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In Javascript, how to conditionally add a member to an object?

... In pure Javascript, I cannot think of anything more idiomatic than your first code snippet. If, however, using the jQuery library is not out of the question, then $.extend() should meet your requirements because, as the docu...
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ModelState.IsValid == false, why?

Where can I find the list of errors of which make the ModelState invalid? I didn't see any errors property on the ModelState object. ...
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Modify SVG fill color when being served as Background-Image

Placing the SVG output directly inline with the page code I am able to simply modify fill colors with CSS like so: 16 Answe...
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CSS technique for a horizontal line with words in the middle

I'm trying to make a horizontal rule with some text in the middle. For example: 24 Answers ...
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tmux set -g mouse-mode on doesn't work

I've been looking around and people say that putting 8 Answers 8 ...
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What is the most accurate way to retrieve a user's correct IP address in PHP?

..._SERVER variables headers available for IP address retrieval. I was wondering if there is a general consensus as to how to most accurately retrieve a user's real IP address (well knowing no method is perfect) using said variables? ...
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Converting file size in bytes to human-readable string

I'm using this function to convert a file size in bytes to a human-readable file size: 19 Answers ...
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IEnumerable to string [duplicate]

...stumbled across this before, but I have now and am surprised that I can't find a really easy way to convert an IEnumerable<char> to a string . ...
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Convert base-2 binary number string to int

I'd simply like to convert a base-2 binary number string into an int, something like this: 8 Answers ...
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Replace words in the body text

Is there a way to replace the normal text within a table element that is placed within the body of the HTML? 10 Answers ...