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Given two directory trees, how can I find out which files differ by content?
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You said Linux, so you luck out (at least it should be available, not sure when it was added):
diff --brief --recursive dir1/ dir2/ # GNU long options
diff -qr dir1/ dir2/ # common short options
Should do what you need.
If you also want to see differences f...
Detect current device with UI_USER_INTERFACE_IDIOM() in Swift
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definitely best solution, for me at least. Check for userInterfaceIdiom has a problem: if your app is for iPhone only but you launch app on iPad, userInterfaceIdiom is == .Phone
– Luca Davanzo
Jul 15 '15 at 8:07
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Is it possible to modify variable in python that is in outer, but not global, scope?
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No you cannot, at least in this way.
Because the "set operation" will create a new name in the current scope, which covers the outer one.
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Better way to check if a Path is a File or a Directory?
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Mind you need at least .NET 4.0 for this. Also this will explode if path is not a valid path.
– nawfal
Jun 21 '13 at 7:48
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JSON formatter in C#?
...en back into json) - really not the most efficient method, but that did at least work!
– benjymous
Apr 10 '15 at 13:11
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Create folder with batch but only if it doesn't already exist
...s I can tell from testing, and I'd be very surprised if it doesn't work at least back to XP and up to Windows 10. Can you provide the conditions when this doesn't work?
– jpmc26
Mar 10 '16 at 19:00
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String formatting: % vs. .format vs. string literal
...his doesn't answer the question. Another answer that mentions f-strings at least talks about performance: stackoverflow.com/a/51167833/7851470
– Georgy
Jun 17 '19 at 12:00
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How to identify server IP address in PHP
... server is formatted like a domain name (i.e. HOSTNAME=yahoo.com) then (at least on my php5.4/Centos6 setup) gethostbyname will skip straight to finding Yahoo.com's address rather than the local server's.
Furthermore, because gethostbyname falls back on public DNS records a testing server with unpu...
Creating a byte array from a stream
...st return the buffer. So the above code isn't quite optimised, but will at least be correct. It doesn't assume any responsibility for closing the stream - the caller should do that.
See this article for more info (and an alternative implementation).
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Any reason to write the “private” keyword in C#?
...nstance. C# does its visibility defaults the right way: Things are set to least visibility possible unless they're changed. From what I'm able to find, it appears the same is true for C++ (except structs). (It doesn't appear to be true for F#.)
– Ryan Lundy
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