bananaappletw

# EditorConfig is awesome: http://EditorConfig.org

# top-most EditorConfig file
root = true

[*]
# Unix-style newlines with a newline ending every file
end_of_line = lf
insert_final_newline = true
trim_trailing_whitespace = true

bananaappletw

#include <stdio.h>
#include <stdlib.h>
char *serial = "\x31\x3e\x3d\x26\x31";
int check(char *ptr)
{
	int i = 0;
	while (i < 5){
		if (((ptr[i] - 1) ^ 0x55) != serial[i])
			return 1;
		i++;

bananaappletw

#include <stdio.h>
#include <stdlib.h>
char *serial = "\x31\x3e\x3d\x26\x31";
int check(char *ptr)
{
	int i;
	int hash = 0xABCD;
	for (i = 0; ptr[i]; i++)
		hash += ptr[i] ^ serial[i % 5];
	return hash;

bananaappletw

# http://stackoverflow.com/questions/10711051/how-to-remove-trailing-whitespaces-for-multiple-files
# Remove trailing space inside current directory with file extension *.rb
find ./ -type f -name '*.rb' | xargs sed --in-place 's/[[:space:]]\+$//'

bananaappletw

#include<stdio.h>
int sum(int i,int j)
{
    int sum;
    sum=i+j;
    return sum;
}
int main(void)
{
    int i;

bananaappletw

section     .text
global      _start                              ;must be declared for linker (ld)
_start:                                         ;tell linker entry point

    mov     edx,len                             ;message length
    mov     ecx,msg                             ;message to write
    mov     ebx,1                               ;file descriptor (stdout)
    mov     eax,4                               ;system call number (sys_write)
    int     0x80                                ;call kernel

bananaappletw

section     .text
global      _start                              ;must be declared for linker (ld)
_start:                                         ;tell linker entry point
    ;You are going to practice system call
    ;What you should do?
    ;put system call number in %eax
    ;put fd number in %ebx
    ;put string address in %ecx
    ;put string length in %edx
    ;interrupt