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SQL select join: is it possible to prefix all columns as 'prefix.*'?
I'm wondering if this is possible in SQL. Say you have two tables A and B, and you do a select on table A and join on table B:
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Understanding Canvas and Surface concepts
...oning it to match where the SurfaceView appears in the containing window. If the surface is being placed behind the main window (in Z order), SurfaceView also fills its part of the main window with transparency so that the surface can be seen.
A Bitmap is just an interface to some pixel data. The ...
RESTful URL design for search
... Indeed this is correct as, per RFC3986, the path and querystring identify the resource. What's more, proper naming would simply be /cars?color=whatever.
– Lloeki
Jun 1 '12 at 12:23
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How can I avoid running ActiveRecord callbacks?
...n :do_something_else
skip_callback :validation, :before, :do_something, if: :skip_some_callbacks
skip_callback :validation, :after, :do_something_else, if: :skip_some_callbacks
end
person = Person.new(person_params)
person.skip_some_callbacks = true
person.save
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How to return a part of an array in Ruby?
... start and continuing for length elements, or
returns a subarray specified by range. Negative indices count
backward from the end of the array (-1 is the last element).
Returns nil if the index (or starting index) are out of range.
a = [ "a", "b", "c", "d", "e" ]
a...
Do you have to include ?
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If you don't call the favicon, favicon.ico, you can use that tag to specify the actual path (incase you have it in an images/ directory). The browser/webpage looks for favicon.ico in the root directory by default.
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Shell command to tar directory excluding certain files/folders
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As an example, if you are trying to backup your wordpress project folder, excluding the uploads folder, you can use this command: tar -cvf wordpress_backup.tar wordpress --exclude=wp-content/uploads
– shasi kanth
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The project type is not supported by this installation
...ck some advanced frameworks like newer versions of Windows Mobile SDK, but if I recall correctly,the error message in such case is different.
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How set the default repository
... Yeah, tonfa's right on both counts. You do it by editing a file and if you don't want to pop open an editor you could do it by shell redirect. There's no 'set' command.
– Ry4an Brase
Sep 27 '10 at 13:56
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Why doesn't height: 100% work to expand divs to the screen height?
...as to set both html and body as height: 100% (As well as of course the specific div I want to inherit the 100% height)
– james
Jan 13 '15 at 6:34
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