meaning of write only code
1. write-only code [a play on "read-only memory"] Code so arcane, complex, or ill-structured that it cannot be modified or even comprehended by anyone but its author, and possibly not even by him/her. A Bad Thing. [Jargon File] write-only language A language with syntax or semantics sufficiently dense and bizarre that any routine of significant size is automatically write-only code. A sobriquet applied occasionally to C and often to APL, though INTERCAL and TECO certainly deserve it more. write-only memory 1.