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magicpotato fortheday

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@fortheday
fortheday / warm-up-the-brain.cpp
Last active January 27, 2018 11:33
auto usHi = *(WORD *)"Hi";
@fortheday
fortheday / get-free-port.cpp
Last active January 23, 2018 03:16
// C++Builder code
struct sockaddr_in addr;
SOCKET s;
int i;
memset(&addr, NULL, sizeof(struct sockaddr));
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = INADDR_ANY;
addr.sin_port = htons(0);
@fortheday
fortheday / open-url.cpp
Created January 23, 2018 03:14
// 기본형
#include <shellapi.h>
#include <shlobj.h>
ShellExecute(Handle, "open", "http://magicpotato.com/p", NULL, NULL, SW_SHOWDEFAULT);
// [용주] 음...저건 이미 띄어진 익스플로어창이 있다면 거기서 뜨는 문제가 있고 무조건 익스플로어 새창을 띄어서 하고 싶다면 요론식으로....
{
ShellExecute(NULL, "open", "IEXPLORE.EXE", "http://magicpotato.com/p", NULL, SW_SHOW);
@fortheday
fortheday / wget.cpp
Created January 23, 2018 03:16
// (WindowsInternet + VCL + MP_LIB 사용)
//---------------------------------------------------------------------------
#include <vcl.h>
#include <wininet.h>
#include <stdio.h>
#include "mp_File.h"
#include "MainForm.h"
#pragma comment (lib, "wininet.lib")
//---------------------------------------------------------------------------
#pragma resource "*.dfm"
@fortheday
fortheday / last-error-to-human-message.cpp
Last active January 23, 2018 03:19
char buf[1024];
FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, GetLastError(), 0, buf, 1024, NULL);
MessageBox(NULL, buf, NULL, MB_OK);
@fortheday
fortheday / x64-pointer.cpp
Last active January 27, 2018 11:33
printf("%zu %llu", sizeof(int *), (unsigned int)(((int *)0) + 2));
@fortheday
fortheday / array-syntax-and-cout-ref.cpp
Last active January 27, 2018 11:33
using namespace std;
void procArray(int intArr[])
{
}
void TestMain()
{
int intArr[] = { 1, 2, 3 };
procArray(intArr);
@fortheday
fortheday / code-trace-macro.cpp
Last active January 27, 2018 05:30
#define V(code) puts(#code); code;
V(int x = 3);
V(x = 4);
V(std::cout << x << std::endl);
@fortheday
fortheday / macro-param-manip.cpp
Last active January 27, 2018 05:31
#define DECL_STR(head, name) char *psz##head##_##name = #name
DECL_STR(Product, Potato);
DECL_STR(Product, Apple);
pszProduct_Apple;
pszProduct_Potato;
@fortheday
fortheday / static.c
Created January 24, 2018 15:25
static void localFunc();// scope is same file
static int g_localInt; // scope is same file