Tip Bank

DevX - Software Development Resource

How to Prevent Simultaneous Access

Question: How do you lock a file in Java to prevent simultaneous multipleaccesses? Answer: If you’re concerned about simultaneous access by independent processes,you’ll have to rely on the host OS

DevX - Software Development Resource

How to calculate sqrt()

Question: How do you calculate sqrt()? Answer: Of course the best way to compute square roots is to useMath.sqrt(),but I assume your question is academic. I’m not sure of the

DevX - Software Development Resource

How can I create JavaScript enhanced web pages?

Question: I’ve been poking around the net and have seen several development environments for creating Java applets/applications. What software do I need to create JavaScripts that I can use on

DevX - Software Development Resource

Incremental Searches with a TListbox

Question: How can I create a form that has a list box that I can perform an incremental search on? Answer: There are a couple of ways to do this.

DevX - Software Development Resource

Creating Windows without the VCL.

Question: I have been experimenting in trying to create windows without the VCL using the WinAPI functions CreateWindow and CreateWindowEx and WNDCLASS and WNDCLASSEX structured but it never create the