csd questions

csd answers

• Is it possible to do this in SQL (summing rows over different criteria per user)
• xpath to select tr that has several specific values in the columns
• Finding out the page containing a given record using JPA (Hibernate)
• How to merge >1000 xml files into one using Java
• How to make JAXB Marshaller marshal abstract class based on its runtime type?
• How to filter a select nodeset with a PHP function?
• How can I figure out the UTC offset using Joda?
• Properties file : Use key as variable