Computer Science Data Structure, Algorithm, Angular, React, etc.

website source code at GitHub

Stock Analysis – Free Online Stock Information for Investors

Accurate information on 68,000+ stocks and funds, including all the companies in the S&P500 index. See stock prices, news, financials, forecasts, charts and more

Polygon.io – Stock Market API

Stock API with real-time and historical tick data, unlimited usage via REST or WebSockets, standardized JSON and CSV formats

Hugging Face – The biggest platform for open-source AI models

Hugging Face – The biggest platform for open-source AI models

LangChain – The most popular library for building apps powered by LLMs

LangChain – The most popular library for building apps powered by LLMs

On Monday, In Monday, At Monday – czyli kilka słów o przyimkach

On Monday, In Monday, At Monday – czyli kilka słów o przyimkach!

perplexity.ai

Perplexity is a free AI-powered answer engine that provides accurate, trusted, and real-time answers to any question

you.com

Artificial intelligence designed for collaboration – with AI Agents that can research, solve problems, and create content for you and your team

Comparing BigDecimals for Equality

Comparing BigDecimals for Equality val bdy = 0.3.toBigDecimal() val bdx = 0.3.toBigDecimal() println(BigDecimal.ZERO.compareTo(bdy - bdx) == 0)

Mermaid: Diagramming and charting tool

JavaScript based diagramming and charting tool that renders Markdown-inspired text definitions to create and modify diagrams dynamically.