string

what is the difference between char string[20]="aman" and char string[]="aman" ??

My code just prints an infinite loop of "1".

"Do a program which will read an integer number N and then will print the odd natural numbers that come before the typed number." ```#include <stdio.h> int main(){ int n,o; printf("Type an integer number:\n"); scanf("%d",&n); o=1; while(o<n){ printf...

C console application help.

I'm learning C and have a homework. The task is create a console application. Credit cards are identified by sixteen-digit numbers. The first fifteen digits are given by the bank, the last one being the check digit calculated from the other fifteen...

How do you deal with PRACTICAL optimization of 3rd party dependencies?

I'm curious how you guys/gals deal with practical optimization of your code. I'm not talking about in a large scope of when to start optimizing or what needs to be Optimized. I am also not talking about compiler optimization flags. But rather, once y...

Why does my program shows undefined reference, even though I defined the function?

I'm trying to run a function, but gets Undefined reference 'createList'. #include <stdio.h>> #include <stdlib.h> void createList(); struct node{ int classList; struct node *next; }*Node; int main() { struct node *head = NULL; int ...

How fast is NodeJS?

So recently I spent my time understanding some part of NodeJS source code and it happens to be much of the NodeJS is written in C,C++. We all know C,C++ are known for their speed. So if NodeJS is written in C++ why its not preferred for cpu intensiv...

What was your first program in C language?

My first program was successfully executing "HELLO".

Could anyone explain about scanf using &?

What are the different between string and &string? char string[20]; scanf( "%s" , string ); However, the following seems to work too, scanf( "%s" , &string );

What does code security mean to you?