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Difference between wait and sleep

...| edited Oct 9 '17 at 13:14 arc 3,65444 gold badges2727 silver badges3737 bronze badges answered Nov 8 '...
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Why do I get the error “Unsafe code may only appear if compiling with /unsafe”?

... 4 I must say, even though that does enable the build to compile, it still doesn't allow it to get published to the web :/ ...
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How do I make a list of data frames?

...nt you're working in: d1 <- data.frame(y1 <- c(1, 2, 3), y2 <- c(4, 5, 6)) y1 # [1] 1 2 3 y2 # [1] 4 5 6 This won't have the seemingly desired effect of creating column names in the data frame: d1 # y1....c.1..2..3. y2....c.4..5..6. # 1 1 4 # 2 ...
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Why can't I center with margin: 0 auto?

... | edited Jun 9 '14 at 7:36 Mankarse 36.5k99 gold badges8383 silver badges136136 bronze badges a...
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sqlite alter table add MULTIPLE columns in a single statement

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Change UICollectionViewCell size on different device orientations

... | edited Mar 20 '14 at 22:50 answered Dec 1 '12 at 5:10 ...
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Determine the data types of a data frame's columns

...st few values of each variable): str(my.data) 'data.frame': 5 obs. of 4 variables: $ y : num 1.03 1.599 -0.818 0.872 -2.682 $ x1: int 1 2 3 4 5 $ x2: logi TRUE TRUE FALSE FALSE FALSE $ X3: Factor w/ 5 levels "a","b","c","d",..: 1 2 3 4 5 @Gavin Simpson's approach is also streamlined, but p...
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Why specify @charset “UTF-8”; in your CSS file?

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git discard all changes and pull from upstream

... Eric WalkerEric Walker 5,96433 gold badges3030 silver badges3838 bronze badges ...
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Difference between Activity and FragmentActivity

... | edited Feb 24 '19 at 5:53 answered May 7 '12 at 7:06 ...