April 2020
Intermediate to advanced
506 pages
20h 7m
Polish
Content preview from Go
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Nowy typ strukturalny Date działa
całkiem dobrze, ale użytkownicy
wpisują dziwne dane, na przykład
“{2019 14 50}” lub “{0 0 -2}”!
Tak, wiadomo, dlaczego tak może się dziać. Poprawny jest tylko rok
równy co najmniej
1
, jednak nic nie uniemożliwia użytkownikom
przypisania do pola
Year
wartości od
0
do
-999
. Poprawne są tylko
miesiące o wartościach od
1
do
12
, ale nic nie chroni przed ustawieniem
pola
Month
na
0
lub
13
. Ponadto pole
Day
powinno przyjmować wartości
od
1
do
31
, lecz użytkownicy mogą wpisać dni takie jak
-2
lub
50
.
Potrzebny jest sposób na to, aby programy gwarantowały poprawność
danych od użytkowników ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.