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How can building a heap be O(n) time complexity?
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490
I think there are several questions buried in this topic:
How do you implement buildHeap so i...
How to decide font color in white or black depending on background color?
...and choose the corresponding text.
if (red*0.299 + green*0.587 + blue*0.114) > 186 use #000000 else use #ffffff
The threshold of 186 is based on theory, but can be adjusted to taste. Based on the comments below a threshold of 150 may work better for you.
Edit: The above is simple and works re...
How to prevent line break at hyphens on all browsers
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– derekerdmann
Jan 6 '12 at 14:29
18
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How to make DialogFragment width to Fill_Parent
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edited Sep 22 '16 at 13:49
answered Oct 5 '14 at 21:44
sa...
Linear Regression and group by in R
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49
Here's one way using the lme4 package.
library(lme4)
d <- data.frame(state=rep(c('NY', 'C...
Flexbox: center horizontally and vertically
...v class="flex-item">3</div>
<div class="flex-item">4</div>
</div>
</div>
See demo at: http://jsfiddle.net/audetwebdesign/tFscL/
Your .flex-item elements should be block level (div instead of span) if you want the height and top/bottom padding t...
Disable a Button
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edited Jan 24 '17 at 16:05
answered Aug 27 '14 at 10:26
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In C#, should I use string.Empty or String.Empty or “” to intitialize a string?
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edited Dec 22 '11 at 12:04
Otiel
16.9k1313 gold badges6868 silver badges119119 bronze badges
answered N...
Java: function for arrays like PHP's join()?
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edited Aug 26 '17 at 21:04
OneCricketeer
115k1212 gold badges7979 silver badges165165 bronze badges
ans...