Use BPF Tools to Optimize Performance, Fix Problems, and See Inside Running Systems BPF-based performance tools give you unprecedented visibility into systems and applications, so you can optimize performance, troubleshoot code, strengthen security, and reduce costs. BPF Performance Tools: Linux System and Application Observability is the definitive guide to using these tools for observability. Pioneering BPF expert Brendan Gregg presents more than 150 ready-to-run analysis and debugging tools, expert guidance on applying them, and step-by-step tutorials on developing your own. You'll learn how to analyze CPUs, memory, disks, file systems, networking, languages, applications, containers, hypervisors, security, and the kernel. Gregg guides you from basic to advanced tools, helping you generate deeper, more useful technical insights for improving virtually any Linux system or application. * Learn essential tracing concepts and both core BPF front-ends: BCC and bpftrace * Master 150+ powerful BPF tools, including dozens created just for this book, and available for download * Discover practical strategies, tips, and tricks for more effective analysis * Analyze compiled, JIT-compiled, and interpreted code in multiple languages: C, Java, bash shell, and more * Generate metrics, stack traces, and custom latency histograms * Use complementary tools when they offer quick, easy wins * Explore advanced tools built on BPF: PCP and Grafana for remote monitoring, eBPF Exporter, and kubectl-trace for tracing Kubernetes * Foreword by Alexei Starovoitov, creator of the new BPF BPF Performance Tools will be an indispensable resource for all administrators, developers, support staff, and other IT professionals working with any recent Linux distribution in any enterprise or cloud environment.

Microsoft Office for iPad is here! So learn the tips, tricks, and get around the gotchas in Microsoft Office for iPad with Pro Office for iPad. This book shows you how you can become productive quickly by avoiding those annoyances and confusions and slow-me-downs that can happen when you start using Office with your fingers! How is Office for iPad different from Office on your Mac or PC? Which features do the Office for iPad apps have, which do they lack, and how can you work around their limitations? How can you share your files among the different versions of Office? How quickly can you work without the physical keyboard and keyboard shortcuts you're used to -- and which keyboard shortcuts can you use if you connect a hardware keyboard to your iPad? Whether you plan to write a few letters or your dissertation, run your home office away from home, or use your iPad for daily business, Pro Office for iPad will show you how to get the most out of Word, Excel, and other Office apps on your iPad. Enjoy your new freedom and still be as productive as ever with the skills and techniques you'll learn in Pro Office for iPad.

The professional development team that brought you two editions of Objective-C for the Absolute Beginners and have taught thousands of developers around the world to write some of the most popular iPhone apps in their categories on the app store, have now leveraged their instruction for Swift. Swift for Absolute Beginners is perfect for those with no programming background, those with some programming experience but no object-oriented experience, or those that have a great idea for an app but haven't programmed since school. Gary Bennett and Brad Lees are full-time professional iOS developers and have developed a broad spectrum of apps for Fortune 500 companies. The authors have taken their combined 12 years of writing apps, teaching online iOS courses, the experience from their first two iOS books, along with their free online instruction and free online forum to create an excellent training book. Topics include: How to be successful at learning Swift Using Swift Playgrounds to learn iOS development quickly What is Object Oriented Programming What are Swift classes, properties, and functions Proper user interface and user experience design Swift data types: integers, floats, strings, booleans How to use Swift data collections: arrays and dictionaries Boolean logic, comparing data, and flow control Writing iPhone apps from scratch Avoiding Swift pitfalls Many students have a difficult time believing they can learn to write iOS apps or just staying motivated through learning the process. This book, along with the free, live online training sessions, helps students stay motivated and overcome obstacles while they learn to be great iOS developers.

There's more to build than just game apps for the Apple iTunes App Store. There are rich media or multimedia apps, for example. You can build media or utility apps that take advantage of media such as sound, music, photos, video, animation and other graphics and combines them into a rich media experience or can just make your utility app come alive. Beginning iOS Media Apps Development is a ground-breaking tutorial that explores the near limitless, programmable audio-visual capabilities of the iPhone, iPad and iPod touch using 5 real-world examples or case study apps. This book includes detailed step-by-step instructions and important background information from one of the worlds' most successful media app developers out there, Michael Zaletel. What you'll learn How to build a rich, dynamic media or multimedia apps using iOS SDK Get your hands dirty right away with a flash light app, and later 4 other app case studies in remainder of this tutorial What are the fundamentals of iOS media How to do develop and integrate photos on iOS How to create, edit and build the audio experience into your apps that have sound and music How to create, edit and build the video and animation experience into your apps How to combine these experiences and much more Who this book is for This book is for iOS app developers with at least some experience with the iOS SDK, Objective-C and/or Cocoa touch.

You can do more with Git than just build software. This practical guide delivers a unique people-first approach to version control that also explains how using Git as a focal point can help your team work better together. You'll learn how to plan and pursue a Git workflow that not only ensures that you accomplish project goals, but also fits the immediate needs and future growth of your team. The first part of the book on structuring workflow is useful for project managers, technical team leads, and CTOs. The second part provides hands-on exercises to help developers gain a better understanding of Git commands. Explore the dynamics of team building Walk through the process of creating and deploying software with Git Structure workflow to influence the way your team collaborates Learn a useful process for conducting code reviews Set up a shared repository and identify specific team members as contributors, consumers, or maintainers Know the why behind the Git commands your teammates use Use branching strategies to separate different approaches to your project Examine popular collaboration platforms: GitHub, Bitbucket, and GitLab

This book constitutes the refereed proceedings of the 21st International Conference on Parallel and Distributed Computing, Euro-Par 2015, held in Vienna, Austria, in August 2015. The 51 revised full papers presented together with 2 invited papers were carefully reviewed and selected from 190 submissions. The papers are organized in the following topical sections: support tools and environments; performance modeling, prediction and evaluation; scheduling and load balancing; architecture and compilers; parallel and distributed data management; grid, cluster and cloud computing; distributed systems and algorithms; parallel and distributed programming, interfaces and languages; multi- and many-core programming; theory and algorithms for parallel computation; numerical methods and applications; and accelerator computing.

Get instant access to the UNIX commands and functions you need with this fast and friendly reference guide to all things UNIX. UNIX For Dummies Quick Reference, 4th Edition, clues you in to the most popular and essential parts of UNIX: X Windows managers, text editors, sending and receiving electronic mail, and networking.

Starting with the UNIX shell and moving steadily deeper inside the UNIX environment, UNIX For Dummies Quick Reference, 4th Edition, cuts to the chase with clear, concise answers to all your UNIX questions. From the basics of entering commands, organizing files and directories, and determining which shell you're using, this valuable little reference book steers you in the right direction. More than 100 basic UNIX commands are alphabetically sorted for easy lookups, and advanced topics on X Windows managers, text editors, and online components are all just a few pages away.

Why bother with the hassles of sorting through thousands of pages of text when the answers you need are all right here, tucked inside a lay-flat binding that lets you keep your book open to the page you're reading. Could using a UNIX reference be any easier?

So you've got an idea for an iPhone app - along with everyone else on the planet. Set your app apart with elegant design, efficient usability, and a healthy dollop of personality. "Best iPhone App Design" takes you from concept to polished interface design with plain-spoken principles and a rich collection of visual examples for designing exceptional interfaces for the iPhone and iPod Touch. Witty, down-to-earth, and irreverent, this guide is for everyone involved in the app design process: designers, programmers, managers, and marketers. You'll discover practical advice for sharpening your app's features, creating an effortless user experience, using iPhone controls correctly, and creating your own personality-packed visuals. At every stage, you'll find a gallery of app screenshots to illustrate best practices and inspire you with innovative designs. Case studies let you look over the shoulders of the best app developers, following the evolution of app designs from early sketches to finished product. The book's common-sense principles will equip you to ask the right questions throughout the design process to make aesthetic, technical, and usability decisions that will make your app a pleasure to use.