Tip Bank

DevX - Software Development Resource

Inserting a String into a Char(500)

Question: I am trying to insert a string into a char(500) but get this error message: A quoted string exceeds 256 bytes. I’m using this for a Web site built

DevX - Software Development Resource

Informix ODBC Visual InterDev Hangs

Question: If I try to open an Informix table in Microsoft Visual InterDev, which uses SCO Vision Ultralite ODBC driver on an NT4/SP4 IIS4 Web server, Visual InterDev hangs. Using

DevX - Software Development Resource

Macros with Variable Number of Arguments

Question: Is there anyway to have a variable number of arguments passed to a macro? Yes, I know it can be done with inline, but this is for debugging purposes.

DevX - Software Development Resource

Sessions Do Not Work on Web Server Farms

Question: How do sessions work with clustered NT servers? How do you make use of clustering technology if an NT machine goes down along with its sessions? Is NT smart

DevX - Software Development Resource

Sizeof Operator

Question: When declaring an unbounded array in my function’s parameter list, int a[], can I use the sizeof() operator to determine the array’s length at runtime? Answer: No, you can’t

DevX - Software Development Resource

Control How a Page is Cached

A proxy server reduces the amount of time spent retrieving documents over the Internet. It does this by caching, or storing, the document in memory and then serving it from

DevX - Software Development Resource

Tile With Lightweight Image Control Arrays

I write apps for companies where computer know-how is at an all-time low. Most applications scare people to death. However, Web-style forms and graphic buttons present soothing enough interfaces that