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An interactive problem website for Clojure beginners. All new development should be done on the "develop" branch.

This branch is 332 commits behind 4clojure:develop

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resources/public Merge branch 'feature/followers' into develop
src/foreclojure Don't overwrite times-solved when editing problems
test/foreclojure/test Add "of out total" to the ranking
.gitignore Golf graphs non-javascript fallback
LICENSE.html Update readme
config.clj Make the list of bootstrap users configurable, and better documented
load-data.bat Make data_set non-side-effect-y unless you call one of its functions,… Make data_set non-side-effect-y unless you call one of its functions,…
project.clj Version number


An interactive problem website for Clojure beginners


Anyone interested in contributing should check out the Issues page for ideas on what to work on.

Join us in #4clojure on freenode for help or discussion.

Setup instructions for running locally

  • Download and install leiningen.
  • Download and install mongodb.
  • The project uses clojail, which requires a security policy setup in your home directory (because Clojure's eval is unsafe if used improperly). Set up a file called .java.policy in your home directory. The contents should look vaguely like this:

    grant { permission; };

    but see the readme of that project for more details.

  • cd to the 4clojure project directory and run lein deps.

  • Start up your mongodb, if you don't have autostart:

  • For the first time use, you will need to load the problem data. Run the script

  • Run lein ring server


Problem sources:


The source code for 4clojure is available under the Eclipse Public License v 1.0. For more information, see LICENSE.html.

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