similar to: why copying files so slow in ext3

>xc wrote: >> >> hi: >> thanks for answer.But in fact i set up a ramdisk of 30M with ext2 >> filesystem, and also copy the file(20M) in ext3 filesystem to ram disk.it will >> take 5-6 second.while in ext2 filesystem, only 1-2 second is taken.So i want >> to konw the reasons. thanks. > >Let's check that I understand this. Are you saying that >

Hi all, <p>I have read the the source code about codebook generation, but there are some puzzles: Where can I get a latticebuild description file? How does one choose reasonable value0..value n on the second line of the latticebuild description file(.ql) to latticebuild? Does the output (xxx.vqi) of the resvqtrain have some relationships to the latticebuild description file ? Thank

Hi all, <p>I have read the the source code about codebook generation, but there are some puzzles: Where can I get a latticebuild description file? How does one choose reasonable value0..value n on the second line of the latticebuild description file(.ql) to latticebuild? Does the output (xxx.vqi) of the resvqtrain have some relationships to the latticebuild description file ? Where can I

I''ve got the basics of acts_as_taggable going, but I now want to use :clear => true on the tags method, because the tags I''m supplying as parameters are the complete set of tags for the item, not additions to existing tags. Problem is, that gives me a nasty SQL error ... Unknown column ''id'' in ''where clause'': UPDATE items_tags SET

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