if sth happens for several days, etc. in a row, it happens on each of those days; if sth happens several times in a row, it happens in exactly the same way each time, and nothing different happens in the time between; arranged one beside another in a straight line
Oxford45% of films
if sth happens for several days, etc. in a row, it happens on each of those days
Oxford40% of films
if sth happens several times in a row, it happens in exactly the same way each time, and nothing different happens in the time between
Seventy eight in a row. A new record, I imagine.
That's four bad hands in a row.
Editorial15% of films
arranged one beside another in a straight line
Definitions from the Oxford Advanced Learner's Dictionary, 9th edition