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R object identification

I am often ending up with a function producing output for which I don't understand the output data type. I'm expecting a list and it ends up being a list of lists or a data frame or something else. What's a good method or workflow for figuring out the output data type when first using a function? ...
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How to show current time in JavaScript in the format HH:MM:SS?

Can you please tell me how to set time in this format HH:MM:SS .I want to set that this in an div ? 11 Answers ...
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Access object child properties using a dot notation string [duplicate]

I'm temporarily stuck with what appears to be a very simple JavaScript problem, but maybe I'm just missing the right search keywords! ...
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Recommended date format for REST GET API

What's the recommended timestamp format for a REST GET API like this: 5 Answers 5 ...
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Requests — how to tell if you're getting a 404

I'm using the Requests library and accessing a website to gather data from it with the following code: 1 Answer ...
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How do you pass arguments to define_method?

I would like to pass an argument(s) to a method being defined using define_method, how would I do that? 4 Answers ...
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WPF Timer Like C# Timer

Where can I find a control which is like the C# Timer Control in WPF? 4 Answers 4 ...
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PHP namespaces and “use”

I am having a little trouble with namespaces and the use statements. 2 Answers 2 ...
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Python extending with - using super() Python 3 vs Python 2

Originally I wanted to ask this question , but then I found it was already thought of before... 5 Answers ...
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How to view the list of compile errors in IntelliJ?

I am looking for a way to view all compile errors in IntelliJ, similar to how they are displayed in Eclipse. I tried searching here and Google but have not really found a solution. I really like IntelliJ, I recently converted to it from Eclipse, and I hope this is just something I am missing and n...