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When would you use a WeakHashMap or a WeakReference?

... answered Sep 30 '08 at 20:09 Jacob KrallJacob Krall 24.8k66 gold badges5757 silver badges7373 bronze badges ...
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Is there a performance impact when calling ToList()?

... | edited May 23 '17 at 12:18 Community♦ 111 silver badge answered Mar 20 '13 at 7:20 ...
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What is the difference between ? and Object in Java generics?

... | edited Aug 1 '13 at 8:27 Community♦ 111 silver badge answered Mar 24 '09 at 19:19 ...
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Why isn't Python very good for functional programming? [closed]

... 394 The question you reference asks which languages promote both OO and functional programming. Py...
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How to prevent buttons from submitting forms

... reason is this button has a default behavior of submit, as stated in the W3 specification as seen here: W3C HTML5 Button So you need to specify its type explicitly: <button type="button">Button</button> in order to override the default submit type. I just want to point out the reason w...
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How to detect incoming calls, in an Android device?

... 339 Here's what I use to do this: Manifest: <uses-permission android:name="android.permission...
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windows service vs scheduled task

... 53 Update: Nearly four years after my original answer and this answer is very out of date. Since T...
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Does Java have something like C#'s ref and out keywords?

... Joe White 84.2k5151 gold badges201201 silver badges318318 bronze badges answered May 10 '10 at 21:24 Mark ByersMark Byers 683k155...
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Design Patterns: Factory vs Factory method vs Abstract Factory

...| edited Jul 17 '16 at 14:35 jaco0646 9,26666 gold badges3939 silver badges5858 bronze badges answered O...
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Threading in a PyQt application: Use Qt threads or Python threads?

... +300 This was discussed not too long ago in PyQt mailing list. Quoting Giovanni Bajo's comments on the subject: It's mostly the same....