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Why can a class not be defined as protected?

...ss.If you explain with example that will be great. – App Kart Feb 13 '15 at 4:17 When you declare class member as prot...
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Using a dispatch_once singleton model in Swift

I'm trying to work out an appropriate singleton model for usage in Swift. So far, I've been able to get a non-thread safe model working as: ...
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is it possible to evenly distribute buttons across the width of an android linearlayout

...o scale, not the views themselves). I'm using it vertically, and so just swapped the width and height values. Thanks. – samis Jan 15 '13 at 17:01 ...
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No secret option provided to Rack::Session::Cookie warning?

...e/session/abstract_store.rb module Compatibility def initialize(app, options = {}) options[:key] ||= '_session_id' #fixed warning - SECURITY WARNING: No secret option provided to Rack::Session::Cookie. options[:secret] ||= Rails.application.config.s...
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How to detect UI thread on Android?

...o detect if Thread.currentThread() is the Android system UI thread in an application? I would like to put some asserts in my model code that asserts that only one thread ( eg the ui thread) accesses my state, to assure that no kind of synchronization is necessary. ...
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How to resume Fragment from BackStack if exists

...removed and A is resumed. and pressing again back button should exit the app. But it is showing a blank window and need another press to close it. This is because the FragmentTransaction is being added to the back stack to ensure that we can pop the fragments on top later. A quick fix for this...
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android fragment- How to save states of views in a fragment when another fragment is pushed on top o

... it doesn't call onSaveInstanceState - why would it ? So, this approach doesn't work. – midnight Dec 29 '12 at 9:34 10 ...
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System.currentTimeMillis vs System.nanoTime

... values change. Differences in successive calls that span greater than approximately 292 years (263 nanoseconds) will not accurately compute elapsed time due to numerical overflow. For example, to measure how long some code takes to execute: long startTime = System.nanoTime(); // .....
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How to disable text selection highlighting

...nd it relys on JavaScript. Making a class and adding it to your element or applying the css to your type of element in your style-sheet is pretty bullet proof. – Blowsie Jan 14 '11 at 13:07 ...
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How can I get a web site's favicon?

Simple enough question: I've create a small app that is basically just a favourites that sits in my system tray so that I can open often-used sites/folders/files from the same place. Getting the default icons from my system for known file types isn't terribly complicated, but I don't know how to get...