I'm adding the use of a named semaphore to an old project I have running under HP-UX-10.20. The project compiles and links fine (plain-ole HP-C compiler), but at runtime I get an error that the function sem_open is not available. Is there something else I need to do? We're running the Korn Shell. Could this be the problem?
Load and Save to file, Document-View interaction inside the SDI.
Continuing from the second article about sudoku.
Open the project in visual studio.
From the class view select CSudokuDoc and double click to open the header …
The undo support, implementing a stack.
Continuing from the eigth article about sudoku.
We need a mechanism to keep track of the digits entered so as to implement an undo mechanism. This should be a ‘Last In First Out’ collec…
Look below the covers at a subform control , and the form that is inside it. Explore properties and see how easy it is to aggregate, get statistics, and synchronize results for your data.
A Microsoft Access subform is used to show relevant calcul…