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Is there a way to make GHC provide the type class constraints of typed holes?
It would be nice if GHC would also tell me that the typed hole has the Show type class constraint.
3 Answers
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Understanding why Zipper is a Comonad
... question is popping up regularly in the top of the "unanswered" list, let me just copy my comment as an answer here - nothing considerably more constructive has appeared since a year ago anyway.
A List can be viewed as a comonad just as well (in multiple ways), while a Zipper can be cast as a mona...
Creating NSData from NSString in Swift
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@macdonjo yep, that API changed over time and now it returns an Optional<NSData>, which you need to unwrap before using
– Gabriele Petronella
Sep 21 '14 at 16:57
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Convert generator object to list for debugging [duplicate]
When I'm debugging in Python using IPython, I sometimes hit a break-point and I want to examine a variable that is currently a generator. The simplest way I can think of doing this is converting it to a list, but I'm not clear on what's an easy way of doing this in one line in ipdb , since I'm so n...
Multiple classes inside :not() [duplicate]
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how about not(.one, .three)? seems to work for me
– Diansheng
Mar 28 '17 at 8:57
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Telnet is not recognized as internal or external command [closed]
...l, "telnet" command is not recognized in Command Prompt. Could anyone help me to fix this?
5 Answers
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Apache not starting on MAMP Pro
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I updated to the latest...
maven command line how to point to a specific settings.xml for a single command?
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Do you mean the local cache ? Can be defined inside settings.xml or via command line -Dmaven.repo.local=$HOME/.my/other/repository
– khmarbaise
Mar 10 '16 at 8:53
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Opposite of push(); [duplicate]
...d help on this problem - 'What is the opposite of the JavaScript push(); method?'
2 Answers
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Swift equivalent of [NSBundle bundleForClass:[self class]]
...atter solution: Bundle(for: Foo.Bar.self) where Foo - your struct, Bar - some inner class.
– Vadim Bulavin
Apr 24 '17 at 13:37
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