Harsh J | Memoirs of a QWERTY Keyboard

To use the included 256-bit encryption algorithms within Java, Oracle Java JDK or JRE requires you to download and replace the US_export_policy.jar and local_policy.jar files under your $JAVA_HOME/jre/lib/security/ directory with a variant of these files called JCE Unlimited Strength Jurisdiction Policy Files obtained here.

I learnt this the hard way (and said hello to a large living world of non-standard regex implementations). The GNU grep/egrep documentation page documents all their special backslash character support but \d is not one of them.

If you are an Apple Safari user, you may have noticed that it lacks a duplicate tab feature (such as the one in Mozilla Firefox or Google Chrome, when you right click a tab area).