If Let, Two In One
Optional pros in Swift? It’s possible to assign nil to it. Optional cons in Swift? It has to be changed[…]
Read moreAuthor: Kornel
Defer. Wait…. OK
-How are you? -… -Why don’t you answer? -I’m waiting until you finish Sometimes a function may finish earlier because[…]
Read moreGuard Plus Let Equals Guard Let
Guard checks if the condition is correct otherwise, it returns or throws (Custom Error). Yet, what about the result of[…]
Read moreGuard, Something Different Than If
Forms. Validations. Forms and validations everywhere with Guard. Let’s say we have registration form which 4 inputs fields: name, passwords,[…]
Read moreCreate And Throw Custom Error
-Ghost: Booo!!!-Developer: ….-Ghost: Null Pointer Exception!-Developer: AAAA!!! NullPointerException is one of the most known errors in programming. Most developers are[…]
Read moreMultiple Big Number Problem
Can we store number 4 in code? Yes, we can. Can we store number 33889194 in code? Yes, we can.[…]
Read more