EJB homes and DataSources are obtained from an application server through a JNDI naming lookup. This requires the allocation of expensive resources, which can be minimized by caching and reusing
Use this code to find out who is accessing your ServerSocket: Socket aSock = myServerSocket.accept();System.out.println (“Connection from : ” + aSock.getInetAddress().getHostAddress() + ‘:’ + aSock.getPort());
When you’re working on large projects, it’s common to have a bunch of open windows cluttering your desktop. Closing all the windows you’re not working on is tedious. To automate
Sometimes, you need to know the Oracle database instance name on which your SQL is being executed. For instance, say you have to print a DBA report for which you
Say you’ve got a function that takes some built-in kind of parameter. You need to make that function work?even for an object (which has a data member of that built-in
Synonyms are used in place of schema objects in professional database applications because the application user is typically different from the object owner schema. The script below creates synonyms for
There may come a time when you need to generate the permutations of a given set of variables at hand, all of them belonging to the same type. The C++
SQL statements defined “inline” in source code are a warning sign that the implementation or the project design itself probably includes some land mines. If you see something like: String
BREW is very event-driven. As such, an application will get many events that it may not be expecting. Controls talk to themselves using events. The system sends events to the