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What is the Comonad typeclass in Haskell?
What is the Comonad typeclass in Haskell? As in Comonad from Control.Comonad in the comonad package (explanations of any other packages that provide a Comonad typeclass are also welcome). I've vaguely heard about Comonad, but all I really know about it is that is provides extract :: w a -> a ,...
Why is “except: pass” a bad programming practice?
...except: pass is discouraged. Why is this bad? Sometimes I just don't care what the errors are and I want to just continue with the code.
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sometimes my file just freezes in my vi |vim, what happened?
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If, for whatever reason -- you globally remapped ("inactivated") Ctrl-Q (e.g. to avoid accidentally quitting Firefox), adding stty -ixon to your ~/.bashrc enables Ctrl-q in terminals. In my case, Ctrl-s was freezing Vim and I could n...
What is the difference between “long”, “long long”, “long int”, and “long long int” in C++?
...een the specifier and the type. The specifier is how you tell the compiler what the type is but you can use different specifiers to end up at the same type.
Hence long on its own is neither a type nor a modifier as your question posits, it's simply a specifier for the long int type. Ditto for long ...
PHP Function Comments
..., even next click is not giving me an answer, the next answer is perfectly what I am looking for.
– Dheeraj Thedijje
Dec 17 '19 at 5:46
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How to affect other elements when one element is hovered
What I want to do is when a certain div is hovered, it'd affect the properties of another div .
6 Answers
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How to set DOM element as the first child?
...a sudden, I find out that the next element should be the first child of E. What's the trick, how to do it? Method unshift doesn't work because E is an object, not array.
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How do I pipe or redirect the output of curl -v?
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What information are you actually trying to extract, and what information do you want to throw away. I understood your question to mean that you want all of the output of -v directed to stdout.
– Single...
What is the 'page lifecycle' of an ASP.NET MVC page, compared to ASP.NET WebForms?
What is the 'page lifecycle' of an ASP.NET MVC page, compared to ASP.NET WebForms?
1 Answer
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Maximum single-sell profit
...no profit. Otherwise, split the array into two halves. If we think about what the optimal answer might be, it must be in one of three places:
The correct buy/sell pair occurs completely within the first half.
The correct buy/sell pair occurs completely within the second half.
The correct buy/sel...