How to access an element of a set using an equivalent object?...

In Ruby, why does inspect() print out some kind of object id which is different from what object_id(...

'is' operator behaves differently when comparing strings with spaces...

Jackson combining @JsonIdentityInfo and @JsonTypeInfo throws InvalidTypeIdException...

RSpec: How to compare have_received arguments by object identity?...

Rust references don't implement Eq/Hash? How to use them as hash map key?...

Is there a Python equivalent of Java's IdentityHashMap?...

[[no_unique_address]] and two member values of the same type...

How can I register 2 dependencies with the same abstract interface in my factory resolver?...

error: argument -s/--source is required...

In Python (2.7), why is os.remove not identical to os.unlink?...

Why do some Ruby methods like String#replace mutate copies of variables?...

When does Python create new list objects for empty lists?...

Morphia saves new entities instead of update _id...

How to implement Update operation in simple repository in C#...

The == operator in Java...

Dart int and double being interned? Treated specially by identical()?...

Purpose of overloading identity operator...

Selfschizofrenia in Ruby...

Using one method in place of many...

which is best for performance while referring using _id? While retrieving using _id, i am getting er...

When are physically distinct values created in OCaml?...

DDD and MongoDB: Is it okay to let Mongo create ObjectIDs?...

mongoDB wont allow me to update...

how to get the objectID from url?...

Why does Ruby tend to assign object IDs in descending order?...

What objects are guaranteed to have different identity?...

$all parameter in mongodb does not work with ObjectId list...

How can i get my object id from a generic update views to use in my form in django 1.1...

Implementing object tracking, like in Boost::Serialization...