It happens all the time when programming.. You have osme code that just does not do what you want, altough you did everything right. Soemtimes this happens to me when using java, so I decided to put out this page with some problems and their solutions.
Here are some snippets for you to use.
Spring is pretty cool framework. Unfortunately for someone just starting it can be quite quite hard to get it running. This is about getting a simple spring security provider running... in a non-web way.
a little piece of code that can convert human input into a timespan (milliseconds)