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What is the fastest way to get the value of π?
I'm looking for the fastest way to obtain the value of π, as a personal challenge. More specifically, I'm using ways that don't involve using #define constants like M_PI , or hard-coding the number in.
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How to vertically align elements in ?
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@akonsu - I changed it, though I didn't test it on anything other than FireFox. Let me know if it fits.
– Richard JP Le Guen
Aug 4 '10 at 13:24
1...
Timer & TimerTask versus Thread + sleep in Java
...s avoiding deadlocks etc.). And of course it is usually better to use well-tested standard code instead of some homemade solution.
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python's re: return True if string contains regex pattern
...h objects are always true, and None is returned if there is no match. Just test for trueness.
Code:
>>> st = 'bar'
>>> m = re.match(r"ba[r|z|d]",st)
>>> if m:
... m.group(0)
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'bar'
Output = bar
If you want search functionality
>>> st = "bar"
>>&...
Safe (bounds-checked) array lookup in Swift, through optional bindings?
...oth levels)
does not lead to problems for Sets
concise code
Here are some tests I ran for you:
let itms: [Int?] = [0, nil]
let a = itms[safe: 0] // 0 : Int??
a ?? 5 // 0 : Int?
let b = itms[safe: 1] // nil : Int??
b ?? 5 // nil : Int? (`b` contains a value and that value is `nil`)
let c = itms[safe...
Why exactly is eval evil?
...ike it's the right thing to do, then do it. Document the Hell out of it. Test the Hell out of it. Double-check correctness and security over and over and over again. But do it.
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What is the meaning of erb?
...e files which include many repetitions of a standard pattern, such as unit test suites.
The main component of ERB is a library which you can call within your Ruby applications and Rake tasks. This library accepts any string as a template, and imposes no limitations on the source of the template. You...
How to identify platform/compiler from preprocessor macros?
...cy (perhaps a little pedantic) : the first #if ask if defined, the others test for value. If would be more consistent to do #elif defined(__unix__) , etc, I think.
– leonbloy
Jan 26 '16 at 22:36
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Finding local maxima/minima with Numpy in a 1D numpy array
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if the input is test02=np.array([10,4,4,4,5,6,7,6]), then it does not work. It does not recognize the consecutive values as local minima.
– Leos313
Nov 24 '18 at 22:14
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Why can't I use a list as a dict key in python?
...std. dev. of 7 runs, 10000000 loops each)
As you can see, the membership test in our stupidlists_set is even slower than a linear scan over the whole lists_list, while you have the expected super fast lookup time (factor 500) in a set without loads of hash collisions.
TL; DR: you can use tuple(...