ften when developing reports in SQL Server Reporting Services (SSRS), mixing summary (or grouped) data with transactional detail becomes a requirement. Show a sales manager how her top products or
A quick way to empty a folder and all its subfolders?while keeping your directory structure intact ?is to run the DOS command DEL with additional arguments. For example, the DEL
To clone an XML document at runtime, use the StAX XMLEventReader and XMLEventWriter classes like this: //AirWings_order.xml – the original XML in this example//AirWings_order_clone.xml – the clone of AirWings_order.xmlimport javax.xml.stream.*;import
C# seems to fail in an advanced use of polymorphism, as demonstrated by the following code: class AReturn {}class BReturn : AReturn {}class A{ public virtual AReturn GetReturn() {…}}class B{