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getting the screen density programmatically in android?
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534
You can get info on the display from the DisplayMetrics struct:
DisplayMetrics metrics = getRe...
Flask SQLAlchemy query, specify column names
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Adversus
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answered Aug 21 '12 at 12:29
David McKeoneDavid McKeone
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Detect IF hovering over element with jQuery
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306
Original (And Correct) Answer:
You can use is() and check for the selector :hover.
var isHov...
What's a Good Javascript Time Picker? [closed]
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answered Jan 22 '09 at 7:13
Christian C. SalvadóChristian C. Salvadó
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XAMPP - Port 80 in use by “Unable to open process” with PID 4! 12
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362
Open a CMD prompt as administrator and execute the following command:
net stop was /y
Open...
map function for objects (instead of arrays)
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38 Answers
38
Active
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Split code over multiple lines in an R script
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edited Jun 13 '11 at 13:26
answered Jun 13 '11 at 11:55
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Group by multiple columns in dplyr, using string vector input
...e so:
data = data.frame(
asihckhdoydkhxiydfgfTgdsx = sample(LETTERS[1:3], 100, replace=TRUE),
a30mvxigxkghc5cdsvxvyv0ja = sample(LETTERS[1:3], 100, replace=TRUE),
value = rnorm(100)
)
# get the columns we want to average within
columns = names(data)[-3]
library(dplyr)
df1 <- data %...
Find an element in a list of tuples
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answered Feb 3 '10 at 12:10
Nadia AlramliNadia Alramli
94.1k3131 gold badges166166 silver badges149149 bronze badges
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