I wanted to clarify if I understand this correctly: == is a reference comparison, i.e. both objects point to the same memory location .equals() evaluates to the comparison of values in the object...

Is there a way I can do a shallow comparison that will not go down and compare the contents of objects inside of objects in Javascript or lodash? Note that I did check lodash, but it appears to per...

In here im logging the changes that has been done to a particular Object record. So im comparing the old record and the updated record to log the updated fields as a String. Any idea how can I do t...

After attempting several implementations for deep comparison and copying for JSON-serializable objects, I've noticed the fastest often are just: function deep_clone(a){ return JSON.parse(JSON.str...

Jasmine has built-in matchers toBe and toEqual. If I have an object like this: function Money(amount, currency){ this.amount = amount; this.currency = currency; this.sum = function (money){ r...

I have an API that returns this JSON response { "message": "Staff name and password pair not match", "errors": { "resource": "Login", "field": "staff_authentication", "code": "invalid", "sta...

I was checking this question Javascript Deep Comparison The solution of the question asker did not convince me so I tried to analyze the problem and came up with that var obj = {here: 2}; console....

I have to compare two Integer objects (not int). What is the canonical way to compare them? Integer x = ... Integer y = ... I can think of this: if (x == y) The == operator only compar...

I have a program that is zoo and in the zoo there are branched subgroups of animals that are reptiles. When I do an equals method the main program compiles and it runs. I'm confused how does java k...

I've read everywhere that when you define an Integer between -128 to 127 in Java, instead of creating a new object it returns an object already created. I don't see any point of doing this other t...

Sorry if duplicated (I didn't find it) This is only to confirm that Ruby's operator == performs always an equality comparison. I.e. a == b compares a's value against b's value, instead than, l...

Does in_array() do object comparison where it checks that all attributes are the same? What if $obj1 === $obj2, will it just do pointer comparison instead? I'm using an ORM, so I'd rather loop ove...

I think this is expected behaviour but want to check and maybe find out why, as the research I have done has come up blank I have a function that pulls data, creates a new instance of my custom cl...

What is the best way to compare objects in JavaScript? Example: var user1 = {name : "nerd", org: "dev"}; var user2 = {name : "nerd", org: "dev"}; var eq = user1 == user2; alert(eq); // give...

I am creating a drop down list of all languages. The default language selection for the list will be determined by information added by the user: <select> <c:forEach items="${languages}"...

Why does "hello" is "hello" produce True in Python? I read the following here: If two string literals are equal, they have been put to same memory location. A string is an immutable enti...