A colleague asked me the following question the other day. In the following piece of code, how do you extract the gradient:
> x=5
> a = eval(deriv(~ x^3, "x"))
> a
[1] 125
attr(,"gradient")
x
[1,] 75
My answer was
> attr(a, "gradient")[1]
[1] 75
This syntax seems clunky to me. Is there a better way of extracting the gradien...
I'm using the CAGradientLayer method from this answer to set a gradient on my UITableViewCells.
However, for this table, I increased the height of the cells via tableView:heightForRowAtIndexPath:. My gradient layer now does not cover the full height of cell, but instead stops at the original height (see pic).
I tried setting the fra...
I'm trying to apply a gradient background to just one row in a XAML Silverlight grid that I've created.
I can do something like this without any trouble:
<Grid>
<Grid.Background>
<LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
<GradientStop Color="Black" Offset="0" />
<GradientStop Color="W...