Use a query similar to this one to find duplicates in your tables.

See why it is inadvisable to use the setTime method to modify an existing Date instance.

Explore a way to split a string that is concatenated with a separator.

Learn how to master the GRANT command to have varied output.

DateTimeOffSet values are often converted to strings for display but they often fail when they are converted back. See how to avoid this failure.

Use this nifty function to check the validity of an email address.

Learn why, with very few exceptions, you should never place constants across component boundaries.

Different code requires different levels of logging. See how to set the log level in Java.

Updating pivot tables manually is tedious. See how to update them all at once via a macro.

Learn how to pause applications for a short time with threads.