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Powerful coding training system. LintCode has the most interview problems covering Google, Facebook, Linkedin, Amazon, Microsoft and so on. We provide Chinese and English versions for coders around the world. | 练码 | 算法笔试 | 编程 | 算法面试

FastAPI framework, high performance, easy to learn, fast to code, ready for production

Logback is intended as a successor to the popular log4j project, picking up where log4j 1.x leaves off. | 日志框架 | Java框架 | slf4j-api | logback-core | logback-classic

iLovePDF is an online service to work with PDF files completely free and easy to use. Merge PDF, split PDF, compress PDF, office to PDF, PDF to JPG and more!

Data validation using Python type hints.Pydantic is the most widely used data validation library for Python.Fast and extensible, Pydantic plays nicely with your linters/IDE/brain. Define how data should be in pure, canonical Python 3.7+; validate it with Pydantic.

开发者搜索是一个面向开发者的知识搜索平台，专注于为开发者提供高效的技术搜索服务。

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