what is a difference myObj.a=b vs myObj[a]=b
493
JavaScript property access: dot notation vs. brackets?
151825
Is there any difference between "foo is None" and "foo == None"?
106540
Is this binary operation commutative?
22324
What's the difference between declaring a variable "id" and "NSObject *"?
34819
What is the difference between an Instance and an Object?
134050
Question about set notation: what does $]a,b[$ mean?
35549
What is the difference between the | and || or operators?
74693
difference between linear transformation and its matrix representation .
84626
Why in these matrices are $AB=BA$ not equal? What is the logic behind them?
151402
What is the difference between a vector and its transpose?
150320
Why does $a^{b}·a^{c}=a^{b+c}$?
13903
mathematical difference between column vectors and row vectors
83392
Why is "if not someobj:" better than "if someobj == None:" in Python?
7167
difference between variables inside and outside of __init__()
150309
Why do we assume $a+b=b+a$ in a Ring with 1. Also, is it true with Rings without 1?
1469
Is there a difference between "==" and "is"?
130425
Var[A+B+C] = Var [A] + Var [B] + Var [C]