Tip Bank

Question: I’m a Paradox for Windows convert. In Paradox it’s a relatively simple thing to create a query that changes data in a field of one table with the values

Question: How can I implement a linked list using Java, since there are no pointers? Can you provide sample code that uses a linked list?Thanks! Answer: You need pointers to

Question: How do you count the number of rows displayed in a DBGrid when displayed through a query? Using TQuery, I get 50 to 60 files, but want to know

Question: I am developing a database/intranet package for which I need to use a grid based on a TQuery, but I only need a few of the fields to show

Question: I have installed a Delphi 2.0 BDE application over a network where two terminals can access the table at the same time.I have checked the NET DIR to point

Question: At present we have a large application that runs under DOS protected mode. It is written in Borland Pascal 7.0. We have a longer term project to convert it

Question: We have a specialized ISA bus hardware card that has relays, etc. on it that are accessed by writing or reading to the PC’s I/O ports.How can I port

Question: I want to create a button in code, put it on a form and attach a procedure to its click event. How can I get the click event linked

Question: I want to draw a picture with bigger coordinates (x,y) than the screen can contain. For example, my screen’s resolution is 600×800, but I will draw a filledellipse on