Tip Bank

DevX - Software Development Resource

How to access your comport

Question: How can I access my comport? How can I send bytes to the datatransfer pin? I’m using Delphi 1.0I’ve tried writecomm and transmitcommchar (and I’ve opened the port with

DevX - Software Development Resource

Two-dimensional array

Question: How can I dynamically declare a 2D array and pass it as a parameter to a function?Here’s an example of what I’m trying to do:#include #include #include const SIZE

DevX - Software Development Resource

Creating paradox-type tables at runtime

Question: I want to create paradox-type tables at runtime, which I am generally doing in this way:Table1.FieldDefs.Add(‘IDnum’, ftInteger, 0, False)….Table1.CreateTableHowever, there seems to be no FieldType for an auto-increment number

DevX - Software Development Resource

Exporting data

Question: I wasn’t able to find out what all the command line switches for dbexport do. The only ones I found were -o and -c.Is there a way to export

DevX - Software Development Resource

Initializing a deck of cards using a for-loop

Question: I have two enumerated types: enum suit_type{club,diamond,heart,spade} and enum rank_type{ace,two,…,queen,king}. In structure CARD, I have the variables suit_type suit and rank_type rank. In class PILE, I have a private

DevX - Software Development Resource

Processor fault

Question: Why do I get with the following program, this error: general protection exeption, 0x215f:0x1ef3timer(1) 0x215f:0x1ef3 Processor fault.Program (very small):#include #include int get_value (int _value);void main (void){ int _time=0; int