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import cv2
import numpy as np

def preprocess_image(image):
    # 二值化
    gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
    _, threshold = cv2.threshold(gray, 127, 255, cv2.THRESH_BINARY)
    cv2.imwrite("01_threshold.jpg", threshold)
    return threshold

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#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <time.h>
#include <windows.h>
#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>
//#include <libavutil/frame.h>
#include <SDL2/SDL.h>

z4none

javascript:
timeout=prompt("Set timeout [s]");
countdown=0;
current=location.href;
if(timeout>0)
  reload();
else
  location.replace(current);
function reload(){
  if(countdown <= 0) {

z4none

#include <Windows.h>
#include <iostream>
#include <thread>

struct pipe
{
    pipe()
    {
        SECURITY_ATTRIBUTES sa = { sizeof(sa), nullptr,true};
        CreatePipe(&read, &write, &sa, 0);

z4none

#include <windows.h>
#include <tchar.h>
#include <dbghelp.h>
#include <string>

#include "crash_dumper.h"


#ifdef UNICODE
#     define tstring wstring

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EXTERN_C IMAGE_DOS_HEADER __ImageBase;
#define CURRENT_HINSTANCE ((HINSTANCE)&__ImageBase)

CImage image;
image.LoadFromResource(CURRENT_HINSTANCE, IDB_BG);
m_bg.Attach(image.Detach());
m_dc_bg.CreateCompatibleDC();
m_dc_bg.SelectBitmap(m_bg);

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class MyFileSystemModel(QFileSystemModel):
    changed = pyqtSignal(str, int, int)

    def __init__(self, parent=None):
        self.checks = {}
        super(MyFileSystemModel, self).__init__()

    def flags(self, index):
        return super(MyFileSystemModel, self).flags(index) | Qt.ItemIsUserCheckable

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static bool
has_arg(int argc, char **argv, const char *arg)
{
    for (int i = 1; i < argc; i++) {
        if (strcmp(argv[i], arg) == 0) {
            return true;
        }
    }
    return false;
}

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//
bool starts_with(const std::string & str, const std::string & sub, bool ignore_case=false)
{
    int str_len = str.size();
    int sub_len = sub.size();
    if (str_len < sub_len) return false;

    if (ignore_case)
    {

z4none

// set url params
// if params not exists in url, then add params
// if params exists in url, then replace
function setUrlParams(url, params) {
  var parts = url.split("?");
  var path = parts[0]
  var old_params = {};
  if (parts.length == 1);
  else {
    var items = parts[1].split("&");