Here is sample code: import java.security.SecureRandom;public class UniqueNumberGenerator{ static final SecureRandom random = new SecureRandom(); static final StringBuffer buffer = new StringBuffer(30); static { random.nextInt(); } public static String getNextUID()
It seems common knowledge that I/O streams and JDBC database connections are resources that need to be released as soon as they are no longer needed. Not so common knowledge
Many books about JDBC and most of JDBC-related sample code floating around seems to assume that JDBC is used directly, meaning that database connection is established by the DriverManager, and
If you’re like me, and sometimes need to modify Active Directory data from an ASP page where the user is either anonymous, or doesn’t have admin privileges, you need a
The equals() method in the String class is commonly used to compare two strings for equality. However, this method returns true only if the argument is not null and is
This is a fast and versatile function for loading comboboxes.I have not included a ComboBox.Clear, to make it possible to load multiple recordsets to the combobox. This makes it more
One of the many functional methods of rolling back transaction(s) in a VB application is as follows: 1) In the procedure containing the Begintrans/CommitTrans methods, declare a Boolean Procedural variable
One of the best ways to improve performance in a distributed application is to avoid sending unchanged data back to the server for updating. I use the following strategy to
Here is a function for extracting the ID3 tag from a MP3 file. Add the following lines of code into a Module: Public Type ID3Data Tag As String * 3