With this book, Christopher Kormanyos delivers a highly practical guide to programming real-time embedded microcontroller systems in C++. It is divided into three parts plus several appendices. Part I provides a foundation for real-time C++ by covering language technologies, including object-oriented methods, template programming and optimization. Next, part II presents detailed descriptions of a variety of C++ components that are widely used in microcontroller programming. It details some of C++'s most powerful language elements, such as class types, templates and the STL, to develop components for microcontroller register access, low-level drivers, custom memory management, embedded containers, multitasking, etc. Finally, part III describes mathematical methods and generic utilities that can be employed to solve recurring problems in real-time C++. The appendices include a brief C++ language tutorial, information on the real-time C++ development environment and instructions for building GNU GCC cross-compilers and a microcontroller circuit. For this fourth edition, the most recent specification of C++20 is used throughout the text. Several sections on new C++20 functionality have been added, and various others reworked to reflect changes in the standard. Also several new example projects ranging from introductory to advanced level are included and existing ones extended, and various reader suggestions have been incorporated. Efficiency is always in focus and numerous examples are backed up with runtime measurements and size analyses that quantify the true costs of the code down to the very last byte and microsecond. The target audience of this book mainly consists of students and professionals interested in real-time C++. Readers should be familiar with C or another programming language and will benefit most if they have had some previous experience with microcontroller electronics and the performance and size issues prevalent in embedded systems programming.

Track, branch, merge, and manage code revisions with Git, the free and open source distributed version control system. Through a series of step-by-step tutorials, this practical guide quickly takes you from Git fundamentals to advanced techniques, and provides friendly yet rigorous advice for navigating Git's many functions. You'll learn how to work with everything from small to very large projects with speed and efficiency. In this third edition, authors Prem Kumar Ponuthorai and Jon Loeliger break down Git concepts using a modular approach. You'll start with the basics and fundamental philosophy of Git, followed by intermediate commands to help you efficiently supplement your daily development workflow. Finally, you'll learn advanced Git commands and concepts to understand how Git works under the hood. Learn how to use Git for real-world development scenarios Gain insight into Git's common use cases, initial tasks, and basic functions Use the system for distributed version control Learn how to manage merges, conflicts, patches, and diffs Apply advanced techniques such as rebasing, hooks, and ways to handle submodules

With this book, Christopher Kormanyos delivers a highly practical guide to programming real-time embedded microcontroller systems in C++. It is divided into three parts plus several appendices. Part I provides a foundation for real-time C++ by covering language technologies, including object-oriented methods, template programming and optimization. Next, part II presents detailed descriptions of a variety of C++ components that are widely used in microcontroller programming. It details some of C++'s most powerful language elements, such as class types, templates and the STL, to develop components for microcontroller register access, low-level drivers, custom memory management, embedded containers, multitasking, etc. Finally, part III describes mathematical methods and generic utilities that can be employed to solve recurring problems in real-time C++. The appendices include a brief C++ language tutorial, information on the real-time C++ development environment and instructions for building GNU GCC cross-compilers and a microcontroller circuit. For this fourth edition, the most recent specification of C++20 is used throughout the text. Several sections on new C++20 functionality have been added, and various others reworked to reflect changes in the standard. Also several new example projects ranging from introductory to advanced level are included and existing ones extended, and various reader suggestions have been incorporated. Efficiency is always in focus and numerous examples are backed up with runtime measurements and size analyses that quantify the true costs of the code down to the very last byte and microsecond. The target audience of this book mainly consists of students and professionals interested in real-time C++. Readers should be familiar with C or another programming language and will benefit most if they have had some previous experience with microcontroller electronics and the performance and size issues prevalent in embedded systems programming.

Bei Mac OS X handelt es sich um das jA1/4ngste Betriebssystem von Apple Computer. Es unterscheidet sich vom VorgAnger Mac OS 9 nicht nur durch eine Vielzahl von neuen Funktionen und durch die neue BenutzeroberflAche Aqua, sondern vor allen Dingen durch die Nutzung von Mach und BSD als Basis fA1/4r seine Implementierung. Mac OS X baut direkt auf den lange erprobten und weit verbreiteten Betriebssystemen FreeBSD und NetBSD auf.

Rafael Kobylinski, Manager System Engineers bei Apple Deutschland, gibt einen Aoeberblick A1/4ber Mac OS X aus der Sicht eines mit BSD- und Unix-Systemen vertrauten, fortgeschrittenen Anwenders. Das Buch richtet sich damit an erfahrene Mac OS X Anwender sowie Unix/Linux-Quereinsteiger.

Postfix is a Mail Transfer Agent (MTA): software that mail servers use to route email. Postfix is highly respected by experts for its secure design and tremendous reliability. And new users like it because it's so simple to configure. In fact, Postfix has been adopted as the default MTA on Mac OS X. It is also compatible with sendmail, so that existing scripts and programs continue to work seamlessly

after it is installed.

Postfix was written by well-known security expert Wietse Venema, who reviewed this book intensively during its entire development. Author Kyle Dent covers a wide range of Postfix tasks, from virtual hosting to controls for unsolicited commercial email.

While basic configuration of Postfix is easy, every site has unique needs that call for a certain amount of study. This book, with careful background explanations and generous examples, eases readers from the basic configuration to the full power of Postfix. It discusses the Postfix interfaces to various tools that round out a fully scalable and highly secure email system. These tools include POP, IMAP, LDAP, MySQL, Simple Authentication and Security Layer (SASL), and Transport Layer Security (TLS, an upgrade of SSL). A reference section for Postfix configuration parameters and an installation guide are included.

Topics include:

Basic installation and configuration

DNS configuration for email

Working with POP/IMAP servers

Hosting multiple domains (virtual hosting)

Mailing lists

Handling unsolicited email (spam blocking)

Security through SASL and TLS

From compiling and installing Postfix to troubleshooting, "Postfix: The Definitive Guide" offers system administrators and anyonewho deals with Postfix an all-in-one, comprehensive tutorial and reference to this MTA.

Networks continue to grow in size, complexity, and importance, most businesses want their networks to be flexible, reliable, and cost efficient. Network operators need to avoid downtime due to human error, and they need to manage growing networks without increasing network support staff. How can you balance these competing realities? With automation!This practical guide will help you understand the automation features of Junos, show you the tools available to program Junos, and explain which tool is best for your particular network requirement.This book covers: The Junos management architectureAPIs for interacting with JunosLibraries for simplifying the interaction with JunosOn-device automation scripts to modify and extend Junos behaviorExamples of automating network provisioning, monitoring, and troubleshootingMechanisms for performing high-speed changes (SDN)

Docker does for DevOps what Rails did for web development--it gives you a new set of superpowers. Gone are works on my machine woes and lengthy setup tasks, replaced instead by a simple, consistent, Docker-based development environment that will have your team up and running in seconds. Gain hands-on, real-world experience with a tool that's rapidly becoming fundamental to software development. Go from zero all the way to production as Docker transforms the massive leap of deploying your app in the cloud into a baby step. Docker makes life as a Ruby and Rails developer easier. It helps build, ship, and run your applications, solving major problems you face every day. It allows you to run applications at scale, adding new resources as needed. Docker provides a reliable, consistent environment that's guaranteed to work the same everywhere. Docker lets you do all things DevOps without needing a PhD in infrastructure and operations. Want to spin up a cluster to run your app? No problem. Scale it up or down at will? You bet. Start by running a Ruby script without having Ruby installed on the local machine. Then Dockerize a Rails application and run it using containers, including creating your own custom Docker images tailored for running Rails apps. Describe your app declaratively using Docker Compose, specifying the software dependencies along with everything needed to run the application. Then set up continuous integration, as well as your deployment pipeline and infrastructure. Along the way, find out the best practices for using Docker in development and production environments. This book gives you a solid foundation on using Docker and fitting it into your development workflow and deployment process. What You Need: All you need is a Windows, Mac OS X or Linux machine to do development on. This book guides you through the process of installing Docker. Some basic familiarity with Linux/Unix is recommended even if you're using a Windows machine

O'Reilly's Learning GNU Emacs covers the most popular and widespread of the Emacs family of editors. The GNU Emacs Pocket Reference is a companion volume to Learning GNU Emacs. This small book, covering Emacs version 20, is a handy reference guide to the basic elements of this powerful editor, presenting the Emacs commands in an easy-to-use tabular format.

Since Test-Driven Infrastructure with Chef first appeared in mid-2011, infrastructure testing has begun to flourish in the web ops world. In this revised and expanded edition, author Stephen Nelson-Smith brings you up to date on this rapidly evolving discipline, including the philosophy driving it and a growing array of tools. You'll get a hands-on introduction to the Chef framework, and a recommended toolchain and workflow for developing your own test-driven production infrastructure. Several exercises and examples throughout the book help you gain experience with Chef and the entire infrastructure-testing ecosystem. Learn how this test-first approach provides increased security, code quality, and peace of mind. Explore the underpinning philosophy that infrastructure can and should be treated as code Become familiar with the MASCOT approach to test-driven infrastructure Understand the basics of test-driven and behavior-driven development for managing change Dive into Chef fundamentals by building an infrastructure with real examples Discover how Chef works with tools such as Virtualbox and Vagrant Get a deeper understanding of Chef by learning Ruby language basics Learn the tools and workflow necessary to conduct unit, integration, and acceptance tests

Structure templates and content within Sitecore, work with integrated tools, and leverage its extensive automation capabilities. Sitecore was recently recognized as one of the most reputable and reliable, enterprise-class web content management solutions (WCMS) available in the marketplace. Thousands of companies are using Sitecore to manage their digital experiences online. Because Sitecore is such a large, complex platform, developers often have a hard time coming up to speed, even after completing a Sitecore training course for developers. However, leveraging the design patterns and other practices laid out in this book will make that transition much easier. Professional Sitecore 8 Development provides a soup-to-nuts approach for a Sitecore rookie to come up to speed quickly, as well as provide more advanced techniques for seasoned veterans that they may not be exposed to otherwise. Key coverage areas include: Getting started with Sitecore development Front-end development techniques Incorporating design patterns into your Sitecore solutions Unit testing Sitecore applications Programming Sitecore's marketing capabilities Sitecore automation with PowerShell Advanced development techniques What you'll learn Develop solutions on the Sitecore platform Come up to speed on Sitecore without going through a training class Build front-end (HTML, CSS, Angular, etc.) solutions as well as back-end (C#) solutions on Sitecore Incorporate design patterns into your Sitecore solutions Make use of advanced Sitecore development techniques Who This Book Is For The book is a developer's companion, both front end and back end developers. The target audience is both developers who have zero Sitecore experience, as well as seasoned veterans looking for advanced best practices. A secondary audience would be Sitecore administrators who would benefit from discussions around performance tuning and security.

Now in full color, the 10th anniversary edition of this classic book takes you deep into the influences that underlie modern video games, and examines the elements they share with traditional games such as checkers. At the heart of his exploration, veteran game designer Raph Koster takes a close look at the concept of fun and why it's the most vital element in any game. Why do some games become boring quickly, while others remain fun for years? How do games serve as fundamental and powerful learning tools? Whether you're a game developer, dedicated gamer, or curious observer, this illustrated, fully updated edition helps you understand what drives this major cultural force, and inspires you to take it further. You'll discover that: Games play into our innate ability to seek patterns and solve puzzles Most successful games are built upon the same elements Slightly more females than males now play games Many games still teach primitive survival skills Fictional dressing for modern games is more developed than the conceptual elements Truly creative designers seldom use other games for inspiration Games are beginning to evolve beyond their prehistoric origins

Die Autoren erlAutern die konzeptionellen und technischen Grundlagen des Themas IT-Sicherheit anhand anschaulicher Beispiele. Im Fokus stehen dabei die praktische Verwendbarkeit realitAtsnaher Konzepte und Techniken. Hierzu werden ebenfalls aktuelle Standards erlAutert und eingebunden.

Um die KomplexitAt des Themas und seine AbhAngigkeiten darzustellen, werden die Integration der einzelnen Bausteine sowie der Betrieb eines solchen Verbundes von IT-Komponenten sowohl aus technischer als auch administrativer Sicht und unter dem Aspekt der Integration in eine organisationsweite IT-Infrastruktur betrachtet.

Das Buch bietet technisch versierten Einsteigern und Administratoren eine umfassende Grundlage fA1/4r die weitergehende Auseinandersetzung mit dem Thema IT-Sicherheit.

Nowadays, many aspects of electrical and electronic engineering are essentially applications of DSP. This is due to the focus on processing information in the form of digital signals, using certain DSP hardware designed to execute software. Fundamental topics in digital signal processing are introduced with theory, analytical tables, and applications with simulation tools. The book provides a collection of solved problems on digital signal processing and statistical signal processing. The solutions are based directly on the math-formulas given in extensive tables throughout the book, so the reader can solve practical problems on signal processing quickly and efficiently.

FEATURES

Explains how applications of DSP can be implemented in certain programming environments designed for real time systems, ex. biomedical signal analysis and medical image processing.

Pairs theory with basic concepts and supporting analytical tables.

Includes an extensive collection of solved problems throughout the text.

Fosters the ability to solve practical problems on signal processing without focusing on extended theory.

Covers the modeling process and addresses broader fundamental issues.

Table of Contents

Part 1: Digital Signal Processing. Introduction. Discrete-time Signals and Systems. z-Transform. Implementation of Discrete Systems. Frequency Domain Analysis. Designing Digital Filters. Part 2: Statistical Signal Processing. Statistical Models. Fundamental Principles of Parametric Estimation. Linear Evaluation. Fundamentals of Signal Detection.

Learn to use NATS and messaging as a solution for communication between services. The NATS project has been around since 2010, but it has become more popular in recent years due to how well it fits into the paradigm of cloud native applications and microservices architectures. It's fast becoming a very attractive option thanks to its great performance characteristics--a single server can push millions of messages per second--and overall simple design. First you will learn the fundamentals of NATS, such as its design, protocol and the styles of communications it enables, internals of the NATS clients, and how to use the basic API provided by all the official clients. You will also understand how to setup and configure NATS servers using the configuration file. Next you'll work with real-world projects and see how to develop a production-ready cloud native application using NATS as the control plane over which clients communicate. Finally you'll learn advanced usage of the NATS clients, such as implementing heartbeats based failure detectors, tracing or collecting multiple responses from a single request. Perhaps you are familiar with REST-style APIs, and want to make the transition into a messaging-based approach instead. Practical NATS is the perfect place to start. What You'll Learn Use NATS to build applications which use it as the control plane for communication among components Explore the fundamentals of NATS such as how the protocol works under the hood to more advanced communication styles which are possible with the basic building blocks provided by the client Setup, operate, and configure NATS servers, as well as how to troubleshoot common failure scenarios Who This Book Is For Anyone looking for a solution for some of the problems which come along with microservices and cloud native application development, such as service discovery, low latency requests, load balancing, tracing and monitoring for example. Also adopters of NATS who need further help getting started using it. Ideally you should have some familiarity with Go as that is the language of the code examples.

Eingebettete Systeme begegnen uns mittlerweile uberall im Alltag: vom Mikrocontroller in der Waschmaschine bis hin zum leistungsfahigen DSP im Autoradio. Noch vor wenigen Jahren wurden diese Prozessoren aufwandig in Assembler programmiert und besassen nur in den wenigsten Fallen ein Betriebssystem. Mittlerweile aber bieten leistungsfahige und schlanke Linux-Derivate auch auf einfachen Prozessoren den Komfort der Schnittstellentreiber, des Multi-Threadings und eines Dateisystems. Die vorgestellte Hardware ist teilweise Konsumerprodukten entlehnt und somit gut erhaltlich.

Besonderer Wert wird auf die Praxistauglichkeit der Implementierungen gelegt, und so sind die Beispiele zur Hardwareanbindung via I2C, zur Kommunikation und zur Bildverarbeitung vollstandig durchimplementiert und online frei verfugbar. Das vorliegende Buch richtet sich an Berufsanfanger, Praktiker und Studenten der Informatik und der Ingenieurswissenschaften.

Weitere Informationen zum Buch sowie eine umfangreiche Quelltextsammlung sind verfugbar unter: http: //www.praxisbuch.net/embedded-linux/"

The Mono Project is the much talked-about open source initiative to create a Unix implementation of Microsoft's .NET Development Framework. Its purpose is to allow Unix developers to build and deploy cross-platform .NET applications. The project has also sparked interest in developing components, libraries and frameworks with C#, the programming language of .NET.

The controversy? Some say Mono will become the preferred platform for Linux development, empowering Linux/Unix developers. Others say it will allow Microsoft to embrace, extend, and extinguish Linux. The controversy rages on, but--like many developers--maybe you've had enough talk and want to see what Mono is really all about.

There's one way to find out: roll up your sleeves, get to work, and see what you Mono can do. How do you start? You can research Mono at length. You can play around with it, hoping to figure things out for yourself. Or, you can get straight to work with "Mono: A Developer's Notebook"--a hands-on guide and your trusty lab partner as you explore Mono 1.0.

Light on theory and long on practical application, "Mono: A Developer's Notebook" bypasses the talk and theory, and jumps right into Mono 1.0. Diving quickly into a rapid tour of Mono, you'll work through nearly fifty mini-projects that will introduce you to the most important and compelling aspects of the 1.0 release. Using the task-oriented format of this new series, you'll learn how to acquire, install, and run Mono on Linux, Windows, or Mac OS X. You'll work with the various Mono components: Gtk#, the Common Language Runtime, the class libraries (both .NET and Mono-provided class libraries), IKVM and the Mono C# compiler. No other resourcewill take you so deeply into Mono so quickly or show you as effectively what Mono is capable of.

The new Developer's Notebooks series from O'Reilly covers important new tools for software developers. Emphasizing example over explanation and practice over theory, they focus on learning by doing--you'll get the goods straight from the masters, in an informal and code-intensive style that suits developers. If you've been curious about Mono, but haven't known where to start, this no-fluff, lab-style guide is the solution.

qmail has quietly become one of the most widely used applications on the Internet today. It's powerful enough to handle mail for systems with millions of users--Like Yahoo! Mail and Hotmail, while remaining compact and manageable enough for the smallest Unix- and Linux-based PC systems. Its component design makes it easy to extend and customize while keeping its key functions secure, so it's no wonder that adoption of qmail continues at a rapid pace.

The downside? Apparently none. Except that qmail's unique design can be disorienting to those familiar with other popular MTAs (Mail Transfer Agents). If you're coming from sendmail, for instance, you might have trouble recasting your problems and solutions in qmail terms. qmail first helps you establish a "qmail frame of mind," then explores the installation, configuration, administration, and extension of this powerful MTA. Whether you're installing from scratch or managing mailing lists with thousands of users, qmail provides detailed information about how to make qmail do precisely what you want

qmail concentrates on common tasks like moving a sendmail setup to qmail, or setting up a "POP toaster," a system that provides mail service to a large number of users on other computers sending and retrieving mail remotely. The book also fills crucial gaps in existing documentation, detailing exactly what the core qmail software does.

Topics covered include:

Installation and configuration, including patching qmail

Moving from sendmail to qmail

Handling locally and remotely originated messages

Managing virtual domains

Logging qmail activity

Tuning qmail performance

Running multiple copies of qmail on thesame computer

Mailing list setup and management

Integrating the qmail MTA with POP and IMAP delivery

Filtering out spam and viruses

If you need to manage mailing lists, large volumes of mail, or simply find sendmail and other MTAs too complicated, qmail may be exactly what's called for. Our new guide, qmail, will provide the guidance you need to build an email infrastructure that performs well, makes sense, and is easy to maintain.

Much more than a quick list of commands and options, the CVS Pocket Reference, 2nd Edition, is packed with a surprising amount of detail-- including an overview of background concepts, thorough descriptions on how to use and administer a CVS repository, and discussions of CVS-related files and how to manage them-- all in a convenient reference format. It's an absolute must for developers who need an on-the-job guide for quick answers to CVS dilemmas.

Palm OS Programming: The Developer's Guide , Second Edition shows intermediate to experienced C and C++ programmers how to build a Palm application from the ground up. The book follows up the success of our best-selling first edition with expanded coverage of the Palm OS, up to and including the latest version, 4.0. This book will set the standard for the next generation of Palm developers.

The GIMP Pocket Reference explains the numerous features of the GNU Image Manipulation Program--and is the essential guide for designers working in a Linux/Unix environment. This handy reference covers GIMP version 1.2. It explains the function of every menu item and offers tips for everyday use.

Semantische Techniken zur strukturierten Erschliessung von Web 2.0-Content und kollaborative Anreicherung von Web Content mit maschinenlesbaren Metadaten wachsen zum Social Semantic Web zusammen. Kennzeichnend ist dabei die breite Konvergenz zwischen Social Software und Semantic Web-Technologien. Das Buch stellt die technischen, organisatorischen und kulturellen Veranderungen dar, die das Social Semantic Web begleiten. Entscheidungstrager und Entwickler konnen auf dieser Grundlage die Tragweite dieser Technologie fur ihr Unternehmen erkennen."

Fundiertes Know-how fur Einsteiger und System-Administratoren: Verstandlich und klar strukturiert vermittelt der Grundlagenband alle wesentlichen Aspekte zum Management eines Solaris-Systems sowohl fur SPARC- als auch fur PC. Das Spektrum reicht von der Installation bis zum Arbeiten mit der Workstation bzw. dem Server. Eine CD-ROM mit Public Domain Software erganzt das Betriebssystem."

Using csh & tcsh describes from the beginning how to use these shells interactively to get your work done faster with less typing. You'll learn how to make your prompt tell you where you are (no more pwd); use what you've typed before (history); type long command lines with very few keystrokes (command and filename completion); remind yourself of filenames when in the middle of typing a command; and edit a botched command without retyping it.

Written by the author of Expect, this is the first book to explain how this part of the UNIX toolbox can be used to automate Telnet, FTP, passwd, rlogin, and hundreds of other interactive applications. Based on Tcl (Tool Command Language), Expect lets you automate interactive applications that have previously been extremely difficult to handle with any scripting language.

In 2016, Google's Site Reliability Engineering book ignited an industry discussion on what it means to run production services today-and why reliability considerations are fundamental to service design. Now, Google engineers who worked on that bestseller introduce The Site Reliability Workbook, a hands-on companion that uses concrete examples to show you how to put SRE principles and practices to work in your environment. This new workbook not only combines practical examples from Google's experiences, but also provides case studies from Google's Cloud Platform customers who underwent this journey. Evernote, The Home Depot, The New York Times, and other companies outline hard-won experiences of what worked for them and what didn't. Dive into this workbook and learn how to flesh out your own SRE practice, no matter what size your company is. You'll learn: How to run reliable services in environments you don't completely control-like cloud Practical applications of how to create, monitor, and run your services via Service Level Objectives How to convert existing ops teams to SRE-including how to dig out of operational overload Methods for starting SRE from either greenfield or brownfield