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Grouping functions (tapply, by, aggregate) and the *apply family
...l coerce to a matrix first.
# Two dimensional matrix
M <- matrix(seq(1,16), 4, 4)
# apply min to rows
apply(M, 1, min)
[1] 1 2 3 4
# apply max to columns
apply(M, 2, max)
[1] 4 8 12 16
# 3 dimensional array
M <- array( seq(32), dim = c(4,4,2))
# Apply sum across each M[*, , ] - i.e Sum ...
Catch multiple exceptions at once?
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edited Nov 26 '16 at 1:53
Joe
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answered...
Difference between new and override
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rahulrahul
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5
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iPhone 5 CSS media query
...ia feature is device-aspect-ratio.
Note that the iPhone 5 does not have a 16:9 aspect ratio. It is in fact 40:71.
iPhone < 5:
@media screen and (device-aspect-ratio: 2/3) {}
iPhone 5:
@media screen and (device-aspect-ratio: 40/71) {}
iPhone 6:
@media screen and (device-aspect-ratio: 375/667) ...
Dealing with commas in a CSV file
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Corey TragerCorey Trager
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How can I record a Video in my Android App.?
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166
Here is a simple video recording example using the MediaRecorder:
public class VideoCapture e...
How to make a transparent UIWebView
...working.
– devinfoley
Aug 27 '12 at 16:53
this way works for 4.2.1 if you write these strings as code only. If you set...
What does {0} mean when initializing an object?
...0} gets used
– Branan
Sep 18 '08 at 16:11
10
Not quite.. In C++, if the first member cannot be ze...
How to add some non-standard font to a website?
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Hey guys, guess what? It's now almost 2016! It's now supported widely! Yay! Glad, I found this answer this late. Haha.
– jessica
Dec 17 '15 at 22:43
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How to get folder path for ClickOnce application
... crappy XP machines. :)
– Jalal
Dec 16 '12 at 7:27
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