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What optimizations can GHC be expected to perform reliably?
...ee a full list of all the optimizations performed:
Specialise
The basic idea of specialization is to remove polymorphism and overloading by identifying places where the function is called and creating versions of the function that aren't polymorphic - they are specific to the types they are calle...
Code Golf: Collatz Conjecture
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Using jleedev's idea: c 1=[1];c n=n:(c$div(nmod2*(5*n+2)+n)2) - 41 characters, this uses the fact that this is k*(3n+1)+(1-k)*n/2 where k=n mod 2
– sdcvvc
Mar 6 '10 at 23:49
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How do I determine whether my calculation of pi is accurate?
...elf it isn't enough since it doesn't verify the conversion to base 10. The idea of using BBP + conversion check to eliminate the need for a second computation wasn't mine. It was first done by Fabrice Bellard in his 2009 world record. It was such a good idea that we did the same and improved upon it...
Fixed position but relative to container
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@Joseph any idea why position:fixed without specifying top or left sometimes works? Some browsers appear to default the element to where it would normally be, if it had normal positioning. stackoverflow.com/questions/8712047/…
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How to limit the maximum value of a numeric field in a Django model?
...e since you can specify a 'skip' parameter - range(1, 50, 2) - Interesting idea though...
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Using NumberPicker Widget with Strings
... This helped me! But it appears the value 0 and I can't remove it.. Any idea? To explain in my picker appears 0, Belgium, France, United Kingdom
– user4292106
Mar 18 '16 at 11:36
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How do you declare an interface in C++?
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It is generally a good idea to keep the keyword 'virtual' whenever overriding a virtual method. Though not required, it can make the code clearer - otherwise, you have no indication that that method could be used polymorphically, or even exists in ...
How to choose between Hudson and Jenkins? [closed]
...or so to work out Hudson has only branched recently (Jan/2011)
I have no idea how rapid the change of each branch is now, but more importantly, what is the direction each branch is taking and what are key points so one could make a choice between which to go with?
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Is there “Break on Exception” in IntelliJ?
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In IntelliJ IDEA 14 go to:
Run -> View Breakpoints -> Check "Java Exceptions Breakpoints" -> Uncheck "Caught Exceptions"
If you do not uncheck Caught Exceptions the execution will be stopped every time the Java Framework throw...
Is duplicated code more tolerable in unit tests?
... xUnit and others contain a 'message' argument in assert calls. Good idea to put meaningful phrases to allow devs to quickly find failed test results.
– seand
Mar 31 '12 at 2:12
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