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Easiest way to compare arrays in C#
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Martin Prikryl
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answered Jul 12 '10 at 22:25
Quartermeist...
How to check whether a pandas DataFrame is empty?
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edited Dec 15 '17 at 17:37
Dave Thomas
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answere...
Why did Bootstrap 3 switch to box-sizing: border-box?
I'm migrating my Bootstrap themes from v2.3.2 to v3.0.0 and one thing I noticed is that a lot of dimensions are calculated differently, due to the following styles in bootstrap.css.
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Emulate ggplot2 default color palette
...lt color palette for a desired number of colors. For example, an input of 3 would produce a character vector of HEX colors with these colors:
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Is it possible to get the iOS 5.1 SDK for Xcode 4.2 on Snow Leopard?
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213
+100
To get X...
Scala list concatenation, ::: vs ++
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325
Legacy. List was originally defined to be functional-languages-looking:
1 :: 2 :: Nil // a li...
How to get active user's UserDetails
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Preamble: Since Spring-Security 3.2 there is a nice annotation @AuthenticationPrincipal described at the end of this answer. This is the best way to go when you use Spring-Security >= 3.2.
When you:
use an older version of Spring-Security,
need to loa...
Apache Spark: The number of cores vs. the number of executors
...ry-mb and
yarn.nodemanager.resource.cpu-vcores, should probably be set to 63 *
1024 = 64512 (megabytes) and 15 respectively. We avoid allocating 100%
of the resources to YARN containers because the node needs some
resources to run the OS and Hadoop daemons. In this case, we leave a
gigabyte and a co...
How to change legend title in ggplot
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367
This should work:
p <- ggplot(df, aes(x=rating, fill=cond)) +
geom_density(alp...
How to randomize (or permute) a dataframe rowwise and columnwise?
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234
Given the R data.frame:
> df1
a b c
1 1 1 0
2 1 0 0
3 0 1 0
4 0 0 0
Shuffle row-wise:
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