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What are the “standard unambiguous date” formats for string-to-date conversion in R?

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What is an idempotent operation?

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Ruby class types and case statements

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Run a batch file with Windows task scheduler

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How do i put a border on my grid in WPF?

... 215 If you just want an outer border, the easiest way is to put it in a Border control: <Border...
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Rails :dependent => :destroy VS :dependent => :delete_all

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R programming: How do I get Euler's number?

... 150 The R expression exp(1) represents e, and exp(2) represents e^2. This works because exp...
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Better way to set distance between flexbox items

...al question. – Chris Nicola Jul 24 '15 at 19:55 18 What about if order property set? :first-child...
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Calculating days between two dates with Java

...years properly. – Groovy Ed May 27 '15 at 0:20 3 TimeUnit.DAYS.convert(diff, TimeUnit.MILLISECOND...
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How to convert list of tuples to multiple lists?

... answered Nov 10 '11 at 15:03 Sven MarnachSven Marnach 446k100100 gold badges833833 silver badges753753 bronze badges ...