What is the best way to mutate an object?

For example: If I have something like user.email = email || user.email I have to update the email property of user if email exists, otherwise leave it untouched.

Is there a way to run a specific command (e.g. git pull --autostash) when you cd into a git directory?

Need help with Bookshelf.js polymorphic relations

I have a model AccessToken which belongs to multiple models using the keyable_id and keyable_type property. I need to access access_tokens using the associated accounts. Here is what my AccessToken model looks like: module.exports = baseModel => ba...

How would you explain Storage engine in simple terms?

Is there any performance difference between Native Java Android app and apps developed using Nativescript or React-native?

I would like to consider using JavaScript for building android app rather than using Java.