David Lee daviddwlee84

💭

Just wanna be happier

NLPer x Maker // Data & Applied Scientist @microsoft

daviddwlee84 / EastMoneyPicture.html

Last active April 11, 2025 03:14

Easily get A-Share symbol market data as image from Easy Money

	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<title>EastMoney K-line Picture Viewer</title>
	<style>
	body {
	font-family: Arial, sans-serif;
	margin: 2em;
	}

daviddwlee84 / server.py

Last active April 10, 2025 06:39

A Python real-time dashboard with TradingView Lightweight Chart example (by vibe coding)

	import asyncio
	import random
	import time
	from contextlib import asynccontextmanager
	from fastapi import FastAPI, WebSocket, WebSocketDisconnect
	from fastapi.responses import HTMLResponse

	# Store connected WebSocket clients globally
	connected_clients = []
	# Task references to properly manage background tasks

daviddwlee84 / LangGraph_Test.ipynb

Last active December 28, 2024 11:53

LangGraph Quick Start Tutorial https://langchain-ai.github.io/langgraph/tutorials/introduction/ but using OpenAI and DuckDuckGo

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daviddwlee84 / negative_cycle_detector.py

Created September 20, 2024 05:30

Negative Cycle Detector (using NetworkX)

	# Python 3.11
	# https://peps.python.org/pep-0673/
	from typing import Literal, Self
	import pandas as pd
	import networkx as nx
	import numpy as np
	import matplotlib.pyplot as plt


	class NegCycleDetector:

daviddwlee84 / subscribe_thorugh_socks5_proxy.py

Last active August 13, 2024 06:44

Subscribe DEPTH and TRADE from Pionex WebSocket with Socks5 Proxy

	from urllib.parse import urlparse
	# pip install -i https://pypi.tuna.tsinghua.edu.cn/simple PySocks websockets asyncio
	import asyncio
	import ssl
	# https://github.com/Anorov/PySocks
	import socks
	# https://github.com/python-websockets/websockets
	import websockets
	import json

daviddwlee84 / gpu_lock_with_arguments.py

Last active July 23, 2024 10:09

A PyTorch training script that can find an available GPU to train (otherwise will wait) with lock protection and custom arguments for parameters. https://chatgpt.com/share/4c82e79d-c80b-4d06-b802-fa7a8cf34ee8 https://chatgpt.com/share/1d02b8c2-78c5-44cc-8db5-b1cad0c4e191

	from typing import Tuple
	import GPUtil
	import torch
	import time
	import os
	from filelock import FileLock
	from tap import Tap

	# pip install gputil torch filelock typed-argument-parser

daviddwlee84 / .s3cfg

Last active May 31, 2024 08:18

Read S3 Parquet using config of `~/.s3cfg` (shared with `s3cmd`)

	# ~/.s3cfg
	[default]
	access_key = AAAAAAAAAAAAAAAAAAAA
	bucket_location = US
	host_base = url.to.minio
	secret_key = 0000000000000000000000000000000000000000000