I don't know what s[::-1] is in Python
2622
Understanding slice notation
17532
Why does Simplify[b-a] give -a+b and not b-a?
68011
(![]+[])[+[]]... Explain why this works
14633
What's the thing with $\sqrt{-1} = i$
150558
Lua operators, why isn't +=, -= and so on defined?
89991
I don't understand slicing with negative bounds in Python. How is this supposed to work?
27902
What is the purpose of the single underscore "_" variable in Python?
89546
Where is the `--` (double dash) argument documented?
32658
What does `:-` mean in a shell script
94785
What are :+ and &:+ in Ruby?
105563
Posix Character Sets difference between [[:blank:]] and [[:space:]]?
126379
What do square brackets, "[]", mean in function/class documentation?
126217
What's the purpose of the + (pos) unary operator in Python?
71607
What's this =! operator?
98459
What are the differences between "-" and "--" in commands?
92813
What does << mean in Ruby?
62119
What is the -> (stab) operator in Ruby?