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Callback on CSS transition
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edited Jun 15 '19 at 6:45
Cœur
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How to avoid reinstalling packages when building Docker image for Python projects?
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4 Answers
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Entity Framework 4 Single() vs First() vs FirstOrDefault()
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answered Aug 14 '10 at 22:28
Steve WillcockSteve Willcock
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Double decimal formatting in Java
...oblems formatting the decimals of a double. If I have a double value, e.g. 4.0, how do I format the decimals so that it's 4.00 instead?
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Grouping functions (tapply, by, aggregate) and the *apply family
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R has m...
How do I deep copy a DateTime object?
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174
$date1 = new DateTime();
$date2 = new DateTime();
$date2->add(new DateInterval('P3Y'));
Upd...
Vim: Creating parent directories on save
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edited Sep 28 '12 at 12:44
answered Nov 27 '10 at 22:08
Z...
Homebrew install specific version of formula?
...ll a specific version of a formula in homebrew? For example, postgresql-8.4.4 instead of the latest 9.0.
27 Answers
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What's the algorithm to calculate aspect ratio?
...hat evenly divides both numbers. So the GCD for 6 and 10 is 2, the GCD for 44 and 99 is 11.
For example, a 1024x768 monitor has a GCD of 256. When you divide both values by that you get 4x3 or 4:3.
A (recursive) GCD algorithm:
function gcd (a,b):
if b == 0:
return a
return gcd (b,...
What is the difference between quiet NaN and signaling NaN?
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answered Aug 8 '13 at 5:41
wrdieterwrdieter
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