Question: As you know, when you create .db tables with referentialintegrity (i.e. Paradox or Desktop), this makes detail records that dependon the master. When you want to delete records in

Question: Is there a way to reset the net and lock files that an application develops withouthaving to shut down the software? Even a temporary pause would be acceptable. We

Question: I am trying to perform multiple queries, and to speed things up I want to perform a query on the result of a previous query. Is there an easy

Question: I’m trying to teach myself Delphi 2 and have no programming experience. I’m stuck on a simple problem. How do you bring up the About box from the About

Question: Can the drop-down items for a DBLookupComboBox be populated from the results of a TQuery? Answer: Yes, a query can act as the data source for a TDBLookupCombo. You

Question: When a user clicks on an item in a list box, how can I get the actual string that was clicked on? For example, if ‘dog,’ ‘cat,’ and ‘fish’

Question: How do I pull out every second digit from a string and sum them? Answer: This is a rather unusual question, but it’s not that hard to accomplish.What must

Question: I’m a Delphi rookie but an experienced programmer in Turbo Pascal.I’m trying to use DBF tables, with good results.But when I copy my compiled programs to a disketteand install

Question: I am trying to make a Delphi program that has TCP/IP networking capabilities.I found some functions, etc. in the wininet.dll.My question:Does anybody know how to use it?The manual says

Question: I have a couple of questions about passing information to aword processing template and controlling the saving of the template toanother name. I appreciate any guidance you can provide.

Question: I cannot find much info on how to do Date math. I am trying to determine elapsed days from a record entry date to the current date. I am

Question: I have a table. When I delete an item, the size of the table won’t change. I think the delete command for tables doesn’t move up the entries but

Question: How can you call a DOS command under Delphi 2.0? For example, I want to do a “TYPE >prn” from Delphi. Answer: You can do it with CreateProcess. Refer

Question: I have two questions:Question 1:How can I extend the painting functionality of a TWinControl like the TGraphicControl‘s Paint method? Question 2:I cannot find the Paint method in TWinControl to

Question: I am currently trying to convert three components to ActiveX components. I am doing this through Delphi 3, which I realize some people do not have access to.I need

Question: How can I call the operator= of the base class from the operator=in the derived class?The data member in the base class is a private data member. I want

Question: What is the difference between calling yield() and sleep()? Also, in what instances would you call either method? Answer: The Java platform uses the multithreading facilities of the host

Question: I’m a beginner in Java. I’ve tried two different applets now (one of which I borrowed from another site), both of which involved text fading and color changing. I

Question: Is it possible to have more than one class in the same file ? Answer: Yes. The file Foo.java may contain several class declarations, but amongthem must be a

Question: Can you tell me how to change the background color of an applet from the normal grey to white? I would greatly appreciate it. Answer: Try putting the line:

Question: I need to be able to move the caret in my memo field back to the begining of the field. Any idea how I do this? Answer: Try this:Memo1.SelStart(0);This

Question: 1. I developed an application, but after running for about one hour, a message error: “Insufficient memory to do the operation” occurred. The error did not cause the application

Question: I am using a DBgrid. I have defined two NEW Persistent fields as lookupfields. In the Columns editor, I added them to the grid display. Those two fields are

Question: I have 10 .wav files that I want to play in a loop.If I make the mmplayer wait property true, I suffer from control failure during the loop time.I

Question: I am using a simple grid with names and numbers, and I have the fields set as required in the database. I would like to know how to trap

Question: I am creating numerous threads on-the-fly in Delphi 2.0. I create them suspended. The question is: How do I make the threads go away? I’ve tried Free, Terminate… nothing

Question: I’m using Delphi to do a client-server application in which all the lines I get from a socket I send to a TMemo in my form. I want that

Question: Do you know how to create a flat, non-3D combo box with only a thin black border? Setting CTL3D to False doesn’t seem to have an effect on the

Question: I want to be able to filter records in a table based on criteria in, say, three combo boxes on a form. Answer: If you have indexes on those

Question: How do I re-size the buttons, etc. on my forms when the resolution changes? If I create something in Delphi at a high resolution and run it on a