If the data or instruction is not present in the cache, or if the cache line is invalidated, the CPU updates its cache by reading the data from the main memory.

如果数据或指令没有出现在高速缓存中，或者如果高速缓存线路无效的时候，CPU通过从主存储器中读数据来更新它的高速缓存。

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You may be wondering how the call to setvbuf helps, when we are reading either line by line or char by char.

您或许想知道，当我们逐行或逐字符地读时，对setvbuf的调用是如何起作用的。

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Example of reading a file where records are separated by a DOS or Unix Line End

读取其中的记录由 DOS 或 Unix 行结束符分隔的文件的示例

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Their disadvantage is that they have to be scanned physically by a line-of-sight reading device.

ECONOMIST: Tech.view

And when we were assigned to do that I really got the knack and saw the importance of reading word by word, line by line, paying attention to every single word that was on the page.

NPR: Could You Be the Great American Novelist?

Hitting the ageing Finns on the counter-attack is what is what Wales had to do and nine minutes before the break, Tottenham left-back Bale did just that crossing from the by-line for Simon Church, but the Reading striker could not direct his glancing header goal-bound.

BBC: Finland 2-1 Wales