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What is a monad?
...seful for.
They are a pattern for chaining operations. It looks a bit like method chaining in object-oriented languages, but the mechanism is slightly different.
The pattern is mostly used in functional languages (especial Haskell uses them pervasively) but can be used in any language which support ...
Java 8: Where is TriFunction (and kin) in java.util.function? Or what is the alternative?
...ions, destructive and constructive.
While constructive function, as the name implies, constructs something, a destructive one destroys something, but not in the way you may think now.
For example, the function
Function<Integer,Integer> f = (x,y) -> x + y
is a constructive one.
As y...
Calling async method synchronously
I have an async method:
12 Answers
12
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What is the best way to conditionally apply a class?
... say you have an array that is rendered in a ul with an li for each element and a property on the controller called selectedIndex . What would be the best way to add a class to the li with the index selectedIndex in AngularJS?
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FFMPEG (libx264) “height not divisible by 2”
I am trying to encode a .mp4 video from a set of frames using FFMPEG using the libx264 codec.
7 Answers
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Inspect attached event handlers for any DOM element
...y way to view what functions / code are attached to any event for a DOM element? Using Firebug or any other tool.
7 Answers...
Configuration With Same Name Already Exists
...
Years has this plagued me. It only rears it's ugly head every couple years or so but, alas, a solution!! lol
– bbqchickenrobot
Mar 19 '14 at 2:32
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Where should @Service annotation be kept? Interface or Implementation?
...nnotation. I have ServiceI and ServiceImpl such that ServiceImpl implements ServiceI . I'm confused here as to where should I keep the @Service annotation.
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What is 'YTowOnt9'?
Our (PHP) framework sometimes renders hidden inputs with value YTowOnt9 . I can't find that string anywhere in the (huge) codebase, and can't figure out where it came from. I decided to Google for that particular string, and the result surprised me. Over half a million - kind of random - hits. I ...
Learning Regular Expressions [closed]
I don't really understand regular expressions. Can you explain them to me in an easy-to-follow manner? If there are any online tools or books, could you also link to them?
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