Automated Clojure Emacs hacking VM setup via Vagrant courtesy of @justinlilly (here, via @technomancy) -- Launch a Virutal Machine with a full-blown clojure development environment ready for your code.
Monte Carlo integration with #clojure and #mahout (here, via @chlalanne) -- This post is full of good things, from Incanter to Mahout. If you have some intractable problem that you want to solve, or at least approximate to a solutions, Monte Carlo simulations are the way to go. This article shows how to get a simulation going in relative short time.
Deploying a Clojure web app on Heroku (here, via @clarkhtse) -- From nothing to a clojure web app deployed to the cloud via heroku, covering all the necessary tools and libraries. All in one article.