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What's the difference between Task.Start/Wait and Async/Await?

...r order, a friend walks in and sits down next to you and starts a conversation. Now you have two choices. You can ignore your friend until the task is complete -- you can wait until your soup arrives and do nothing else while you are waiting. Or you can respond to your friend, and when your friend s...
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Using comparison operators in Scala's pattern matching system

... You can add a guard, i.e. an if and a boolean expression after the pattern: a match { case 10 => println("ten") case x if x > 10 => println("greater than ten") case _ => println("less than ten") } Edit: Note that this is more than superficially differ...
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How can I safely encode a string in Java to use as a filename?

...ginal file, SHA-1 or any other hashing scheme is not the answer. If collisions must be avoided, then simple replacement or removal of "bad" characters is not the answer either. Instead you want something like this. (Note: this should be treated as an illustrative example, not something to copy an...
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How to display count of notifications in app launcher icon [duplicate]

samsung galaxy note 2 android version 4.1.2 5 Answers 5 ...
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What is null in Java?

...null is an instanceof. 15.20.2 Type Comparison Operator instanceof RelationalExpression: RelationalExpression instanceof ReferenceType At run time, the result of the instanceof operator is true if the value of the RelationalExpression is not null and the reference could be cast to the R...
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Android: Background Image Size (in Pixel) which Support All Devices

I am creating an Application which will run on all Android Devices. I want to create xhdpi Graphics for My App. My App is full screen. I am confused in Creating graphics. can any one tell me the best sizes of my background image in pixels. ...
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Regex Named Groups in Java

...package does not have support for named groups ( http://www.regular-expressions.info/named.html ) so can anyone point me towards a third-party library that does? ...
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Eclipse IDE for Java - Full Dark Theme

... of the way there with just the defaults they give you, and there are additional tweeks listed in the troubleshotting that can solve any remainging issues. – MrCeeJ Mar 25 '14 at 10:12 ...
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Xcode can only refactor C and Objective-C code. How to rename swift class name in Xcode 6?

I have created a new Single View Application Project in Xcode 6 beta version. I want to rename swift class from ViewController.swift to some other name. But when I select Refactor -> Rename, it gives error Xcode can only refactor C and Objective-C code . ...
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Concurrent.futures vs Multiprocessing in Python 3

... introduced Concurrent Futures , which appear to be some advanced combination of the older threading and multiprocessing modules. ...