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How to check whether a pandas DataFrame is empty?

...| edited Dec 15 '17 at 17:37 Dave Thomas 1,38922 gold badges1010 silver badges1616 bronze badges answere...
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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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Scala list concatenation, ::: vs ++

... 325 Legacy. List was originally defined to be functional-languages-looking: 1 :: 2 :: Nil // a li...
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Is it possible to get the iOS 5.1 SDK for Xcode 4.2 on Snow Leopard?

... 213 +100 To get X...
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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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Easiest way to compare arrays in C#

... Martin Prikryl 130k3232 gold badges294294 silver badges612612 bronze badges answered Jul 12 '10 at 22:25 Quartermeist...
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How to get active user's UserDetails

... 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...
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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...
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Responsive iframe using Bootstrap

... Option 1 With Bootstrap 3.2 you can wrap each iframe in the responsive-embed wrapper of your choice: http://getbootstrap.com/components/#responsive-embed <!-- 16:9 aspect ratio --> <div class="embed-responsive embed-responsive-16by9"> ...
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Django ManyToMany filter()

... 3 Answers 3 Active ...