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Linq to Entities join vs groupjoin

... Behaviour Suppose you have two lists: Id Value 1 A 2 B 3 C Id ChildValue 1 a1 1 a2 1 a3 2 b1 2 b2 When you Join the two lists on the Id field the result will be: Value ChildValue A a1 A a2 A a3 B b1 B b2 When you GroupJoin the two l...
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Are HLists nothing more than a convoluted way of writing tuples?

... 144 Addressing questions one to three: one of the main applications for HLists is abstracting over...
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In C#, how do I calculate someone's age based on a DateTime type birthday?

... 61 Answers 61 Active ...
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Get value from JToken that may not exist (best practices)

... 214 This is pretty much what the generic method Value() is for. You get exactly the behavior you wa...
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Serializing object that contains cyclic object value

... 221 Use the second parameter of stringify, the replacer function, to exclude already serialized obje...
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How to enter a multi-line command

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How to extract numbers from a string and get an array of ints?

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vagrant up failed, /dev/vboxnetctl: no such file or directory

... I'm running macOS High Sierra 10.13.1 and VirtualBox 5.2.2. This worked for me: Grant permission to VirtualBox under System Preferences > Security & Privacy > General (this request is new to macOS High Sierra) Open Terminal and run: sudo "/Libr...
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How to fire AJAX request Periodically?

... 281 As others have pointed out setInterval and setTimeout will do the trick. I wanted to highlight a...
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:after vs. ::after

Is there any functional difference between the CSS 2.1 :after and the CSS 3 ::after pseudo-selectors (other than ::after not being supported in older browsers)? Is there any practical reason to use the newer specification? ...