(programming) A rule by which compilers are allowed to apply any optimizing transformation to a program provided that it makes no change to the observable behavior of the program.

Synonym of don't that beat all

Contingent upon the possibility or convenience of the request.

(idiomatic) A situation where either choice results in a negative outcome; dilemma.

Alternative form of if you know what I mean.

Do not seek advice from a biased party.

(simile, UK, informal, humorous) To look extremely disheveled.

In a nonchalant manner, by ignoring the existence of a past event and pretending that nothing abnormal had occurred.

Used before stating something that the speaker believes to be correct

(colloquial, dismissive) Used to convey lack of agreement together with a refusal to enter into or continue an argument.