August 11, 2000

Question: I want to validate a form so that three radio buttons may be checked, but no more. This will be used in a “what are your top three choices”

Question: Is there a way to prevent users from using the VIEW/SOURCE to view the HTML in my pages? I need to have this for a form that uses sensitive

Question: In the current Web project I have been working on, I have some links on my page which execute a JavaScript function. With this JavaScript function, I open up

Question: I’m opening a file for reading, and after reading its contents I write it all to other file. Now I want to delete the original file. How do I

Question: Is there code to reload a whole page when it is resized? The page with the layers is nested in a frame which is opened in other page. When

Question: How can I get out the value of a blob to print out on a web page using Java? I am using a cursor to get out all the

Question: Is Java platform-dependent where the case sensitivity of filenames is concerned? In Unix, filenames are case sensitive whereas in Windows they are not. How does it work when Java

Question: How can I dynamically load a class and call its constructor which has a primitive data type as one of its parameters? Answer: Using reflection to dynamically instantiate a

Question: Is the JDBC Connection class thread safe? In other words, can a connection be shared between multiple threads without using synchronization? Answer: java.sql.Connection is actually an interface and not