TIL, 2017-07-09
- Vim:
(
and)
moves your forward or backward one sentence. - Vim:
'.
jumps to the last changed line. - Running specs at the same time:
PG::TRDeadlockDetected: ERROR: deadlock detected
. - Return type for
.create!
is the created AR object, return type forupdate!
is true or not.