Best of this Week Summary 23 March - 29 March 2009

• Need to know whether a collection is modified concurrently, which causes the ConcurrentModificationException? Check this handy wrapper solution here.
  


• The second article in the Transaction strategies series. "Using examples from the Spring Framework and the Enterprise JavaBeans (EJB) 3.0 specification, explained is how the transaction models work and how they can form the basis for developing transaction strategies ranging from basic transaction processing to high-speed transaction-processing systems".
  


• For the Amazon EC2 now a free AWS Eclipse plugin is available. It facilitates remote development, deployment, and debugging Java applications on Amazon Web Services.
  


• Three common mistakes to avoid when implementing XML and webservices: don't make your messages too large, don't create too fine-grained services, and don't forget to create an XML schema.
  


• Javascript is getting more and more important the last couple of years, so here's a bunch of best practices and efficiency tips.