Delphi Queries and SQL
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 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: 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: 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: 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 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: 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 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 am wondering how Visual C++ implements class templates. The code below is a simple stack class template that can take all the simple data types (char, int, float,
Question: What is the C++ equivalent to _getch()? I need to have program control immediately after any keypress in a DOS-based program. Answer: Unfortunately there is no specification in the