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How to show SQL queries run in the Rails console?

When I run queries (e.g. MyModel.where(...) or record.associated_things ) in the console, how can I see the actual database queries being run so I can gain more understanding of what is happening? ...
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WPF: How to display an image at its original size?

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Rails: create on has_one association

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Validate uniqueness of multiple columns

Is there a rails-way way to validate that an actual record is unique and not just a column? For example, a friendship model / table should not be able to have multiple identical records like: ...
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Difference between database and schema

What's the difference between a Database and a Schema in SQL Server? Both are the containers of tables and data. 5 Answers ...
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Removing a model in rails (reverse of “rails g model Title…”)

How can I completely remove this model? Thanks 5 Answers 5 ...
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How to show git log history for a sub directory of a git repo?

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Object of custom type as dictionary key

What must I do to use my objects of a custom type as keys in a Python dictionary (where I don't want the "object id" to act as the key) , e.g. ...
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How to create a static library with g++?

Can someone please tell me how to create a static library from a .cpp and a .hpp file? Do I need to create the .o and the .a? I would also like to know how can I compile a static library in and use it in other .cpp code. I have header.cpp , header.hpp . I would like to create header.a . Test the...
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How does Activity.finish() work in Android?

Could someone provide a description of what happens when an Activity calls its finish() method? 4 Answers ...