AndrewTsao

#include <iostream>
#include <assert.h>

const char* code = "-1+2*3";
const char* token = nullptr;

void init() {
  token = code;
}

AndrewTsao

has_bom()
{
    head -c3 "$1" | grep -qP '\xef\xbb\xbf';
}

utf8bom()
{
    echo "convert " $1
    has_bom $1
    if [ $? -ne 1 ]; then

AndrewTsao

#include <iostream>
#include <stdint.h>

template<typename T>
inline void copy_byte(uint8_t* dst, uint8_t* src, size_t size ) {
  T* sdst = (T*)dst;
  T* ssrc = (T*)src;
  size /= sizeof(T);
  clock_t s = clock();
  while (size-- > 0)

AndrewTsao

#include <iostream>
#include <iomanip>
#include <time.h>
#include <vector>

struct Item {
  int a;

  Item(int i): a(i) {
    std::cout << "ctor" << std::endl;

AndrewTsao

#include <iostream>
#include <iomanip>

/*
一个如下的内存分配方法，初始分配2^n条记录，然后按倍增的方式。
当达到2^(n+m)时，改为每次分配2^(n+m)的方式进行。

在这种分配方法下，给定记录编号，算出记录所属的内存块及其在内存块中的偏移。

 */

AndrewTsao

上交所行情消息编号及意义

消息类型码	含义
UA1115	A+H市场状态
UA1202	3 心跳消息(Heartbeat)
UA2102	A+H个股行情
UA2107	A+H个股集合竞价

AndrewTsao

cmake_minimum_required (VERSION 2.8)
set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
project (QuantBox_XAPI)

set(CMAKE_CXX_FLAGS "-std=c++11")
include_directories(.)
include_directories(QuantBox_Queue)
#add_subdirectory(./)
set(QUEUE_SRC_LIST
  QuantBox_Queue/readerwriterqueue.h

AndrewTsao

template <class T, typename M>
T* container_of(M *m, const M T::*mp) {
  static const T * null = reinterpret_cast<const T *>(null);
  static const ptrdiff_t offset = reinterpret_cast<const ptrdiff_t>(&(null->*mp));
  return reinterpret_cast<T*>(reinterpret_cast<char*>(m) - offset);
}

AndrewTsao

--
-- Created by IntelliJ IDEA.
-- User: andi
-- Date: 14-4-27
-- Time: 下午7:07
-- To change this template use File | Settings | File Templates.
--
local sqrt = require("math").sqrt
local re = require("re")

AndrewTsao

function repl()
  local cmd, res, msg1, msg2
  -- R
  io.write '>'
  cmd = io.read()
  if not cmd or #cmd == 0 then
    return repl()
  end
  res, msg1 = loadstring(cmd, 'repl')
  if not res then