September 2023
Beginner to intermediate
312 pages
9h 8m
Polish
Content preview from Reguły programowania
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Reguła 4. Uogólnianie wymaga trzech przykładów
Jako młodzi programiści wszyscy jesteśmy uczeni, że ogólne rozwiązania są lepsze od szczegółowych. Lepiej napisać jedną funkcję, która rozwiązuje dwa problemy, niż dwie osobne, z których każda będzie rozwiązywać jeden problem.
Jest raczej mało prawdopodobne, że napiszesz kod taki jak ten przedstawiony poniżej:
Sign * findRedSign(const vector<Sign *> & signs)
{
for (Sign * sign : signs)
if (sign->color() == Color::Red)
return sign;
return nullptr;
}
Z kolei bez trudu mogę sobie wyobrazić, że napiszesz funkcję taką jak ta:
Sign * findSignByColor(const vector<Sign *> & signs, Color color)
{
for (Sign * sign : signs)
if (sign->color() == color)
return sign;
return ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.