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How to remove all callbacks from a Handler?

I have a Handler from my sub-Activity that was called by the main Activity . This Handler is used by sub-classes to postDelay some Runnables, and I can't manage them. Now, in the onStop event, I need to remove them before finishing the Activity (somehow I called finish() , but it still call ...
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Specialization with Constraints

I'm having problems getting GHC to specialize a function with a class constraint. I have a minimal example of my problem here: Foo.hs and Main.hs . The two files compile (GHC 7.6.2, ghc -O3 Main ) and run. ...
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C# static class constructor

Is there a work around on how to create a constructor for static class? 6 Answers 6 ...
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Is there a way to change context to iframe in javascript console?

I would like to change the context of the javascript executed in the webkit developer tool/firebug console to execute its code like it is running from inside an iframe on the page. ...
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Convert an NSURL to an NSString

I have an app where the user can choose an image either from the built-in app images or from the iphone photo library. I use an object Occasion that has an NSString property to save the imagePath . ...
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Does the JVM prevent tail call optimizations?

I saw this quote on the question: What is a good functional language on which to build a web service? 5 Answers ...
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How to implement classic sorting algorithms in modern C++?

The std::sort algorithm (and its cousins std::partial_sort and std::nth_element ) from the C++ Standard Library is in most implementations a complicated and hybrid amalgamation of more elementary sorting algorithms , such as selection sort, insertion sort, quick sort, merge sort, or heap sort....
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SQL Developer is returning only the date, not the time. How do I fix this?

Here's what SQL Develoepr is giving me, both in the results window and when I export: 7 Answers ...
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Check if pull needed in Git

How do I check whether the remote repository has changed and I need to pull? 24 Answers ...
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Map Tiling Algorithm

I'm making a tile based RPG with Javascript, using perlin noise heightmaps, then assigning a tile type based on the height of the noise. ...