Advanced Blockchain Development. Build highly secure, decentralized applications and conduct secure transactions

Imran Bashir, Narayan Prusty

Blockchain technology is a distributed ledger with applications in industries such as finance, government, and media. This Learning Path is your guide to building blockchain networks using Ethereum, JavaScript, and Solidity. You will get started by understanding the technical foundations of blockchain technology, including distributed systems, cryptography and how this digital ledger keeps data secure. Further into the chapters, you’ll gain insights into developing applications using Ethereum and Hyperledger. As you build on your knowledge of Ether security, mining, smart contracts, and Solidity, you’ll learn how to create robust and secure applications that run exactly as programmed without being affected by fraud, censorship, or third-party interference. Toward the concluding chapters, you’ll explore how blockchain solutions can be implemented in applications such as IoT apps, in addition to its use in currencies. This Learning Path also highlights how you can increase blockchain scalability, and discusses the future scope of this fascinating and powerful technology. By the end of this Learning Path, you'll be equipped with the skills you need to tackle pain points encountered in the blockchain life cycle and confidently design and deploy decentralized applications.

Building Apple Watch Projects. Click here to enter text

Stuart Grimshaw

With Apple’s eagerly anticipated entry into the wearable arena, the field is wide open for a new era of app development. The Apple Watch is one of the most important technologies of our time. This easy-to-understand book takes beginners on a delightful journey of discovering the features available to the developer, right up to the completion of medium-level projects ready for App Store submission. It provides the fastest way to develop real-world apps for the Apple Watch by teaching you the concepts of Watch UI, visual haptic and audio, message and data exchange between watch and phone, Web communication, and finally Visual, haptic as well as audio feedback for users.By the end of this book, you will have developed at least four fully functioning apps for deployment on watchOS 2.

Edit without Tears with Final Cut Pro. Elevate your video editing skills with professional workflows and techniques

Bruce G. Macbryde

Edit Without Tears with Final Cut Pro is your essential guide to overcoming challenges in video editing using Final Cut Pro, simplifying complex procedures and workflows and providing a structured approach for efficient and impressive video editing. This book will change how you approach editing, guiding you to create professional-grade videos with ease and confidence.Throughout the book, you'll enhance your efficiency and speed, while also learning unique workflows for common tasks. The comprehensive coverage spans planning video narratives, crafting preliminary edits and refining them, improving audio quality, setting up and editing multicam sequences, leveraging the inspector's controls, and working with both built-in and third-party plugins. You’ll then advance to animating objects using keyframes, utilizing color scopes for advanced color correction, and troubleshooting common issues confidently.By the end of this Final Cut Pro book, you’ll have developed an efficient editing style, unlocking the full power of this video editing software for your creative endeavors.

Hands-On Gradient Boosting with XGBoost and scikit-learn. Perform accessible machine learning and extreme gradient boosting with Python

Corey Wade, Kevin Glynn

XGBoost is an industry-proven, open-source software library that provides a gradient boosting framework for scaling billions of data points quickly and efficiently.The book introduces machine learning and XGBoost in scikit-learn before building up to the theory behind gradient boosting. You’ll cover decision trees and analyze bagging in the machine learning context, learning hyperparameters that extend to XGBoost along the way. You’ll build gradient boosting models from scratch and extend gradient boosting to big data while recognizing speed limitations using timers. Details in XGBoost are explored with a focus on speed enhancements and deriving parameters mathematically. With the help of detailed case studies, you’ll practice building and fine-tuning XGBoost classifiers and regressors using scikit-learn and the original Python API. You'll leverage XGBoost hyperparameters to improve scores, correct missing values, scale imbalanced datasets, and fine-tune alternative base learners. Finally, you'll apply advanced XGBoost techniques like building non-correlated ensembles, stacking models, and preparing models for industry deployment using sparse matrices, customized transformers, and pipelines.By the end of the book, you’ll be able to build high-performing machine learning models using XGBoost with minimal errors and maximum speed.

Flutter Design Patterns and Best Practices. Build scalable, maintainable, and production-ready apps using effective architectural principles

Daria Orlova, Esra Kadah, Jaime Blasco

Flutter’s rapid adoption by developers and businesses alike has led to an increased demand for skilled developers who can deliver high-quality Flutter apps. Flutter can be a great tool to develop apps for yourself, but you don’t always need to consider things like scalability or business goals as a hobbyist. When you build apps for a business, however, you must use specific tools to help the business achieve its goals. This requires solutions to be fast, reliable, and delivered on time. This book will help you meet these business requirements.You'll begin by learning how to build responsive UIs that work on all devices. Next, you'll delve into state management, understanding how to select the appropriate solution and gaining hands-on experience with InheritedWidget, ChangeNotifier, and BLoC. Later, you'll move on to high-level practices such as layered architecture, dependency injection, and repository patterns. The book will also show you how to develop features of any complexity, such as multithreading and native layer implementations. You'll also learn how to ensure the quality of your solutions by prioritizing testing.By the end of this book, you'll be able to deliver well-architected Flutter projects that are stable, scalable, and maintainable.

IBM Cognos 8 Planning. Engineer a clear-cut strategy for achieving best-in-class results using IBM Cognos 8 Planning with this book and

Rich Babaran, Ned Riaz, Jason Edwards

Business planning is no longer just about defining goals, identifying critical issues, and then mapping out strategies. In today's dynamic and highly competitive business environment, companies with complex business models want their abstract strategies turned into discrete, executable plans. They want information from the field to reach decision makers in real-time so that they can fine-tune their plans as events unfold. IBM Cognos 8 Planning offers just that.This book provides you with everything you need to know for building planning models using IBM Cognos 8 Planning. After reading this book, you can begin your journey into model building bringing with you a perspective that comes from three of the most seasoned IBM Cognos Planning consultants in the business.In this book, you will learn how to build planning models using IBM Cognos Planning's modeling tool, Analyst. We introduce you to key objects in Analyst that let you define, store, and move data. Then we show how you can deploy the model to hundreds or thousands of users using IBM Cognos Planning's web-based tool, Contributor. We demonstrate some of the things you can do as an administrator and as a user. Finally, we show the automation tools that you can use to maintain and support your models. As we go through this, we will share with you tips and tricks and insights from our experience with real implementations.

Next-Level UI Development with PrimeNG. Master the versatile Angular component library to build stunning Angular applications

Dale Nguyen

Elevate your UI development skills with Next-Level UI Development with PrimeNG. In a digital landscape where the user interface plays a pivotal role, PrimeNG expertise is essential for Angular developers. This all-encompassing book shows you how to unleash this powerful UI component library in your Angular projects.From the initial setup to integration, you'll explore the synergy between Angular and PrimeNG and how it can help you enhance your projects. You’ll work with a wide range of UI components and features, such as input controls, data display, manipulation, and navigation, which allow you to build intuitive and dynamic user interfaces. You'll also discover advanced techniques and best practices for theming, performance optimization, creating reusable components, and handling internationalization and localization. With insights into testing and debugging PrimeNG components, this book ensures the development of robust and error-free applications, and finally guides you toward putting your knowledge into practice by building a real-world responsive web application.By the end of this book, you will be able to harness the full potential of PrimeNG, enabling you to create extraordinary web experiences that stand out from the rest.

Data Modeling with Tableau. A practical guide to building data models using Tableau Prep and Tableau Desktop

Kirk Munroe

Tableau is unlike most other BI platforms that have a single data modeling tool and enterprise data model (for example, LookML from Google’s Looker). That doesn’t mean Tableau doesn’t have enterprise data governance; it is both robust and highly flexible. This book will help you effectively use Tableau governance models to build a data-driven organization.Data Modeling with Tableau is an extensive guide, complete with step-by-step explanations of essential concepts, practical examples, and hands-on exercises. As you progress through the chapters, you’ll learn the role that Tableau Prep Builder and Tableau Desktop each play in data modeling. You’ll also explore the components of Tableau Server and Tableau Cloud that make data modeling more robust, secure, and performant. Moreover, by extending data models for Ask and Explain Data, you’ll gain the knowledge required to extend analytics to more people in their organizations, leading to better data-driven decisions. Finally, this book will guide you through the entire Tableau stack and the techniques required to build the right level of governance into Tableau data models for the correct use cases.By the end of this Tableau book, you’ll have a firm understanding of how to leverage data modeling in Tableau to benefit your organization.

Django 2 Web Development Cookbook. 100 practical recipes on building scalable Python web apps with Django 2 - Third Edition

Jake Kronika, Aidas Bendoraitis

Django is a framework designed to balance rapid web development with high performance. It handles high levels of user traffic and interaction, integrates with a variety of databases, and collects and processes data in real time. This book follows a task-based approach to guide you through developing with the Django 2.1 framework, starting with setting up and configuring Docker containers and a virtual environment for your project.You'll learn how to write reusable pieces of code for your models and manage database changes. You'll work with forms and views to enter and list data, applying practical examples using templates and JavaScript together for the optimum user experience. This cookbook helps you to adjust the built-in Django administration to fit your needs and sharpen security and performance to make your web applications as robust, scalable, and dependable as possible. You'll also explore integration with Django CMS, the popular content management suite.In the final chapters, you'll learn programming and debugging tricks and discover how collecting data from different sources and providing it to others in various formats can be a breeze. By the end of the book, you'll learn how to test and deploy projects to a remote dedicated server and scale your application to meet user demands.

Social Media for Wordpress: Build Communities, Engage Members and Promote Your Site. A quicker way to build communities, engage members, and promote your site with this book and

Michael Kuhlmann

Mastering Ubuntu Server. Master the art of deploying, configuring, managing, and troubleshooting Ubuntu Server 18.04 - Second Edition

Jay LaCroix

Ubuntu Server has taken the data centers by storm. Whether you're deploying Ubuntu for a large-scale project or for a small office, it is a stable, customizable, and powerful Linux distribution that leads the way with innovative and cutting-edge features. For both simple and complex server deployments, Ubuntu's flexible nature can be easily adapted to meet to the needs of your organization. With this book as your guide, you will learn all about Ubuntu Server, from initial deployment to creating production-ready resources for your network. The book begins with the concept of user management, group management, and filesystem permissions. Continuing into managing storage volumes, you will learn how to format storage devices, utilize logical volume management, and monitor disk usage. Later, you will learn how to virtualize hosts and applications, which will cover setting up KVM/QEMU, as well as containerization with both Docker and LXD. As the book continues, you will learn how to automate configuration with Ansible, as well as take a look at writing scripts. Lastly, you will explore best practices and troubleshooting techniques when working with Ubuntu Server that are applicable to real-world scenarios. By the end of the book, you will be an expert Ubuntu Server administrator who is well-versed in its advanced concepts.

Deep Learning for Time Series Cookbook. Use PyTorch and Python recipes for forecasting, classification, and anomaly detection

Vitor Cerqueira, Luís Roque

Most organizations exhibit a time-dependent structure in their processes, including fields such as finance. By leveraging time series analysis and forecasting, these organizations can make informed decisions and optimize their performance. Accurate forecasts help reduce uncertainty and enable better planning of operations. Unlike traditional approaches to forecasting, deep learning can process large amounts of data and help derive complex patterns. Despite its increasing relevance, getting the most out of deep learning requires significant technical expertise.This book guides you through applying deep learning to time series data with the help of easy-to-follow code recipes. You’ll cover time series problems, such as forecasting, anomaly detection, and classification. This deep learning book will also show you how to solve these problems using different deep neural network architectures, including convolutional neural networks (CNNs) or transformers. As you progress, you’ll use PyTorch, a popular deep learning framework based on Python to build production-ready prediction solutions.By the end of this book, you'll have learned how to solve different time series tasks with deep learning using the PyTorch ecosystem.

Troubleshooting PostgreSQL. Intercept problems and challenges typically faced by PostgreSQL database administrators with the best troubleshooting techniques

Vasilis Ventirozos, Hans-Jürgen Schönig, kevin vicrey

YUI 2.8: Learning the Library. Develop your next-generation web applications with the YUI JavaScript development library

Dan Wellman, Daniel Barreiro, Daniel Osvaldo Barreiro

The YUI Library is a set of utilities and controls written in JavaScript for building Rich Internet Applications, across all major browsers and independently of any server technology. There's a lot of functionality baked into YUI, but getting to and understanding that functionality is not for the faint of heart. This book gives you a clear picture of YUI through a step-by-step approach, packed with lots of examples.YUI 2.8: Learning the Library covers all released (non-beta) components of the YUI 2.8 Library in detail with plenty of working examples, looking at the classes that make up each component and the properties and methods that can be used. It includes a series of practical examples to reinforce how each component should/can be used, showing its use to create complex, fully featured, cross-browser, Web 2.0 user interfaces. It has been updated from its first edition with the addition of several chapters covering several new controls and enriched with lots of experience of using them.You will learn to create a number of powerful JavaScript controls that can be used straightaway in your own applications. Besides giving you a deep understanding of the YUI library, this book will expand your knowledge of object-oriented JavaScript programming, as well as strengthen your understanding of the DOM and CSS. The final chapter describes many of the tools available to assist you the developer in debugging, maintaining, and ensuring the best quality in your code. In this new edition, all the examples have been updated to use the most recent coding practices and style and new ones added to cover newer components. Since the basic documentation for the library is available online, the focus is on providing insight and experience.The authors take the reader from beginner to advanced-level YUI usage and understanding.

A Developer's Guide to Building Resilient Cloud Applications with Azure. Deploy applications on serverless and event-driven architecture using a cloud database

Hamida Rebai Trabelsi, Lori Lalonde

To deliver software at a faster rate and reduced costs, companies with stable legacy systems and growing data volumes are trying to modernize their applications and accelerate innovation, but this is no easy matter. A Developer’s Guide to Building Resilient Cloud Applications with Azure helps you overcome these application modernization challenges to build secure and reliable cloud-based applications on Azure and connect them to databases with the help of easy-to-follow examples.The book begins with a basic definition of serverless and event-driven architecture and Database-as-a-Service, before moving on to an exploration of the different services in Azure, namely Azure APIManagement using the gateway pattern, event-driven architecture, Event Grid, Azure Event Hubs, Azure message queues, FaaS using Azure Functions, and the database-oriented cloud. Throughout the chapters, you’ll learn about creating, importing, and managing APIs and Service Fabric in Azure, and discover how to ensure continuous integration and deployment in Azure to fully automate the software delivery process, that is, the build and release process.By the end of this book, you’ll be able to build and deploy cloud-oriented applications using APIs, serverless, Service Fabric, Azure Functions, and Event Grid technologies.

Raspberry Pi Robotic Blueprints. Utilize the powerful ingredients of Raspberry Pi to bring to life your amazing robots that can act, draw, and have fun with laser tags

Wolfram Donat, Richard Grimmett

The Raspberry Pi is a series of credit card-sized single-board computers developed in the UK by the Raspberry Pi Foundation with the intention of promoting the teaching of basic computer science in schools. The Raspberry Pi is known as a tiny computer built on a single circuit board. It runs a Linux operating system, and has connection ports for various peripherals so that it can be hooked up to sensors, motors, cameras, and more. Raspberry Pi has been hugely popular among hardware hobbyists for various projects, including robotics. This book gives you an insight into implementing several creative projects using the peripherals provided by Raspberry Pi. To start, we’ll walk through the basic robotics concepts that the world of Raspberry Pi offers us, implementing wireless communication to control your robot from a distance. Next, we demonstrate how to build a sensible and a visionary robot, maximizing the use of sensors and step controllers. After that, we focus on building a wheeled robot that can draw and play hockey. To finish with a bang, we’ll build an autonomous hexcopter, that is, a flying robot controlled by Raspberry Pi.By the end of this book, you will be a maestro in applying an array of different technologies to create almost any imaginable robot.

Mastering macOS Programming. Hands-on guide to macOS Sierra Application Development

Stuart Grimshaw, Gregory Casamento

macOS continues to lead the way in desktop operating systems, with its tight integration across the Apple ecosystem of platforms and devices. With this book, you will get an in-depth knowledge of working on macOS, enabling you to unleash the full potential of the latest version using Swift 3 to build applications.This book will help you broaden your horizons by taking your programming skills to next level. The initial chapters will show you all about the environment that surrounds a developer at the start of a project. It introduces you to the new features that Swift 3 and Xcode 8 offers and also covers the common design patterns that you need to know for planning anything more than trivial projects. You will then learn the advanced Swift programming concepts, including memory management, generics, protocol orientated and functional programming and with this knowledge you will be able to tackle the next several chapters that deal with Apple’s own Cocoa frameworks. It also covers AppKit, Foundation, and Core Data in detail which is a part of the Cocoa umbrella framework. The rest of the book will cover the challenges posed by asynchronous programming, error handling, debugging, and many other areas that are an indispensable part of producing software in a professional environment.By the end of this book, you will be well acquainted with Swift, Cocoa, and AppKit, as well as a plethora of other essential tools, and you will be ready to tackle much more complex and advanced software projects.

Adopting .NET 5. Understand modern architectures, migration best practices, and the new features in .NET 5

Hammad Arif, Habib Qureshi

.NET 5 is the unification of all .NET technologies in a single framework that can run on all platforms and provide a consistent experience to developers, regardless of the device, operating system (OS), or cloud platform they choose.By updating to .NET 5, you can build software that can quickly adapt to the rapidly changing demands of modern consumers and stay up to date on the latest technology trends in .NET.This book provides a comprehensive overview of all the technologies that will form the future landscape of .NET using practical examples based on real-world scenarios, along with best practices to help you migrate from legacy platforms.You’ll start by learning about Microsoft’s vision and rationale for the unification of the platforms. Then, you’ll cover all the new language enhancements in C# 9. As you advance, you’ll find out how you can align yourself with modern technology trends, focusing on everything from microservices to orchestrated containerized deployments. Finally, you’ll learn how to effectively integrate machine learning in .NET code.By the end of this .NET book, you’ll have gained a thorough understanding of the .NET 5 platform, together with a readiness to adapt to future .NET release cycles, and you’ll be able to make architectural decisions about porting legacy systems and code bases to a newer platform.

Tableau: Creating Interactive Data Visualizations. Creating Interactive Data Visualizations

Matt Floyd, Jen Stirrup, Ashley Ohmann, Ashutosh Nandeshwar

With increasing interest for data visualization in the media, businesses are looking to create effective dashboards that engage as well as communicate the truth of data. Tableau makes data accessible to everyone, and is a great way of sharing enterprise dashboards across the business. Tableau is a revolutionary toolkit that lets you simply and effectively create high-quality data visualizations.This course starts with making you familiar with its features and enable you to develop and enhance your dashboard skills, starting with an overview of what dashboard is, followed by how you can collect data using various mathematical formulas. Next, you'll learn to filter and group data, as well as how to use various functions to present the data in an appealing and accurate way. In the first module, you will learn how to use the key advanced string functions to play with data and images. You will be walked through the various features of Tableau including dual axes, scatterplot matrices, heat maps, and sizing.In the second module, you’ll start with getting your data into Tableau, move onto generating progressively complex graphics, and end with the finishing touches and packaging your work for distribution. This module is filled with practical examples to help you create filled maps, use custom markers, add slider selectors, and create dashboards. You will learn how to manipulate data in various ways by applying various filters, logic, and calculating various aggregate measures. Finally, in the third module, you learn about Tableau Public using which allows readers to explore data associations in multiple-sourced public data, and uses state-of-the-art dashboard and chart graphics to immerse the users in an interactive experience. In this module, the readers can quickly gain confidence in understanding and expanding their visualization, creation knowledge, and quickly create interesting, interactive data visualizations to bring a richness and vibrancy to complex articles.The course provides a great overview for beginner to intermediate Tableau users, and covers the creation of data visualizations of varying complexities.

Mobile Application Development: JavaScript Frameworks. Click here to enter text

Sani Yusuf, Tom Bray, Hazem Saleh, Ethan Holmes

A great mobile app is rapidly becoming crucial for a huge range of businesses. With a great app, your customers or your readers don’t come to you – you go with them, just a few clicks and swipes away. This Learning Path shows you how to build awesome mobile apps with some of the best tools currently being used by some of the smartest developers in the industry. Taking you through JavaScript impressive development ecosystem – from jQuery Mobile to React, through to Ionic – we’ll show you how to put your skills into practice so you can build your next mobile apps with confidence and style. In this Learning Path, from jQuery to React, to Ionic, we’ll cover everything you need to start In the first module you’ll learn how to get stuck into Apache Cordova and find out how to use it as the key platform for developing your mobile app. It offers an efficient way to develop hybrid apps, which means you won’t have to connect to platform specific APIs or use their UI framework, and can instead harness your JavaScript web development skills. Make sure you have your HTML, CSS and jQuery skills at the ready.In Module 2 we’ll show you how to take advantage of React Native. It has a reputation for having a steep learning curve, but we’ll make it easy for you, making sure you make full use of your existing knowledge and getting you up and running with a sample application. You’ll also learn how to create components, how to create multiple screens, as well as using native UI components and accessing native APIs.In the third and final module you’ll get started with Ionic. With three practical projects you can build yourself, we’ve made sure that you’ll be learning by doing – which means you’ll not only develop new skills much more quickly, but you’ll have produced something tangible at the end of it!This Learning Path combines some of the best that Packt has to offer in one complete, curated package. It includes content from the following Packt products:?JavaScript Mobile Application Development by Hazem Saleh?Getting Started with React Native by Ethan Holmes and Tom Bray?Ionic Framework By Example by Sani Yusuf

Instant Website Optimization for Retina Displays How-to. Learning simple techniques which will make your website look stunning on high-definition Retina Displays

Kyle Larson

Apple launched its line of high-resolution, retina display products with the iPhone 4 and has continued to integrate the technology into its other products. These beautiful displays take computing to a new level with incredibly sharp text and graphics. As other manufacturers add similar displays to their devices, high-resolution graphics will become the new standard for the apps and websites of the future.Instant Website Optimization for Retina Displays How-to is a comprehensive guide to building a website that will look fantastic on high-resolution displays. Helpful insights and simple instructions walk you through all the various methods of optimizing your site for the latest mobile and desktop devices.This book begins by covering the basics of retina images and dives right into practical advice so you can start improving your website's images. It continues building on the basic techniques with simple recipes covering all the tools you'll need to make an impressive high-resolution website.We will take a look at the techniques for adding retina backgrounds, sprites, border images, and loading large images only when needed to keep your website running fast. We will create a variety of basic shapes and styles using CSS that can be used instead of graphics in your user interface. We'll cover scalable image techniques, including using fonts as icons and implementing Scalable Vector Graphics (SVG), which make your graphics look great on any device.After reading Instant Website Optimization for Retina Displays How-to you'll have the techniques to make creating high-definition websites easy. You'll have an arsenal of tools for creating graphics on the web at your disposal, leading to superior websites that are beautiful and fast.

ElasticSearch Cookbook. Over 130 advanced recipes to search, analyze, deploy, manage, and monitor data effectively with ElasticSearch

Alberto Paro

Learn C Programming. A beginner's guide to learning C programming the easy and disciplined way

Jeff Szuhay

C is a powerful general-purpose programming language that is excellent for beginners to learn. This book will introduce you to computer programming and software development using C. If you're an experienced developer, this book will help you to become familiar with the C programming language.This C programming book takes you through basic programming concepts and shows you how to implement them in C. Throughout the book, you'll create and run programs that make use of one or more C concepts, such as program structure with functions, data types, and conditional statements. You'll also see how to use looping and iteration, arrays, pointers, and strings. As you make progress, you'll cover code documentation, testing and validation methods, basic input/output, and how to write complete programs in C.By the end of the book, you'll have developed basic programming skills in C, that you can apply to other programming languages and will develop a solid foundation for you to advance as a programmer.

Segment Routing in MPLS Networks. Transition from traditional MPLS to SR-MPLS with TI-LFA FRR

Hemant Sharma, Wendell Odom

In this book, you will learn about segment routing (SR), a cornerstone of modern networking, and topology-independent loop-free alternate (TI-LFA), with hands-on labs to hit the ground running. Written by a key contributor to global segment routing multiprotocol label switching (SR-MPLS) network designs, this book makes learning SR-MPLS both accessible and insightful.The book offers an extensive learning path, taking you from a traditional MPLS network using the label distribution protocol (LDP) to a modern SR-MPLS network using SR, and provides a holistic view of their interworking. You’ll also explore TI-LFA fast reroute protection scenarios, and find out how SR-MPLS strengthens network reliability with its source routing paradigm. Using intermediate system–to–intermediate system (IS-IS) as the foundational link-state routing protocol, the chapters ensure that you get a clear understanding of both SR and IS-IS. Following a consistent network topology throughout, this book enables smooth transitions between scenarios, helping you master the technical concepts without distraction.By the end of this book, you’ll have a solid grasp of MPLS, SR-MPLS, and TI-LFA fast reroute techniques, ready to tackle real-world networking challenges with confidence.