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#include <stdio.h> | |
void DumpHex(const void* data, size_t size) { | |
char ascii[17]; | |
size_t i, j; | |
ascii[16] = '\0'; | |
for (i = 0; i < size; ++i) { | |
printf("%02X ", ((unsigned char*)data)[i]); | |
if (((unsigned char*)data)[i] >= ' ' && ((unsigned char*)data)[i] <= '~') { | |
ascii[i % 16] = ((unsigned char*)data)[i]; |
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create new rails app: | |
$ rails new store_name -d postgresql | |
in postgres: | |
$ psql -U postgres | |
$ create role store_name login createdb; | |
create databases: |