大约有 2,500 项符合查询结果（耗时：0.0170秒） [XML]
Google Maps V3 - How to calculate the zoom level for a given bounds
...{
return floor(Math.log(mapPx / worldPx / fraction) / Math.log(2.0))
}
val ne = bounds.northeast;
val sw = bounds.southwest;
val latFraction = (latRad(ne.latitude) - latRad(sw.latitude)) / Math.PI;
val lngDiff = ne.longitude - sw.longitude;
...
Why is XOR the default way to combine hashes?
... long) ((1.0L/3.14159265358979323846264338327950288419716939937510L)*(powl(2.0L,64.0L))) << std::endl; with cout.precision( numeric_limits<long double>::max_digits10 ); Thanks again Yakk.
– Dave
Nov 4 '15 at 4:22
...
Which is generally best to use — StringComparison.OrdinalIgnoreCase or StringComparison.InvariantCul
...ion.
From MSDN's "New Recommendations for Using Strings in Microsoft .NET 2.0"
Summary: Code owners previously using the InvariantCulture for string comparison, casing, and sorting should strongly consider using a new set of String overloads in Microsoft .NET 2.0. Specifically, data that is des...
What are the differences between django-tastypie and djangorestframework? [closed]
...orth noting that this was still a few months before the big REST framework 2.0 release).
Also a couple of threads on Reddit with folks asking this same question, from Dec 2013 and July 2013.
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What's a good rate limiting algorithm?
... does not work because allowance will never grow to 1.0. But rate=1.0; per=2.0; works fine.
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How to avoid explicit 'self' in Python?
...0)**2/w**2 )
* (1+s*(x-x0)**2) + y0 )
g = MyFunkyGaussian(2.0, 1.5, 3.0, 5.0, 0.0)
print(g.calc1(0.5))
print(g.calc2(0.5))
print(g.calc3(0.5))
The third example - i.e. using for k in self.__dict__ : exec(k+'= self.'+k) is basically what the question is actually asking for, but let...
Is there a Java equivalent to C#'s 'yield' keyword?
... the yield generator in Java that is the closest implementation to what C# 2.0+ compilers do for yield return/break generation: lombok-pg. It's fully based on a state machine, and requires tight cooperation with javac to manipulate the source code AST. Unfortunately, the lombok-pg support seems to b...
Calculate the median of a billion numbers
...2 = numbers[numbers.length / 2];
double m = ((long) m1 + m2) / 2.0;
System.out.println("median = " + new DecimalFormat("#.#").format(m));
}
}
Output on my machine:
created array after 518 ms
initialized array after 10177 ms
sorted array after 102936 ms
median = 191...
Implementing slicing in __getitem__
...l documentation:
object.__getslice__(self, i, j)
Deprecated since version 2.0: Support slice objects as parameters to the __getitem__() method. (However, built-in types in CPython currently still implement __getslice__(). Therefore, you have to override it in derived classes when implementing slici...
Getting multiple keys of specified value of a generic Dictionary?
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An elegant solution, but this must work in 2.0. Duplicate values are unlikely but not impossible, returning a collection would be better.
– Dour High Arch
Nov 1 '08 at 1:20
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