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How to have Android Service communicate with Activity

I'm writing my first Android application and trying to get my head around communication between services and activities. I have a Service that will run in the background and do some gps and time based logging. I will have an Activity that will be used to start and stop the Service. ...
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What's the difference between returning void and returning a Task?

...arious C# Async CTP samples I see some async functions that return void , and others that return the non-generic Task . I can see why returning a Task<MyType> is useful to return data to the caller when the async operation completes, but the functions that I've seen that have a return typ...
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How to make a JTable non-editable

...el. What exists is the method isCellEditable(int,int) which takes rowIndex and coulmnIndex as parameters. The user can selectively enable/disable editing for a particular row/column by overriding "isCellEditable" method or can use the default implementation to disable editing for all cells. ...
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Select datatype of the field in postgres

... So simple and nice! Now I can replace the current query that I found that is 310 characters (without the table name), 4 table join, not schema aware, expensive, and that gives 'int4' and others as types instead of integer. Thank you! ...
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Android Studio - How to increase Allocated Heap Size

I've been using Android Studio for 3 months now and one of the apps I started on it has become fairly large. The memory usage indicated at the bottom right of the program says my allocated heap is maxed at 494M. ...
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Need to handle uncaught exception and send log file

... Here's the complete solution (almost: I omitted the UI layout and button handling) - derived from a lot of experimentation and various posts from others related to issues that came up along the way. There are a number of things you need to do: Handle uncaughtException in your Appli...
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#pragma pack effect

...e could explain to me what the #pragma pack preprocessor statement does, and more importantly, why one would want to use it. ...
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Private and Protected Members : C++

Can someone enlighten me as to the difference between private and protected members in classes? 17 Answers ...
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What is the difference between Class.getResource() and ClassLoader.getResource()?

I wonder what the difference is between Class.getResource() and ClassLoader.getResource() ? 7 Answers ...
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How do you change the width and height of Twitter Bootstrap's tooltips?

... max-width doesn't work for me, but width does. Tested on Chrome and IE9. Any clue? – Rosdi Kasim Jul 24 '13 at 13:27 2 ...