Exploring everyday things with r and ruby pdf download

Enterprise Integration with Ruby Enterprise Integration with Ruby, Everyday Scripting with Ruby, - tutorial like. Ferret Ferret search library , Ferret, O'Reilly Flexible Rails - Flex3 on Rails2 From Java to Ruby, Learn Ruby On Rails in 4 Days Learn to Program Learn to Program, - for n00bs. Learn to Program, The Pragmatic Programers Practical Reporting with Ruby and Rails Practical Reporting with Ruby and Rails, Apress Practical Rest on Rails 2 Projects Practical Rest on Rails 2 Projects, Apress Practical Ruby Projects, Practical Ruby Projects, Apress Pro Active Record, Pro Active Record, Apress Professional Ruby on Rails, Wrox Programming Ruby, 2nd Edition Turn on the flash or use a small light and shine it through your finger.

This is slightly harder because the camera lens is normally larger than your finger. A trick is to use a lamp as the background, so you can have the light shining through your finger and maintain a consistent background at the same time. In the following example, I used the phone camera method with my iPhone. In the case of both RMagick and RVideo, described next, you need native developer tools support in order to compile the native components of the gem for your platform.

We start off the code by inspecting the video and getting some attributes from it. These will be useful later on in the code. Specifically, we will need the number of frames per second, the duration of the video, and the height and width of the video. Next, we use the system method to issue a command to the underlying shell, and return either true or false depending on whether it succeeds or not:.

This runs ffmpeg, taking in the input file heartbeat. This is the reason why the video format is unimportant. As long as FFmpeg has the correct library to support the codecs, it will convert the video file to a series of PNG image files, numbered sequentially. In this example, we specify that there are three digits to this series of numbers. How do we know this? Slightly more frames could be created—some video players round off the duration—but the total would not be more than frames.

If the command runs successfully, we will get a set of frames in the frames folder, each named framennn. Ruby on Rails for Microsoft Developers. Enterprise Web Development. Ruby on Rails 3 Tutorial. Cloning Internet Applications with Ruby. Ruby Under a Microscope. Ruby on Rails Power! By using fundamental math and doing simple programming with the Ruby and R languages, you'll learn how to model a problem and work toward a solution.

All you need is a basic understanding of programming. After a quick introduction to Ruby and R, you'll explore a wide range of questions by learning how to assemble, process, simulate, and analyze the available data.

You'll learn to see everyday things in a different perspective through simple programs and common sense logic. Once you finish this book, you can begin your own journey of exploration and discovery. Computer Technology Nonfiction. Here are some of the questions you'll explore: Determine how many restroom stalls can accommodate an office with 70 employees Mine your email to understand your particular emailing habits Use simple audio and video recording devices to calculate your heart rate Create an artificial society—and analyze its behavioral patterns to learn how specific factors affect our real society Computer Technology Nonfiction Details Publisher: O'Reilly Media.

Kindle Book Release date: August 1, Availability can change throughout the month based on the library's budget. You can still place a hold on the title, and your hold will be automatically filled as soon as the title is available again. The OverDrive Read format of this ebook has professional narration that plays while you read in your browser.