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Why is whitespace sometimes needed around metacharacters?

...ways) when I run it in a shell it doesn't start a fork bomb, but it just gives a syntax error. 5 Answers ...
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What exactly do the Vagrant commands do?

There is surprisingly no documentation on what the Vagrant commands do, other than references throughout the "getting started" tutorial. ...
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What's the difference between ngModel.$modelValue and ngModel.$viewValue

I have the following ckEditor directive. At the bottom are two variations that I have seen from examples on how to set the data in the editor: ...
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Turn off constraints temporarily (MS SQL)

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Haskell: Where vs. Let

I am new to Haskell and I am very confused by Where vs. Let . They both seem to provide a similar purpose. I have read a few comparisons between Where vs. Let but I am having trouble discerning when to use each. Could someone please provide some context or perhaps a few examples that demonstr...
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Where does the “flatmap that s***” idiomatic expression in Scala come from?

What is so powerful about flatmap that it deserves such a place in the Scala folklore? 4 Answers ...
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How can I convert a PFX certificate file for use with Apache on a linux server?

How can I convert a PFX certificate file for use with Apache on a linux server? 5 Answers ...
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Joda-Time: what's the difference between Period, Interval and Duration?

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java: Class.isInstance vs Class.isAssignableFrom

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Can someone explain collection_select to me in clear, simple terms?

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