Rails Recipes: Rails 3 Edition

By Chad Fowler

Thousands of builders have used the 1st version of Rails Recipes to unravel difficulties recognized to forestall even skilled programmers of their tracks. Now, 5 years later with Rails 3.1 published, it is time for a brand new variation of this proven selection of recommendations, thoroughly revised through Rails grasp Chad Fowler.

Written for amateur to intermediate Rails builders, Rails Recipes: Rails three Edition is jam-packed with strategies to 70 of the main vexing difficulties you are prone to face at the activity. From construction customized varieties and powering pages with JQuery to integrating with legacy databases, it is all the following. each one recipe has been up-to-date to mirror the most recent positive factors of Rails 3.1 and every lays out a particular method to an issue you'll be dealing with this present day or may perhaps good come upon the next day to come. furthermore, you can find part the booklet is stocked with new eye-opening ideas to such universal difficulties as the right way to expand Rails, try and installation your websites, or upload an online carrier in your activities. and every recipe not just lays out a succinct answer, yet explains its purpose and the applied sciences that make it work.

Loaded with the insights of a Rails group chief, contributors of the Rails center workforce and different specialists, this can be the ebook you have to have at your aspect as you craft your subsequent project.

What You Need:

Ruby 1.8.7 or above

Rails 3.1 or above

Show description

» Read more

Linux Bible

By Christopher Negus

The favourite Linux advisor, up to date for pink Hat company Linux 7 and the cloud

Linux Bible, ninth Edition is the last word hands-on Linux consumer consultant, no matter if you are a real newbie or a extra complicated consumer navigating fresh adjustments. This up-to-date 9th variation covers the newest types of purple Hat firm Linux 7 (RHEL 7), Fedora 21, and Ubuntu 14.04 LTS, and comprises new details on cloud computing and improvement with counsel on Openstack and Cloudforms. With a spotlight on RHEL 7, this functional consultant will get you up to the mark fast at the new improvements for enterprise-quality dossier structures, the hot boot approach and providers administration, firewalld, and the GNOME three laptop. Written by way of a crimson Hat specialist, this ebook offers the transparent reasons and step by step directions that demystify Linux and produce the hot positive aspects seamlessly into your workflow.

This priceless consultant assumes a base of very little Linux wisdom, and takes you step-by-step via what you must comprehend to get the task done.

  • Get Linux up and working quickly
  • Master easy operations and take on extra complicated tasks
  • Get modern at the contemporary alterations to Linux server process management
  • Bring Linux to the cloud utilizing Openstack and Cloudforms

Linux Bible, ninth Edition is the single source you wish, and offers the hands-on education that will get you on the right track in a flash.

Show description

» Read more

Machine Learning for Hackers

By Drew Conway

If you’re an skilled programmer attracted to crunching info, this ebook gets you begun with laptop learning—a toolkit of algorithms that permits desktops to coach themselves to automate beneficial projects. Authors Drew Conway and John Myles White assist you comprehend laptop studying and records instruments via a chain of hands-on case stories, rather than a standard math-heavy presentation.

Each bankruptcy makes a speciality of a particular challenge in computer studying, equivalent to type, prediction, optimization, and suggestion. utilizing the R programming language, you’ll how to study pattern datasets and write basic laptop studying algorithms. Machine studying for Hackers is perfect for programmers from any historical past, together with company, executive, and educational research.

  • Develop a naïve Bayesian classifier to figure out if an electronic mail is junk mail, dependent purely on its text
  • Use linear regression to foretell the variety of web page perspectives for the pinnacle 1,000 websites
  • Learn optimization innovations by way of trying to holiday an easy letter cipher
  • Compare and distinction U.S. Senators statistically, according to their vote casting records
  • Build a “whom to persist with” advice process from Twitter data

Show description

» Read more

Game Programming Using Qt: Beginner's Guide

A entire consultant to designing and development enjoyable video games with Qt and Qt fast 2 utilizing linked toolsets

About This Book

  • Learn to create easy second to complicated 3D photographs and video games utilizing all attainable instruments and widgets on hand for online game improvement in Qt
  • Understand applied sciences equivalent to QML, Qt speedy, OpenGL, and Qt writer, and research the easiest practices to take advantage of them to layout games
  • Learn Qt with assistance from many pattern video games brought step by step in each one chapter

Who This ebook Is For

If you need to create nice graphical person interfaces and surprising video games with Qt, this e-book is perfect for you. Any prior wisdom of Qt isn't required, despite the fact that wisdom of C++ is mandatory.

What you'll Learn

  • Install Qt in your system
  • Understand the elemental innovations of each Qt online game and application
  • Develop second object-oriented photos utilizing Qt photographs View
  • Build multiplayer video games or upload a talk functionality on your video games with Qt's community module
  • Script your online game with Qt Script
  • Program resolution-independent and fluid UI utilizing QML and Qt Quick
  • Control your online game circulate as in step with the sensors of a cellular device
  • See the way to try and debug your video game simply with Qt author and Qt Test

In Detail

Qt is the major cross-platform toolkit for all major machine, cellular, and embedded systems and is rising in popularity via the day, specially on cellular and embedded units. regardless of its simplicity, it is a robust device that completely suits video game builders' wishes. utilizing Qt and Qt speedy, one can construct enjoyable video games or glossy consumer interfaces. you simply have to create your video game as soon as and install it on all significant structures like iOS, Android, and WinRT with out altering a unmarried resource file.

The ebook starts with a short advent to making an software and getting ready a operating atmosphere for either computing device and cellular systems. It then dives deeper into the fundamentals of making graphical interfaces and Qt middle suggestions of information processing and show earlier than you are trying making a online game. As you move throughout the chapters, you will learn how to increase your video games via imposing community connectivity and utilising scripting. We then delve into Qt fast, OpenGL, and diverse different instruments so as to add online game good judgment, layout animation, upload video game physics, and construct awesome UI for the video games. in the direction of the ultimate chapters, you will learn how to take advantage of cellular equipment gains equivalent to accelerators and sensors to construct enticing consumer reports. when you are making plans to benefit approximately Qt and its linked toolsets to construct apps and video games, this ebook is a needs to have.

Style and approach

This is an easy-to-follow, example-based, entire advent to the entire significant beneficial properties in Qt. The content material of every bankruptcy is defined and arranged round one or a number of uncomplicated online game examples to profit Qt in a enjoyable way.

Show description

» Read more

Learning to Love Data Science

Until lately, many of us proposal mammoth info used to be a passing fad. "Data technological know-how" was once an enigmatic time period. this present day, colossal info is taken heavily, and knowledge technology is taken into account downright horny. With this anthology of stories from award-winning journalist Mike Barlow, you’ll get pleasure from how information technology is essentially changing our global, for larger and for worse.

Barlow paints an image of the rising facts area in vast strokes. From new ideas and instruments to using info for social solid, you’ll learn how a long way info technology reaches.

With this anthology, you’ll research how:

  • Analysts can now get effects from their info queries in close to genuine time
  • Indie brands are blurring the traces among and software
  • Companies attempt to stability their hope for speedy innovation with the necessity to tighten information security
  • Advanced analytics and inexpensive sensors are remodeling apparatus upkeep from a price heart to a revenue center
  • CIOs have progressively developed from order takers to enterprise innovators
  • New analytics instruments enable companies transcend facts research and immediately to decision-making

Mike Barlow is an award-winning journalist, writer, and communications approach advisor. for the reason that launching his personal company, Cumulus companions, he has represented significant organisations in a couple of industries.

Show description

» Read more

Ant Colony Optimization and Constraint Programming

By Christine Solnon

Ant colony optimization is a metaheuristic which has been effectively utilized to a variety of combinatorial optimization difficulties. the writer describes this metaheuristic and reports its potency for fixing a few not easy combinatorial difficulties, with a particular specialise in constraint programming. The textual content is geared up into 3 elements.

The first half introduces constraint programming, which supplies excessive point positive factors to declaratively version difficulties by way of constraints. It describes the most latest techniques for fixing constraint pride difficulties, together with whole tree seek methods and metaheuristics, and exhibits how they are often built-in inside constraint programming languages.

The moment half describes the ant colony optimization metaheuristic and illustrates its services on diverse constraint delight problems.
The 3rd half indicates how the ant colony might be built-in inside of a constraint programming language, hence combining the expressive energy of constraint programming languages, to explain difficulties in a declarative method, and the fixing strength of ant colony optimization to successfully remedy those problems.

Show description

» Read more

Automated Data Collection with R: A Practical Guide to Web Scraping and Text Mining

By Simon Munzert, Christian Rubba, Dominic Nyhuis, Peter Meiner

A fingers on advisor to internet scraping and textual content mining for either newcomers and skilled clients of R Introduces basic thoughts of the most structure of the internet and databases and covers HTTP, HTML, XML, JSON, SQL.

Provides easy recommendations to question net records and information units (XPath and standard expressions). an intensive set of workouts are provided to steer the reader via every one strategy.

Explores either supervised and unsupervised recommendations in addition to complicated ideas comparable to facts scraping and textual content administration. Case experiences are featured all through in addition to examples for every strategy provided. R code and recommendations to routines featured within the booklet are supplied on a aiding web site.

Show description

» Read more

Real-Time Rendering, Third Edition

By Eric Haines

Completely revised, this 3rd version makes a speciality of glossy concepts used to generate artificial three-d pictures in a fragment of a moment. With the arrival of programmable shaders, a large choice of latest algorithms have arisen and developed over the last few years. This version discusses present, functional rendering tools utilized in video games and different functions. It additionally offers a great theoretical framework and proper arithmetic for the sphere of interactive special effects, all in an approachable sort. The authors have made the figures utilized in the ebook on hand for obtain for reasonable use.:Download Figures.

Show description

» Read more

C++ All-in-One For Dummies

Get sooner than the C++ curve to stick within the game

C++ is the workhorse of programming languages and is still probably the most usual programming languages this present day. it is cross-platform, multi-functional, and updates are usually open-source. The language itself is object-oriented, providing you the maximum regulate over info utilization, interface, and source allocation. in case your activity contains information, C++ skillability makes you indispensable.

C++ All-in-One For Dummies, third Edition is your number-one instruction manual to C++ mastery. writer John Paul Mueller is a well-known authority within the laptop undefined, and your final advisor to C++. Mueller takes you thru all issues C++, together with info suitable to the 2014 update.

  • Learn easy methods to paintings with items and classes
  • Conquer complex programming and troubleshooting
  • Discover how lambda expressions could make your code extra concise and readable
  • See general Library positive aspects, corresponding to dynamic arrays, in action

Online assets contain resource code from examples within the ebook in addition to a C++ GNU compiler. if you want to benefit C++, this can be the quickest, ultimate method to do it. C++ All-in-One For Dummies, third Edition gets you up and operating quick, so that you can get to paintings generating code quicker and higher than ever.

Show description

» Read more

More iPhone Development with Objective-C

By Jeff LaMarche

If you're looking to increase your iOS programming talents past the fundamentals then More iPhone improvement with Objective-C is for you. Authors Dave Mark, Jayant Varma, Jeff LaMarche, Alex Horovitz, and Kevin Kim explain suggestions as in basic terms they can—with code snippets you could customise and use, as you're keen on, on your personal apps.

More iPhone improvement with Objective-C is an autonomous better half to Beginning iPhone improvement with Objective-C. that's, it's a ideal moment booklet, however it can also be a superb e-book for these seeking to enhance their talents who've already programmed for iOS. specifically it incorporates a sequence of chapters dedicated to center facts, the traditional for Apple patience. The authors conscientiously step via every one center information thought and express concepts and assistance particularly for writing better apps—offering a breadth of assurance you won’t locate wherever else.

More iPhone improvement with Objective-C covers a number of different subject matters, together with Multipeer Connectivity’s quite uncomplicated Bluetooth/WiFi peer-to-peer version, MapKit, and media library entry and playback in order that your functions can make the most of media in your clients’ desktop. You’ll additionally locate insurance of Interface Builder, reside Previews and customized Controls and a few complex thoughts for debugging your purposes. The publication is stuffed with valuable issues that may convey your courses updated with the recent performance equipped into iOS.

Show description

» Read more

1 2 3 75