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What is the difference between t.belongs_to and t.references in rails?

What is the difference between t.references and t.belongs_to ? Why are we having those two different words? It seems to me they do the same thing? Tried some Google search, but find no explanation. ...
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Specify pane percentage in tmuxinator project

How can I specify a pane percentage in tmuxinator ? 1 Answer 1 ...
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Rails: where does the infamous “current_user” come from?

I've been looking around recently into Rails and notice that there are a lot of references to current_user . Does this only come from Devise? and do I have to manually define it myself even if I use Devise? Are there prerequisites to using current_user (like the existence of sessions, users, etc)...
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Why does scanf() need “%lf” for doubles, when printf() is okay with just “%f”?

Why is it that scanf() needs the l in " %lf " when reading a double , when printf() can use " %f " regardless of whether its argument is a double or a float ? ...
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Ternary Operator Similar To ?:

I am trying to avoid constructs like this: 5 Answers 5 ...
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Uninstall ReSharper 4.5

...harper 4.5 in Visual Studio 2008. Now I want to install ReSharper 5, but I can't do it before I uninstall ReSharper 4.5. 4 ...
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Scala downwards or decreasing for loop?

In Scala, you often use an iterator to do a for loop in an increasing order like: 7 Answers ...
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Setting focus on an HTML input box on page load

I'm trying to set the default focus on an input box when the page loads (example: google). My page is very simple, yet I can't figure out how to do this. ...
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Python argparse mutual exclusive group

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Open file dialog and select a file using WPF controls and C#

I have a TextBox named textbox1 and a Button named button1 . When I click on button1 I want to browse my files to search only for image files (type jpg, png, bmp...). And when I select an image file and click Ok in the file dialog I want the file directory to be written in the textbox1.tex...