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Original URL: http://www.cnblogs.com/geneil/archive/2011/12/08/2281367.htmlI. Unified addressing and independent addressingThis part comes from: http://blog.chinaunix.net/space.php?uid=21347954&do=blog&id=443670, thanks to Mason_hu for sharing.From

Once you have read the question for a long time, you must have guessed it was a title party. It is said that the recruitment questions of a company, a Bt programmer pursuing time and space limitations, may flash his head at a time to develop these

Question: except two numbers in an integer array, the other numbers appear twice. Write a program to find the numbers that appear only once. The time complexity is O (n) and the space complexity is O (1 ). Idea: The question requires that the time

To ensure that the computer works properly, a data path must be provided to allow information to flow between the CPU, ram, and I/O devices connected to the PC. These data paths are called bus and act as the main communication channel in the

First, the article for the reasonRecently read the "UNIX Environment Advanced Programming", the previously more obscure knowledge structure has been further strengthened, especially the first two chapters on the non-buffered file I/O and buffered

Rough gave the analysis, recently tired, will be improved later. The topic includes three small questions, from simple to complex: 1, if only one appears once, to investigate the nature of the XOR, is if the same number and their own or the result

Select and poll FunctionsIn the previous chapter, we encountered a problem that the client was blocked from reading data from the standard input. At the same time, the server required to close the connection for some reason and sent a fin to the

  As there are too many notes in Chapter 10, I will post the previous notes first. 1. functions used to open various devices Device Function used to open a device File Createfile (pszname is the path name or UNC path name)

　　I. Oracle related statistical functions for IO informationThe Oracle I/O stack contains HBAs, which stores the relevant switches and stores the physical disks. Then Oracle recommends validating I/O to avoid problems when deploying applications.

Today is. I/o throughput is one of the factors that affect data redo. oracle media recovery depends on I/o, if I/o has a bottleneck, it will inevitably affect the restoration of the media in the slave database. I/o stack contains hbas, storage