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Any difference between First Class Function and High Order Function
...pass a function as an argument to another function. The latter function is now "higher order". It is a function that takes a function as an argument.
The canonical example is "map"
map :: (a -> b) -> [a] -> [b]
map f [] = []
map f (x:xs) = f x : map f xs
That is, it takes a function...
How does having a dynamic variable affect performance?
... that represents "there's going to be a dynamic call to Foo here".
OK, so now that you've got the call site, how does the invocation work?
The call site is part of the Dynamic Language Runtime. The DLR says "hmm, someone is attempting to do a dynamic invocation of a method foo on this here object....
What is the significance of ProjectTypeGuids tag in the visual studio project file
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Okay, now if I wanna create my own project (.myproj) with .xaml files in it, should I flavor the project file with that GUID ??
– sudarsanyes
May 26 '10 at 10:23
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What is the difference between “JPG” / “JPEG” / “PNG” / “BMP” / “GIF” / “TIFF” Image?
...Wikipedia page I referenced, and it supports RLE, PNG and JPEG. (I didn't know it supported PNG and JPEG content - learned something new!)
– coobird
Jan 8 '09 at 1:04
2
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Scala: What is a TypeTag and how do I use it?
All I know about TypeTags is that they somehow replaced Manifests. Information on the Internet is scarce and doesn't provide me with a good sense of the subject.
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What is the minimum valid JSON?
...carefully read the JSON description http://json.org/ but I'm not sure I know the answer to the simple question. What strings are the minimum possible valid JSON?
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RabbitMQ and relationship between channel and connection
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I think this reference to the Java Client API is now outdated and in fact today's reference directly contradicts the quote in this answer. Today's reference says "Channel instances must not be shared between threads".
– Edwin Dalorzo
J...
How to set dialog to show in full screen? [closed]
...he dialog, the whole screen is the dialog's background color. Does anyone know of a workaround? I tried setting the statusBarColor of the dialog's window, to no effect. P.S.: navigation bar color gets killed too.
– androidguy
Dec 22 '16 at 8:39
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Pointers vs. values in parameters and return values
...base interfaces or serializers need to append to a slice whose type isn't known at compile time. They sometimes accept a pointer to a slice in an interface{} parameter.
Maps, channels, strings, and function and interface values, like slices, are internally references or structures that contain ref...
Map vs Object in JavaScript
... track of size for an Object.
Use maps over objects when keys are unknown until run time, and when
all keys are the same type and all values are the same type.
Use objects when there is logic that operates on individual elements.
https://developer.mozilla.org/en-US/docs/Web/JavaScript...