o'reilly media apr 2013 (13 Ergebnisse)

Taschenbuch. Zustand: Neu. Neuware - Go under the hood of an operating Voice over IP network, and build your knowledge of the protocols and architectures used by this Internet telephony technology. With this concise guide, you'll learn about services involved in VoIP and get a first-hand view of network data packets from the time the phones boot through calls and subsequent connection teardown.With packet captures available on the companion website, this book is ideal whether you're an instructor, student, or professional looking to boost your skill set. Each chapter includes a set of review questions, as well as practical, hands-on lab exercises. Learn the requirements for deploying packetized voice and video Understand traditional telephony concepts, including local loop, tip and ring, and T carriers Explore the Session Initiation Protocol (SIP), VoIP's primary signaling protocol Learn the operations and fields for VoIP's standardized RTP and RTCP transport protocols Delve into voice and video codecs for converting analog data to digital format for transmission Get familiar with Communications Systems H.323, SIP's widely used predecessor Examine the Skinny Client Control Protocol used in Cisco VoIP phones in networks around the world.

Taschenbuch. Zustand: Neu. Neuware - With DOM Enlightenment, you'll learn how to manipulate HTML more efficiently by scripting the Document Object Model (DOM) without a DOM library. Using code examples in cookbook style, author Cody Lindley (jQuery Cookbook) walks you through modern DOM concepts to demonstrate how various node objects work.Over the past decade, developers have buried the DOM under frameworks that simplify its use. This book brings these tools back into focus, using concepts and code native to modern browsers. If you have JavaScript experience, you'll understand the role jQuery plays in DOM scripting, and learn how to use the DOM directly in applications for mobile devices and specific browsers that require low overhead. Understand JavaScript node objects and their relationship to the DOM Learn the properties and methods of document, element, text, and DocumentFragment objects Delve into element node selecting, geometry, and inline styles Add CSS style sheets to an HTML document and use CSSStyleRule objects Set up DOM events by using different code patterns Learn the author's vision for dom.js, a jQuery-inspired DOM Library for modern browsers.

Taschenbuch. Zustand: Neu. Neuware - Go beyond HTML5's Audio tag and boost the audio capabilities of your web application with the Web Audio API. Packed with lots of code examples, crisp descriptions, and useful illustrations, this concise guide shows you how to use this JavaScript API to make the sounds and music of your games and interactive applications come alive.You need little or no digital audio expertise to get started. Author Boris Smus introduces you to digital audio concepts, then shows you how the Web Audio API solves specific application audio problems. If you're an experienced JavaScript programmer, you'll not only learn how to synthesize and process digital audio, you'll also explore audio analysis and visualization with this API. Learn Web Audio API, including audio graphs and the audio nodes Provide quick feedback to user actions by scheduling sounds with the API's precise timing model Control gain, volume, and loudness, and dive into clipping and crossfading Understand pitch and frequency: use tools to manipulate soundforms directly with JavaScript Generate synthetic sound effects and learn how to spatialize sound in 3D space Use Web Audio API with the Audio tag, getUserMedia, and the Page Visibility API.

Taschenbuch. Zustand: Neu. Neuware - Build your own distributed sensor network to collect, analyze, and visualize real-time data about our human environment - including noise level, temperature, and people flow. With this hands-on book, you'll learn how to turn your project idea into working hardware, using the easy-to-learn Arduino microcontroller and off-the-shelf sensors.Authors Alasdair Allan and Kipp Bradford walk you through the entire process, from prototyping a simple sensor node to performing real-time analysis on data captured by a deployed multi-sensor network. Demonstrated at recent O'Reilly Strata Conferences, the future of distributed data is already here. If you have programming experience, you can get started immediately. Wire up a circuit on a breadboard, and use the Arduino to read values from a sensor Add a microphone and infrared motion detector to your circuit Move from breadboard to prototype with Fritzing, a program that converts your circuit design into a graphical representation Simplify your design: learn use cases and limitations for using Arduino pins for power and grounding Build wireless networks with XBee radios and request data from multiple sensor platforms Visualize data from your sensor network with Processing or LabVIEW.

Taschenbuch. Zustand: Neu. Neuware - Build native apps for iOS, Android, and Blackberry from a single JavaScript codebase with Appcelerator Titanium. This guide gets you quickly up to speed on this amazing framework and shows you how to generate cross-platform apps with 100% native controls. You'll also learn the advantages of using Titanium when you want to create an app for just one native platform, rather than struggle with Java or Objective-C.Fast-paced and full of examples, this book helps you build your first project with Titanium Studio, and then takes you through the steps necessary to build complex data-bound apps. Learn how Titanium differs from frameworks such as jQuery Mobile and Sencha Touch Set up and use iOS and Android SDKs and compilers with Titanium Build basic UI and window controls, and create your own composite objects Take a peek at how Titanium objects and methods work behind the scenes Learn how JavaScript makes Titanium easy to extend and customize Develop apps that consume complex data, whether it's stored locally or on remote servers Understand the pros and cons of distributing apps on the App Store and Android Market.

Taschenbuch. Zustand: Neu. Neuware - Want to simplify web development This hands-on book shows you how to write frontend and backend code simultaneously, using the Opa framework. Opa provides a complete stack for web application development, including a web server, database engine, distribution libraries, and a programming language that compiles to JavaScript.You'll learn step-by-step how to use Opa by building two projects through the course of the book: a wiki application similar to Wikipedia, and a Twitter-like micro-blogging platform. Discover how easy it is to use Opa to develop applications with real-time updates, database interactions, and web service design. Do you have JavaScript experience You're ready to get started. Learn fundamental concepts, including Opa's functional programming style Discover how Opa compiles to JavaScript, using jQuery on the frontend and Node.js on the server Construct HTML resources dynamically and embed static resources on an Opa server Use Opa's method for performing CRUD operations and storing key-value pairs in MongoDB Build an Opa user interface with the Bootstrap toolkit from Twitter Learn variant types, pattern-matching, polymorphic types, recursive functions, and other advanced features Manage user accounts by building login forms, handling account activation, and tracking logged users Build a reactive UI - a real-time interface that continuously updates user events.

Taschenbuch. Zustand: Neu. Neuware.

Taschenbuch. Zustand: Neu. Neuware - Want to take real control of your Mac The hacks in this book help you dig below the surface to tweak system preferences, mount drives and devices, and generally do things with your system that Apple doesn't expect you to do. With a little effort, you can make your Mac and its applications perform exactly the way you want them to.There are more than 50 hacks in this book that show you how to fine-tune the interface, work with multimedia, set up your network, boost security, and perform a few tricks with Unix. Go beyond Preferences: change the way OS X Mountain Lion behaves Customize your experience by taming browsers and making apps full screen Get information delivered right to your desktop, and automate mundane tasks Use the command line and install various Unix apps to unlock your Mac's Unix power Increase security, monitor network traffic, and remain anonymous Play Wii games and host a Minecraft server on your Mac Modify your WiFi, move iTunes, and record TV shows Turn your MacBook into a tablet and give it a custom dye job.

Taschenbuch. Zustand: Neu. Neuware - Whether you're building a social media site or an internal-use enterprise application, this hands-on guide shows you the connection between MongoDB and the business problems it's designed to solve. You'll learn how to apply MongoDB design patterns to several challenging domains, such as ecommerce, content management, and online gaming. Using Python and JavaScript code examples, you'll discover how MongoDB lets you scale your data model while simplifying the development process.Many businesses launch NoSQL databases without understanding the techniques for using their features most effectively. This book demonstrates the benefits of document embedding, polymorphic schemas, and other MongoDB patterns for tackling specific big data use cases, including: Operational intelligence: Perform real-time analytics of business data Ecommerce: Use MongoDB as a product catalog master or inventory management system Content management: Learn methods for storing content nodes, binary assets, and discussions Online advertising networks: Apply techniques for frequency capping ad impressions, and keyword targeting and bidding Social networking: Learn how to store a complex social graph, modeled after Google+ Online gaming: Provide concurrent access to character and world data for a multiplayer role-playing game.

Taschenbuch. Zustand: Neu. Neuware - Get started with Twisted, the event-driven networking framework written in Python. With this introductory guide, you'll learn the key concepts and design patterns to build event-driven client and server applications for many popular networking protocols. You'll also learn the tools to build new protocols using Twisted's primitives.Start by building basic TCP clients and servers, and then focus on deploying production-grade applications with the Twisted Application infrastructure. Along the way, you can play with and extend examples of common tasks you'll face when building network applications. If you're familiar with Python, you're ready for Twisted. Learn the core components of Twisted servers and clients Write asynchronous code with the Deferred API Construct HTTP servers with Twisted's high-level web APIs Use the Agent API to develop flexible web clients Configure and deploy Twisted services in a robust and standardized fashion Access databases using Twisted's nonblocking interface Add common server components: logging, authentication, threads and processes, and testing Explore ways to build clients and servers for IRC, popular mail protocols, and SSH.

Taschenbuch. Zustand: Neu. Neuware - Build server-side applications more efficiently - and improve your PHP programming skills in the process - by learning how to use design patterns in your code. This book shows you how to apply several object-oriented patterns through simple examples, and demonstrates many of them in full-fledged working applications.Learn how these reusable patterns help you solve complex problems, organize object-oriented code, and revise a big project by only changing small parts. With Learning PHP Design Patterns, you'll learn how to adopt a more sophisticated programming style and dramatically reduce development time. Learn design pattern concepts, including how to select patterns to handle specific problems Get an overview of object-oriented programming concepts such as composition, encapsulation, polymorphism, and inheritance Apply creational design patterns to create pages dynamically, using a factory method instead of direct instantiation Make changes to existing objects or structure without having to change the original code, using structural design patterns Use behavioral patterns to help objects work together to perform tasks Interact with MySQL, using behavioral patterns such as Proxy and Chain of Responsibility Explore ways to use PHP's built-in design pattern interfaces.

Taschenbuch. Zustand: Neu. Neuware - With Windows 8, Microsoft completely reimagined the graphical user interface for its operating system, and designed it to run on tablets as well as PCs. It's a big change that calls for a trustworthy guide - Windows 8: The Missing Manual. New York Times columnist David Pogue provides technical insight, lots of wit, and hardnosed objectivity to help you hit the ground running with Microsoft's new OS.This jargon-free book explains Windows 8 features so clearly - revealing which work well and which don't - that it should have been in the box in the first place.

Taschenbuch. Zustand: Neu. Neuware - Dive into MQ (aka ZeroMQ), the smart socket library that gives you fast, easy, message-based concurrency for your applications. With this quick-paced guide, you'll learn hands-on how to use this scalable, lightweight, and highly flexible networking tool for exchanging messages among clusters, the cloud, and other multi-system environments.MQ maintainer Pieter Hintjens takes you on a tour of real-world applications, using extended examples in C to help you work with MQ's API, sockets, and patterns. Learn how to use specific MQ programming techniques, build multithreaded applications, and create your own messaging architectures. You'll discover how MQ works with several programming languages and most operating systems - with little or no cost. Learn MQ's main patterns: request-reply, publish-subscribe, and pipeline Work with MQ sockets and patterns by building several small applications Explore advanced uses of MQ's request-reply pattern through working examples Build reliable request-reply patterns that keep working when code or hardware fails Extend MQ's core pub-sub patterns for performance, reliability, state distribution, and monitoring Learn techniques for building a distributed architecture with MQ Discover what's required to build a general-purpose framework for distributed applications.