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This article introduces the content of the PHP surface of the question one thread and process of the difference (incidentally), has a certain reference value, now share to everyone, the need for friends can refer to I. What is a process A process is an instance of program execution that can be allocated to resources such as CPU and memory . Processes typically include instruction sets and system resources

This article introduces the content of the PHP surface question eight of the InnoDB and MyISAM differences, has a certain reference value, now share to everyone, have the need for friends can refer to InnoDB:Support transaction processing, etc.No lock ReadSupport for foreign keysSupport Row lockIndex of type Fulltext not supportedDo not save the table's exact number of rows, scan the table to calculate how many rowsDelete Table is a row of deletesInno

Nine Chapters count judges Net-original websitehttp://www.jiuzhang.com/problem/31/TopicsGiven an array, two disjoint and contiguous sub-arrays A and B (positional continuous), satisfying |sum (A)-sum (B) | maximum (and the absolute value of the difference). For example [2,-1,-2, 1,-4, 2, 8], can be obtained a=[-1,-2, 1,-4], b=[2, 8], the maximum difference is 16.AnswerThe answer is to preprocess the maximum