rayepeng

已知：人群中千分之一的人会得癌症

那么假设就是10000个人，10个人会得癌症

患癌症检测成阳性概率为 99%，10个人得癌症，9.9个人检测成阳性，0.1个人检测成阴性

健康检测成阴性概率为 99%，9990个人健康，9890.1 个人检测成阳性，99.9个人检测成阳性

那么就可以计算出，如果检测成阳性，换癌症概率为：

rayepeng

def To_hex_str(num):
    chaDic = {10: 'a', 11: 'b', 12: 'c', 13: 'd', 14: 'e', 15: 'f'}
    hexStr = ""
    if num < 0:
        num = num + 2**32
    while num >= 16:
        digit = num % 16
        hexStr = chaDic.get(digit, str(digit)) + hexStr
        num //= 16
    hexStr = chaDic.get(num, str(num)) + hexStr   

rayepeng

def Work_thread(self,root,panel):
    stOutFrame = MV_FRAME_OUT()  
    img_buff = None
    buf_cache = None
    numArray = None
    while True:
        ret = self.obj_cam.MV_CC_GetImageBuffer(stOutFrame, 1000)
        if 0 == ret:
            if None == buf_cache:
                buf_cache = (c_ubyte * stOutFrame.stFrameInfo.nFrameLen)()

rayepeng

# 静态路由协议配置

ip route 202.114.66.0 255.255.255.0 202.114.67.5
ip route 202.114.64.0 255.255.255.0 202.114.67.5
ip route 202.114.65.0 255.255.255.0 202.114.67.5
ip route 192.168.1.0 255.255.255.0 202.114.67.5



# RIP配置

rayepeng

# git 只克隆最近的分支

git clone --depth=1 https://github.com/c-smile/sciter-sdk

rayepeng

# 寻找文件大于100M

sudo find / -type f -size +1000M


# 提示app不安全

sudo spctl --master-disable

rayepeng

# 参考  https://bbs.pediy.com/thread-256000.htm


利用FPU获取EIP

section .text
BITS 32
global CMAIN
CMAIN:
   fldz

rayepeng

cmake -DOPENCV_EXTRA_MODULES_PATH=../../opencv_contrib-3.4.14/modules ..


cmake --build .

sudo make install

详情可以参考  https://docs.opencv.org/4.5.2/d7/d9f/tutorial_linux_install.html

rayepeng

function *fetchHttpBin(){
    const data = yield fetch('https://httpbin.org/get'); // 等待返回值
    console.log(data);
}

function main2(){
    const g = fetchHttpBin(); // 获得生成器
    g.next()
    .value // 执行到next，此时生成器返回 {done, value}
    .then( (data)=> data.json()) // 执行到yield，此时会返回promise

rayepeng

function(require, host) { /* global host */
/* eslint-disable block-spacing, no-multi-spaces, brace-style, no-array-constructor, new-cap, no-use-before-define */

'use strict';

// eslint-disable-next-line no-invalid-this, no-shadow
const global = this;

const local = host.Object.create(null);
local.Object = Object;