Les Samedis du CREMI

class Foo:
    x = {}
 
    def __init__(self, id):
        self.x[id] = id
 
f1 = Foo(5)
print(f1.x)   # {5:5}, as expected...
 
f2 = Foo(6)
print(f2.x)   # {5:5, 6:6}, wtf ?!?
 
print(f1.x)   # {5:5, 6:6}, wtf too ?!?

import java.io.*;
import java.util.*;
 
public final class Foo {
    public Dictionary x = new Hashtable();
 
    public Foo(int id) {
	x.put(id, id);
    }
 
    public static void main(String[] args) {
	Foo f1 = new Foo(5);
	System.out.println(f1.x); // {5=5}, as expected...
 
	Foo f2 = new Foo(6);
	System.out.println(f2.x); // {6=6}, as expected...
 
	System.out.println(f1.x); // {5=5}, as expected...
    }
}

class Bar:
    x = 3
 
    def __init__(self, id):
        self.x = id
 
 
f1 = Bar(5)
print(f1.x)   # 5, as expected...
f2 = Bar(6)
print(f2.x)   # 6, as expected...

#include <stdio.h>
#include <stdlib.h>
#include <openssl/sha.h>
 
int
main (int argc, char **argv)
{
  char *content;
  SHA_CTX ctx;
  unsigned char message_digest[SHA_DIGEST_LENGTH];
  int retval;
  FILE *fh;
 
  /* SHA1 DIGEST */
  SHA1_Init (&ctx);
 
  fh = fopen (argv[1], "r");
  content = (char *) malloc (4096);
 
  while (!feof (fh))
    {
      retval = fread ((char *) content, 1, 4096, fh);
      printf ("Read:%d\n", retval);
      SHA1_Update (&ctx, content, retval);
    }
 
  SHA1_Final (message_digest, &ctx);
  puts ((char *) message_digest);
 
  free ((void *) content);
  fclose (fh);
 
  return EXIT_SUCCESS;
}