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Time complexity of Sieve of Eratosthenes algorithm
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Your n/2 + n/3 + n/5 + … n/97 is not O(n), because the number of terms is not constant. [Edit after your edit: O(n2) is too loose an upper bound.] A loose upper-bound is n(1+1/2+1/3+1/4+1/5+1/6+…1/n) (sum of reciprocals of all numbers up to...
Generate random 5 characters string
I want to create exact 5 random characters string with least possibility of getting duplicated. What would be the best way to do it? Thanks.
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How to format a number 0..9 to display with 2 digits (it's NOT a date)
I'd like to always show a number under 100 with 2 digits (example: 03, 05, 15...)
5 Answers
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C++ preprocessor __VA_ARGS__ number of arguments
... PP_ARG_N(__VA_ARGS__)
#define PP_ARG_N( \
_1, _2, _3, _4, _5, _6, _7, _8, _9,_10, \
_11,_12,_13,_14,_15,_16,_17,_18,_19,_20, \
_21,_22,_23,_24,_25,_26,_27,_28,_29,_30, \
_31,_32,_33,_34,_35,_36,_37,_38,_39,_40, \
_41,_42,_43,_44,_45,_46,_47,_48,_49...
Less aggressive compilation with CSS3 calc
The Less compilers that I'm using ( OrangeBits and dotless 1.3.0.5 ) are aggressively translating
4 Answers
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Scala: what is the best way to append an element to an Array?
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stefanobaghino
7,94333 gold badges2525 silver badges4848 bronze badges
answered Sep 21 '11 at 12:57
tenshitenshi
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Is it possible to adjust x,y position for titleLabel of UIButton?
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button.titleEdgeInsets = UIEdgeInsetsMake(10.0, 10.0, 0.0, 0.0)
Swift 5
button.contentHorizontalAlignment = .left
button.contentVerticalAlignment = .top
button.titleEdgeInsets = UIEdgeInsets(top: 10.0, left: 10.0, bottom: 0.0, right: 0.0)
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How to get the index of a maximum element in a numpy array along one axis
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eumiroeumiro
165k2626 gold badges267267 silver badges248248 bronze badges
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