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Difference between as.POSIXct/as.POSIXlt and strptime for converting character vectors to POSIXct/PO

...ks about how to convert character vectors to datetime classes. I often see 2 methods, the strptime and the as.POSIXct/as.POSIXlt methods. I looked at the 2 functions but am unclear what the difference is. ...
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What does the KEY keyword mean?

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How to check whether a file or directory exists?

... | edited Jun 7 at 20:09 vercetti 2577 bronze badges answered May 9 '12 at 6:23 ...
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Are nullable types reference types?

... | edited Nov 5 '18 at 22:58 Structed 18666 silver badges1818 bronze badges answered Jun 30 '10 at 12...
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Ansible: Set variable to file content

I'm using the ec2 module with ansible-playbook I want to set a variable to the contents of a file. Here's how I'm currently doing it. ...
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How can I output UTF-8 from Perl?

...'re welcome. See also another correct answer: stackoverflow.com/questions/627661/writing-perl-code-in-utf8/… and remember, TMTOWTDI. And @Paul - if you're writing UTF-8 to a file, you should probably use binmode() on that filehandle and make it "proper" UTF-8, but if it works.. ...
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What are some uses of decltype(auto)?

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Scala underscore - ERROR: missing parameter type for expanded function

... answered Oct 2 '11 at 15:09 retronymretronym 53k1010 gold badges149149 silver badges168168 bronze badges ...
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XSLT getting last element

... 297 You need to put the last() indexing on the nodelist result, rather than as part of the selecti...
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Defining a function with multiple implicit arguments in Scala

...is list must be the last one. def myfun(arg:String)(implicit p1: String, p2:Int)={} share | improve this answer | follow | ...