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jquery select change event get selected option

I bound an event on the change event of my select elements with this: 9 Answers 9 ...
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What Does Question Mark Mean in Xcode Project Navigator?

In the project navigator in Xcode, I am not sure what the ? is trying to tell me next to the file name. 7 Answers ...
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How to handle Back button with in the dialog?

I am developing an application that when the button is pressed, it opens a dialog with OK and Cancel buttons. 8 Answers ...
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How to get the original value of an attribute in Rails

is there a way to get the original value that an ActiveRecord attribute (=the value that was loaded from the database)? 4 A...
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How to compare dates in datetime fields in Postgresql?

I have been facing a strange scenario when comparing between dates in postgresql(version 9.2.4 in windows). I have a column in my table say update_date with type 'timestamp without timezone'. Client can search over this field with only date (i.e: 2013-05-03) or date with time (i.e: 2013-05-03 12:20:...
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Set default CRAN mirror permanent in R

How can I set a specific CRAN mirror permanently in R? 1 Answer 1 ...
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Convert an NSURL to an NSString

I have an app where the user can choose an image either from the built-in app images or from the iphone photo library. I use an object Occasion that has an NSString property to save the imagePath . ...
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What events does an fire when it's value is changed?

Just wondering whether anyone knows what events an HTML5 <input type="number" /> element fires when its up / down arrows are clicked: ...
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How can I start PostgreSQL server on Mac OS X?

I had forgotten to run the initdb command. 33 Answers 33 ...
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How Should I Declare Foreign Key Relationships Using Code First Entity Framework (4.1) in MVC3?

I have been searching for resources on how to declare foreign key relationships and other constraints using code first EF 4.1 without much luck. Basically I am building the data model in code and using MVC3 to query that model. Everything works via MVC which is great (kudos to Microsoft!) but now I ...