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How to implement the Android ActionBar back button?

... Selvin already posted the right answer. Here, the solution in pretty code: public class ServicesViewActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedI...
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Allow multi-line in EditText view in Android?

How to allow multi-line in Android's EditText view? 15 Answers 15 ...
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belongs_to through associations

Given the following associations, I need to reference the Question that a Choice is attached through from the Choice model. I have been attempting to use belongs_to :question, through: :answer to perform this action. ...
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Check if a string is null or empty in XSLT

... test="categoryName != ''" Edit: This covers the most likely interpretation, in my opinion, of "[not] null or empty" as inferred from the question, including it's pseudo-code and my own early experience with XSLT. I.e., "What is the equivalent of the following Java?": !(categoryName =...
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MySQL Great Circle Distance (Haversine formula)

I've got a working PHP script that gets Longitude and Latitude values and then inputs them into a MySQL query. I'd like to make it solely MySQL. Here's my current PHP Code: ...
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jQuery Data vs Attr?

What is the difference in usage between $.data and $.attr when using data-someAttribute ? 3 Answers ...
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SSH Private Key Permissions using Git GUI or ssh-keygen are too open

Recently I've been unable to clone or push to github, and I'm trying to find the root cause. 25 Answers ...
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How to check if a function exists on a SQL database

I need to find out if a function exists on a database, so that I can drop it and create it again. It should basically be something like the following code that I use for stored procedures: ...
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How to drop a table if it exists?

... Is it correct to do the following? IF EXISTS(SELECT * FROM dbo.Scores) DROP TABLE dbo.Scores No. That will drop the table only if it contains any rows (and will raise an error if the table does not exist). Instead, for a permanent tabl...
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How can I record a Video in my Android App.?

How can I capture a video recording on Android? 10 Answers 10 ...