Ruby for Java Developers

Check out my presentation for “Ruby for Java Developers” on Slideshare:

Published by Robert Reiz

CEO @ VersionEye. Passionated software developer since 1998.

4 thoughts on “Ruby for Java Developers

  1. Congratulations. Amazing post.

    Can I do some questions?

    1.- What do you say in the slide 89? 40% 20% 40%?
    2.- What tool do you use for the statistics shows in the slides 91, 92, 92?
    3.- What is the source of Open source projects shows in the slide 101?

    Regards and have a nice day.


    1. Here are the answers:

      1.- The execution time on the server is not so important. If you take the duration for a whole request – response cycle, than in average just 20% of that time is spent on the WebServer. Most of the time is spent for database access and HTTP.


      3.- The sources are all repository servers. For Java over 30 Maven repository servers, for Ruby it is If you count all projects on the central maven repository server and some other M2 Server than you will come to this numbers. I am crawling this sources for, thats why I know the numbers 🙂

      I hope I could answer your questions.

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