on-the-flycode

noun
UK /ˌɒn ðə ˈflaɪ kəʊd/
US /ˌɑːn ðə ˈflaɪ koʊd/

Code that is written quickly while you are working, without much planning.

The developer used on-the-flycode to fix the bug during the live demo.


OTHER MEANINGS

2. Programming done in real time during a presentation or stream.

The speaker showed on-the-flycode as the audience watched.

3. Temporary code written to handle an urgent problem.

They deployed on-the-flycode to keep the site running overnight.

4. Code generated automatically while a program runs.

The compiler produced on-the-flycode to speed up the loop.