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How to create a HashMap with two keys (Key-Pair, Value)?
...arely you are out of this bounds.
Third, when implementing equals() also know what it is used for and be aware of how you create your keys, since they are objects. Often you do unnecessary if statements cause you will always have the same result.
If you create keys like this: map.put(new Key(x,y),...
Is main() really start of a C++ program?
... @AdamDavis: I don't remember what my concern was. I can't think of one now.
– Lightness Races in Orbit
Dec 15 '16 at 21:37
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See what process is using a file in Mac OS X
...a file and see which process is touching that file. Is that possible? I know that I can see the list of open processes in activity monitor but I think it's happening to quickly for me to see it. The reason for this is I'm using a framework and I think the system version of the framework is being ...
What's the difference between “declare class” and “interface” in TypeScript
...ave type safety when using the declared object, as the Typescript compiler now knows that some other component may provide that variable.
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How does a garbage collector avoid an infinite loop here?
...osoft might have tweaked the actual numbers or even the whole algorithm by now. Se blog.stephencleary.com/2009/08/finalizers-at-process-exit.html
– Lasse V. Karlsen
Jul 9 '14 at 19:52
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How do I check if a string is a number (float)?
...NaN')
nan
Otherwise, I should actually thank you for the piece of code I now use extensively. :)
G.
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What is the 'pythonic' equivalent to the 'fold' function from functional programming?
...better way to write your foldr: reduce(lambda y, x: x**y, reversed(a)). It now has a more natural usage, works with iterators, and consumes less memory.
– Mateen Ulhaq
Oct 20 '18 at 2:12
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Unicode, UTF, ASCII, ANSI format differences
...e encoded as surrogate pairs. These used to be relatively rarely used, but now many consumer applications will need to be aware of non-BMP characters in order to support emojis.
UTF-8: Variable length encoding, 1-4 bytes per code point. ASCII values are encoded as ASCII using 1 byte.
UTF-7: Usually ...
Can someone explain the traverse function in Haskell?
... [1..3]?
We get the partial results of [1], [2,2] and [3,3,3] using rep. Now the semantics of lists as Applicatives is "take all combinations", e.g. (+) <$> [10,20] <*> [3,4] is [13,14,23,24].
"All combinations" of [1] and [2,2] are two times [1,2]. All combinations of two times [1,2...
Return number of rows affected by UPDATE statements
... OUTPUT INSERTED.* INTO @temp
WHERE
StartTime > '2009 JUL 09'
-- now get the count of affected records
SELECT COUNT(*) FROM @temp
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