Ruby by Example: Concepts and Code

By Kevin C. Baird

There will be no higher option to how one can software than by means of dissecting actual, consultant examples written on your language of selection. Ruby through Example analyzes a chain of Ruby scripts, analyzing how the code works, explaining the innovations it illustrates, and displaying tips on how to alter it to fit your wishes. Baird's examples show key good points of the language (such as inheritance, encapsulation, higher-order services, and recursion), whereas at the same time fixing tricky difficulties (such as validating XML, making a bilingual application, and developing command-line interfaces). each one bankruptcy builds upon the former, and every key suggestion is highlighted within the margin to make it more straightforward so that you can navigate the book.

You'll learn the way to:

  • Use the interactive Ruby shell (irb) to benefit key positive aspects of the language
  • Extend Ruby utilizing RubyGems, the Ruby package deal manager
  • Create numerical utilities, in addition to utilities that approach and examine HTML/XML
  • Implement in basic terms useful and metaprogramming innovations to save lots of time and effort
  • Optimize, profile, and try out your code to ensure that it not just does its task, yet does it well
  • Create internet functions utilizing Rails

Ruby is the quickest transforming into programming language this day, and for strong cause: Its based syntax and readable code make for prolific and satisfied programmers. however it will be obscure and enforce with out a little support. Ruby through instance indicates you the way to exploit Ruby as you discover Ruby's primary techniques in action.

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About Face: The Essentials of Interaction Design

By Alan Cooper, Robert Reimann, Christopher Noessel

The crucial interplay layout advisor, totally revised and up to date for the cellular age

About Face: The necessities of interplay layout, Fourth Edition is the most recent replace to the e-book that formed and advanced the panorama of interplay layout. This finished consultant takes the global shift to smartphones and pills into consideration.  New info comprises discussions on cellular apps, contact interfaces, monitor dimension issues, and more. The new full-color inside and exact structure larger illustrate glossy layout concepts. 

The interplay layout career is blooming with the good fortune of design-intensive businesses, priming clients to count on "design" as a severe factor of market luck. shoppers have little tolerance for web content, apps, and units that do not dwell as much as their expectancies, and the responding shift in enterprise philosophy has develop into widespread. About Face is the publication that introduced interplay layout out of the examine labs and into the typical lexicon, and the updated Fourth Edition continues to steer the best way with rules and strategies suitable to today's design practitioners and developers.

Updated info includes:

  • Contemporary interface, interplay, and product layout methods
  • Design for cellular systems and customer electronics
  • State-of-the-art interface suggestions and updated examples
  • Updated Goal-Directed layout methodology

Designers and builders seeking to stay suitable during the present shift in client expertise behavior will find About Face to be a entire, crucial resource.

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RabbitMQ Essentials

By David Dossot

Hop instantly into constructing your individual messaging functions by way of studying the right way to make the most of RabbitMQ

About This Book

  • Refresh your wisdom of the fundamentals of message-orientated structure and witness how strong RabbitMQ should be while development your messaging applications
  • Discover the options at the back of expanding the scalability and fault tolerance of your applications
  • Gain a deep and useful figuring out of RabbitMQ in the course of the trip of shrewdpermanent Coney Media, a fictitious corporation with real-world problems

Who This booklet Is For

Whether you're anyone who develops company messaging items professionally or a hobbyist who's already acquainted with open resource Message Queuing software program and also you are searhing for a brand new problem, then this is often the publication for you. even though try to be acquainted with Java, Ruby, and Python to get the main out of the examples, this ebook provide you with the frenzy you must start, which no different RabbitMQ instructional delivers you with.

What you are going to Learn

  • Familiarize your self with the fundamentals of RabbitMQ to begin construction your personal messaging applications
  • Get to grasp how smart Coney Media applied RabbitMQ to enhance the improvement of applications
  • Publish, obtain, and reject messages
  • Route messages by utilizing direct, subject, fanout, and header exchanges
  • Create your individual software inbox and public handle method utilizing Java and Ruby
  • Analyze the site visitors of your functions utilizing a Python client
  • Solve any emergencies utilizing an eviction procedure, shrewdpermanent message routing, clustering, and federation
  • Monitor the future health of your program through studying tips on how to song it

In Detail

RabbitMQ is principally different kinds of message queuing software program due to its loosely coupled structure and its skill to bind a number of languages, making sleek internet purposes safe, scalable, and straightforward to maintain.

Armed with this supportive consultant, you presently give you the chance to get caught into constructing your personal message-based functions instantly with RabbitMQ. utilizing the fictional shrewdpermanent Coney Media as a case learn, you'll keep on with their trip of constructing with RabbitMQ, from imposing easy, synchronous get operations to utilizing complicated message routing and monitoring the messaging program. With RabbitMQ necessities, you are going to notice how utilizing message queuing software program can streamline the improvement of your personal disbursed and scalable applications.

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Xcode 4 Unleashed

In Xcode four Unleashed, popular Mac/iOS developer Fritz Anderson exhibits tips to use Apple’s strong new Xcode four built-in improvement atmosphere to enhance notable software program with the least attempt possible.

Anderson demonstrates Xcode four via jogging in the course of the building of 3 complete purposes: a command-line device, an iOS app, and a Mac OS X software. those case-study tasks provide functional insights and real looking top practices for successfully using Xcode four in day by day development.

Next, he drills right down to supply an excellent deeper figuring out of Xcode 4’s strongest features. via functional examples, he exhibits skilled Apple builders tips on how to stream to Xcode 4’s “browser” version from older document-based techniques. You’ll additionally locate thorough, up to the moment assurance of key initiatives starting from builds and profiling to documentation.

He concludes with a chapter-length roundup of “tips, traps, and lines” for maximizing your productiveness with Xcode 4—whether you’re writing iOS apps or Mac functions, operating solo, or as a part of a wide improvement team.

Detailed info on how to…

  • Get begun quickly with Xcode four undertaking workflow
  • Master Xcode 4’s new beneficial properties and improvement paradigms
  • Construct sleek iOS and Mac person interfaces with Interface Builder
  • Implement Model-View-Controller designs in iOS apps
  • Use Storyboard to specify an iOS app’s whole constitution in a single file
  • Leverage Xcode’s first class unit trying out and size tools
  • Master the necessities of iOS provisioning
  • Use Mac OS X bindings to simplify the hyperlink among facts and screen
  • Quickly localize Mac and iOS software program for brand spanking new languages and markets
  • Package and proportion subprograms that may be built-in into any OS X application
  • Use the Xcode construct procedure to maneuver from resource documents to executable products
  • Fully comprehend and optimize functionality and source usage

Register your replica this day at to obtain a loose 90+ page advisor to 4.4 & 4.5 characteristic changes

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Learning Robotics using Python

Design, simulate, application, and prototype an interactive independent cellular robotic from scratch with assistance from Python, ROS, and Open-CV!

About This Book

  • Design, simulate, construct and application an interactive self reliant cellular robot
  • Program robotic working method utilizing Python
  • Get a grip at the hands-on advisor to robotics for studying numerous robotics thoughts and construct a sophisticated robotic from scratch

Who This ebook Is For

If you're an engineer, a researcher, or a hobbyist, and also you have an interest in robotics and need to construct your individual robotic, this publication is for you. Readers are assumed to be new to robotics yet must have event with Python.

What you'll Learn

  • Understand the center ideas and terminologies of robotics
  • Create 2nd and 3D drawings of robots utilizing freeware corresponding to LibreCAD and Blender
  • Simulate your robotic utilizing ROS and Gazebo
  • Build robotic from the requirements
  • Explore a various diversity of actuators and its interfacing
  • Interface a variety of robot sensors to robots
  • Set up and application OpenCV, OpenNI, and PCL to procedure 2D/3D visible data
  • Learn speech processing and synthesis utilizing Python
  • Apply synthetic intelligence to robots utilizing Python
  • Build a robotic keep an eye on GUI utilizing Qt and Python
  • Calibration and checking out of robot

In Detail

Learning approximately robotics becomes an more and more crucial ability because it turns into a ubiquitous a part of lifestyles. even supposing robotics is a posh topic, a number of different instruments besides Python will help layout a undertaking to create an easy-to-use interface.

Learning Robotics utilizing Python is an important advisor for developing an independent cellular robotic utilizing well known robot software program frameworks resembling ROS utilizing Python. It additionally discusses a variety of robotic software program frameworks and the way to head approximately coding the robotic utilizing Python and its framework. It concludes with making a GUI-based software to manage the robotic utilizing buttons and slides.

By the top of this educational, you will have a transparent proposal of ways to combine and gather all issues right into a robotic and the way to package deal the software program package.

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Verilog for Digital Design

By Frank Vahid

* perfect as both a standalone introductory advisor or in tandem with Vahid's electronic layout to permit for higher language insurance, this can be an obtainable introductory advisor to description language

* Verilog is a description language used to version digital platforms (sometimes known as Verilog HDL) and this ebook is beneficial for someone who's beginning out and studying the language

* specializes in software and use of the language, instead of simply instructing the fundamentals of the language

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Clean Code: A Handbook of Agile Software Craftsmanship

By Robert C. Martin

Even undesirable code can functionality. but when code isn’t fresh, it might probably convey a improvement association to its knees. each year, numerous hours and critical assets are misplaced due to poorly written code. however it doesn’t must be that means. famous software program professional Robert C. Martin offers a progressive paradigm with fresh Code: A guide of Agile software program Craftsmanship . Martin has teamed up along with his colleagues from item Mentor to distill their top agile perform of cleansing code “on the fly” right into a booklet that might instill inside you the values of a software program craftsman and make you a greater programmer—but provided that you're employed at it. what sort of paintings will you be doing? You’ll be analyzing code—lots of code. and you'll be challenged to consider what’s correct approximately that code, and what’s improper with it. extra importantly, you can be challenged to think again your expert values and your dedication for your craft. fresh Code is split into 3 components. the 1st describes the rules, styles, and practices of writing fresh code. the second one half includes a number of case reports of accelerating complexity. each one case learn is an workout in cleansing up code—of remodeling a code base that has a few difficulties into one who is sound and effective. The 3rd half is the payoff: a unmarried bankruptcy containing a listing of heuristics and “smells” collected whereas growing the case reports. the result's an information base that describes the best way we predict once we write, learn, and fresh code. Readers will come clear of this e-book realizing the best way to inform the variation among strong and undesirable code how you can write stable code and the way to remodel undesirable code into reliable code how you can create stable names, reliable features, sturdy items, and solid periods the way to layout code for max clarity the right way to enforce whole errors dealing with with out obscuring code good judgment the best way to unit try out and perform test-driven improvement This ebook is a needs to for any developer, software program engineer, undertaking supervisor, group lead, or platforms analyst with an curiosity in generating higher code.

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AppleScript in a Nutshell (In a Nutshell (O'Reilly))

By Bruce W. Perry

AppleScript in a Nutshell is the 1st whole connection with AppleScript, the preferred programming language that provides either energy clients and complex company shoppers the real skill to automate repetitive projects and customise functions. because the Macintosh maintains to extend and solidify its base within the multimedia and publishing industries, AppleScript is the software of selection in this platform for growing refined time- and money-saving workflow purposes (applets). those applets automate the processing and administration of electronic video, imaging, print, and web-based fabric. AppleScript is additionally gaining a foothold in medical programming, as technical companies undertake G4 CPU-based platforms for complicated computing and clinical research. eventually, "power clients" and script rookies will locate that AppleScript is a brilliant daily Mac programming instrument, just like Perl on home windows NT or Unix.In this well-organized and concise reference, AppleScript programmers will find:

  • Detailed insurance of AppleScript model 1.4 and past on Mac OS nine and Mac OS X.
  • Complete descriptions of AppleScript language good points, equivalent to info varieties, flow-control statements, capabilities, object-oriented beneficial properties (script items and libraries), and different syntactical elements.
  • Descriptions and countless numbers of code samples on programming a number of the "scriptable" procedure parts, equivalent to the Finder, dossier Sharing, dossier trade, community scripting, net scripting, Apple procedure Profiler, the ColorSync application, and the various robust language extensions known as "osax" or scripting additions.Most different AppleScript books are hopelessly old-fashioned. AppleScript in a Nutshell covers the most recent updates and enhancements with sensible, effortless to appreciate guidance, including:
  • Using AppleScript as a device for disbursed computing, a thrilling improvement that Apple computing device calls "program linking over IP." Programmers can now do allotted computing with Macs over TCP/IP networks, together with controlling distant purposes with AppleScript and calling AppleScript equipment on code libraries which are situated on different machines.
  • Using the Sherlock locate program to automate net and community searching.
  • Insights on scripting new Apple applied sciences comparable to Apple info Detectors, Folder activities, Keychain entry, and Apple Verifier.AppleScript in a Nutshell is a high-end instruction manual at a low-end price--an crucial computer reference that places the entire energy of this simple programming language into each AppleScript user's hands.

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Corona SDK Application Design

If you might have targets to construct apps that paintings on either iOS and Android, then this advisor to Corona SDK may also help you recognize them quick and painlessly. From constructing to advertising - it is all here.


  • Build apps that may be used on a number of platforms
  • Test your apps and put up them on GooglePlay and Apple’s App store
  • Develop your individual apps with assistance from interactive examples

In Detail

Corona SDK is a software program improvement package, which permits programmers to construct cellular purposes on iOS and Android units. it really is utilized by builders to construct, either company and gaming apps at checklist speeds.

"Corona SDK software layout" will exhibit you the facility at the back of Corona SDK and the way to make top use of its gains to create your personal apps. discover ways to create apps utilizing your distinctive rules fast and easily.'

You will commence with a brief creation to Corona SDK and the Lua programming language. persist with examples for making a enterprise in addition to a gaming app that will help you make the most of Corona’s integrated beneficial properties successfully to boost professional-looking apps with very good performance. quickly you may be convinced sufficient to create your personal apps and put up them on renowned app shops. in the direction of the tip of the e-book the writer stocks a few of his personal attempted and validated advertising strategies that can assist you get your app obvious and downloaded by way of as many of us as possible.

What you'll examine from this book

  • Learn the fundamentals of Lua to begin constructing apps
  • Create a company program for an area business
  • Develop a enjoyable puzzle video game compatible for children and adults
  • Use Corona’s particular Storyboard feature
  • Make your online game to be had to the public


A step-by-step educational that specializes in every little thing from setup to deployment of easy apps.

Who this e-book is written for

Have you ever desired to create your individual app? Then this booklet is for you. you are going to the right way to create apps utilizing Corona SDK and the way to put up your app so others can get a glimpse of your construction. This publication is geared toward either Android and iOS app builders. The reader should have uncomplicated wisdom of app development.

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SQL Server 2012 with PowerShell V3 Cookbook

This flexible ebook is a smart paintings better half if you are a SQL Server database expert who desires to take advantage of the possibility of PowerShell. Dip into the recipes or deal with it like a coaching direction - the alternative is yours.

  • Provides over 100 useful recipes that make the most of PowerShell to automate, combine and simplify SQL Server tasks
  • Offers effortless to stick to, step by step advisor to getting the main out of SQL Server and PowerShell
  • Covers a number of directions, assistance, and reasons on how and while to exploit PowerShell cmdlets, WMI, SMO, .NET periods or different components
  • Builds a robust beginning that will get you cozy utilizing PowerShell with SQL Server--empowering you to create extra complicated scripts that you simply want on your day by day job

In Detail

PowerShell is Microsoft's new command-line shell and scripting language that can provide to simplify automation and integration throughout assorted Microsoft functions and elements. Database execs can leverage PowerShell by using its various integrated cmdlets, or utilizing any of the available .NET periods, to automate database initiatives, simplify integration, or simply realize new how you can accomplish the activity at hand.

"SQL Server 2012 with PowerShell V3 Cookbook" presents easy-to-follow, sensible examples for the busy database expert. no matter if you are auditing your servers, or exporting info, or deploying experiences, there's a recipe so that you can use correct away!

You initiate with uncomplicated subject matters to get you going with SQL Server and PowerShell scripts and development into extra complex issues that can assist you deal with and administer your SQL Server databases.

The first few chapters display find out how to paintings with SQL Server settings and items, together with exploring gadgets, growing databases, configuring server settings, and appearing inventories. The publication then deep dives into extra management themes like backup and repair, credentials, guidelines, jobs, snapshots, guides, and subscriptions.

Additional improvement and BI-specific subject matters also are explored, together with deploying and downloading assemblies, BLOB information, SSIS applications, and SSRS reports.

A brief PowerShell primer can also be supplied as a complement within the Appendix, which the database specialist can use as a refresher or occasional reference fabric. filled with greater than a hundred sensible, ready-to-use scripts, "SQL Server 2012 with PowerShell V3 Cookbook" should be your go-to reference in automating and handling SQL Server.

What you are going to examine from this book

  • Create a list of database homes and server configuration settings
  • Backup and repair databases
  • Execute queries to a number of servers
  • Maintain permissions and defense for users
  • Import and export XML into SQL Server
  • Extract CLR assemblies and BLOB gadgets from the database
  • Explore database items
  • Manage and set up SSIS programs and SSRS reports
  • Manage and computer screen working SQL Server providers and accounts
  • Parse and reveal the contents of hint files
  • Create SQL Server jobs, indicators and operators
  • Find blocking off methods which are hampering your database performance

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