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Android “Only the original thread that created a view hierarchy can touch its views.”

I've built a simple music player in Android. The view for each song contains a SeekBar, implemented like this: 27 Answers ...
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How can I find the last element in a List?

... IMHO this doesn't deserve to be the top answer, it reads terribly and leaves the chance for an error if count is zero. The CleanCode™ approach would be to use Last/LastOrDefault as mentioned below. – chillitom Dec 4 '13 at 18:04 ...
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How to resolve “must be an instance of string, string given” prior to PHP 7?

...Prior to PHP 7 type hinting can only be used to force the types of objects and arrays. Scalar types are not type-hintable. In this case an object of the class string is expected, but you're giving it a (scalar) string. The error message may be funny, but it's not supposed to work to begin with. Give...
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Clear back stack using fragments

I ported my Android app to honeycomb and I did a big refactor in order to use fragments. In my previous version, when I pressed the Home button I used to do a ACTIVITY_CLEAR_TOP in order to reset the back stack. ...
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What's the difference between a continuation and a callback?

...urrent-continuation of the first callcc contains another callcc it must be converted to continuation passing style: function cc(x_squared) { square(y, function cc(y_squared) { add(x_squared, y_squared, cont); }); } So essentially callcc logically converts the entire function body ...
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python's re: return True if string contains regex pattern

...ord contains bar, baz or bad." Other answers use the behavior of if - auto-converting the expression to its right to a bool. e.g. import re; rgx=re.compile(r'ba[rzd]'); rgx.search('foobar') => <re.Match object; span=(2, 5), match='bar'>, but if(rgx.search(w)): print('y') => y. Closest to...
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Why isn't std::initializer_list a language built-in?

It seems to me that it's quite an important feature of C++11 and yet it doesn't have its own reserved keyword (or something alike). ...
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How can we programmatically detect which iOS version is device running on? [duplicate]

I want to check if the user is running the app on iOS less than 5.0 and display a label in the app. 10 Answers ...
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How to handle code when app is killed by swiping in android?

If my app is running and i press home button, the app goes in background. Now if a long press the home button and kill the app by swiping it from the recent app list, none of the events like onPause() , onStop() or onDestroy() gets called rather the process is terminated. So if i want my servic...
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Is there a read-only generic dictionary available in .NET?

... +1 for posting complete code and not just a link, but I'm curious, what's the point of an empty constructor in a ReadOnlyDictionary? :-) – Samuel Neff Feb 22 '11 at 16:36 ...