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What is 'Currying'?

...like the add(3, 4) statement. The second statement defines a new function called add3 that will add 3 to its argument. This is what some people may call a closure. The third statement uses the add3 operation to add 3 to 4, again producing 7 as a result. ...
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Getting image dimensions without reading the entire file

...ative (drop the sign then). As for JPEG - 0xC0 isn't the only header. Basically all of 0xC0 to 0xCF except 0xC4 and 0xCC are valid headers (you can easily get them in interlaced JPGs). And, to make things more fun, height can be 0 and specified later in a 0xDC block. See w3.org/Graphics/JPEG/itu-t81...
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MySQL JOIN the most recent row only?

...d Sep 1 '10 at 14:37 Daniel VassalloDaniel Vassallo 301k6666 gold badges475475 silver badges424424 bronze badges ...
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Why JavaScript rather than a standard browser virtual machine?

...n the browser rather than requiring the use of a specialized language -- really, a specialized paradigm -- for client scripting only? ...
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Android encryption / decryption using AES [closed]

... @Maarten Bodewes I see your warnings all over the place, under manyt posts. Could you please provide a good solution instead? – Yar Mar 30 '18 at 12:27 ...
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What are sessions? How do they work?

... @user137717 yes that is a possibility if you allow access to the session to literally "every one that presents the correct session id". There are a number of restrictions you can put in place, one of the easiest and most common is to store the client IP in the session: ...
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How to vertically center a container in Bootstrap?

I'm looking for a way to vertically center the container div inside the jumbotron and to set it in the middle of the page. ...
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400 vs 422 response to POST of data

...h a "REST-like" API that I'm working on. Let's say I have a end point that allows POST'ing purchases in JSON format. It looks like this: ...
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Why we should not use protected static in java

...ackage and classes which extend me. The two meanings are not exactly mutually exclusive but it is pretty close. The only case I can see where you might use the two together is if you had an abstract class that was designed to be extended and the extending class could then modify the behavior usin...
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Applicatives compose, monads don't

...t a value in s can determine the behaviour of a computation in m t. Monads allow interference between the value and computation layers. The (<*>) operator allows no such interference: the function and argument computations don't depend on values. This really bites. Compare miffy :: Monad m =&...