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How to remove a field from params[:something]

My registration form, which is a form for the Users model, takes a string value for company. However, I have just made a change such that users belongs_to companies. Therefore, I need to pass an object of Company to the Users model. ...
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How to pass argument to Makefile from command line?

How to pass argument to Makefile from command line? 4 Answers 4 ...
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What is the meaning of the prefix N in T-SQL statements and when should I use it?

I have seen prefix N in some insert T-SQL queries. Many people have used N before inserting the value in a table. 4 Answe...
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Updating and committing only a file's permissions using git version control

Just turned an some.sh file into an executable ( chmod 755 ... ), the permissions were updated but not the content. Is there a way to commit the file into git, so that the executable bit will be restored/set on clone / checkout / pull ? ...
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Why does Popen.communicate() return b'hi\n' instead of 'hi'?

Can someone explain why the result I want, "hi", is preceded with a letter 'b' and followed with a newline? 4 Answers ...
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Git diff between current branch and master but not including unmerged master commits

I want a diff of all changes in a branch that is not merged to master yet. 3 Answers 3...
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Can anyone explain python's relative imports?

...n't for the life of me get python's relative imports to work. I have created a simple example of where it does not function: ...
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Passing arguments forward to another javascript function

I've tried the following with no success: 5 Answers 5 ...
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Using Jasmine to spy on a function without an object

I'm new to Jasmine and have just started using it. I have a library js file with lots of functions which are not associated with any object (i.e. are global). How do I go about spying on these functions? ...
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how to permit an array with strong parameters

...sociations which is not, as I remake it as a Rails 4 app, letting me save ids from the associated model in the Rails 4 version. ...