And after you have spent sufficient time, you frequently discover your code is retrieving 12 fields from a database, but only looking at one. Or even more interesting, it is looking at no fields at all, but actually storing all the rows in a vector, only to return its size.
Na baada ya wewe kuwa alitumia muda wa kutosha, wewe mara nyingi kugundua kificho yako inarejesha 12 mashamba kutoka database, lakini tu kuangalia moja. Au hata zaidi ya kuvutia, ni kuangalia mashamba hakuna wakati wote, lakini kwa kweli kuhifadhi safu yote katika vector, tu kurudi ukubwa wake.