Bøker utgitt av O'Reilly Media

Puppets true power exists in the simple resource model it uses to manage the state of complex operating systems. This concise guide shows you how to extend that model and implement custom functionality on top of Puppet by working with the type and provider APIs.Two experts from Puppet Labs explain the concepts behind these APIs, and provide instructions and examples to help you write your own fully functional types and providers. Youll also delve into Puppets source code to get a better understanding of how types and providers are implemented internally. If youre familiar with basic Puppet concepts, youre ready to get started.Learn the fundamental concepts behind resources, and become familiar with the structure of Puppets Resource ModelDiscover how the type API is used to create new resource types that Puppet can manageUnderstand how providers interact with the system to achieve the desired state of a declared resourceExplore advanced features to get a more complete understanding of how Puppet worksSimplify the troubleshooting process when developing types and providers

With this practical book, youll discover how to catch complications in your distributed system before they develop into costly problems. Based on his extensive experience in systems ops at large technology companies, author Slawek Ligus describes an effective data-driven approach for monitoring and alerting that enables you to maintain high availability and deliver a high quality of service.Learn methods for measuring state changes and data flow in your system, and set up alerts to help you recover quickly from problems when they do arise. If youre a system operator waging the daily battle to provide the best performance at the lowest cost, this book is for you.Monitor every component of your application stack, from the network to user experienceLearn how to draw the right conclusions from the metrics you obtainDevelop a robust alerting system that can identify problematic anomalieswithout raising false alarmsAddress system failures by their impact on resource utilization and user experiencePlan an alerting configuration that scales with your expanding networkLearn how to choose appropriate maintenance times automaticallyDevelop a work environment that fosters flexibility and adaptability

In this practical book, veteran developer Rob Larsen outlines the principles out what he calls The Uncertain Web, and shows you techniques necessary to successfully make the transition. Consumer Long Text:

Ready to build apps for iPhone, iPad, and Mac now that Swift has landed? If youre an experienced programmer whos never touched Apple developer tools, this hands-on book shows you how to use the Swift language to make incredible iOS and OS X apps, using Cocoa and Cocoa Touch.Learn how to use Swift in a wide range of real-world situations, with Cocoa features such as Event Kit and Core Animation. Youll pick up Swift language features and syntax along the way, and understand why using Swift (instead of Objective-C) makes iOS and Mac app development easier, faster, and safer. Youll also work with several exercises to help you practice as you learn.Learn the OS X and iOS application lifecycleUse storyboards to design adaptive interfacesExplore graphics systems, including the built-in 2D and 3D game frameworksDisplay video and audio with AVFoundationStore data locally with the file system, or on the network with iCloudDisplay lists or collections of data with table views and collection viewsBuild apps that let users create, edit, and work with documentsUse MapKit, Core Location, and Core Motion to interact with the world

Learn to make iOS apps even if you have absolutely no programming experience. This hands-on book takes you from idea to App Store, using real-world examplessuch as driving a car or eating at a restaurantto teach programming and app development. Youll learn concepts through clear, concise, jargon-free language.This book focuses on Apples new programming language, Swift. Each lesson is divided into two parts: the lecture portion explains the terms and concepts through examples, and the exercise portion helps you apply these concepts while building real-world apps, like a tip calculator. Learn how to think differentlyand see the world from a whole new perspective.Learn the basic building blocks of programmingDive into the Swift programming languageMake apps for iPhone and iPadUse GPS in your app to find a users locationTake or select photos with your appIntegrate your app with Facebook and TwitterSubmit your app to the App StoreManage and market your app on the App Store

Rather than yet another book trying to sell or convince readers on the benefits of clouds, this book provides guidance, lessons learned, and best practices on how to design, deploy, operate, and secure an enterprise cloud based on real-world experience.

Responsive web design helps your site maintain its design integrity on a variety of screen sizes, but how does it affect your typography? With this practical book, graphic designers, web designers, and front-end developers alike will learn the nuts and bolts of implementing web fonts well, especially how to get the best appearance from type without sacrificing performance on any device.After examining typography fundamentals and the evolution of type on the Web, author Jason Pamental provides useful approaches, real examples, code, and advice for making your type performant, progressive, proportional, and polishedthe primary ingredients of responsive typography.Understand how type plays a vital role in content-first web designWeigh the tradeoffs between self-hosting and using a font service to get the best performance for your siteGet your type on the screen fast by designing for Progressive EnhancementUse a responsive relative scale to adjust proportions between typographic elements for any device or resolutionPolish your type with ligatures, kerning, and other techniques to create rich, textured reading experiences

Learn App Inventor basics hands-on with step-by-step instructions for building more than a dozen fun projects, and then dive into the fundamentals of app building and computer science with the Inventor's Manual.

Todays highly interactive websites pose a challenge for traditional SQL databasesthe ability to scale rapidly and serve loads of concurrent users. With this concise guide, youll learn how to build web applications on top of Couchbase Server 2.0, a NoSQL database that can handle websites and social media where hundreds of thousands of users read and write large volumes of information.Using food recipe information as examples, this book demonstrates how to take advantage of Couchbases document-oriented database design, and how to store and query data with various CRUD operations. Discover why Couchbase is better than SQL databases with memcached tiers for managing data from the most interactive portions of your application.Learn about Couchbase Servers cluster-based architecture and how it differs from SQL databasesChoose a client library for Java, .NET, Ruby, Python, PHP, or C, and connect to a clusterStructure data in a variety of formats, from serialized objects, a stream of raw bytes, or as JSON documentsLearn core storage and retrieval methods, including document IDs, expiry times, and concurrent updatesCreate views with map/reduce and learn Couchbase mechanisms for querying and selection

Get moving with Dart, the development platform that helps you build high-performance HTML5 apps for the modern Web. With this guide, youll take a hands-on tour of the Dart language, libraries, and toolsincluding its editor and virtual machinefor developing structured, fast, and maintainable web apps that run on both the client and the server.Written by developer advocates at Google, this updated edition covers Dart 1.0. Google designed Dart to boost performance and help developers work more efficiently. This book shows you how to build everything from simple scripts to complex apps that work well in todays browsers.Build web apps with the object-oriented Dart language, and compile your code to JavaScriptDelve into language features, from optional types and method cascades to named constructorsCreate, launch, and debug web and command-line apps with Dart EditorExplore Dart APIs, including dart:core, dart:html, dart:io, dart:convert, and dart:mirrorsUse tools such as Dartium, the Chromium-based browser that can run Dart apps nativelyWalk through Dartiverse Search, a client-server app that combines useful and fun language and API features

A guide to insights and best practices with both open data sharing and civic apps competitions based on the authors' experience with Apps 4 Metro Chicago IL. This will also serve as a "how-to" guide for community and developer outreach, which is a key element to a successful competition.

Provides information on how to carry out traditional programming tasks in a high-powered, efficient, easy-to-maintain manner with Perl. Topics range in complexity from sorting and searching to statistical algorithms, numerical analysis, and encryption.

In todays market, where rival web services compete for attention, a well-designed REST API is a must-have feature. This concise book presents a set of API design rules, drawn primarily from best practices that stick close to the Webs REST architectural style. Along with rules for URI design and HTTP use, youll learn guidelines for media types and representational forms.REST APIs are ubiquitous, but few of them follow a consistent design methodology. Using these simple rules, you will design web service APIs that adhere to recognized web standards. To assist you, author Mark Mass introduces the Web Resource Modeling Language (WRML), a conceptual framework he created for the design and implementation of REST APIs.Learn design rules for addressing resources with URIsApply design principles to HTTPs request methods and response status codesWork with guidelines for conveying metadata through HTTP headers and media typesGet design tips to address the needs of client programs, including the special needs of browser-based JavaScript clientsUnderstand why REST APIs should be designed and configured, not coded

When you combine the sheer scale and range of digital information now available with a journalists "e;nose for news"e; and her ability to tell a compelling story, a new world of possibility opens up. With The Data Journalism Handbook, youll explore the potential, limits, and applied uses of this new and fascinating field.This valuable handbook has attracted scores of contributors since the European Journalism Centre and the Open Knowledge Foundation launched the project at MozFest 2011. Through a collection of tips and techniques from leading journalists, professors, software developers, and data analysts, youll learn how data can be either the source of data journalism or a tool with which the story is toldor both.Examine the use of data journalism at the BBC, the Chicago Tribune, the Guardian, and other news organizationsExplore in-depth case studies on elections, riots, school performance, and corruptionLearn how to find data from the Web, through freedom of information laws, and by "e;crowd sourcing"e;Extract information from raw data with tips for working with numbers and statistics and using data visualizationDeliver data through infographics, news apps, open data platforms, and download links

You dont have to be a techie to use FileMaker Pro 12, but you do need to know what youre doing. With this crystal-clear guide, youll learn how to create a powerful database that lets you do almost anything with your data. Whether youre running a business, printing a catalog, or planning a wedding, youll learn how to customize your database and put it to work.The important stuff you need to know:Get started. Tour FileMaker Pros features and create your first database in minutes.Catalog your data. View, sort, and shape information in dozens of ways.Create professional documents. Publish reports, invoices, and other documents with ease.Harness processing power. Use calculations and scripts to crunch numbers, search text, and automate tasks.Add visual power and clarity. Create colorful charts to illustrate and summarize your data.Think like a developer. Dive into the high-level features of FileMaker Pro Advanced.

What are your organizations policies for generating and using huge datasets full of personal information? This book examines ethical questions raised by the big data phenomenon, and explains why enterprises need to reconsider business decisions concerning privacy and identity. Authors Kord Davis and Doug Patterson provide methods and techniques to help your business engage in a transparent and productive ethical inquiry into your current data practices.Both individuals and organizations have legitimate interests in understanding how data is handled. Your use of data can directly affect brand quality and revenueas Target, Apple, Netflix, and dozens of other companies have discovered. With this book, youll learn how to align your actions with explicit company values and preserve the trust of customers, partners, and stakeholders.Review your data-handling practices and examine whether they reflect core organizational valuesExpress coherent and consistent positions on your organizations use of big dataDefine tactical plans to close gaps between values and practicesand discover how to maintain alignment as conditions change over timeMaintain a balance between the benefits of innovation and the risks of unintended consequences

This companion book to MakerShed's Ultimate Arduino Microcontroller Pack provides 26 clearly explained projects that you can build with this top-selling kit right away--including multicolor flashing lights, timers, tools for testing circuits, sound effects, motor control, and sensor devices.

You can do many things with NOOK HD right out of the box, but if you really want to get the most from your HD or HD+ tablet, start with this book. With clear instructions, full-color illustrations, and savvy advice from technology expert Preston Gralla, you'll learn how to use email and the Web, watch movies and shows, play games and more.

Get up to speed on Microsoft Project 2013 and learn how to manage projects large and small. This crystal-clear book not only guides you step-by-step through Project 2013s new features, it also gives you real-world guidance: how to prep a project before touching your PC, and which Project tools will keep you on target. With this Missing Manual, youll go from project manager to Project master.The important stuff you need to knowLearn Project 2013 inside out. Get hands-on instructions for the Standard and Professional editions.Start with a project management primer. Discover what it takes to handle a project successfully.Build and refine your plan. Put together your team, schedule, and budget.Achieve the results you want. Build realistic schedules with Project, and learn how to keep costs under control.Track your progress. Measure your performance, make course corrections, and manage changes.Create attractive reports. Communicate clearly to stakeholders and team members using charts, tables, and dashboards.Use Projects power tools. Customize Projects features and views, and transfer info via the cloud, using Microsoft SkyDrive.

Views are a key part of database technology, but they're often considered read-only. In this book, Chris Date - a leading expert in relational databases - offers practical techniques that allow you to update the views that a database presents to you.

Unlock the secrets of Access 2013 and discover how to use your data in creative ways. With this book's easy step-by-step instructions, you'll learn how to build and maintain a full-featured database and even turn it into a web app.

The world's most popular spreadsheet program is now more powerful than ever, but it's also more complex. That's where this Missing Manual comes in. With crystal-clear explanations and hands-on examples, Excel 2013: The Missing Manual shows you how to master Excel so you can easily track, analyze, and chart your data.

Microsoft Office is the most widely used productivity software in the world, but most people just know the basics. This helpful guide gets you started with the programs in Office 2013, and provides lots of power-user tips and tricks when you're ready for more.

Get a concise introduction to Jasmine, the popular behavior-driven testing framework for JavaScript. This practical guide shows you how to write unit tests with Jasmine that automatically check for bugs in your application. If you have JavaScript experiencewith knowledge of some advanced featuresyoull learn how to write specifications for individual components, and then use those specs to test the code you write.Throughout the book, author Evan Hahn focuses primarily on methods for testing browser-based JavaScript applications, but youll also discover how to use Jasmine with CoffeeScript, Node.js, Ruby on Rails, and Ruby without Rails. You wont find a more in-depth source for Jasmine anywhere.Get an overview of both test-driven and behavior-driven developmentWrite useful specs by determining what you need to testand what you dontTest the behavior of new and existing code against the specs you createApply Jasmine matchers and discover how to build your ownOrganize code suites into groups and subgroups as your code becomes more complexUse a Jasmine spy in place of a function or an objectand learn why its valuable

Improve your programming through a solid understanding of C pointers and memory management. With this practical book, you'll learn how pointers provide the mechanism to dynamically manipulate memory, enhance support for data structures, and enable access to hardware.

Discover how easy it is to design killer interfaces and responsive websites with the Bootstrap framework. This practical book gets you started building pages with Bootstraps HTML/CSS-based tools and design templates right away. Youll also learn how to extend your app with interactive features, using its suite of jQuery pluginsoften without writing a single line of code.Developed by Twitter and available free from GitHub, Bootstrap supports responsive design by dynamically adjusting your web page layout. With just a basic knowledge of HTML, CSS, and JavaScript, you can build apps that work equally well on desktop screens, smartphones, and tablets. This book shows you how.Become familiar with Bootstraps file structure, grid systems, and container layoutsLearn HTML elements for typography, code, tables, forms, buttons, images, and iconsDesign interfaces and other web elements, such as navigation, breadcrumbs, and custom modal windowsUse jQuery plugins for features such as revolving slideshows, tabbable interfaces, and dropdown menusModify everything from column count to typography colors with the LESS stylesheet language

Written by Oracle insiders, this indispensable guide distills an enormous amount of information about the Oracle Database into one compact volume. Ideal for novice and experienced DBAs, developers, managers, and users, Oracle Essentials walks you through technologies and features in Oracles product line, including its architecture, data structures, networking, concurrency, and tuning.Complete with illustrations and helpful hints, this fifth edition provides a valuable one-stop overview of Oracle Database 12c, including an introduction to Oracle and cloud computing. Oracle Essentials provides the conceptual background you need to understand how Oracle truly works.Topics include:A complete overview of Oracle databases and data stores, and Fusion Middleware products and featuresCore concepts and structures in Oracles architecture, including pluggable databasesOracle objects and the various datatypes Oracle supportsSystem and database management, including Oracle Enterprise Manager 12cSecurity options, basic auditing capabilities, and options for meeting compliance needsPerformance characteristics of disk, memory, and CPU tuningBasic principles of multiuser concurrencyOracles online transaction processing (OLTP)Data warehouses, Big Data, and Oracles business intelligence toolsBackup and recovery, and high availability and failover solutions

If youre an advanced beginner or intermediate JavaScript developer, JavaScript Enlightenment will solidify your understanding of the languageespecially if you use a JavaScript library. In this concise book, JavaScript expert Cody Lindley (jQuery Cookbook) provides an accurate view of the language by examining its objects and supporting nuances.Libraries and frameworks help you build web applications quickly and efficiently, but when things go wrong or performance becomes an issue, knowing how and why they work is critical. If youre ready to go under the hood and get your hands dirty with JavaScript internals, this is your book.Get a short and digestible summary of ECMA-262, Edition 3, backed by real code you can run instantlyExamine the creation of JavaScript objectsLearn complex values, primitive values, scope, and inheritanceUnderstand the importance of the head objectWork with string, number, and Boolean objects and valuesDiscover how to use the null value and the built-in math objectGet into the detailsbeyond Mozillas reference guide for JavaScript 1.5

This complete field guide, authorized by Juniper Networks, is the perfect hands-on reference for deploying, configuring, and operating Junipers SRX Series networking device. Authors Brad Woodberg and Rob Cameron provide field-tested best practices for getting the most out of SRX deployments, based on their extensive field experience.While their earlier book, Junos Security, covered the SRX platform, this book focuses on the SRX Series devices themselves. You'll learn how to use SRX gateways to address an array of network requirementsincluding IP routing, intrusion detection, attack mitigation, unified threat management, and WAN acceleration. Along with case studies and troubleshooting tips, each chapter provides study questions and lots of useful illustrations.Explore SRX components, platforms, and various deployment scenariosLearn best practices for configuring SRXs core networking featuresLeverage SRX system services to attain the best operational stateDeploy SRX in transparent mode to act as a Layer 2 bridgeConfigure, troubleshoot, and deploy SRX in a highly available mannerDesign and configure an effective security policy in your networkImplement and configure network address translation (NAT) typesProvide security against deep threats with AppSecure, intrusion protection services, and unified threat management tools

Discover why Vagrant is a must-have tool for thousands of developers and ops engineers. This hands-on guide shows you how to use this open source software to build a virtual machine for any purposeincluding a completely sandboxed, fully provisioned development environment right on your desktop.Vagrant creator Mitchell Hashimoto shows you how to share a virtual machine image with members of your team, set up a separate virtualization for each project, and package virtual machines for use by others. This book covers the V1 (1.0.x) configuration syntax running on top of a V2 (1.1+) core, the most stable configuration format running on the latest core.Build a simple virtual machine with just two commands and no configurationCreate a development environment that closely resembles productionAutomate software installation and management with shell scripts, Chef, or PuppetSet up a network interface to access your virtual machine from any computerUse your own editor and browser to develop and test your applicationsTest complicated multi-machine clusters with a single VagrantfileChange Vagrants default operating system to match your production OSExtend Vagrant features with plugins, including components you build yourself