I understand this might be an undefined behavior question, but I'm curious and also trying to understand the reason for the below results #include <stdio.h> #include <string.h> #include <stdlib.h> #define SIZE 100 char* memory(){ char ch[SIZE] = {0}; return ch;…
I wrote a simple program below which calculates the sum and return the result to main(). The main() then calculates the average. SumOfArray() expects float but I am passing an array of integers. I expected that the integers would be…
I am new to C and still learning(currently doing some "LeetCode" challenges). I wrote a function that should return the longest common prefix in an array of strings. I tested with a couple different values and all works fine. But…
I am very new to javascript and I was making a rock, paper, scissor game, but the below lines of code is giving me undefined value can someone explain me in simple words why console log is giving me undefined…
Why does the code below count from 0 to 9? Does C store the variable i in test always at the same address? And when calling C initializes the variable i with its previous value? Or is that just by…
I have a query, that selects the lowest available id free in a table. It works perfect in my tests, but however I realized, that it always returns 9 in production. So I deleted id number 6 (which is lower)…
Even I get an warning a function returns an address from local variable, it compiles. Isn't it then UB of compiler? The generated assembly: .text .LC0: .asciz "%in" .globl foo .type foo, @function foo: pushq %rbp # movq %rsp, %rbp…