COM doesn’t have a built in security mechanism, but relies on Windows authentication services (Security Service Providers). When you access a resource or invoke a method in a remote DCOM
If you don’t take specific actions, you get an Access Denied Error when you try to raise an event from an MTS component into a client. This happens because the
Suppose you have a table: select * from tblTestName Amount— ——A 10B 20c 40D 50E 30 The following single SELECT query can be used to calculate cumulative totals: –//////////////////////////////////////SELECT t1.Name,
The following code is bad: char* charpointer= new char[SOMECONSTANT];delete charpointer; // should have been delete [] charpointer; new and new[] are allowed to use different memory pools. The default new/delete
There may be certain situations where you have to sort character-based columns in a particular order.For example, Let us consider a table: –///////////////////////////////////SID Subject Marks— —— —–1 Physics 801 Chemistry
The most common example where ‘open’ date is used is in the expiration_date for an entry. It could be set for a particular date, or be NULL if the expiration
A temporary object is destroyed at the end of the full expression in which it was created. Consider the following example: #include #include // for strlen()string s1, s2;int len=(s1+s2).c_str(); //
After all component settings, create an ImageIcon object with your desired image. Using this object, create a JLabel. Add the Jalbel to the lowest LayeredPane of the JFrame. Finally, add
A default ResultSet object is not updateable and has a cursor that moves forward only. Thus, it is possible to iterate through it only once and only from the first