New customers can spin up VMs, build with AI, and query data at no cost.
Put your $300 in credit toward real workloads, then keep building with free monthly usage for 20+ products. No commitment and no charge until you upgrade.
Start Free
Save Up to 91% on Cloud Compute With Spot VMs
Automatic sustained-use discounts. One free VM per month. No negotiation needed.
Run batch jobs at 60-91% off with Spot VMs. Long-running workloads get automatic discounts with sustained use.
Learn Python 3 is a sample-code repository that accompanies Liao Xuefeng's Python 3 tutorial. It provides runnable examples that reinforce concepts introduced throughout the course. The collection starts with basic syntax and progresses through functions, modules, object-oriented programming, and functional programming. More advanced examples cover asynchronous programming, multitasking, databases, regular expressions, sockets, and web development. It also includes material for I/O,...
A brief introduction to using Promises in JavaScript
promise-cookbook is a practical JavaScript resource designed to help developers understand and apply Promises for managing asynchronous operations in a clear and structured way. Rather than being a traditional library, it functions as a collection of patterns, examples, and recipes that demonstrate how to handle common async scenarios such as chaining operations, error handling, and concurrency. The project focuses on replacing deeply nested callbacks with more readable and maintainable Promise-based flows, addressing a major pain point in JavaScript development. ...
libdjvu is a DjVu Viewer for Hanlin V3 written in C. It has infinite levels of zoom in/out, window panning around the page, asynchronous page readahead, multicolumn mode and many other features.