@RequestMapping view in STS

If you are working with STS and developing Spring MVC applications then you can try option Show View -> @RequestMapping. It will show you what urls are mapped for which Controllers and its methods.

Mercuryapp

Using MercuryApp

MercuryApp is simple to set up and use. It's like keeping a journal -- only simpler and with extra information!

Pick something to track, log your daily feelings, and get data that can help you improve your life and make better decisions.

More here: https://www.mercuryapp.com/get_started

Spring Framework 3.2 M2 Released

It contains changes to @Configuration classes, repackagaging all net.sf.cglib classes to org.springframework.cglib and inline them directly within the spring-core JAR.
Both of these upgrades are good news for JDK7 users writing Spring components in dynamic JVM languages, as these new versions of CGLIB and ASM properly handle the new invokedynamic bytecode instruction introduced in JDK7.
More is here: http://www.springsource.org/node/3654

Coursera

Coursera is a social entrepreneurship company that partners with the top universities in the world to offer courses online for anyone to take, for free.
Now you can try https://www.coursera.org/course/progfun - Functional Programming Principles in Scala with Martin Odersky (author of Scala)

Java 7 Security Update

Java 7 Update 7 (and the corresponding Java 6 Update 35) are available to download.
It fixes security issue: http://www.oracle.com/technetwork/topics/security/alert-cve-2012-4681-1835715.html

Tools for analysis Garbage Collection

offline:
- GCHisto, GVViewer
online:
- VisualGC for VisualVM

DirtiesContext

Test annotation which indicates that the ApplicationContext associated with a test is dirty and should be closed:

• after the current test, when declared at the method level
  
• after each test method in the current test class, when declared at the class level with class mode set to AFTER_EACH_TEST_METHOD
  
• after the current test class, when declared at the class level with class mode set to AFTER_CLASS
  

Read more here: http://static.springsource.org/spring/docs/3.0.x/javadoc-api/org/springframework/test/annotation/DirtiesContext.html