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21 questions
Newest Active Bountied Unanswered
12 votes
1 answer
503 views

I have created a DIFF implementation to compare document revisions at work. It is based on An O(ND) Difference Algorithm and Its Variations. One thing that has become important is to take the list ...
ptpaterson's user avatar
  • 179
10 votes
3 answers
1k views

Do sync programs like Dropbox typically track file changes by doing byte by byte comparisons, or using hashes, or using diff / keeping local commit logs like version control, or what?
mcandre's user avatar
  • 201
8 votes
4 answers
26k views

I'm reviewing my peer's code. I use SourceGear DiffMerge as my diff program, on a Windows environment. While I'm using the diff program, I can clearly see the code changes, etc. Is it possible to ...
Ron Klein's user avatar
  • 761
8 votes
3 answers
2k views

I decided to try to contribute Firefox development, and they use Mercurial for source control. In the documentation about using Mercurial it was advised to choose a diff program and to do it before ...
EpsilonVector's user avatar
  • 10.7k
7 votes
3 answers
1k views

I've patched a bug in some code that is no longer being supported by it's owner but I would like to provide this to other members of the community. A git.patch file technically contains copyright ...
Simon Stevens's user avatar
  • 173
5 votes
1 answer
3k views

I don't like ms diff that integrated into Visual Studio 2008 TFS Edition. Is it possible to change this file comparer to external one (Beyond Compare, for example)?
777's user avatar
  • 631
4 votes
1 answer
5k views

Both Android and iOS seem to support their application having a binary delta update. But how does it work? I build a binary program, neither of the distribution sites have the source code - how does ...
Ted Wong's user avatar
  • 1,579
4 votes
3 answers
935 views

Let's say I have procedure1() { --body of first procedure-- } Then I rename it into procedure2 and create a procedure1 above it: procedure1() { --body of second procedure-- } procedure2() { ...
Jay Lorn's user avatar
  • 41
4 votes
1 answer
1k views

Google has an advanced diff tool specifically designed for compiled binaries called Courgette. Is there any reason why they wouldn't use this in Android and the Google Play Store to download updates? ...
you786's user avatar
  • 171
4 votes
3 answers
162 views

I have a replicated database (not SQL, a triple store, but specifics should not matter too much) running on several hosts. Each of them holds a copy of the database which is updated by feeding from ...
StasM's user avatar
  • 3,367
4 votes
1 answer
233 views

I am dissatisfied with the file comparison tools I have worked with so far. While no tool would be able to always predict the line matchings that make best sense, at least current tools should be able ...
Pierre Lebeaupin's user avatar
  • 141
3 votes
3 answers
608 views

"Code review" (aka "peer review") seems like a really great idea, so my team started practicing it. For a little while it worked well, but then a co-worker merged a branch in, and asked for a review ...
machineghost's user avatar
  • 218
3 votes
2 answers
392 views

I've always assumed that the output from diff (typically "unified", whether or not it's colorized) is universally understood among most if not all text-based language programmers. Whether it's used ...
r2evans's user avatar
  • 346
3 votes
1 answer
162 views

So I was asking around the Mercurial development mailing list about binary diffing and patch handling and I got the following examples: whole file approaches (classic diff, bsdiff, Mercurial's ...
dukeofgaming's user avatar
  • 14k
2 votes
1 answer
192 views

You have the following situation: You have an SQL database containing two tables product and product_images You would like the user to be able to add, remove, or move around existing images They can ...
Mehdi Saffar's user avatar
  • 131

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