vcdiff

Diff Algorithm? [closed]

由 拈花ヽ惹草 提交于 2019-12-27 10:28:30
问题 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, arguments, polling, or extended discussion. If you feel that this question can be improved and possibly reopened, visit the help center for guidance. Closed 6 years ago . I've been looking like crazy for an explanation of a diff algorithm that works and is efficient. The closest I got is this link to RFC

Java SDCH compressor/decompressor

由 孤人 提交于 2019-12-25 14:51:40
问题 Someone knows a java library to decode/encode SDCH compression??? it has been created by Google and implemented in their Google Chrome web browser... so it will be a standard soon Some links about it: http://en.wikipedia.org/wiki/Shared_Dictionary_Compression_Over_HTTP http://google-opensource.blogspot.ie/2008/09/open-vcdiff-encoder-and-decoder-for-rfc.html Thanks! 回答1: SDCH is the name of the standard which applies the VCDIFF compression algorithm to HTTP. The web page lists implementations.

Java SDCH compressor/decompressor

由 ≡放荡痞女 提交于 2019-12-25 14:50:10
问题 Someone knows a java library to decode/encode SDCH compression??? it has been created by Google and implemented in their Google Chrome web browser... so it will be a standard soon Some links about it: http://en.wikipedia.org/wiki/Shared_Dictionary_Compression_Over_HTTP http://google-opensource.blogspot.ie/2008/09/open-vcdiff-encoder-and-decoder-for-rfc.html Thanks! 回答1: SDCH is the name of the standard which applies the VCDIFF compression algorithm to HTTP. The web page lists implementations.

Diff Algorithm? [closed]

由 跟風遠走 提交于 2019-11-26 11:01:21
I've been looking like crazy for an explanation of a diff algorithm that works and is efficient. The closest I got is this link to RFC 3284 (from several Eric Sink blog posts), which describes in perfectly understandable terms the data format in which the diff results are stored. However, it has no mention whatsoever as to how a program would reach these results while doing a diff. I'm trying to research this out of personal curiosity, because I'm sure there must be tradeoffs when implementing a diff algorithm, which are pretty clear sometimes when you look at diffs and wonder "why did the

Is the git binary diff algorithm (delta storage) standardized?

由 情到浓时终转凉″ 提交于 2019-11-26 00:33:34
问题 Git uses a delta compression to store objects that are similar to each-other. Is this algorithm standardized and used in other tools as well? Is there documentation describing the format? Is it compatible with xdelta/VCDIFF/RFC 3284? 回答1: I think the diff algo used for pack files was linked to one of the delta encoding out there: initially (2005) xdelta, and then libXDiff. But then, as detailed below, it shifted to a custom implementation. Anyway, as mentioned here: Git does deltification
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