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What is 'Context' on Android?

...it simply: As the name suggests, it's the context of current state of the application/object. It lets newly-created objects understand what has been going on. Typically you call it to get information regarding another part of your program (activity and package/application). You can get the context...
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How do I change the android actionbar title and icon

... android:label="My new title" /> To enable the back button in your app use: getActionBar().setHomeButtonEnabled(true); getActionBar().setDisplayHomeAsUpEnabled(true); The code should all be placed in your onCreate so that the label/icon changing is transparent to the user, but in realit...
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How to connect to my http://localhost web server from Android Emulator

...red Apr 27 '11 at 15:13 Primal PappachanPrimal Pappachan 23.3k1818 gold badges6363 silver badges8383 bronze badges ...
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How to fix Error: listen EADDRINUSE while using nodejs?

...d to that port. ps aux | grep node would show that. Instead of killing the application with CTRL+Z, exit the application with CTRL+C. This exits the application gracefully and the port binding is removed. – riser101 Dec 7 '15 at 10:29 ...
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What's the 'environment' task in Rake?

... the rake tasks are, and I found an empty task definition that depends on 'app:environment', but I can't find the definition of the app:environment task. github.com/rails/rails/blob/master/railties/lib/rails/tasks/… – odigity Jan 27 '15 at 20:18 ...
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Missing styles. Is the correct theme chosen for this layout?

...ditor. I changed from Holo to Theme and the layout displayed and error disappeared. share | improve this answer | follow | ...
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Reasons that the passed Intent would be NULL in onStartCommand

...e care to check for this." http://developer.android.com/reference/android/app/Service.html share | improve this answer | follow | ...
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Restoring state of TextView after screen rotation?

In my app I have TextView and EditText . Both have data in it. When the screen orientation changes the data in the EditText remains, but TextView data is cleared. ...
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Disabled UIButton not faded or grey

In my iPhone app, I have a UIButton which I have created in Interface Builder. I can successfully enable and disable it like this in my code ... ...
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What is Express.js?

...at Ruby on Rails or Sinatra is to Ruby. Express 3.x is a light-weight web application framework to help organize your web application into an MVC architecture on the server side. You can use a variety of choices for your templating language (like EJS, Jade, and Dust.js). You can then use a databas...