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Canvas width and height in HTML5
...lurry pixelated zoom-in
// with each canvas pixel drawn showing as roughly 2x2 on screen
canvas.width = 400;
canvas.height = 300;
canvas.style.width = '800px';
canvas.style.height = '600px';
See this live example of a canvas that is zoomed in by 4x.
var c = document.getElementsByTagName('c...
Is there an expression for an infinite generator?
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edited Apr 24 '11 at 4:58
answered Apr 21 '11 at 3:41
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iPad keyboard will not dismiss if modal ViewController presentation style is UIModalPresentationForm
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edited Jan 24 '19 at 19:55
Greg Brown
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answered ...
How to get a vertical geom_vline to an x-axis of class date?
... a time series from and would like to draw a vertical line for years 1998, 2005 and 2010 for example. I tried with ggplot and qplot syntax, but still I either see no vertical line at all or the vertical line is drawn at the very first vertical grid and the whole series is shifted somewhat strang...
The Ruby %r{ } expression
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260
%r{} is equivalent to the /.../ notation, but allows you to have '/' in your regexp without ha...
View a list of recent documents in Vim
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203
Don't use a plugin, unless you want a nice menu. From Vim Documentation: Starting (or :help ol...
What is the easiest way to get current GMT time in Unix timestamp format?
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246
I would use time.time() to get a timestamp in seconds since the epoch.
import time
time.time...
PyLint, PyChecker or PyFlakes? [closed]
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2 Answers
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How to automatically reload a page after a given period of inactivity
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222
If you want to refresh the page if there is no activity then you need to figure out how to def...
How to delete a row by reference in data.table?
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125
Good question. data.table can't delete rows by reference yet.
data.table can add and delete co...