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C# 'is' operator performance

... I'm with Ian, you probably don't want to do this. However, just so you know, there is very little difference between the two, over 10,000,000 iterations The enum check comes in at 700 milliseconds (approx) The IS check comes in at 1000 milliseconds (approx) I personally wouldn't fix this pro...
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Detecting superfluous #includes in C/C++?

...ad, documentation) can find several categories of C++ problems, and it can now find superfluous #includes. There's also a Clang-based tool, include-what-you-use, that can do this. include-what-you-use can even suggest forward declarations (so you don't have to #include so much) and optionally clean...
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Is there any kind of hash code function in JavaScript?

...a duplicate check into push(). I don't have time to edit for this solution now, but I hope I'll remember to later. – eyelidlessness May 26 '09 at 13:24 8 ...
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When to use lambda, when to use Proc.new?

...ues on the next line return "Jason" end whowouldwin #=> "Jason" Now here's a Proc.new-created proc's return doing the same thing. You're about to see one of those cases where Ruby breaks the much-vaunted Principle of Least Surprise: def whowouldwin2 myproc = Proc.new {return "Freddy"}...
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Scala actors: receive vs react

...es something, a thread gets allocated to it, and it is initialized in it. Now, the initialization part is important. A receiving thread is expected to return something, a reacting thread is not. So the previous stack state at the end of the last react can be, and is, wholly discarded. Not needing t...
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Suppressing “warning CS4014: Because this call is not awaited, execution of the current method conti

... With C# 7 you can now use discards: _ = WorkAsync(); share | improve this answer | follow | ...
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Unable to find specific subclass of NSManagedObject

...ect Subclasses has been updated accordingly. The Data Model inspector has now two fields "Class" and "Module" for an entity: When you create a Swift managed object subclass for the entity, the "Module" field is set to "Current Product Module", and with this setting creating instances works both ...
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How and/or why is merging in Git better than in SVN?

... are not compared with their common ancestor. To mitigate this Subversion now stores meta data for branch and merge. That would solve all problems right? And oh, by the way, Subversion still sucks… On a centralized system, like subversion, virtual directories suck. Why? Because everyone has acc...
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Fastest way to list all primes below N

...tmp) )//const del_mult(tmptk[off], start, prime) # now we go back to top tk1, so we need to increase pos by 1 pos += 1 cpos = const * pos # 30k + 1 if tk1[pos]: prime = cpos + 1 p.append(prime) lastadded = 1 ...
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How to specify HTTP error code?

... This is all deprecated now, you should use res.sendStatus(401);. – Cipi Jun 16 '17 at 16:50 1 ...