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Ruby Tips - How to figure out where a method is defined

The other day when I was dabbling with the huge codebase, I was wondering where a particular method was being declared for a specific method. I wanted to know this because my greps didn't turn out to volatile and didn't return any results



The Solution The Ruby interpreter has certain methods that can be used for identifying under which module or class, the particular method is being defined. See the example below.

So using the .source_location you will be able to figure which file it has been declared.
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node.js npm install --save. What does the --save mean?



Have you ever wondered what does "--save" does in the npm install command?

 It adds a line into the dependencies.json file of the current project with package name which you are trying to install and saves you a few manual labor of writing it yourself.

 Try it out yourself.


$ npm install sequelize --save
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