Tip Bank

In certain contexts, you have to treat a vector as an array of its elements. For example, suppose you have a function that takes int * as its argument. How

The associative containers std::map, std::multimap, std::set, and std::multiset have the following three overloaded forms of the member function erase(): class map // simplified for brevity{public://..other members void erase(iterator position); //

Question: After I have already declared an object, how can I call its constructor again to re-initialize its member variables? Answer: You can’t do that. C++ guarantees that for each

Question: Every class in Java is supposed to extend the Object class by default. In case a user class extends some other class (e.g., if myclassextends yourclass), then is it

Question: What is the purpose of static methods in Java? Answer: Static methods can be invoked without an instance of an object. They provide the ability to execute methods in

Question: I am using Informix 7.24 and my raw partitions are getting quite large. Is there a way to tell the size of a database? I could then decide which

Question: Can I specify the column I want to select from as an argument to the procedure? Something like: create procedure show_product(language char(2), ID integer) returning char(255);define p_prod_name CHAR (255);select

Question: What are some of the ways that databases can be secured so that they can’t be hacked into, etc.? Answer: The first level of security is always the OS

Question: Is there a way to perform a selective restore? I need to restore just one mailbox or public folder. I’m using the NT backup/restore utility. Answer: I’m afraid not.