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Asynchronously wait for Task to complete with timeout

I want to wait for a Task<T> to complete with some special rules: If it hasn't completed after X milliseconds, I want to display a message to the user. And if it hasn't completed after Y milliseconds, I want to automatically request cancellation . ...
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Class with single method — best approach?

Say I have a class that's meant to perform a single function. After performing the function, it can be destroyed. Is there any reason to prefer one of these approaches? ...
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Virtual functions and performance - C++

In my class design, I use abstract classes and virtual functions extensively. I had a feeling that virtual functions affects the performance. Is this true? But I think this performance difference is not noticeable and looks like I am doing premature optimization. Right? ...
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Best practices for copying files with Maven

I have config files and various documents that I want to copy from the dev environment to the dev-server directory using Maven2. Strangely, Maven does not seem strong at this task. ...
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How to edit log message already committed in Subversion?

Is there a way to edit the log message of a certain revision in Subversion? I accidentally wrote the wrong filename in my commit message which could be confusing later. ...
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What is the difference between association, aggregation and composition?

What is the difference between association, aggregation, and composition? Please explain in terms of implementation. 19 An...
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Non-static variable cannot be referenced from a static context

I've written this test code: 12 Answers 12 ...
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Build Eclipse Java Project from Command Line

Is there a way to compile an Eclipse-based Java project from the command line? 8 Answers ...
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What's the best way to parse command line arguments? [closed]

...iest , tersest , and most flexible method or library for parsing Python command line arguments? 15 Answers ...
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Singletons vs. Application Context in Android?

Recalling this post enumerating several problems of using singletons and having seen several examples of Android applications using singleton pattern, I wonder if it's a good idea to use Singletons instead of single instances shared through global application state (subclassing android.os.Applicat...