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R - Concatenate two dataframes?

... Clearer and easier than hacking in extra columns just to please rbind; this is the right way forward. Avoiding extremely common packages like plyr when it offers the right tools for the job is simply not sensible. – Jack Aidley ...
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get UTC time in PHP

... the first parameter to get the current time. It now says you should use a string of 'now'. – PaulSkinner May 18 '18 at 11:53 ...
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What's the best CRLF (carriage return, line feed) handling strategy with Git?

...[ Optional ] set core.safecrlf to true (to stop) or warn (to sing:) to add extra guard comparing if the reversed newline transformation would result in the same file git config --global core.safecrlf true B. Or per Repository Setup 1) Convert all to one format find . -type f -not -path "./.gi...
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Safe (bounds-checked) array lookup in Swift, through optional bindings?

...sign choice made by the Swift developers. Take your example: var fruits: [String] = ["Apple", "Banana", "Coconut"] var str: String = "I ate a \( fruits[0] )" If you already know the index exists, as you do in most cases where you use an array, this code is great. However, if accessing a subscript...
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Do Java arrays have a maximum size?

...5. Once you go beyond that: public class Foo { public static void main(String[] args) { Object[] array = new Object[Integer.MAX_VALUE - 4]; } } You get: Exception in thread "main" java.lang.OutOfMemoryError: Requested array size exceeds VM limit ...
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What is the Scala identifier “implicitly”?

...erson, using a type class based approach: trait Show[T] { def show(t: T): String } object Show { implicit def IntShow: Show[Int] = new Show[Int] { def show(i: Int) = i.toString } implicit def StringShow: Show[String] = new Show[String] { def show(s: String) = s } def ShoutyStringShow: Show[S...
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Including non-Python files with setup.py

...long. So, I just added these two lines to the setup call on "setup.py". No extra installs or import required: setup_requires=['setuptools_scm'], include_package_data=True, No need to manually list package_data, or in a MANIFEST.in file - if it is versioned, it is included in the package. Th...
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Redirect stderr and stdout in Bash

... An extra hint: If you use this in a script, make sure it starts with #!/bin/bash rather than #!/bin/sh, since in requires bash. – Tor Klingberg Oct 1 '13 at 17:47 ...
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python pip: force install ignoring dependencies

...hon packaging tools: distutils, setuptools, pip. Setuptools (and pip) has "extras", but they must be explicitly selected and installed by the user. – shadowtalker Oct 18 '18 at 19:51 ...
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Prevent body scrolling but allow overlay scrolling

...ts from being scrollable, too. Have not found any solution so far (without extra plugIns) – Garavani Sep 4 '14 at 7:12 22 ...