huihut

/*
https://www.suchan.cz/2015/08/uwp-quick-tip-getting-device-os-and-app-info/
https://docs.microsoft.com/zh-cn/windows/desktop/api/winnt/ns-winnt-_osversioninfoa
https://social.msdn.microsoft.com/Forums/WINDOWS/en-US/6d754895-36c0-403d-a91d-f0efbc1f36a8/uwphow-to-retrieve-os-version-in-a-universal-app?forum=wpdevelop
*/

using Windows.ApplicationModel;
using Windows.Security.ExchangeActiveSyncProvisioning;
using Windows.System.Profile;
...

huihut

// MD5
public static string Md5(string str)
{
    var algorithm = HashAlgorithmNames.Md5;
    HashAlgorithmProvider provider = HashAlgorithmProvider.OpenAlgorithm(algorithm);
    var hash = provider.CreateHash();
    IBuffer buffer = CryptographicBuffer.ConvertStringToBinary(str, BinaryStringEncoding.Utf16LE);
    hash.Append(buffer);
    var hashedBuffer = hash.GetValueAndReset();
    return CryptographicBuffer.ConvertBinaryToString(BinaryStringEncoding.Utf16LE, hashedBuffer);

huihut

// set websocket url
string ip = "ws://" + "api.test.com:80";
// new websocket
MessageWebSocket socket = new MessageWebSocket();

var cts = new CancellationTokenSource();
cts.CancelAfter(2000); // cancel after 2 seconds

var connectAsync = socket.ConnectAsync(new Uri(ip));
var connectTask = connectAsync.AsTask(cts.Token);

huihut

#include <string>
#include <Windows.h>

std::string UTF8_To_Std_Str(const std::string & str)
{
	int nwLen = MultiByteToWideChar(CP_UTF8, 0, str.c_str(), -1, NULL, 0);

	wchar_t* pwBuf = new wchar_t[nwLen + 1];
	memset(pwBuf, 0, nwLen * 2 + 2);

huihut

def set_query_parameter(url, param_name, param_value):
    """Given a URL, set or replace a query parameter and return the
    modified URL.

    >>> set_query_parameter('http://example.com?foo=bar&biz=baz', 'foo', 'stuff')
    'http://example.com?foo=stuff&biz=baz'

    """
    scheme, netloc, path, query_string, fragment = urlsplit(url)
    query_params = parse_qs(query_string)

huihut

def encodeConversion(req):
    if req.encoding == 'ISO-8859-1':
        encodings = requests.utils.get_encodings_from_content(req.text)
        if encodings:
            encoding = encodings[0]
        else:
            encoding = req.apparent_encoding

        # encode_content = req.content.decode(encoding, 'replace').encode('utf-8', 'replace')
        encode_content = req.content.decode(encoding, 'replace')  # 如果设置为replace，则会用?取代非法字符；

huihut

def guess_encoding(csv_file):
    """guess the encoding of the given file"""
    import io
    import locale
    with io.open(csv_file, "rb") as f:
        data = f.read(5)
    if data.startswith(b"\xEF\xBB\xBF"):  # UTF-8 with a "BOM"
        return "utf-8-sig"
    elif data.startswith(b"\xFF\xFE") or data.startswith(b"\xFE\xFF"):
        return "utf-16"

huihut

专业版（Professional）:

KBJFW-NXHK6-W4WJM-CRMQB-G3CDH

企业版（Enterprise）:

NJVYC-BMHX2-G77MM-4XJMR-6Q8QF

huihut

/*

题目：从尾到头打印链表
题目描述：输入一个链表，按链表值从尾到头的顺序返回一个ArrayList。

*/

/**
*  struct ListNode {
*        int val;

huihut

#!/usr/bin/python
# -*- coding: UTF-8 -*-

# Python 生成 CSV 文件
# Python 生成 CSV 文件，可用于生成带标签的数据集 CSV 文件，标签从0开始自动升序：0,1,2,3...
# 作者：https://github.com/huihut
# 参考：https://github.com/opencv/opencv_attic/blob/master/opencv/modules/contrib/doc/facerec/src/create_csv.py

'''