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Java Enum definition

...? By making the type argument the new type itself. So if I've got an enum called StatusCode, it would be equivalent to: public class StatusCode extends Enum<StatusCode> Now if you check the constraints, we've got Enum<StatusCode> - so E=StatusCode. Let's check: does E extend Enum<S...
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Where to place and how to read configuration resource files in servlet based application?

... It's your choice. There are basically three ways in a Java web application archive (WAR): 1. Put it in classpath So that you can load it by ClassLoader#getResourceAsStream() with a classpath-relative path: ClassLoader classLoader = Thread.currentThread().ge...
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Write a program to find 100 largest numbers out of an array of 1 billion numbers

...gh the billion numbers, whenever you encounter a number greater than the smallest number in the queue (the head of the queue), remove the head of the queue and add the new number to the queue. EDIT: as Dev noted, with a priority queue implemented with a heap, the complexity of insertion to queue is...
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Is there a faster/shorter way to initialize variables in a Rust struct?

...s one additional statement for each field to assign a value to the fields. All I want to be able to do is to assign default values when the struct is instantiated. ...
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Java Reflection Performance

Does creating an object using reflection rather than calling the class constructor result in any significant performance differences? ...
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Difference between decimal, float and double in .NET?

...n a decimal form, and expect exact results in decimal representations; not all decimal numbers are exactly representable in binary floating point – 0.1, for example – so if you use a binary floating point value you'll actually get an approximation to 0.1. You'll still get approximations when usi...
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What's the difference between the various methods to get a Context?

...ion about contexts as well: In a regular Android application, you usually have two kinds of Context, Activity and Application. Reading the article a little bit further tells about the difference between the two and when you might want to consider using the application Context (Activity.get...
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How can I get Eclipse to show .* files?

... it somehow possible to only include the file named .gitignore but exclude all other files starting with .? – Edward Jan 8 '15 at 12:08 3 ...
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How can I generate Unix timestamps?

... BSD date supports also +%s. Probably universal, as date is normally defined in POSIX.2. – Dereckson Nov 5 '17 at 15:41 ...
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In Python, how do I determine if an object is iterable?

...e a method like isiterable ? The only solution I have found so far is to call 21 Answers ...