Asking users to enter time values can often lead to problems formatting what the user enters. I use this piece of code to create a drop-down list of hours, minutes,
You can easily find out whether your user clicked on OK or on Cancel on a modal dialog. This example also prevents the user from unloading the form, and thereby
In SQL Server 7, a significant change was made to the way nonclustered indexes work when a clustered index exists on a table. In version 6.5, the nonclustered index used
Whenever you are programming in Active Server Pages, make sure that your browser is set to check for a new page every time. Otherwise, you may not see your latest
While attempting to deserialize (or unmarshal) a serialized object instance, you may generate an exception with a message similar to: java.rmi.UnmarshalException: Error unmarshaling return; nested exception is: java.io.InvalidClassException: RMIParm; Local
Name mangling, (the more politically correct term is name-decoration, although it is rarely used) is a method used by a C++ compiler to generate unique names for identifiers in a
Everyone by now is familiar with how to create auto increment keys in SQL Server–just define an integer column with identity (start,increment) and you are set. To create a new
By default, when you define a primary key in the create table statement, it uses a clustered index. However, a clustered key is best used to support queries that return
The GridBagLayout is a flexible layout manager, but is also notoriously difficult to use. Some of the most common and difficult to debug problems occur when the amount of space