fortheday

unsigned char chVal = 1;	// ch로 하면 CountHigh와 겹치므로 주의.

__asm ror chVal, 1; Rotate Right

for (unsigned char bitMask = 1 << 7; 0 < bitMask ; bitMask >>= 1)
	_putch(chVal & bitMask ? '1' : '0');

fortheday

class Program
{
    const string strLine = "----------------------------------------";
    #region Credentials
    const string _customerKey = "";
    const string _customerSecret = "";
    const string _userAccessToken = "";
    const string _userAccessSecret = "";
    #endregion

fortheday

int main(int argc, char * const argv[], char * const envp[])
{
	while (*envp)
		cout << *(envp++) << endl;

	return 0;
}

fortheday

https://en.wikipedia.org/wiki/Precompiled_header

The AFX in stdafx.h stands for Application Framework eXtensions. AFX was the original abbreviation for the Microsoft Foundation Classes (MFC). While the name stdafx.h is used by default, projects may specify an alternative name.

fortheday

namespace Level0
{
	namespace Level1
	{
		int e_Year = 2018;
	}

	inline namespace Group1
	{
		int e_Month = 1;

fortheday

using byte = unsigned char; // typedef unsigned char byte;
byte bByte = 0xFF;

fortheday

int x = 2;

constexpr int GetDays() { return 2018 * 365; }

constexpr int todayDays1 = GetDays() * 1; // OK
constexpr int todayDays2 = GetDays() * x; // CompileTime Error

const int todayDays = GetDays() * x; // OK, Runtime initialize

fortheday

thread_local int tls_ThreadID;
__declspec(thread) int tls_ThreadID_Old;

fortheday

unsigned char b = 0b1010; // 10
int i = 1'000'000;

fortheday

enum class EDay { Mon, Tue, Web, Thu, Fri, Sat, Sun };
EDay day = EDay::Mon;