers lookng to learn about Azure IaaS essentials need look no further. This book is ideal for Microsoft Enterprise developers, DevOps or any IT professionals looking to connect cloud-based and on-premises systems with Azure.

The compilation of best skillset to harness Microsoft Dynamics NAV for Administrators, Consultants, and DevelopersAbout This Book* Take your skills to the next level with Dynamics NAV by implementing all the latest and advanced features* Get a comprehensive coverage of how the NAV system can be implemented and maintained to get the most out of it* Get powerful insights into how to integrate Dynamics NAV with third-party tolls and extend its functionalityWho This Book Is ForThis book is ideal for administrators, developers, and consultants who are looking to take their knowledge of Dynamics NAV to new heights. You're expected to have a basic knowledge of Dynamics NAV workflows and C/AL, C/SIDE development. What You Will Learn* Installing the NAV system in different environments* Implementing the system with the correct setup* Maintaining the system to get the best possible performance* Tuning up the Dynamics NAV to get better outcomes* The Version Control strategy for Dynamics NAV developers* Integrating other software and features to remove limitations* Understanding your own system better* Being able to solve customers' problems with "e;out-of-the-box"e; features* Reducing customization and additional development timeIn DetailThe book begins by giving you a brief introduction to setting up your NAV environment and shows you how to install and configure it according to your requirements. You will then dive deep into the latest design patterns, network architecture, and topologies. We will show you how you can integrate NAV with the Microsoft platform, and secure your deployment by managing roles and permissions. Moving on, we will explain how to monitor and manage server instances using the Administration tool. We'll discuss how you can take advantage of the expanded extensibility and connectivity capabilities for a tighter integration with the cloud as well as handheld devices. Then, we'll show you how you can make use of the PowerBI capabilities that have been built into Dynamics NAV. By the end of the book, you will be confident in developing and administering a Dynamics NAV implementation that will leverage all of the new features. Style and approachThis book takes a straightforward tutorial approach, providing you with step-by-step explanations and simple example-oriented walkthroughs. It is filled with use cases and situations that show you the different pitfalls you might encounter and how to get past them.

Over 80 practical and interesting recipes that explore the plethora of functionalities and opportunities available with Raspberry Pi ZeroAbout This Book* Deep dive into the components of the small yet powerful Raspberry Pi Zero* Get into grips with integrating various hardware, programming, and networking concepts with the so-called "e;cheapest computer"e;* Explore the functionalities of this $5 chip through practical recipesWho This Book Is ForThis book is for programmers and hobbyists who are eager to dive deep into the Raspberry Pi Zero. If you have basic or zero knowledge of the Raspberry Pi Zero, or if you looking for examples of ways to utilize the Raspberry Pi's GPIO interface, then this book is ideal for you. Basic knowledge of Python will be beneficial, and experience with circuitry and electronics will be needed for the later chapters in the book. What You Will Learn* Set up your Raspberry Pi Zero with the operating system, networking, and different interfaces* Get a hands-on introduction to Linux, Python, and shell scripts with the Raspberry Pi Zero* Become a master at driving GPIOs and controlling relays, motors, transistors, buzzers, audio, read switches, and interrupts with the Raspberry Pi Zero* Control GPIOs using the web interface and Node.js* Connect displays, LED matrixes, analog sensors, and digital sensors* Hack the Ethernet on the Raspberry Pi Zero* Make your Raspberry Pi Zero an IoT-based sensor node and remotely monitor your dataIn DetailThe Raspberry Pi Zero, one of the most inexpensive, fully-functional computers available, is a powerful and revolutionary product developed by the Raspberry Pi Foundation. The Raspberry Pi Zero opens up a new world for the makers out there. This book will give you expertise with the Raspberry Pi Zero, providing all the necessary recipes that will get you up and running. In this book, you will learn how to prepare your own circuits rather than buying the expensive add-ons available in the market. We start by showing you how to set up and manage the Pi Zero and then move on to configuring the hardware, running it with Linux, and programming it with Python scripts. Later, we integrate the Raspberry Pi Zero with sensors, motors, and other hardware. You will also get hands-on with interesting projects in media centers, IoT, and more. Style and approachThis recipe-based book will ensure you gain an intermediate-level knowledge of the Raspberry Pi Zero. This book contains comprehensive illustrations with specific schematics for each circuit diagram.

Leverage the power of Reactive Programming in PHPAbout This Book* Develop an interesting multiplayer browser game written in RxJS and re-implement it using RxPHP* Enhance existing reactive applications by building a CLI tool combining Symfony Console* Implement Gearman and Rabbit MQ for asynchronous communicationWho This Book Is ForThis book is aimed at people with a solid knowledge of PHP and programming languages in general. We also assume they have at least a little experience with other technologies such as JavaScript, Node.js, and others. What You Will Learn* How to work with the RxPHP library and see what it offers via many examples* Use the RxPHP library in combination with Symfony Console* The different approaches to using Symfony3's Event Dispatcher component* Test your reactive PHP code using PHPUnit* Analyze PHP source code and apply a custom set of rules by building a CLI toolIn DetailReactive Programming helps us write code that is concise, clear, and readable. Combining the power of reactive programming and PHP, one of the most widely used languages, will enable you to create web applications more pragmatically. PHP Reactive Programming will teach you the benefits of reactive programming via real-world examples with a hands-on approach. You will create multiple projects showing RxPHP in action alone and in combination with other libraries. The book starts with a brief introduction to reactive programming, clearly explaining the importance of building reactive applications. You will use the RxPHP library, built a reddit CLI using it, and also re-implement the Symfony3 Event Dispatcher with RxPHP. You will learn how to test your RxPHP code by writing unit tests. Moving on to more interesting aspects, you will implement a web socket backend by developing a browser game. You will learn to implement quite complex reactive systems while avoiding pitfalls such as circular dependencies by moving the RxJS logic from the frontend to the backend. The book will then focus on writing extendable RxPHP code by developing a code testing tool and also cover Using RxPHP on both the server and client side of the application. With a concluding chapter on reactive programming practices in other languages, this book will serve as a complete guide for you to start writing reactive applications in PHP. Style and approachThis book will teach readers how to build reactive applications in a step-by-step manner. It will also present several examples of reactive applications implemented with different frameworks.

Implement machine learning, time-series analysis, algorithmic trading and moreAbout This Book* Understand the basics of R and how they can be applied in various Quantitative Finance scenarios* Learn various algorithmic trading techniques and ways to optimize them using the tools available in R. * Contain different methods to manage risk and explore trading using Machine Learning. Who This Book Is ForIf you want to learn how to use R to build quantitative finance models with ease, this book is for you. Analysts who want to learn R to solve their quantitative finance problems will also find this book useful. Some understanding of the basic financial concepts will be useful, though prior knowledge of R is not required. What You Will Learn* Get to know the basics of R and how to use it in the field of Quantitative Finance* Understand data processing and model building using R* Explore different types of analytical techniques such as statistical analysis, time-series analysis, predictive modeling, and econometric analysis* Build and analyze quantitative finance models using real-world examples* How real-life examples should be used to develop strategies* Performance metrics to look into before deciding upon any model* Deep dive into the vast world of machine-learning based trading* Get to grips with algorithmic trading and different ways of optimizing it* Learn about controlling risk parameters of financial instrumentsIn DetailThe role of a quantitative analyst is very challenging, yet lucrative, so there is a lot of competition for the role in top-tier organizations and investment banks. This book is your go-to resource if you want to equip yourself with the skills required to tackle any real-world problem in quantitative finance using the popular R programming language. You'll start by getting an understanding of the basics of R and its relevance in the field of quantitative finance. Once you've built this foundation, we'll dive into the practicalities of building financial models in R. This will help you have a fair understanding of the topics as well as their implementation, as the authors have presented some use cases along with examples that are easy to understand and correlate. We'll also look at risk management and optimization techniques for algorithmic trading. Finally, the book will explain some advanced concepts, such as trading using machine learning, optimizations, exotic options, and hedging. By the end of this book, you will have a firm grasp of the techniques required to implement basic quantitative finance models in R. Style and approachThis book introduces you to the essentials of quantitative finance with the help of easy-to-understand, practical examples and use cases in R. Each chapter presents a specific financial concept in detail, backed with relevant theory and the implementation of a real-life example.

You?re pro Docker? You?ve read all about orchestration with Docker in books? Now learn how to troubleshoot Docker in practice. Gain all the tools to safely see Docker in action with this 2017 book.

Linux kernel is a complex, portable, modular, and widely used piece of software, running on around 80% of servers and embedded systems in more than half of devices throughout the World.

Explore pandas, the powerful Python library for data analysis and manipulation by working on real-world datasets. Get to grips with the fundamentals and learn to use pandas to clean messy data, independently analyze groups within your data, make powerful time-series calculations, and create beautiful visualizations during exploratory data analysis.

The Spring Framework is an application framework and inversion of the control container for the Java platform. Spring 5.0 is due to arrive with a myriad of new and exciting features. Written to the latest specifications of Spring, this book will help you implement the microservice architecture in Spring Framework, Spring Boot, and Spring Cloud.

FreeSWITCH is an open source telephony platform designed to facilitate the creation of voice and chat-driven products, scaling from a soft-phone to a PBX and even up to an enterprise-class soft-switch. This book introduces FreeSWITCH to IT professionals who want to build their own telephony system.