Products related to Scratch:
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Linux Kernel Development
Linux Kernel Development details the design and implementation of the Linux kernel, presenting the content in a manner that is beneficial to those writing and developing kernel code, as well as to programmers seeking to better understand the operating system and become more efficient and productive in their coding. The book details the major subsystems and features of the Linux kernel, including its design, implementation, and interfaces.It covers the Linux kernel with both a practical and theoretical eye, which should appeal to readers with a variety of interests and needs. The author, a core kernel developer, shares valuable knowledge and experience on the 2.6 Linux kernel.Specific topics covered include process management, scheduling, time management and timers, the system call interface, memory addressing, memory management, the page cache, the VFS, kernel synchronization, portability concerns, and debugging techniques.This book covers the most interesting features of the Linux 2.6 kernel, including the CFS scheduler, preemptive kernel, block I/O layer, and I/O schedulers. The third edition of Linux Kernel Development includes new and updated material throughout the book: An all-new chapter on kernel data structuresDetails on interrupt handlers and bottom halvesExtended coverage of virtual memory and memory allocationTips on debugging the Linux kernelIn-depth coverage of kernel synchronization and lockingUseful insight into submitting kernel patches and working with the Linux kernel community
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Learning eBPF : Programming the Linux Kernel for Enhanced Observability, Networking, and Security
What is eBPF? With this revolutionary technology, you can write custom code that dynamically changes the way the kernel behaves.It's an extraordinary platform for building a whole new generation of security, observability, and networking tools. This practical book is ideal for developers, system administrators, operators, and students who are curious about eBPF and want to know how it works.Author Liz Rice, chief open source officer with cloud native networking and security specialists Isovalent, also provides a foundation for those who want to explore writing eBPF programs themselves. With this book, you will:Learn why eBPF has become so important in the past couple of yearsWrite basic eBPF code, and manipulate eBPF programs and attach them to eventsExplore how eBPF components interact with Linux to dynamically change the operating system's behaviorLearn how tools based on eBPF can instrument applications without changes to the apps or their configurationDiscover how this technology enables new tools for observability, security, and networking
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Learning eBPF: Programming the Linux Kernel for Enhanced Observability, Networking, and Security
Learning eBPF: Programming the Linux Kernel for Enhanced Observability, Networking, and Security
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Super Scratch Programming Adventure (scratch 3)
Readers create projects inspired by classic arcade games that can be programmed (and played!) in an afternoon.Patient, step-by-step explanations of the code and fun programming challenges will have kids creating their own games in no time.In addition to specific programming instructions, the book includes comics that draw young learners into the book.Readers learn to code as they work through the comics which make programming concepts like variables, flow control, and subroutines effortless to absorb.Created together with Mitch Resnick, the creator of Scratch.
Price: 17.99 £ | Shipping*: 3.99 £
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Need help with programming in Scratch.
If you need help with programming in Scratch, there are many resources available to assist you. You can start by exploring the tutorials and guides provided on the Scratch website. Additionally, there are online forums and communities where you can ask questions and seek advice from experienced Scratch users. Don't hesitate to experiment and practice on your own to improve your programming skills in Scratch.
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How can one learn programming with Scratch?
One can learn programming with Scratch by starting with the basics such as understanding the different blocks and their functions. It is important to experiment with creating simple projects and gradually increasing the complexity as one becomes more comfortable with the platform. Additionally, utilizing online resources such as tutorials, forums, and project galleries can provide guidance and inspiration for learning and improving programming skills with Scratch. Finally, practicing regularly and challenging oneself with new projects will help solidify the knowledge and skills gained through learning with Scratch.
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I need help with programming in Scratch.
I'd be happy to help you with programming in Scratch! What specific aspect of programming in Scratch do you need assistance with? Whether it's understanding how to create sprites, use different blocks, or troubleshoot errors, I can provide guidance and support to help you improve your skills in Scratch programming. Feel free to ask any specific questions you have, and I'll do my best to assist you.
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Does Scratch count as a programming language?
Yes, Scratch can be considered a programming language. It is a visual programming language designed for beginners, particularly children, to learn the fundamentals of coding. Scratch uses a block-based interface to create code by snapping together different blocks, making it easier for beginners to understand and use. While it may not be as complex as traditional text-based programming languages, it still allows users to create interactive stories, games, and animations, making it a valuable tool for learning the basics of programming.
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Understanding the Linux Kernel
In order to thoroughly understand what makes Linux tick and why it works so well on a wide variety of systems, you need to delve deep into the heart of the kernel.The kernel handles all interactions between the CPU and the external world, and determines which programs will share processor time, in what order.It manages limited memory so well that hundreds of processes can share the system efficiently, and expertly organizes data transfers so that the CPU isn't kept waiting any longer than necessary for the relatively slow disks.The third edition of Understanding the Linux Kernel takes you on a guided tour of the most significant data structures, algorithms, and programming tricks used in the kernel.Probing beyond superficial features, the authors offer valuable insights to people who want to know how things really work inside their machine. Important Intel-specific features are discussed. Relevant segments of code are dissected line by line.But the book covers more than just the functioning of the code; it explains the theoretical underpinnings of why Linux does things the way it does.This edition of the book covers Version 2.6, which has seen significant changes to nearly every kernel subsystem, particularly in the areas of memory management and block devices.The book focuses on the following topics: * Memory management, including file buffering, process swapping, and Direct memory Access (DMA) * The Virtual Filesystem layer and the Second and Third Extended Filesystems * Process creation and scheduling * Signals, interrupts, and the essential interfaces to device drivers * Timing * Synchronization within the kernel * Interprocess Communication (IPC) * Program execution Understanding the Linux Kernel will acquaint you with all the inner workings of Linux, but it's more than just an academic exercise.You'll learn what conditions bring out Linux's best performance, and you'll see how it meets the challenge of providing good system response during process scheduling, file access, and memory management in a wide variety of environments.This book will help you make the most of your Linux system.
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Linux System Programming
Write software that draws directly on services offered by the Linux kernel and core system libraries.With this comprehensive book, Linux kernel contributor Robert Love provides you with a tutorial on Linux system programming, a reference manual on Linux system calls, and an insider's guide to writing smarter, faster code.Love clearly distinguishes between POSIX standard functions and special services offered only by Linux. With a new chapter on multithreading, this updated and expanded edition provides an in-depth look at Linux from both a theoretical and applied perspective over a wide range of programming topics, including: A Linux kernel, C library, and C compiler overview Basic I/O operations, such as reading from and writing to files Advanced I/O interfaces, memory mappings, and optimization techniques The family of system calls for basic process management Advanced process management, including real-time processes Thread concepts, multithreaded programming, and Pthreads File and directory management Interfaces for allocating memory and optimizing memory access Basic and advanced signal interfaces, and their role on the system Clock management, including POSIX clocks and high-resolution timers
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Mastering Embedded Linux Programming
Harness the power of Linux to create versatile and robust embedded solutionsAbout This Book• Create efficient and secure embedded devices using Linux• Minimize project costs by using open source tools and programs• Explore each component technology in depth, using sample implementations as a guideWho This Book Is ForThis book is ideal for Linux developers and system programmers who are already familiar with embedded systems and who want to know how to create best-in-class devices.A basic understanding of C programming and experience with systems programming is needed. What You Will Learn• Understand the role of the Linux kernel and select an appropriate role for your application• Use Buildroot and Yocto to create embedded Linux systems quickly and efficiently• Create customized bootloaders using U-Boot• Employ perf and ftrace to identify performance bottlenecks• Understand device trees and make changes to accommodate new hardware on your device• Write applications that interact with Linux device drivers• Design and write multi-threaded applications using POSIX threads• Measure real-time latencies and tune the Linux kernel to minimize themIn DetailMastering Embedded Linux Programming takes you through the product cycle and gives you an in-depth description of the components and options that are available at each stage.You will begin by learning about toolchains, bootloaders, the Linux kernel, and how to configure a root filesystem to create a basic working device.You will then learn how to use the two most commonly used build systems, Buildroot and Yocto, to speed up and simplify the development process.Building on this solid base, the next section considers how to make best use of raw NAND/NOR flash memory and managed flash eMMC chips, including mechanisms for increasing the lifetime of the devices and to perform reliable in-field updates.Next, you need to consider what techniques are best suited to writing applications for your device.We will then see how functions are split between processes and the usage of POSIX threads, which have a big impact on the responsiveness and performance of the final device The closing sections look at the techniques available to developers for profiling and tracing applications and kernel code using perf and ftrace. Style and approach This book is an easy-to-follow and pragmatic guide consisting of an in-depth analysis of the implementation of embedded devices.Each topic has a logical approach to it; this coupled with hints and best practices helps you understand embedded Linux better.
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The Linux Programming Interface
The Linux Programming Interface (TLPI) is the definitive guide to the Linux and UNIX programming interface the interface employed by nearly every application that runs on a Linux or UNIX system.In this authoritative work, Linux programming expert Michael Kerrisk provides detailed descriptions of the system calls and library functions that you need in order to master the craft of system programming, and accompanies his explanations with clear, complete example programs.You'll find descriptions of over 500 system calls and library functions, and more than 200 example programs, 88 tables, and 115 diagrams.You'll learn how to: Read and write files efficiently Use signals, clocks, and timers Create processes and execute programs Write secure programs Write multithreaded programs using POSIX threads Build and use shared libraries Perform interprocess communication using pipes, message queues, shared memory, and semaphores Write network applications with the sockets API While The Linux Programming Interface covers a wealth of Linux-specific features, including epoll, inotify, and the /proc file system, its emphasis on UNIX standards (POSIX.1-2001/SUSv3 and POSIX.1-2008/SUSv4) makes it equally valuable to programmers working on other UNIX platforms.The Linux Programming Interface is the most comprehensive single-volume work on the Linux and UNIX programming interface, and a book that's destined to become a new classic.The Linux Programming Interface (TLPI) is the definitive guide to the Linux and UNIX programming interface the interface employed by nearly every application that runs on a Linux or UNIX system.In this authoritative work, Linux programming expert Michael Kerrisk provides detailed descriptions of the system calls and library functions that you need in order to master the craft of system programming, and accompanies his explanations with clear, complete example programs.You'll find descriptions of over 500 system calls and library functions, and more than 200 example programs, 88 tables, and 115 diagrams.You'll learn how to: Read and write files efficiently Use signals, clocks, and timers Create processes and execute programs Write secure programs Write multithreaded programs using POSIX threads Build and use shared libraries Perform interprocess communication using pipes, message queues, shared memory, and semaphores Write network applications with the sockets API While The Linux Programming Interface covers a wealth of Linux-specific features, including epoll, inotify, and the /proc file system, its emphasis on UNIX standards (POSIX.1-2001/SUSv3 and POSIX.1-2008/SUSv4) makes it equally valuable to programmers working on other UNIX platforms.The Linux Programming Interface is the most comprehensive single-volume work on the Linux and UNIX programming interface, and a book that's destined to become a new classic.
Price: 94.99 £ | Shipping*: 0.00 £
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How do I start with Linux from scratch?
To start with Linux from scratch, you can begin by downloading the Linux From Scratch (LFS) book, which provides a comprehensive guide on building a Linux system from the ground up. Next, you will need to set up a dedicated partition or virtual machine to work on the LFS project. Then, follow the step-by-step instructions in the LFS book to compile and install the necessary packages and components to create your custom Linux system. It's important to carefully follow the instructions and pay attention to details to successfully build your own Linux system from scratch.
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From when can one scratch scratch cards?
One can scratch scratch cards as soon as they are purchased. There is no specific waiting period or restriction on when one can scratch the card. Once the card is bought, the player can immediately scratch off the covering to reveal the hidden symbols or numbers to see if they have won a prize.
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Which distro do you use, Linux users?
As an AI, I do not have personal preferences or the ability to use operating systems. However, Linux users often choose their distribution based on their specific needs and preferences. Some popular distributions include Ubuntu for its user-friendly interface, Fedora for its focus on the latest technologies, and Debian for its stability and reliability. Ultimately, the choice of distribution depends on the user's requirements and level of expertise.
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How can one program Linux for children using Scratch 3?
To program Linux for children using Scratch 3, you can start by installing Scratch 3 on the Linux system. You can download the Scratch 3 offline editor from the official website and follow the installation instructions. Once installed, children can start creating their own interactive stories, games, and animations by dragging and dropping code blocks. Encourage children to explore the different features and functionalities of Scratch 3 to unleash their creativity and develop their programming skills in a fun and engaging way.
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