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Fastest way to tell if two files have the same contents in Unix/Linux?
...e data or not. I do this a for a lot of files, and in my script the diff command seems to be the performance bottleneck.
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How can I see normal print output created during pytest run?
...as usual and display it when tests pass as well as fail. See stackoverflow.com/a/59156707/369977
– pR0Ps
Apr 7 at 12:43
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Design Pattern for Undo Engine
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Most examples I've seen use a variant of the Command-Pattern for this. Every user-action that's undoable gets its own command instance with all the information to execute the action and roll it back. You can then maintain a list of all the commands that have been execut...
What's the difference between the 'ref' and 'out' keywords?
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ref tells the compiler that the object is initialized before entering the function, while out tells the compiler that the object will be initialized inside the function.
So while ref is two-ways, out is out-only.
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Best way to create custom config options for my Rails app?
... You may need YAML::ENGINE.yamler = 'syck' for this to work stackoverflow.com/a/6140900/414220
– evanrmurphy
Mar 20 '12 at 21:59
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In mocha testing while calling asynchronous function how to avoid the timeout Error: timeout of 2000
...elying on timeouts are fragile, and all my tests run in a few ms, but I do come across the same issue when using sinon-test. Still use lambdas 99% of the time.
– oligofren
Jun 12 '17 at 22:01
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Python loop that also accesses previous and next values
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Why does comparing strings using either '==' or 'is' sometimes produce a different result?
...es are set to the value 'public' . In a conditional expression I have the comparison var1 is var2 which fails, but if I change it to var1 == var2 it returns True .
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Check if a program exists from a Makefile
...make seamlessly from the environment or other makefiles. Useful when cross-compiling.
– rickfoosusa
Sep 28 '15 at 14:31
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