malcolmsparks

If you're using clojure.tools.logging with SLF4J.

It's often useful to 'switch on' logging for a given web request, or during the evaluation of a given form, etc.

Add this to your logback.xml configuration:

  <turboFilter class="ch.qos.logback.classic.turbo.MDCFilter">
    <MDCKey>logging</MDCKey>
    <Value>on</Value>

john2x

Clojure Destructuring Tutorial and Cheat Sheet

(Related blog post)

Simply put, destructuring in Clojure is a way extract values from a datastructure and bind them to symbols, without having to explicitly traverse the datstructure. It allows for elegant and concise Clojure code.

Vectors and Sequences