Tip Bank

Question: How can I discover the size of a remote file stored on an HTTP server? Answer: The HTTP protocol supports the transfer of extra information about thecontent referenced by

Question: I have a ResultSet created using JDBC and it contains some datefields. Now I want to subtract one date from the other. Howdo I do this? Answer: Date arithmetic

Question: On a POSIX-compliant system, is there a way to get the process ID ofthe JVM running the current code? Answer: There is no standard means of obtaining the process

Question: Is it possible to change the name of a column within a table after it has been created? For example, I want to change the column “Name” to “FName”.

Question: We have a private WAN network with Exchange Server 5.5 and also have one inbound/outbound Internet mail service for all people to use to send Internet e-mail. I want

Question: I created a command button on the main form. It runs another wizard-generated form that edits a table in the database container. It works in test, but when I

Question: I’m having a problem creating a context menu in a grid (by clicking on the right button of the mouse). I created this menu by programming a method that

Question: How do you open a specific Word document through a Visual FoxPro program? Answer: You simply add the document to the Word.Application’s Documents collection. Here is a code sample

Sometimes is useful to know how many buttons the user’s mouse has. This value can be obtained by calling GetSystemMetrics. The constant to pass as parameter is SM_ CMOUSEBUTTONS. Here’s