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How can I remove the string “\n” from within a Ruby string?

...quote marks behave differently. Double quotes " allow character expansion and expression interpolation ie. they let you use escaped control chars like \n to represent their true value, in this case, newline, and allow the use of #{expression} so you can weave variables and, well, pretty much any ru...
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How can I add an item to a SelectList in ASP.net MVC

...nsert an item at the beginning of a SelectList with the default value of 0 and the Text Value of " -- Select One --" 13 Ans...
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ListView item background via custom selector

... I've been frustrated by this myself and finally solved it. As Romain Guy hinted to, there's another state, "android:state_selected", that you must use. Use a state drawable for the background of your list item, and use a different state drawable for listSelecto...
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Change from SQLite to PostgreSQL in a fresh Rails project

I have a rails app that's databases are in SQLite (The dev and production). Since I am moving to heroku, I want to convert my database to PostgreSQL. ...
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Spring @PropertySource using YAML

... @Jan Galinski you can try my answer,it`s easy to use,and it works well on my prod env.stackoverflow.com/questions/21271468/… – Forest10 Dec 4 '19 at 3:54 ...
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How to convert a Bitmap to Drawable in android?

...BitmapDrawable From the documentation: A Drawable that wraps a bitmap and can be tiled, stretched, or aligned. You can create a BitmapDrawable from a file path, an input stream, through XML inflation, or from a Bitmap object. ...
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Efficient list of unique strings C#

...g a dictionary may be best inserting strings by writing dict[str] = false; and enumerating through the keys as a list. Is that a good solution? ...
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How to get device make and model on iOS?

... was wondering if it's possible to detect/know if I have an iPhone 3GS vs. and iPhone 4 vs. an iPhone 4S (in actuality, all I really want to do is determine if I have a 3G or not, because I'm doing fairly graphics intensive stuff) . ...
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Will using goto leak variables?

... it true that goto jumps across bits of code without calling destructors and things? 1 Answer ...
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How to shut down the computer from C#

...ower button to boot back up draws about 80-85 milliamps, rather than the standard 300+ish. Will post back here if I find out why. This should not affect most users. – samuelesque Feb 27 '14 at 21:29 ...