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How to determine when Fragment becomes visible in ViewPager

Problem: Fragment onResume() in ViewPager is fired before the fragment becomes actually visible. 26 Answers ...
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How to analyze a java thread dump?

...and more about java, especially about memory management and threads. For this reason I have recently found interest in looking at thread dumps. ...
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Any reason to write the “private” keyword in C#?

As far as I know, private is the default everywhere in C# (meaning that if I don't write public , protected , internal , etc. it will be private by default). (Please correct me if I am wrong.) ...
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How are 3D games so efficient? [closed]

There is something I have never understood. How can a great big PC game like GTA IV use 50% of my CPU and run at 60fps while a DX demo of a rotating Teapot @ 60fps uses a whopping 30% ? ...
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Calling Java varargs method with single null argument?

... arg[0] and arg[1] as null s. But if I call foo(null) , arg itself is null. Why is this happening? 6 Answers ...
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Why is NaN not equal to NaN? [duplicate]

...number) and prescribes that NaN should compare as not equal to itself. Why is that? 6 Answers ...
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How to get UITableView from UITableViewCell?

I have a UITableViewCell which is linked to an object and I need to tell if the cell is visible. From the research I've done, this means I need to somehow access the UITableView that contains it (from there, there are several ways to check if it's visible). So I'm wondering if UITableViewCell ...
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What's the difference between @Component, @Repository & @Service annotations in Spring?

... From Spring Documentation: The @Repository annotation is a marker for any class that fulfils the role or stereotype of a repository (also known as Data Access Object or DAO). Among the uses of this marker is the automatic translation of exceptions, as described in Exceptio...
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Why is auto_ptr being deprecated?

I heard auto_ptr is being deprecated in C++11. What is the reason for this? 5 Answers ...
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Checking if a variable is not nil and not zero in ruby

I am using the following code to check if a variable is not nil and not zero 18 Answers ...