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Shading a kernel density plot between two points.
I frequently use kernel density plots to illustrate distributions. These are easy and fast to create in R like so:
5 Answer...
Real mouse position in canvas [duplicate]
I'm trying to draw with the mouse over a HTML5 canvas, but the only way that it seems to work well is if the canvas is in the position 0,0 (upper left corner) if I change the canvas position, for some reason it doesn't draw like it should. Here is my code.
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How to simulate a click by using x,y coordinates in JavaScript?
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You can dispatch a click event, though this is not the same as a real click. For instance, it can't be used to trick a cross-domain iframe document into thinking it was clicked.
All modern browsers support document.elementFr...
Return multiple values in JavaScript?
I am trying to return two values in JavaScript . Is this possible?
20 Answers
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SQL is null and = null [duplicate]
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In SQL, a comparison between a null value and any other value (including another null) using a comparison operator (eg =, !=, <, etc) will result in a null, which is considered as false for the purposes of a where clause (strictly speaking, it's "not true", rather than ...
How do I delete unpushed git commits?
I accidentally committed to the wrong branch.
How do I delete that commit?
7 Answers
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Formula to determine brightness of RGB color
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Do you mean brightness? Perceived brightness? Luminance?
Luminance (standard for certain colour spaces): (0.2126*R + 0.7152*G + 0.0722*B) [1]
Luminance (perceived option 1): (0.299*R + 0.587*G + 0.114*B) [2]
Luminance (perceiv...
Max or Default?
What is the best way to get the Max value from a LINQ query that may return no rows? If I just do
17 Answers
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In c# is there a method to find the max of 3 numbers?
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Well, you can just call it twice:
int max3 = Math.Max(x, Math.Max(y, z));
If you find yourself doing this a lot, you could always write your own helper method... I would be happy enough seeing this in my code base once, but not ...
Concatenate two slices in Go
I'm trying to combine the slice [1, 2] and the slice [3, 4] . How can I do this in Go?
7 Answers
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