Troubleshooting Citrix XenDesktop. The ultimate troubleshooting guide for clear, concise, and real-world solutions to a wide range of common Citrix XenDesktop problems

Gurpinder Singh, Gurpinder Singh

Hands-On RTOS with Microcontrollers. Building real-time embedded systems using FreeRTOS, STM32 MCUs, and SEGGER debug tools

Brian Amos

A real-time operating system (RTOS) is used to develop systems that respond to events within strict timelines. Real-time embedded systems have applications in various industries, from automotive and aerospace through to laboratory test equipment and consumer electronics. These systems provide consistent and reliable timing and are designed to run without intervention for years.This microcontrollers book starts by introducing you to the concept of RTOS and compares some other alternative methods for achieving real-time performance. Once you've understood the fundamentals, such as tasks, queues, mutexes, and semaphores, you'll learn what to look for when selecting a microcontroller and development environment. By working through examples that use an STM32F7 Nucleo board, the STM32CubeIDE, and SEGGER debug tools, including SEGGER J-Link, Ozone, and SystemView, you'll gain an understanding of preemptive scheduling policies and task communication. The book will then help you develop highly efficient low-level drivers and analyze their real-time performance and CPU utilization. Finally, you'll cover tips for troubleshooting and be able to take your new-found skills to the next level.By the end, you'll have built on your embedded system skills and will be able to create real-time systems using microcontrollers and FreeRTOS.

Terraform Cookbook. Provision, run, and scale cloud architecture with real-world examples using Terraform - Second Edition

Mikael Krief, Armon Dadgar

HashiCorp Configuration Language (HCL) has changed how we define and provision data center infrastructure with the launch of Terraform, a top-tier product for building Infrastructure as Code (IaC). Terraform Cookbook shows you how to leverage Terraform to manage complex infrastructure with ease.This new edition has been updated to include real-world examples for provisioning Azure, AWS and GCP infrastructure with Terraform. You'll delve into manual and automated testing with Terraform configurations, creating and managing a balanced, efficient, and reusable infrastructure with Terraform modules. You'll learn how to automate the deployment of Terraform configuration with continuous integration and continuous delivery (CI/CD).Besides that, several new chapters have been added that describe the use of Terraform for Docker and Kubernetes, examine advanced topics on GitOps practices, and explain how to test Terraform configurations using different tools to check code and security compliance. The final chapter covers troubleshooting common Terraform issues and provides solutions for frequently encountered errors.By the end of this book, you'll have developed the skills needed to get the most value out of Terraform and to effectively manage your infrastructure.

React and React Native. Build cross-platform JavaScript applications with native power for the web, desktop, and mobile - Fourth Edition

Adam Boduch, Roy Derks, Mikhail Sakhniuk

Over the years, React and React Native has proven itself among JavaScript developers as a popular choice for a complete and practical guide to the React ecosystem. This fourth edition comes with the latest features, enhancements, and fixes to align with React 18, while also being compatible with React Native. It includes new chapters covering critical features and concepts in modern cross-platform app development with React.From the basics of React to popular components such as Hooks, GraphQL, and NativeBase, this definitive guide will help you become a professional React developer in a step-by-step manner. You'll begin by learning about the essential building blocks of React components. As you advance through the chapters, you'll work with higher-level functionalities in application development and then put your knowledge to work by developing user interface components for the web and native platforms. In the concluding chapters, you'll learn how to bring your application together with robust data architecture.By the end of this book, you'll be able to build React applications for the web and React Native applications for multiple mobile platforms.

Cloning Internet Applications with Ruby. Make clones of some of the best applications on the Web using the dynamic and object-oriented features of Ruby

Chang Sau Sheong

Most users on the Internet have a few favorite Internet web applications that they use often and cannot do without. These popular applications often provide essential services that we need even while we don’t fully understand its features or how they work. Ruby empowers you to develop your own clones of such applications without much ordeal. Learning how these sites work and describing how they can be implemented enables you to move to the next step of customizing them and enabling your own version of these services.This book shows the reader how to clone some of the Internet's most popular applications in Ruby by first identifying their main features, and then showing example Ruby code to replicate this functionality.While we understand that it connects us to our friends and people we want to meet up with, what is the common feature of a social network that makes it a social network? And how do these features work? This book is the answer to all these questions. It will provide a step-by-step explanation on how the application is designed and coded, and then how it is deployed to the Heroku cloud platform. This book’s main purpose is to break up popular Internet services such as TinyURL, Twitter, Flickr, and Facebook to understand what makes it tick. Then using Ruby, the book describes how a minimal set of features for these sites can be modeled, built, and deployed on the Internet.

Computer Programming for Absolute Beginners. Learn essential computer science concepts and coding techniques to kick-start your programming career

Joakim Wassberg

Learning how to code has many advantages, and gaining the right programming skills can have a massive impact on what you can do with your current skill set and the way you advance in your career. This book will be your guide to learning computer programming easily, helping you overcome the difficulties in understanding the major constructs in any mainstream programming language.Computer Programming for Absolute Beginners starts by taking you through the building blocks of any programming language with thorough explanations and relevant examples in pseudocode. You'll understand the relationship between computer programs and programming languages and how code is executed on the computer. The book then focuses on the different types of applications that you can create with your programming knowledge. You'll delve into programming constructs, learning all about statements, operators, variables, and data types. As you advance, you'll see how to control the flow of your programs using control structures and reuse your code using functions. Finally, you'll explore best practices that will help you write code like a pro.By the end of this book, you'll be prepared to learn any programming language and take control of your career by adding coding to your skill set.

Service Oriented Architecture: An Integration Blueprint. For SOA professionals this is the classic guide to implementing integration architectures with the help of the Trivadis Blueprint. Takes you deep into the blueprint’s structure and components with perfect lucidity

Guido Schmutz, Peter Welkenbach, Guido Schmutz (Euro)

Service Oriented Architecture (SOA) refers to building systems that offer applications as a set of independent services that communicate and inter-operate with each other effectively. Such applications may originate from different vendor, platform, and programming language backgrounds, making successful integration a challenging task. This book enables you to integrate application systems effectively, using the Trivadis Integration Architecture Blueprint, which is supported by real-world scenarios in which this Integration Blueprint has proved a success.This book will enable you to grasp all of the intricacies of the Trivadis Architecture Blueprint, including detailed descriptions of each layer and component. It is a detailed theoretical guide that shows you how to implement your own integration architectures in practice, using the Trivadis Integration Architecture Blueprint. The main focus is on explaining and visualizing the blueprint, including comprehensive descriptions of all of its layers and components. It also covers the more basic features of integration concepts for less experienced specialists, as well as shedding light on the future of integration technologies, such as XTP and Grid Computing. You will learn about EII and EAI, OGSi, as well as base technologies related to the implementation of solutions based on the Blueprint, such as JCA, JBI, SCA and SDO.The book begins by covering fundamental integration for those less familiar with the concepts and terminology, and then dives deep into explaining the different architecture variants and the future of integration technologies. Base technologies like JCA and SCA will be explored along the way, and the structure of the Trivadis Integration Architecture Blueprint will be described in detail, as will the intricacies of each component and layer. Other content includes discovering and comparing traditional and modern SOA driven integration solutions, implementing transaction strategies and process modeling, and getting to grips with EDA developments in SOA. Finally, the book considers how to map software from vendors like Oracle and IBM to the blueprint in order to compare the solutions, and ultimately integrate your own projects successfully.

Mastering Magento 2. Maximize the power of Magento 2 to create productive online stores - Second Edition

Bret Williams, Jonathan Bownds

The long-awaited release of the world's most popular online solution, Magento 2, is now out with an all new interface and several enhancements. This book offers you advanced guidance on managing, optimizing, and extending your store while taking advantage of the new features of Magento 2.This is a comprehensive guide to using the all new features and interface of Magento 2 to build, extend, and design online stores. From planning your Magento installation through to advanced techniques designed to make your store as successful as possible, this book is your roadmap to managing your Magento store. Focusing on Magento's Community version, the book covers everything from creating and managing multiple stores to fine-tuning Magento for speed and performance. You’ll learn how to manage categories, products, design themes, extensions, and more.

Hands-On Data Structures and Algorithms with Python. Store, manipulate, and access data effectively and boost the performance of your applications - Third Edition

Dr. Basant Agarwal

Choosing the right data structure is pivotal to optimizing the performance and scalability of applications. This new edition of Hands-On Data Structures and Algorithms with Python will expand your understanding of key structures, including stacks, queues, and lists, and also show you how to apply priority queues and heaps in applications. You’ll learn how to analyze and compare Python algorithms, and understand which algorithms should be used for a problem based on running time and computational complexity. You will also become confident organizing your code in a manageable, consistent, and scalable way, which will boost your productivity as a Python developer.By the end of this Python book, you’ll be able to manipulate the most important data structures and algorithms to more efficiently store, organize, and access data in your applications.

Symfony2 Essentials

Wojciech Bancer, Samuel Roze, Max Romanovsky

Clojure for Data Science. Statistics, big data, and machine learning for Clojure programmers

Henry Garner

MooTools 1.3 Cookbook. Over 110 highly effective recipes to turbo-charge the user interface of any web-enabled Internet application and web page

Jay Larry G. Johnston, Jay L Johnston

MooTools is a JavaScript framework that abstracts the JavaScript language. JavaScript itself, complex in syntax, provides the tools to write a layer of content interaction for each different browser. MooTools abstracts those individual, browser-specific layers to allow cross-browser scripting in an easy-to-read and easy-to-remember syntax.Animation and interaction, once the domain of Flash, are being taken by storm by the MooTools JavaScript framework, which can cause size, shape, color, and opacity to transition smoothly. Discover how to use AJAX to bring data to today's web page users who demand interactivity without clunky page refreshes. When searching for animation and interactivity solutions that work, MooTools 1.3 Cookbook has individual, reusable code examples that get you running fast!MooTools 1.3 Cookbook readies programmers to animate, perform AJAX, and attach event listeners in a simple format where each section provides a clear and cross-browser compatible sketch of how to solve a problem, whether reading from beginning to finish or browsing directly to a particular recipe solution.MooTools 1.3 Cookbook provides instant solutions to MooTools problems – whatever you want to do with MooTools, this book will tell you how to do it.MooTools 1.3 Cookbook is presented in a progressive order that builds concepts and ideas, while simultaneously being a collection of powerful individual, standalone, recipe solutions.

Unity Certified Programmer Exam Guide. Pass the Unity certification exam with the help of expert tips and techniques - Second Edition

Philip Walker

Unity Certified Programmer is a global certification program by Unity for anyone looking to become a professional Unity developer. The official Unity programmer exam will not only validate your Unity knowledge and skills, but will also enable you to be a part of the Unity community.This study guide will start by building on your understanding of C# programming and taking you through the process of downloading and installing Unity. You’ll understand how Unity works and get to grips with the Unity exam’s core objectives. As you advance, you’ll enhance your skills by creating an enjoyable side-scrolling shooter game that can be played within the Unity Editor or any modern Android mobile device. This Unity book will test your knowledge with self-assessment questions and help you take your skills to an advanced level by working with Unity tools such as the animator, particle effects, lighting, UI/UX, scriptable objects, and debugging.By the end of this book, you’ll have developed a solid understanding of the different tools in Unity and be able to create impressive Unity applications by making the most of its toolset.

Extending and Modifying LAMMPS Writing Your Own Source Code. A pragmatic guide to extending LAMMPS as per custom simulation requirements

Dr. Shafat Mubin, Jichen Li, Dr. Steven Plimpton

LAMMPS is one of the most widely used tools for running simulations for research in molecular dynamics. While the tool itself is fairly easy to use, more often than not you’ll need to customize it to meet your specific simulation requirements. Extending and Modifying LAMMPS bridges this learning gap and helps you achieve this by writing custom code to add new features to LAMMPS source code. Written by ardent supporters of LAMMPS, this practical guide will enable you to extend the capabilities of LAMMPS with the help of step-by-step explanations of essential concepts, practical examples, and self-assessment questions.This LAMMPS book provides a hands-on approach to implementing associated methodologies that will get you up and running and productive in no time. You’ll begin with a short introduction to the internal mechanisms of LAMMPS, and gradually transition to an overview of the source code along with a tutorial on modifying it. As you advance, you’ll understand the structure, syntax, and organization of LAMMPS source code, and be able to write your own source code extensions to LAMMPS that implement features beyond the ones available in standard downloadable versions.By the end of this book, you’ll have learned how to add your own extensions and modifications to the LAMMPS source code that can implement features that suit your simulation requirements.

Debugging Machine Learning Models with Python. Develop high-performance, low-bias, and explainable machine learning and deep learning models

Ali Madani, Stephen MacKinnon

Debugging Machine Learning Models with Python is a comprehensive guide that navigates you through the entire spectrum of mastering machine learning, from foundational concepts to advanced techniques. It goes beyond the basics to arm you with the expertise essential for building reliable, high-performance models for industrial applications. Whether you're a data scientist, analyst, machine learning engineer, or Python developer, this book will empower you to design modular systems for data preparation, accurately train and test models, and seamlessly integrate them into larger technologies.By bridging the gap between theory and practice, you'll learn how to evaluate model performance, identify and address issues, and harness recent advancements in deep learning and generative modeling using PyTorch and scikit-learn. Your journey to developing high quality models in practice will also encompass causal and human-in-the-loop modeling and machine learning explainability. With hands-on examples and clear explanations, you'll develop the skills to deliver impactful solutions across domains such as healthcare, finance, and e-commerce.

Mastering MeteorJS Application Development. MeteorJS makes full-stack JavaScript Application Development simple – Learn how to build better modern web apps with MeteorJS, and become an expert in the innovative JavaScript framework

Jebin BV

The web is dead – applications now rule our online experiences. But how are you going to build them? Well, if you’ve been paying attention, you might already have tried your hand with MeteorJS, the JavaScript framework that helps you build complete full-stack web applications that are responsive and fast with ease. Mastering MeteorJS Application Development shows you how to do even more with MeteorJS – if you’re ready to try a comprehensive course through one of the most exciting frameworks in web development today, this is the book you need. Designed to take you through the entire process of building an advanced multipage application with Meteor, you’ll be able to bring your web development ideas with surprising ease. You’ll not only learn how Meteor makes web development easier, but also how you can make using Meteor easier, by automating and simplifying tasks so you can be confident you have full control of everything in your workflow – especially everything that could go wrong. From automated testing to integrating other useful frameworks such as Angular and D3, each chapter covers a crucial element in the Meteor development process.Discover how to integrate animations using Meteor’s Blaze, to give your UI designs the edge, and explore reactive programming to effectively harness RESTful systems in your projects. You will also learn how to deploy and scale your application, two crucial aspects of modern development and vital in a changing digital environment with users expecting a product and experience that delivers. With further insights on developing for mobile – and how Meteor can help you tackle the challenges of the trend – and details on incorporating SEO strategies into your application, this book isn’t just a code tutorial – it’s about creating a product that users love.

WebGL HOTSHOT. Create interactive 3D content for web pages and mobile devices

Mitch Williams

Distributed Data Systems with Azure Databricks. Create, deploy, and manage enterprise data pipelines

Alan Bernardo Palacio

Microsoft Azure Databricks helps you to harness the power of distributed computing and apply it to create robust data pipelines, along with training and deploying machine learning and deep learning models. Databricks' advanced features enable developers to process, transform, and explore data. Distributed Data Systems with Azure Databricks will help you to put your knowledge of Databricks to work to create big data pipelines. The book provides a hands-on approach to implementing Azure Databricks and its associated methodologies that will make you productive in no time. Complete with detailed explanations of essential concepts, practical examples, and self-assessment questions, you’ll begin with a quick introduction to Databricks core functionalities, before performing distributed model training and inference using TensorFlow and Spark MLlib. As you advance, you’ll explore MLflow Model Serving on Azure Databricks and implement distributed training pipelines using HorovodRunner in Databricks. Finally, you’ll discover how to transform, use, and obtain insights from massive amounts of data to train predictive models and create entire fully working data pipelines. By the end of this MS Azure book, you’ll have gained a solid understanding of how to work with Databricks to create and manage an entire big data pipeline.

Data Modeling for Azure Data Services. Implement professional data design and structures in Azure

Peter ter Braake

Data is at the heart of all applications and forms the foundation of modern data-driven businesses. With the multitude of data-related use cases and the availability of different data services, choosing the right service and implementing the right design becomes paramount to successful implementation.Data Modeling for Azure Data Services starts with an introduction to databases, entity analysis, and normalizing data. The book then shows you how to design a NoSQL database for optimal performance and scalability and covers how to provision and implement Azure SQL DB, Azure Cosmos DB, and Azure Synapse SQL Pool. As you progress through the chapters, you'll learn about data analytics, Azure Data Lake, and Azure SQL Data Warehouse and explore dimensional modeling, data vault modeling, along with designing and implementing a Data Lake using Azure Storage. You'll also learn how to implement ETL with Azure Data Factory.By the end of this book, you'll have a solid understanding of which Azure data services are the best fit for your model and how to implement the best design for your solution.

ASP.NET Core 5 Secure Coding Cookbook. Practical recipes for tackling vulnerabilities in your ASP.NET web applications

Roman Canlas, Ed Price

ASP.NET Core developers are often presented with security test results showing the vulnerabilities found in their web apps. While the report may provide some high-level fix suggestions, it does not specify the exact steps that you need to take to resolve or fix weaknesses discovered by these tests.In ASP.NET Secure Coding Cookbook, you’ll start by learning the fundamental concepts of secure coding and then gradually progress to identifying common web app vulnerabilities in code. As you progress, you’ll cover recipes for fixing security misconfigurations in ASP.NET Core web apps. The book further demonstrates how you can resolve different types of Cross-Site Scripting. A dedicated section also takes you through fixing miscellaneous vulnerabilities that are no longer in the OWASP Top 10 list. This book features a recipe-style format, with each recipe containing sample unsecure code that presents the problem and corresponding solutions to eliminate the security bug. You’ll be able to follow along with each step of the exercise and use the accompanying sample ASP.NET Core solution to practice writing secure code.By the end of this book, you’ll be able to identify unsecure code causing different security flaws in ASP.NET Core web apps and you’ll have gained hands-on experience in removing vulnerabilities and security defects from your code.

Blockchain across Oracle. Understand the details and implications of the Blockchain for Oracle developers and customers

Robert van Molken

Blockchain across Oracle gives you the professional orientation to Blockchain that you need as an Oracle developer in today’s changing world. Written and prepared for you by Oracle Developer Champion Robert van Mölken, this book gets you up to speed with the details of the Blockchain - core concepts, how to implement Oracle’s Blockchain Cloud Service, industry implications for the Blockchain, and how the Blockchain will affect your Oracle customers.Robert van Mölken introduces you to the history and concepts of the Blockchain. You’ll really get to understand the Blockchain inside and out, as an Oracle developer or solution architect. You’ll understand the Blockchain flow, and how the hashes and chains create a new decentralised paradigm for you as an Oracle developer. You’ll gain insights into how the Blockchain affects Oracle developers and customers in this modern and disruptive era. You’ll see how the Blockchain concepts work in this new world where Assets, Transactions, Security, and Privacy, can all be sustained across a decentralized system for your customers.Then you'll find a detailed look at the cutting-edge Oracle middleware solutions. You’ll learn about Hyperledger Fabric, the opensource Blockchain framework used by Oracle as its core, and how to set up your own Oracle Blockchain Network. You’ll design and develop a smart contract, and learn how to run it on the Oracle Blockchain Cloud Service.The final part of the book looks at how the Blockchain will affect your customers across various industry sectors. By studying industry trends in the financial services sector, healthcare industry, and the transport industry, you’ll discover how the options and possibilities for you and your clients are being transformed by the Blockchain across Oracle. You’ll complete this professional orientation by looking at Blockchain trends and future directions.

Microsoft Dynamics AX 2009 Administration. A practical and efficient approach to planning, installing and configuring your Dynamics AX 2009 environment

Marco Carvalho

Microsoft Dynamics AX 2009 is an advanced Enterprise Resource Planning system, essentially a comprehensive business management solution, designed for midsize and large organizations. Dynamics AX provides a centralized source for business data and enables you to consolidate and standardize your business processes, helping to improve productivity and provide visibility across your organization, for a variety of business needs.This book will enable you to successfully set up and configure Dynamics AX 2009 in your business with clear, practical, step-by-step demonstrations. You will learn how to plan and implement Dynamics AX 2009 efficiently, how to manage the Enterprise Portal, Role Centers, Kerberos Authentication, Workflow, Application Integration Framework (AIF), and much more!Each chapter of the book explores the different aspects of administring and configuring Dynamics AX 2009 to fit any company's needs.The book begins by introducing you to the important process of planning and implementing Dynamics AX 2009, providing the basic components to get you started with your Dynamics AX environment. It then dives deep into the installation of the multi component server of Dynamics AX and how to get it up and running efficiently, specifically the Base Server Components, Enterprise Portal, Role Centers, Kerberos Authentication, Workflow, and the Application Integration Framework (AIF).Other content includes the process of importing data into your Dynamics AX 2009 instance, common user administration functions, and Alerts and Notifications.Finally, the book considers how to enhance your Dynamics AX environment after it has been installed and it is being utilized, from tuning your system to work more efficiently to backing up and maintaining Dynamics AX to make sure you are prepared for worst-case scenarios, enabling you to keep Dynamics AX 2009 functioning at its best.By following the clear and practical steps found in the book, you will successfully master how to administer and configure Dynamics AX 2009 into your company.

Real-World SRE. The Survival Guide for Responding to a System Outage and Maximizing Uptime

Nat Welch

Real-World SRE is the go-to survival guide for the software developer in the middle of catastrophic website failure. Site Reliability Engineering (SRE) has emerged on the frontline as businesses strive to maximize uptime. This book is a step-by-step framework to follow when your website is down and the countdown is on to fix it. Nat Welch has battle-hardened experience in reliability engineering at some of the biggest outage-sensitive companies on the internet. Arm yourself with his tried-and-tested methods for monitoring modern web services, setting up alerts, and evaluating your incident response.Real-World SRE goes beyond just reacting to disaster—uncover the tools and strategies needed to safely test and release software, plan for long-term growth, and foresee future bottlenecks. Real-World SRE gives you the capability to set up your own robust plan of action to see you through a company-wide website crisis.The final chapter of Real-World SRE is dedicated to acing SRE interviews, either in getting a first job or a valued promotion.

PHPEclipse: A User Guide. Use the leading open source integrated development enviornment to develop, organize, and debug your PHP web development projects

Shu-Wai Chow, Axel Walsleben

The fusion of Eclipse, the leading open source development environment, and PHP is an exciting prospect for web developers. This book makes sure that you are up and running as quickly as possible, ready to take full advantage of PHPEclipse's tuned PHP development tools, without requiring any prior knowledge of Eclipse.You will begin with installing and configuring PHPEclipse, before moving onto a tour of the Eclipse environment, familiarizing you with its main components. As a plug-in to Eclipse, PHPEclipse is able to harness the platform to provide a rich and powerful development experience.For helping you improve the efficiency of your PHP coding, the book details the powerful editing features of PHPEclipse, and shows you how to use it to better organize your application code.You will see how PHPEclipse helps you throughout the development lifecycle, and learn how to use PHPEclipse's debugger to troubleshoot and step through your PHP code as it executes. The book rounds off with coverage of accessing databases and managing source code from within the. For the final step for your application, you will learn how to deploy your site to a production server.