Böcker utgivna av O'Reilly Media

What is bad data? Some people consider it a technical phenomenon, like missing values or malformed records, but bad data includes a lot more. In this handbook, data expert Q. Ethan McCallum has gathered 19 colleagues from every corner of the data arena to reveal how theyve recovered from nasty data problems.From cranky storage to poor representation to misguided policy, there are many paths to bad data. Bottom line? Bad data is data that gets in the way. This book explains effective ways to get around it.Among the many topics covered, youll discover how to:Test drive your data to see if its ready for analysisWork spreadsheet data into a usable formHandle encoding problems that lurk in text dataDevelop a successful web-scraping effortUse NLP tools to reveal the real sentiment of online reviewsAddress cloud computing issues that can impact your analysis effortAvoid policies that create data analysis roadblocksTake a systematic approach to data quality analysis

Make amazing robots and gadgets by combining two of the hottest DIY technologies: the venerable LEGO and the upstart Arduino. With this book, you'll focus on six projects, each more challenging and informative than the next. In each project, you'll explore different ways that Arduino adds functionality to LEGO Mindstorms.

Learn how to build your own computer vision (CV) applications quickly and easily with SimpleCV, an open source framework written in Python. Through examples of real-world applications, this hands-on guide introduces you to basic CV techniques for collecting, processing, and analyzing streaming digital images. Youll then learn how to apply these methods with SimpleCV, using sample Python code. All you need to get started is a Windows, Mac, or Linux system, and a willingness to put CV to work in a variety of ways. Programming experience is optional.Capture images from several sources, including webcams, smartphones, and KinectFilter image input so your application processes only necessary informationManipulate images by performing basic arithmetic on pixel valuesUse feature detection techniques to focus on interesting parts of an imageWork with several features in a single image, using the NumPy and SciPy Python librariesLearn about optical flow to identify objects that change between two image framesUse SimpleCVs command line and code editor to run examples and test techniques

Why learn F#? With this guide, youll learn how this multi-paradigm language not only offers you an enormous productivity boost through functional programming, but also lets you develop applications using your existing object-oriented and imperative programming skills. Youll quickly discover the many advantages of the language, including access to all the great tools and libraries of the .NET platform.Reap the benefits of functional programming for your next project, whether youre writing concurrent code, or building data- or math-intensive applications. With this comprehensive book, former F# team member Chris Smith gives you a head start on the fundamentals and walks you through advanced concepts of the F# language.Learn F#s unique characteristics for building applicationsGain a solid understanding of F#s core syntax, including object-oriented and imperative stylesMake your object-oriented code better by applying functional programming patternsUse advanced functional techniques, such as tail-recursion and computation expressionsTake advantage of multi-core processors with asynchronous workflows and parallel programmingUse new type providers for interacting with web services and information-rich environmentsLearn how well F# works as a scripting language

Its true: you can build native apps for iOS, Android, and Windows Phone with C# and the .NET Frameworkwith help from MonoTouch and Mono for Android. This hands-on guide shows you how to reuse one codebase across all three platforms by combining the business logic layer of your C# app with separate, fully native UIs. Its an ideal marriage of platform-specific development and the "e;write once, run everywhere"e; philosophy.By building a series of simple applications, youll experience the advantages of using .NET in mobile development and learn how to write complete apps that access the unique features of todays three most important mobile platforms.Learn the building blocks for building applications on iOS, Android, and Windows PhoneDiscover how the Mono tools interact with iOS and AndroidUse several techniques and patterns for maximizing non-UI code reuseDetermine how much functionality can go into the shared business logic layerConnect to external resources with .NETs rich networking stackRead and write data using each platforms filesystem and local databaseCreate apps to explore the platforms location and mapping capabilities

Pixel shaders are some of the more powerful graphic tools available for XAML programmers, but shader development bears little resemblance to traditional .NET programming. With this hands-on book, youll not only discover how to use existing shaders in your Windows Presentation Foundation (WPF) and Silverlight applications, youll also learn how create your own effects with XAML and Microsofts HLSL shading language.In the process, youll write, compile, and test custom XAML shaders with the Shazzam Shader Editor, a free utility developed by author Walt Ritscher. The book includes XAML and C# sample code, and Shazzam contains all of the sample shaders discussed.Learn how shaders help you extend the GPUs rendering capabilitiesExplore prevailing shader types, such as color modification, blurring, and spatial transformationGet a quick tour of the shader features, and use pre-built effects on image elements in your applicationExamine the XAML ShaderEffect class to understand how WPF and Silverlight use shadersLearn about the shader-specific tools available in Visual Studio and Expression BlendGet up to speed on HLSL basics and learn how to create a variety of graphics effects

Take the guesswork out using regular expressions to search and manipulate text. With this updated cookbook, you'll learn powerful new tricks, steer clear of flavor-specific gotchas, and save valuable time with this huge library of solutions to difficult, real-world problems.

The Sakai Open Academic Environment (OAE) provides a unique collaboration system for university campuses: a social network that helps students discuss class materials, pursue research, communicate with faculty, and discover the risks and benefits of sharing personal informationall in a private, rather than public, forum. This example-driven guide will get you up to speed on various methods used to deploy, customize, and manage OAE, whether youre an IT specialist in an educational institution, or an academic or instructional technologist.Learn how to work with OAEs source code to modify key areas such as profiles, courses, permissions, and content. Youll soon adapt this network to support the culture and needs of your campus.Create research projects and online companions for lecture coursesLearn about the range of OAEs public and privacy settingsCustomize OAEs look and feel, including the welcome screen, drop-down menus, and sign-up pagesConnect to a local LDAP to work with accounts and authenticationInstall widgets to extend and customize OAEs core functionalityIntegrate OAE with a web server and backend databaseGet a checklist for deploying your custom OAE to production

Need to learn statistics for your job? Want help passing a statistics course? Statistics in a Nutshell is a clear and concise introduction and reference for anyone new to the subject. Thoroughly revised and expanded, this edition helps you gain a solid understanding of statistics without the numbing complexity of many college texts.Each chapter presents easy-to-follow descriptions, along with graphics, formulas, solved examples, and hands-on exercises. If you want to perform common statistical analyses and learn a wide range of techniques without getting in over your head, this is your book.Learn basic concepts of measurement and probability theory, data management, and research designDiscover basic statistical procedures, including correlation, the t-test, the chi-square and Fishers exact tests, and techniques for analyzing nonparametric dataLearn advanced techniques based on the general linear model, including ANOVA, ANCOVA, multiple linear regression, and logistic regressionUse and interpret statistics for business and quality improvement, medical and public health, and education and psychologyCommunicate with statistics and critique statistical information presented by others

If you build your Scala application through Test-Driven Development, youll quickly see the advantages of testing before you write production code. This hands-on book shows you how to create tests with ScalaTest and the Specs2two of the best testing frameworks availableand how to run your tests in the Simple Build Tool (SBT) designed specifically for Scala projects.By building a sample digital jukebox application, youll discover how to isolate your tests from large subsystems and networks with mocking code, and how to use the ScalaCheck library for automated specification-based testing. If youre familiar with Scala, Ruby, or Python, this book is for you.Get an overview of Test-Driven DevelopmentStart a simple project with SBT and create tests before you write codeDive into SBTs basic commands, interactive mode, packaging, and historyUse ScalaTest both in the command line and with SBT, and learn how to incorporate JUnit and TestNGWork with the Specs2 framework, including Specification styles, matchers DSLs, and Data TablesUnderstand mocking by using Java frameworks EasyMock and Mockito, and the Scala-only framework ScalaMockAutomate testing by using ScalaCheck to generate fake data

Would you like to integrate Google+ with an existing website, or build your own social application on the platform? Developing with Google+ takes you on a tour of the Google+ APIs, with lots of concrete examples and hands-on projects. Youll learn how to take advantage of Google+ social plug-ins, communicate programmatically with Google+ over REST APIs, and author real-time Hangout Apps.Over the course of this book, youll follow the progress of a fictional company, Baking Disasters, as it incorporates all the features of the Google+ platform.Make the most of social widgets such as the +1 button, Badge, and the Share buttonUse performance tuning techniques to speed up social plugins on your siteCreate your own plugins by accessing public data APIs with RESTful web servicesTransform an blog into a social web application through server-side processingUse OAuth to authenticate users and authorize your access to their private dataExtend Google+ Hangouts programmatically and create your own application

Why choose Erlang for web applications? Discover the answer hands-on by building a simple web service with this book. If youre an experienced web developer who knows basic Erlang, youll learn how to work with REST, dynamic content, web sockets, and concurrency through several examples. In the process, youll see first-hand that Erlang is ideal for building business-critical services.Erlang was designed for fault-tolerant, non-stop telecom systems, and building applications with it requires a large set of skills. By the end of the book, youll have the information you need to build a basic web service and get it running.Explore the power of Erlang and REST for building web servicesServe static and dynamic content with the Yaws web serverUse different methods for outputting data to user, such as encoding Erlang data structures into JSON or XMLBuild an application to listen for HTTP requests, process them, store data, and return useful dataGo beyond the request-response modelpush data to clients with web socketsUse Erlang and Yaws to stream data from the server to a client"e;A book which is truly needed and will help get Erlang to the next level."e;Francesco Cesarini, CEO of Erlang Solutions, author of Erlang Programming.

Create your own natural language training corpus for machine learning. Whether youre working with English, Chinese, or any other natural language, this hands-on book guides you through a proven annotation development cyclethe process of adding metadata to your training corpus to help ML algorithms work more efficiently. You dont need any programming or linguistics experience to get started.Using detailed examples at every step, youll learn how the MATTER Annotation Development Process helps you Model, Annotate, Train, Test, Evaluate, and Revise your training corpus. You also get a complete walkthrough of a real-world annotation project.Define a clear annotation goal before collecting your dataset (corpus)Learn tools for analyzing the linguistic content of your corpusBuild a model and specification for your annotation projectExamine the different annotation formats, from basic XML to the Linguistic Annotation FrameworkCreate a gold standard corpus that can be used to train and test ML algorithmsSelect the ML algorithms that will process your annotated dataEvaluate the test results and revise your annotation taskLearn how to use lightweight software for annotating texts and adjudicating the annotationsThis book is a perfect companion to OReillys Natural Language Processing with Python.

The New Kingmakers documents the rise of the developer class, and provides strategies for companies to adapt to the new technology landscape. From recruiting to retention, it provides a playbook to work more efficiently and effectively with the most important members of your organization.

To help you navigate the large number of new data tools available, this guide describes 60 of the most recent innovations, from NoSQL databases and MapReduce approaches to machine learning and visualization tools. Descriptions are based on first-hand experience with these tools in a production environment.This handy glossary also includes a chapter of key terms that help define many of these tool categories:NoSQL DatabasesDocument-oriented databases using a key/value interface rather than SQLMapReduceTools that support distributed computing on large datasetsStorageTechnologies for storing data in a distributed wayServersWays to rent computing power on remote machinesProcessingTools for extracting valuable information from large datasetsNatural Language ProcessingMethods for extracting information from human-created textMachine LearningTools that automatically perform data analyses, based on results of a one-off analysisVisualizationApplications that present meaningful data graphicallyAcquisitionTechniques for cleaning up messy public data sourcesSerializationMethods to convert data structure or object state into a storable format

Galaxy Tab lets you work, play, read, and connect on the go, but mastering its TouchWiz interface and finding the best apps can be trickyunless you have this Missing Manual. Gadget whiz Preston Gralla provides crystal-clear explanations and step-by-step instructions to get you up to speed quickly, whether you have the 3G/4G or Wi-Fi version of this amazing device.The important stuff you need to know:Design your experience. Add interactive widgets and mini-apps to your screen with TouchWiz.Satisfy your appetite. Download thousands of games and apps from the Android Market.Keep in touch. Chat, videochat, check email, and browse the Web.Find your way. View maps, use the GPS, and navigate turn-by-turn.Manage your media. Shoot and view photos and videos; organize and play your music.Stay informed. Read books, newspapers, and magazines.Be productive. Use Google Docs to store and share documents.

Build beautiful interactive maps on your Drupal website, and tell engaging visual stories with your data. This concise guide shows you how to create custom geographical maps from top to bottom, using Drupal 7 tools and out-of-the-box modules. Youll learn how mapping works in Drupal, with examples on how to use intuitive interfaces to map local events, businesses, groups, and other custom data.Although building maps with Drupal can be tricky, this book helps you navigate the systems complexities for creating sophisticated maps that match your site design. Get the knowledge and tools you need to build useful maps with Drupal today.Get up to speed on map projections, the ethics of making maps, and the challenges of building them onlineLearn how spatial data is stored, input by users, manipulated, and queriedUse the OpenLayers or GMap modules to display maps with lists, tables, and data feedsCreate rich, custom interactions by applying geolocationCustomize your maps look and feel with personalized markers, map tiles, and map popupsBuild modules that add imaginative and engaging interactions

Ready to put your ActionScript 3 skills to work on iPhone and iPad apps? This hands-on book walks you through the process of creating an Adobe AIR application for iOS devices from start to finish, using the Flex 4.5 framework. Move quickly from a basic Hello World application to complex interactions with iOS APIs, and get complete code examples for working with device componentsincluding the accelerometer, GPS, camera, gallery, and multitouch display. This is an ideal resource for Flex developers of all levels.Use Flash Builder 4.5 to create and debug a Flex Mobile projectChoose a layout option to determine which files Flash Builder autogeneratesExplore APIs that enable your app to interact with the camera, accelerometer, and GPSRead and write text files, and create and write to an SQLite databaseInteract with the browser, place calls, and create emails and text messagesLoad content into your app with StageWebViewDesign for iOS with specific UI elements while maintaining one code version for all mobile devicesPublish your app to an Apple iOS installer file with Flash Builder

Automating repetitive programming tasks is easier than many Flash/AS3 developers think. With the Ant build tool, the Eclipse IDE, and this concise guide, you can set up your own "e;ultimate development machine"e; to code, compile, debug, and deploy projects faster. Youll also get started with versioning systems, such as Subversion and Git.Create a consistent workflow for multiple machines, or even complete departments, with the help of extensive Ant code samples. If you want to work smarter and take your skills to a new level, this book will get you on the road to automationwith Ant.Set up your Eclipse work environment with Eclipse plugins, including the FDT code editor and the Mylyn task managerEnable several developers to work on the same project simultaneously with a versioning systemWalk through the basics of Ant, and use sample code to create your first scriptCompile and debug your Ant build with FDT or the Flex SDKApply Ant to mobile development for both the Android Platform and iOS, using the Android SDK and Adobe Air

Take Razor for a test drive and discover first hand how this scripting syntax simplifies the way you create dynamic, data-driven websites. With this concise guide, youll work with Razor syntax by building example websites with Microsoft WebMatrix and ASP.NET MVC. You'll quickly learn how Razor lets you combine code and content in a fluid and expressive manner on Windows-based servers.Programming Razor also explores components of the Razor API, and shows you how Razor templates are turned into rendered HTML. By the end of this book, you'll be able to create Razor-based websites with custom extensions that meet the specific needs of your projects.Use Razor with Microsoft WebMatrix to build a working blog, complete with dataOrganize and manage your web application, using Razor features for layouts, sections, and partial viewsCreate clean and effective ASP.NET MVC views with the Razor View EngineLearn how the Razor API interprets Razor templates and turns them into executable .NET codeImplement advanced techniques for exposing reusable code and sharing ASP.NET MVC views across projects

Dreamweaver CC is a powerful tool for designing all kinds of websites, from those with simple, static pages to interactive, media-driven sites for desktop, laptop, and mobile devices. But the program still doesnt include a printed guide to its amazing capabilities. Thats where this Missing Manual comes in. With hands-on tutorials and coverage of every feature, youll learn to build, deploy, and manage sites whether youre an experienced designer or just getting started.The important stuff you need to know:Dive into page design. Quickly learn the basics of working with text, images, links, and tables.Edit pages in Live view. Dynamically add elements to live pages and immediately see the results.Design once, and for all. Build fluid-grid sites that adapt themselves to desktop, tablet, and mobile devices.Troubleshoot your HTML. Use the new Element Quick View to reveal the hierarchy of page elements.Style with ease. Tap Dreamweavers enhanced CSS Designer to copy and paste styles.Enhance Dreamweaver. Get new program features with add-ons that integrate directly with Dreamweaver.Bring your pages to life. Use jQuery UI to add interactive page elements like tabbed content panels.Create universal pages. Avoid browser incompatibility with workarounds.

Put your ActionScript 3 skills to work building mobile apps. This book shows you how to develop native applications for Android-based smartphones and tablets from the ground up, using Adobe AIR. You learn the entire development process hands-on, from coding specific functions to options for getting your app published.Start by building a sample app with step-by-step instructions, using either Flash Professional or Flash Builder. Then learn how to use ActionScript libraries for typical device features, such as the camera and the accelerometer. This book includes ready-to-run example code and a case study that demonstrates how to bring all of the elements together into a full-scale working app.Create functionality and content that works on multiple Android devicesChoose from several data storage optionsCreate view and navigation components, including a back buttonGet tips for designing user experience with touch and gesturesBuild a location-aware app, or one that makes use of motionExplore ways to use audio, video, and photos in your applicationLearn best practices for asset management and development

If you plan to use Amazon Web Services to run applications in the cloud, the end-to-end approach in this book will save you needless trial and error. You'll find practical guidelines for designing and building applications with Amazon Elastic Compute Cloud (EC2) and a host of supporting AWS tools, with a focus on critical issues such as load balancing, monitoring, and automation.How do you move an existing application to AWS, or design your application so that it scales effectively? How much storage will you require? Programming Amazon EC2 not only helps you get started, it will also keep you going once you're successfully positioned in the cloud. This book is a must-read for application architects, developers, and administrators.Determine your application's lifecycle and identify the AWS tools you needLearn how to build and run your application as part of the development processMigrate simple web applications to the cloud with EC2, Amazon Simple Storage Service, and CloudFront content deliveryMeet traffic demand with EC2's Auto Scaling and Elastic Load BalancingDecouple your application using Simple Queue Service, Simple Notification Service, and other toolsUse the right tools to minimize downtime, improve uptime, and manage your decoupled system"e;Jurg and Flavia have done a great job in this book building a practical guide on how to build real systems using AWS."e;--Werner Vogels, VP & CTO at Amazon.com

This is the first of three volumes from the archives of "The Perl Journal", it contains 71 articles providing a comprehensive tour of how experts implement computer science concepts in the real world, with code walkthroughs, case studies, and explanations of difficult techniques.

Kerbal Space Program (KSP) is a critically acclaimed, bestselling space flight simulator game. It's making waves everywhere from mainstream media to the actual space flight industry, but it has a bit of a learning curve. In this book, five KSP nerds-including an astrophysicist-teach you everything you need to know.

Ideal for software engineers new to privacy, this book helps you examine privacy-protective information management architectures and their foundational components-building blocks that you can combine in many ways.

The Photon is an open source, inexpensive, programmable, WiFi-enabled module for building connected projects and prototypes. Powered by an ARM Cortex-M3 microcontroller and a Broadcom WiFi chip, the Photon is just as happy plugged into a hobbyist's breadboard as it is into a product rolling off of an assembly line.

"e;As someone who uses jQuery on a regular basis, it was surprising to discover how much of the library Im not using. This book is indispensable for anyone who is serious about using jQuery for non-trivial applications."e;-- Raffaele Cecco, longtime developer of video games, including Cybernoid, Exolon, and StormlordjQuery is the "e;write less, do more"e; JavaScript library. Its powerful features and ease of use have made it the most popular client-side JavaScript framework for the Web. Ideal for JavaScript developers at all skill levels, this book is jQuery's trusty companion: the definitive "e;read less, learn more"e; guide to the library.jQuery Pocket Reference explains everything you need to know about jQuery, completely and comprehensively. You'll learn how to:Select and manipulate document elementsAlter document structureHandle and trigger eventsCreate visual effects and animationsScript HTTP with Ajax utilitiesUse jQuery's selectors and selection methods, utilities, plugins and moreThe 25-page quick reference summarizes the library, listing all jQuery methods and functions, with signatures and descriptions.

MAKE Volume 25 is all about Arduino, the open-source microcontroller platform.The issue is full of hardware, software, build details, tips and projects.

Apple's video-editing program is better than ever, but it still doesnt have a printed guide to help you get started. That's where this gorgeous, full-color book comes in. You get clear explanations of iMovie's impressive new features, like instant rendering, storyboarding, and one-step special effects. Experts David Pogue and Aaron Miller also give you a complete course in film editing and DVD design.Edit video like the pros. Import raw footage, add transitions, and use iMovies newly restored, intuitive timeline editor.Create stunning trailers. Design Hollywood-style "e;Coming Attractions!"e; previews for your movies.Share your film. Distribute your movie in a variety of placeson smartphones, Apple TV, your own site, and with one-click exports to YouTube, Facebook, Vimeo, CNN iReport, and MobileMe.Make DVDs. Design the menus, titles, and layout for your DVDs, and burn them to disc.This book covers version 9 of Apple's iMovie software.