欢迎关注【玩转单片机与嵌入式】公众号,回复关键字获取更多免费视频和资料 看似无意义的代码片段实际上有着令人惊讶的妙用,而且对于理解代码的执行流程和增强代码的可维护性都有重要帮助。 首先,让我们来了解一下do{}while(0)的起源。这种写法最早 ...
The DO statement designates a group of statements that are to be executed as a unit, usually as a part of IF-THEN/ELSE statements. The iterative DO statement executes a group of statements ...
Comparing cursor vs. WHILE loop performance in SQL Server 2008 Your email has been sent Tim Chapman discusses your iteration choices in SQL Server 2008 and explains why determining which option ...