London Groovy & Grails User Group Meetup

  • January 21, 2013 · 6:30 PM
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Yet again, we will be doing some Groovy coding practice and looking at ways to solve different programming problems. This is a great way to learn new techniques, library methods, and tools.

If you have ideas for programming problems, particularly ones that you have encountered yourself and are interested in seeing alternative solutions to, then please add them as comments to this event.


Note Please bring laptops if you have them. We'll split into groups and work on problems and then review and discuss people's solutions at the end of the session.

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  • Les W.

    Sorry cant make it tonight now, but would be interested to see the outcome of the various discussions. Cheers Les

    January 21, 2013

  • Vithun Kumar G.

    I'd like a GVM command like this:
    $ gvm use grails project

    If the above is typed within an existing Grails directory, then the tool should use the version specified in (installing the version if not currently installed)

    Can we implement this as an exercise today?

    January 21, 2013

  • Peter L.

    A couple of smaller tasks:

    1. Count the number of files of a particular type under a given directory (explore the file system support in Groovy!)

    2. Write a tree traversal algorithm that allows you to count the number of leaf nodes, print the content of the nodes in a visual tree, and find a particular node.

    January 21, 2013

    • Vithun Kumar G.

      Yes that would be interesting. I also recently got to know about "memoize" and "trampoline" in closures. This exercise could give us a use case to try those out.

      January 21, 2013

  • Peter L.

    Parse the data from and extra plugin name, title, current version, and download file for current version.

    January 21, 2013

  • James G.

    No longer able to attend Im afraid - I will try to come to the next meet-up. Hope you have a good evening.

    January 21, 2013

  • Peter L.

    One suggestion: write a Grails RESTful interface for Author & Book example that supports both JSON and XML.

    2 · January 20, 2013

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