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Why is there a `null` value in JavaScript?

...pt, there are two values which basically say 'I don't exist' - undefined and null . 12 Answers ...
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Enable remote connections for SQL Server Express 2012

.... I'm trying to connect to it from Visual Studio 2012 from my desktop PC, and repeatedly getting the well-known error: 17 ...
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What is the difference between Collections.emptyList() and Collections.EMPTY_LIST

In Java, we have Collections.emptyList() and Collections.EMPTY_LIST . Both have the same property: 4 Answers ...
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How can I keep Bootstrap popovers alive while being hovered?

I am using a Bootstrap popover to create a hover card showing user info, and I am triggering it on mouseover of a button. I want to keep this popover alive while the popover itself is being hovered, but it disappears as soon as the user stops hovering over the button. How can I do this? ...
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Git: cannot checkout branch - error: pathspec '…' did not match any file(s) known to git

...'m unable to checkout a branch that I had worked on earlier. See the commands below (note: co is an alias for checkout ): ...
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Difference between View and table in sql

What is the main difference between view and table in SQL. Is there any advantage of using views instead of tables. 7 Answe...
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form serialize javascript (no framework)

...cript without jquery or any framework that allows me to serialize the form and access the serialized version? 22 Answers ...
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XML Schema minOccurs / maxOccurs default values

I'm wondering how the XML Schema specification handles these cases: 4 Answers 4 ...
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Why would I make() or new()?

...ents dedicate many paragraphs to explaining the difference between new() and make() , but in practice, you can create objects within local scope and return them. ...
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How can I copy the content of a branch to a new local branch?

I have worked on a local branch and also pushed the changes to remote. I want to revert the changes on that branch and do something else on it, but I don't want to lose the work completely. I was thinking of something like create a new branch locally and copy the old branch there, then I can revert ...