Tip Bank

Question: Does WAP have a concept of IP address? Answer: You can get the gateway IP address and the terminal IP address using HTTP headers. WAP 1.1 currently has no

Question: My base class contains this constructor: class Parent { Parent(int a, int b, char* c);}; My derived class contains this constructor: class Child : public Parent { Child(int a);};

Question: How do I find out if a user has disabled cookies? Answer: To find out if a user has disabled cookies, follow these steps: Set a cookie. Redirect to

Question: I’m writing a select statement to make a table name a variable whose value is set according to a condition: Var tablename;tablename := emp tableselect * from tablename; But

Question: I need to extract information using WHERE on fields in two different tables: one a text field, the other a numeric field. Both hold only numeric data. How can

Question: Can you explain the interaction of the RS232 signals (RTS, CTS, DTR, etc.). I need to write a software utility to transmit and receive characters between two computers, but

Instead of using a META tag to re-direct a URL, simply place this code in place of the old page and a visitor will instantly be taken there. This piece

When you plan your queries, you should avoid the use of wildcard keyword * – which means “retrieve any field” – mainly because it may decrease performances, since the engine

The DateSerial function has an interesting feature: it doesn’t raise errors when you pass it an invalid month or day number. Instead, it evaluates the date as if the arguments