Tip Bank

A template can take ordinary types such as int and long as parameters: template class Array // type int used a parameter {/*

Java Database Connectivity (JDBC) drivers sometimes perform conversions on Structured Query Language (SQL) statements that you execute before sending them to the database. It can be helpful for debugging purposes

A template can take as an argument the address of an object with external linkage. A string literal cannot be used as a template argument since it has internal linkage.

JavaScript has a powerful mechanism to create and execute code on the fly using the eval() statement. This statement takes a string as a parameter. This string is then run

SQL Server 7 has taken great strides in improving its security model. Groups have been done away with and replaced by roles. The practical difference lies in the fact that

You can’t reliably test an auto-instancing object variable using the Is Nothing test, because as soon as you reference the variable Visual Basic silently creates an object of the given

‘ The number of 1’s in a binary number” This routine is based on the following property ‘ of binary numbers: n And (n-1) always clears the’ least significant “1”

The StartLogging and LogEvent methods of the App object only work in compiled applications. This behavior is by design and shouldn’t be considered a bug, even though it isn’t documented

If you haven’t switched to DCOM yet, and still use Remote OLE Automation, you must launch the Automation Manager program on the server machine, in order to let the server