Operator dynamic_cast fails when it cannot convert its argument to the desired type. Usually, such a failure results from an attempt to cast an object to a non-related class. But
STL containers overload the assignment operator, thereby allowing you to easily assign containers of the same type to one another: #include #includeusing namespace std;void main() { vector vi; vi.push_back(1); vi.push_back(2);
When serializing a Hashtable in Java, make sure that the keys used to store objects are either primitives, or the key class’ hashCode() method overrides the superclass Object’s hashCode() method.
Many Visual InterDev 6 developers have destroyed their Visual InterDev 6 environments by installing Internet Explorer 5 beta. Microsoft mentions potential problems in the IE5 beta’s release notes but too
Even if your Web site is rock-solid with no broken links on it anywhere, chances are someone is going to see a 404 File not Found error page someday, if
The Perl sort function is useful for alphabetically sorting lists. However, you can’t use it on a list of lists, because once a list starts listing other lists, they cease
The serialization mechanism in Java provides the means for persisting objects beyond a single run of a Java program. To serialize an object, make sure that the declaring class implements
You can do a lot of cool things using Microsoft’s Remote Data Services (RDS). For example, have you ever wanted to display a field from a database table read-only in
Virtual inheritance is used to avoid multiple copies of a base class in a multiple-inherited object. However, there are cases where multiple copies of a base are needed in a