Some programmers tend to add an empty exception specification to constructor destructor, assignment operator, and copy constructor of a class: class C {public: C() throw(); ~C() throw(); C(const C&) throw();
When you open VB5’s Components list, you’ll see many controls and libraries not available for your development. Some are controls you downloaded from Web pages; others come from who knows
For some enum types, it may be useful to define overloaded operators, such as ++ and –, that can iterate through the enumerator values: #include using namespace std;enum Days {Mon,
A class may have const and reference data members. These members must be explicitly initialized by a member-initialization list: class Allocator{private: const int chunk_size; const string & serialization_path; // file
A single object, employing a single set of event routines, may be used across all pages in the SSTab control. Draw the object on the form that contains the SSTab
It can be useful to create generic controls of similar properties. For example, if a project has 10 textboxes on different forms that need to accept numeric input only, instead
Use this quick and dirty routine to help find empty recordsets: Public Function IsEmptyRecordset(rs As Recordset) As Boolean IsEmptyRecordset = ((rs.BOF = True) And (rs.EOF = True))End Function
When working with or fixing Access databases and Excel spreadsheets created by users at my company, I often have to use their strings from the table or spreadsheet to save
Question: How do I read the last character in a DBEdit box and get its ASCII value? The character will change, depending on the DBEdit.Text property. Answer: You can use