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Don Hatch

Alameda, CA

Just discovered Project Euler (well okay, a year ago). It's more addictive than crack.

Me on projecteuler.net

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Top Questions
134 votes

how to get android screen size programmatically, once and for all?

android asked Jul 5, 2013 at 4:57
stackoverflow.com

75 votes

rationale for std::lower_bound and std::upper_bound?

c++ stl lower-bound upperbound asked May 8, 2014 at 23:47
stackoverflow.com

42 votes

Intuition as to why the orientation (of a 3D object) is not a conserved quantity?

newtonian-mechanics rotational-dynamics conservation-laws asked Feb 25, 2015 at 9:13
physics.stackexchange.com

34 votes

Is Android layout really exponentially hard?

android android-layout android-linearlayout asked Jul 5, 2013 at 17:07
stackoverflow.com

18 votes

Speed bump on <Esc>O (Insert to Normal to Insert new line above cursor)

insert-mode asked May 13, 2015 at 9:34
vi.stackexchange.com

14 votes

How to make xargs append trailing arguments with -n?

xargs asked Nov 30, 2017 at 14:00
stackoverflow.com

14 votes

How do you tell whether sys.stdin.readline() is going to block?

python asked Oct 19, 2018 at 13:19
stackoverflow.com

12 votes

what would a planetary orbit look like if gravity had constant magnitude?

differential-equations physics plane-curves classical-mechanics asked Jul 1, 2015 at 9:12
math.stackexchange.com

9 votes

How to find a symmetric matrix that transforms one ellipsoid to another?

linear-algebra statistics linear-transformations symmetric-matrices asked Jul 11, 2016 at 3:52
math.stackexchange.com

8 votes

can a convex polygon have only one boundary point at locally maximum distance from its centroid?

geometry polygons polyhedra polytopes centroid asked May 11, 2016 at 8:58
math.stackexchange.com

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Top Answers