Tip Bank

DevX - Software Development Resource

Overloading The ! Operator

Question: Is it possible to have a postfix version of the ! operator? Answer: No, you cannot alter the associativity, ordering and position of built-in operators when you create an

DevX - Software Development Resource

Data Source Name Not Found Error ‘80004005’

Question: What does this error message mean? Microsoft OLE DB Provider for ODBC Drivers error ‘80004005’ [Microsoft][ODBC Driver Manager] Data source name not found and no default driver specified /SampleProject/default.asp,

DevX - Software Development Resource

Cross Platform Compilers

Question: Is there a C++ compiler that I can use to go cross-platform with development?I need to develop the same DLLs for AS400, Sun, and Windows. Answer: I’m not sure

DevX - Software Development Resource

Open ODBC Connection Without Hardcoding Password

Question: In my ASP page, I open an ODBC connection with: Set Conn = Server.CreateObject(“ADODB.Connection”)Conn.CommandTimeout = 600Conn.open “Database_name”,”Username”,”password”. How can I avoid hardcoding the password in the ASP source? Answer:

DevX - Software Development Resource

Compiler Warnings with STL Map Containers

Question: Using even the most basic default constructor, such as ” mapm; ” , causes a debug error creating huge compiler warnings in Visual C++ and MS Visual Studio 6.0.

DevX - Software Development Resource

Access Data From SQL Server in ASP

Question: I’m using Microsoft SQL Server 6.5, Active Server Pages (ASP), and ActiveX Data Objects (ADO). When I retrieve a string with a value of “New York” from the table

DevX - Software Development Resource

Overloading istream operator >> for bool

Question: I am trying to overload the istream operator >> to work with type “bool”. From my point of view the code looks okay, except the VC++ 6.0 compiler tells

DevX - Software Development Resource

Display Date and Time of File Upload

Question: How can I display the date and time a file was uploaded to my Web server using ASP? Answer: If you can access the file from an ASP page,