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Get difference between 2 dates in JavaScript? [duplicate]

How do I get the difference between 2 dates in full days (I don't want any fractions of a day) 6 Answers ...
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Add an already existing directory to a directory in Solution Explorer

I want to add an already existing directory to a directory in Solution Explorer, but whenever I right-click on the directory and select Add => Existing Item , I can only add individual files, but not directories. ...
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How do I know if a generator is empty from the start?

Is there a simple way of testing if the generator has no items, like peek , hasNext , isEmpty , something along those lines? ...
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How to map a composite key with JPA and Hibernate?

In this code, how to generate a Java class for the composite key (how to composite key in hibernate): 8 Answers ...
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How to check a not-defined variable in JavaScript

I wanted to check whether the variable is defined or not. For example, the following throws a not-defined error 14 Answer...
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Convert a row of a data frame to vector

I want to create a vector out of a row of a data frame. But I don't want to have to row and column names. I tried several things... but had no luck. ...
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How and when to use ‘async’ and ‘await’

From my understanding one of the main things that async and await do is to make code easy to write and read - but is using them equal to spawning background threads to perform long duration logic? ...
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Is there a way to style a TextView to uppercase all of its letters?

I would like to be able to assign a xml attribute or style to a TextView that will make whatever text it has in ALL CAPITAL LETTERS. ...
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Verify a certificate chain using openssl verify

I'm building a own certificate chain with following componenents: 7 Answers 7 ...
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Send POST data on redirect with JavaScript/jQuery? [duplicate]

Basically what I want to do is send POST data when I change the window.location , as if a user has submitted a form and it went to a new page. I need to do it this way because I need to pass along a hidden URL, and I can’t simply place it in the URL as a GET for cosmetic reasons. ...