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Why do we check up to the square root of a prime number to determine if it is prime?
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“Undefined reference to” template class constructor [duplicate]
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Get value from JToken that may not exist (best practices)
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svicksvick
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Prevent contenteditable adding on ENTER - Chrome
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Why java.util.Optional is not Serializable, how to serialize the object with such fields
...t Optional be Serializable?" The short answer is that the Java Lambda (JSR-335) expert group considered and rejected it. That note, and this one and this one indicate that the primary design goal for Optional is to be used as the return value of functions when a return value might be absent. The int...
Pry: show me the stack
...on <AbstractController::Base#process_action(method_name, *args)>
#3 [method] process_action <ActionController::Rendering#process_action(*arg1)>
<... clipped ...>
[2] pry(#<PostsController>)> up
Frame number: 1/64
Frame type: method
From: /Users/johnmair/.rvm/gems/ru...
How can I save an image to the camera roll?
I am new to Xcode (using 4.3) and am not sure how to save an image to the device's camera roll. All that I have done so far is set up an IBAction for the button to save the image. What library method or function can I use to save an image to the user's camera roll?
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ExecutorService that interrupts tasks after a timeout
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edited Feb 13 '17 at 14:43
Reaz Murshed
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How does Angular $q.when work?
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Calling $q.when takes a promise or any other type, if it is not a promise then it will wrap it i...