disk

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How can I monitor disk access for a certain file?

I want to us开发者_开发技巧e performance monitors to determine when a file is being accessed (read/write). Is this possible? If not, is there any other way?[详细]

2022-12-26 19:37 分类：问答
How many files can i have opened at once?

On a typical OS how many files can i have opened at once using standard C disc IO? I tried to read some constant that should tell it, but on Windows XP 32 bit that was a measly 20 or something. It se[详细]

2022-12-22 11:23 分类：问答
what the best and simplest way to find out whether a volume need defrag?

I am writing a application that monitor the system\'s health, user should know when they need to defrag the volumes.[详细]

2022-12-22 10:33 分类：问答
sequential vs. binary search [closed]

As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references,or expertise, but this question will likely solicit debate, a[详细]

2022-12-21 22:47 分类：问答
Does disk caching with NSURLRequest and NSURLConnection actually work on the iPhone?

I have a UITableView whose cells contain custom ImageViews that asynchronously load the images from the internet. To load those images I use NSURLRequest and NSURLConnection which works fine. The only[详细]

2022-12-21 18:03 分类：问答
MySQL innodb seeks vs. contiguous reads tradeoff

Would mysql (innodb) support a higher rate (queries per second) of queries like (A) or (B)? (A) SELECT * FROM t1 WHERE pkey BETWEEN 2000 and 2001 AND x > 300[详细]

2022-12-21 03:02 分类：问答
Determine available disk size with a sql query

I need to determine the available space on the drive where my database lives. I know about the xp_fixeddrives procedure but how do I get the info for the开发者_如何学C specific drive where my database[详细]

2022-12-19 17:09 分类：问答
Programmatically assign new letter to existing drive with C++

I want to change a drive letter. For example, I can use diskpart to 开发者_开发百科assign a new letter to a drive (a USB disk or a new hard disk).[详细]

2022-12-17 09:50 分类：问答
Efficient method to store Python dictionary on disk?

What is the mo开发者_StackOverflow社区st efficient method to store a Python dictionary on the disk? The only methods I know of right now are plain-text and the pickle module.[详细]

2022-12-16 23:05 分类：问答
Difference between sequential write and random write

What is the difference between sequential write and random write in case of :- 1)Disk based systems 2)SSD [Flash Device ] based systems[详细]

2022-12-16 19:37 分类：问答