Practical reporting with ruby and rails pdf download

Star Branches Tags. Could not load branches. Could not load tags. Latest commit. Git stats 2 commits. Failed to load latest commit information. Get into Ruby. Advanced Rails Advanced Rails Recipes Advanced Rails, Advanced Rails, O'Reilly Agile Web Development with Rails, Agile Web Development with Rails, 2nd Edition Beginning Ruby 2nd Edition. Beginning Ruby on Rails E-Commerce Best of Ruby Quiz, - applied ruby.

Best of Ruby Quiz, Volume 1 Building Dynamic Web 2. Computer Science Programming Basics in Ruby. Deploying Rails Applications Design Patterns in Ruby Design Patterns in Ruby, Design Patterns in Ruby, Addison-Wesley Enterprise Integration with Ruby Enterprise Integration with Ruby, Everyday Scripting with Ruby, - tutorial like.

Ferret Ferret search library , 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. Data Access Fundamentals. Pages Calculating Statistics with Active Record. Creating Graphs with Ruby. Creating Reports on the Desktop. Connecting Your Reports to the World. Tracking Auctions with eBay.

Tracking Expenditures with PayPal. Investment Tracking with Fidelity. Tracking the News with Google News. Creating Reports with Ruby and Microsoft Office.