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Singleton: How should it be used

...'t happen. If it does, the correct response is to go home and sleep for 12-20 hours and hope you feel better. If only one object is needed, simply create one instance. If one object should be globally accessible, make it a global. But that doesn't mean it should be impossible to create other instan...
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Sending files using POST with HttpURLConnection

... article from the Android Developers Blog (android-developers.blogspot.com/2011/09/…) where they suggest using HTTPURLConnection over the Apache HTTPClient. Cheers! – Andrés Pachon Jan 18 '13 at 11:42 ...
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Learning Python from Ruby; Differences and Similarities

...the input list and resulting list exist in memory. See #4 here: igvita.com/2008/07/08/6-optimization-tips-for-ruby-mri – sml Jan 27 '11 at 17:11 ...
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What is recursion and when should I use it?

...ity. – Andreas Brinck Nov 28 '12 at 20:41 @SteveWortham: This isn't tail-recursive as written; length(list->next) s...
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What are the big improvements between guava and apache equivalent libraries?

... also almost 10 years old, and targets Java 1.4. Guava was open sourced in 2007, targets Java 5, and thus Guava greatly benefits from the Java 5 features: generics, varargs, enums, and autoboxing. According to the Guava developers, generics are one reason they chose to create a new library instead ...
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How to check whether a pandas DataFrame is empty?

... answered Aug 20 '15 at 13:50 fixxxerfixxxer 12.7k1414 gold badges5454 silver badges7373 bronze badges ...
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Should I return a Collection or a Stream?

...hammer. – Brian Goetz Jul 10 '14 at 20:07  |  show 17 more comments ...
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What is the difference between shallow copy, deepcopy and normal assignment operation?

... Phillip 1,8272020 silver badges3838 bronze badges answered Jun 22 '13 at 2:25 perrealperreal ...
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Why can't the C# constructor infer type?

...re near high enough on the list to actually get implemented. UPDATE March 2015 The proposed feature made it close enough to the top of the list for C# 6 to be specified and designed, but was then cut. share | ...
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What's the role of GetHashCode in the IEqualityComparer in .NET?

... 202 A bit of background first... Every object in .NET has an Equals method and a GetHashCode meth...