A transaction can be defined as a related set of operations that read and modify data in a single batch. Every transaction should follow the ACID rule, where ACID stands
Consider the following class: class Book { private: char ISBN[11]; int year bool in_stock; char name[100]; //
Question: How does dynamic_cast work? How is it implemnted in compilers? Answer: dynamic_cast accesses the runtime type information that C++ automatically generates for every polymorphic class. This information is stored
Question: Are there power bit set classes around that can do what Verilog, VHDL can do so easily? a[3:2,0] = b[4:1] & c[5]; // collections of width n mixed with
Question: What exactly is an opaque pointer? Answer: The term “opaque pointer” is used in component-based programming, e.g., COM and CORBA. It refers to a pointer to an object of
Question: If I write C++ code in UNIX, does my code convert to C and compile? Answer: Not necessarily. The first C++ compiler, cfront, was actually a C++ to C
Question: Why do Journal entries within a (slightly) customized contacts database in Public folders only appear to the user who logged the Journal entry? All other fields in the contact
Question: How do I count the records for a specific field? For example, I’m building a table for homes in a county. In the table are fields for cities and
Question: Is there a function that gives me a simple way to know whether a string contains a number or not? I’ve already done something with ASCII values, but this