The most common alternative to #pragma once is to use #define to set an include guard macro, the name of which is picked by the programmer to be unique to that file. For example, #ifndef GRANDPARENT_H #define GRANDPARENT_H ... contents of grandparent.h #endif /* !GRANDPARENT_H */.
1 Costco is three years old and has 17 locations, 1.3 million members, and 3,740 employees.  Costco's first Pharmacy opens in Portland, Oregon and the Tukwila, WA warehouse becomes the house of the company's first fresh meat department.
Over the past 5 years, Costco Canada has only opened 10 new stores which is a small fraction of the 122 new stores opened globally during the same time period (Costco operates in the U.S., Canada, Mexico, United Kingdom, Japan, Taiwan, Korea and Australia).he secret to Costcoâs success lies in supply chain efficiency. After 30 years in business, the retailer has figured out how to minimize 'fingerprints' through the network.