January, 2013: Three approaches to ambiguous grammars

We have many tools in our parsing toolbox. Today let’s look at how three different parsing techniques handle ambiguity caused by choice.

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January, 2013: Just In Time Development

Since the dark ages of yesteryear Squeak has had a very interesting button in its Debugger – “create”. Today we’re going to teach it a new trick.

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January, 2013: cloverage – a code coverage tool for clojure

A couple years ago we presented a couple design sketches for a code coverage tool for clojure. More recently we spent some time researching whether existing code coverage tools would suffice for our requirements, and after finding out that java based code coverage tools either don’t work at all, or produce unhelpful output, we decided to finally write cloverage. You can find it on github: https://github.com/lshift/cloverage.

To try it out, add the lein-cloverage plugin to your user profile in ~/.lein/profiles.clj:

Then run lein cloverage in your project root.

It’s based on a prototype one of our commenters mentioned on Tim’s post. Thanks Mike!

January, 2013: Continuous Integration for Github Pull Requests with Teamcity

Most developers with an interest in open source software these days have seen the Github interface for handling pull requests, and relatedly, Travis CI’s support for pull requests. And so we thought it’d be useful to have something similar for our internal CI system.

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