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getting the screen density programmatically in android?

... 534 You can get info on the display from the DisplayMetrics struct: DisplayMetrics metrics = getRe...
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How to make execution pause, sleep, wait for X seconds in R?

...leep(x) proc.time() - p1 # The cpu usage should be negligible } testit(3.7) Yielding > testit(3.7) user system elapsed 0.000 0.000 3.704 share | improve this answer |...
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Error:(1, 0) Plugin with id 'com.android.application' not found

... Updated Answer (Apr. 10, 2020) Latest Gradle: 6.3 Version check: ./gradlew -v How to update: Set URL: ./gradlew wrapper --gradle-version=3.6.2 --distribution-type=all Update: ./gradlew wrapper Latest Android Gradle Plugin: 3.6.2 If you add the following code snippet to...
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How can I shift-select multiple checkboxes like GMail?

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Is it possible to use JS to open an HTML select to show its option list? [duplicate]

...| edited Jul 10 '18 at 10:31 answered Jan 10 '09 at 0:20 Ga...
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CSS3 Continuous Rotate Animation (Just like a loading sundial)

...pple style activity indicator (sundial loading icon) by using a PNG and CSS3 animation. I have the image rotating and doing it continuously, but there seems to be a delay after the animation has finished before it does the next rotation. ...
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Checking the equality of two slices

... 163 You need to loop over each of the elements in the slice and test. Equality for slices is not def...
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How to succinctly write a formula with many variables from a data frame?

... the . identifier. y <- c(1,4,6) d <- data.frame(y = y, x1 = c(4,-1,3), x2 = c(3,9,8), x3 = c(4,-4,-2)) mod <- lm(y ~ ., data = d) You can also do things like this, to use all variables but one (in this case x3 is excluded): mod <- lm(y ~ . - x3, data = d) Technically, . means all ...
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Spring 3 MVC accessing HttpRequest from controller

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validation custom message for rails 3

... | edited Mar 4 '15 at 3:20 Andrew Hendrie 5,08722 gold badges3434 silver badges6262 bronze badges an...