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Replacing NAs with latest non-NA value
In a data.frame (or data.table), I would like to "fill forward" NAs with the closest previous non-NA value. A simple example, using vectors (instead of a data.frame ) is the following:
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UIView bottom border?
To a UIScrollView *toScrollView (which is the width of the screen), I want to add a gray bottom border (exactly like that of the to-field of the compose view of the iPhone's native Messages app).
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Prevent flicker on webkit-transition of webkit-transform [duplicate]
For some reason, right before my animation of the webkit-transform property occurs, there is a slight flicker. Here is what I am doing:
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Why is January month 0 in Java Calendar?
In java.util.Calendar , January is defined as month 0, not month 1. Is there any specific reason to that ?
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In javascript, is an empty string always false as a boolean?
in javascript,
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How to strip HTML tags from a string in SQL Server?
I've got data in SQL Server 2005 that contains HTML tags and I'd like to strip all that out, leaving just the text between the tags. Ideally also replacing things like < with < , etc.
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Auto-center map with multiple markers in Google Maps API v3
This is what I use to display a map with 3 pins/markers:
7 Answers
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[SOLVED] Can't send payload > 23bytes(MTU setted to 128bytes) - #9 by ...
:root {
--animation-state: paused;
}
/* user picked a theme where the "regular" scheme is dark */
/* user picked a theme a light scheme and also enabled a dark scheme */
/* deal with light scheme first */
@media (pref...
Gradients on UIView and UILabels On iPhone [duplicate]
My application needs to display text in either a UIView or UILabel but the back ground must be a gradient as opposed to a true UIColor . Using a graphics program to create desired look is no good as the text may vary depending on data returned from a server.
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Difference between variable declaration syntaxes in Javascript (including global variables)?
Is there any difference between declaring a variable:
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