In addition to the technique described in tip #453, “Assigning A Zero Value to All Members of A Struct”, C++ (but not C) offers another method of assigning all the
C++ defines a placement version of operator delete. Placement delete is not supposed to be called directly by the user. Rather, it merely serves as the deacllocation function that the
Pointers to members are one of the most intricate syntactic constructs in C++, and yet, they are a very powerful feature too. In future tips, I will discuss pointers to
While it is true that a multithreaded app is more responsive than a single threaded one, programmers who are new to multithreading are often misled into thinking that a multithreaded
Consider the following class and its global instance: // Foo.h class Foo { public: Foo() { RegisterSelf(); } private: void RegisterSelf() {/**/} };// Foo.cpp #include “Foo.h” Foo reg; // global
In older stages of C++, the ios::nocreate and ios::noreplace open modes were part of the family of classes. However, the revised family of file manipulation classes, which should be used
Question: I have a table in my SQL 7 database that, among other values, contains e-mails. There are duplicate e-mail values in this table. I want to extract one record
Question: I am trying to set up 87 rules for a specific mailbox. Problem is, I get an error message stating there are too many rules. Is there a limit
Question: I’m working on a database built for reporting purposes. Tables are updated once a month. Reporting queries are taking many hours to complete, some up to 26 hours. The