Suppose you have a class and want to use it at runtime. The code below shows how you can load the class and execute a desired method at runtime. The
To check whether nested triggers are turned on or off in SQL Server, issue the following command in Query Analyzer: EXEC sp_configure ‘nested triggers’ If the run_value is 0 then
Dates are generally a requirement for every application. However, including dates for users across the globe can be tedious, because different people use different formats to read the date. Oracle
Suppose you are writing a row-level trigger Z on a table X to update an audit table Y with information about inserts into X, and you need to know what
This tip provides a substitute for the __strrev function, because it’s not available under Linux. This is useful if you are porting existing code from Windows to Linux. Suppose you
If you’ve ever used the built-in logging facilities introduced in JDK 1.4, you’ve certainly faced a situation wherein you wanted to prevent log messages from appearing on the console. The
Suppose you have a class hierarchy and you plan to do some downcasts. Try writing virtuals in the root class to do the downcasting to NULL for each of the
Sometimes you need to display a string of characters of a specified length for a column value in a SQL query. To this end, SQL Server supports a function called
Normally, you need a main method in a Java class if you want to run that class from the command line. However, there is a little trick that allows you