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What does the `forall` keyword in Haskell/GHC do?
I'm beginning to understand how the forall keyword is used in so-called "existential types" like this:
8 Answers
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Python (and Python C API): __new__ versus __init__
The question I'm about to ask seems to be a duplicate of Python's use of __new__ and __init__? , but regardless, it's still unclear to me exactly what the practical difference between __new__ and __init__ is.
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Understanding implicit in Scala
I was making my way through the Scala playframework tutorial and I came across this snippet of code which had me puzzled:
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What is the difference between require() and library()?
What is the difference between require() and library() ?
8 Answers
8
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AngularJS - $anchorScroll smooth/duration
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Unfortunately this is not possible using $anchorScroll. As you discovered $anchorScroll doesn't have any options and doesn't work with $ngAnimate. In order to animate the scroll you would need to use your own service/factory or just stra...
No == operator found while comparing structs in C++
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In C++, structs do not have a comparison operator generated by default. You need to write your own:
bool operator==(const MyStruct1& lhs, const MyStruct1& rhs)
{
return /* your comparison code goes here */
}
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How to put individual tags for a scatter plot
I am trying to do a scatter plot in matplotlib and I couldn't find a way to add tags to the points. For example:
1 Answer
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What does void* mean and how to use it?
Today when I was reading others' code, I saw something like void *func(void* i); , what does this void* mean here for the function name and for the variable type, respectively?
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Should I use JSLint or JSHint JavaScript validation? [closed]
I am currently validating my JavaScript against JSLint and making progress on, it's assisting me to write better JavaScript - in particular in working with the Jquery library.
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Matplotlib Legends not working
Ever since upgrading matplotlib I get the following error whenever trying to create a legend:
4 Answers
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