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In [5]: from abc import ABC, abstractmethod | |
...: class Base(ABC): | |
...: @abstractmethod | |
...: def get_by_id(self, id): | |
...: pass | |
...: class C1(Base): | |
...: def get_by_id(self, id): | |
...: return f"hello client1: {id}" | |
...: class C2(Base): | |
...: def get_by_id(self, id): |
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#include <stdarg.h> | |
#include <stddef.h> | |
#include <setjmp.h> | |
#include <cmocka.h> | |
static void db_connection(void **state) | |
{ | |
(void) state; | |
} |
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#include <stdio.h> | |
#include <stdlib.h> | |
int *x() | |
{ | |
int* a = malloc(sizeof(int)); | |
*a = 19; | |
return a; | |
} |
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#include <unistd.h> | |
#include <stdio.h> | |
int main() | |
{ | |
if(access("a.sh", F_OK) != -1) | |
{ | |
printf("Exists!\n"); | |
} | |
else |
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//gcc dict.c `pkg-config --libs --cflags glib-2.0` | |
#include <glib.h> | |
#include <stdio.h> | |
int main() | |
{ | |
GHashTable* hash = g_hash_table_new(g_str_hash, g_str_equal); | |
g_hash_table_insert(hash, "name", "Mort"); | |
g_hash_table_insert(hash, "email", "hello@localhost"); |
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#include <stdio.h> | |
#include <pwd.h> | |
#include <grp.h> | |
#include <stdlib.h> | |
int main(int argc, char *argv[]) | |
{ | |
struct passwd *pwd; | |
struct group *grp; |
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#include <stdio.h> | |
int main() | |
{ | |
char b[255]; | |
FILE *f; | |
f = tmpfile(); | |
fputs("hello mr dj", f); |
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#include <stdio.h> | |
#include <stdlib.h> | |
int main() | |
{ | |
char *r = getenv("JAVA_HOME"); | |
printf("java home: %s\n", r); | |
} |
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#include <stdio.h> | |
#include <dirent.h> | |
#include <sys/types.h> | |
int main() | |
{ | |
struct dirent *entry; | |
DIR *dir; | |
dir = opendir("/home/user1/"); |
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//compile: gcc a.c -lmemcached | |
#include <libmemcached/memcached.h> | |
#include <stdio.h> | |
#include <string.h> | |
int main() | |
{ | |
memcached_server_st *servers = NULL; | |
memcached_st *memc; | |
memcached_return rc; |
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