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December 16, 1999

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

Access Violation

Question: I get an “Access violation at address…” error, when I run my program. An error occurs on line “scanf(…)” but I can’t figure out what is wrong. Answer: In

Overload Operator []

Question: Is it possible to overload the ‘subscripting operator’ [] so it will take char * as the index, similar to an array? For example: I want to write a

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.

Equivalent functions for Unchecked Conversion

Question: Are there any functions/libraries that can perform the Unchecked_Conversion function in Ada? We are writing a program that will read a bitstream. Upon determining the type, we want to

Pointer Arithmetic

Question: I am a programmer beginning to learn C++. I wrote this chunk of code: /////////////////////////////////////////////////////////////// Get to do some pointer arithmetic!/////////////////////////////////////////////////////////////#include #include const char NL = ‘ ‘;const char

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:

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

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