《Hello 算法》：动画图解、一键运行的数据结构与算法教程。支持 Python, Java, C++, C, C#, JS, Go, Swift, Rust, Ruby, Kotlin, TS, Dart 代码。简体版和繁体版同步更新，English version in translation

Spring Boot helps you to create Spring-powered, production-grade applications and services with absolute minimum fuss.

QuestDB is a high performance, open-source, time-series database

Continuous Inspection

🚁🚀基于Flink实现的商品实时推荐系统。flink统计商品热度，放入redis缓存，分析日志信息，将画像标签和实时记录放入Hbase。在用户发起推荐请求后，根据用户画像重排序热度榜，并结合协同过滤和标签两个推荐模块为新生成的榜单的每一个产品添加关联产品，最后返回新的用户列表。

Awaitility is a small Java DSL for synchronizing asynchronous operations

Apache Parquet Java

Electronic Circuit Simulator in the Browser

A GeekTime course about constructing a compiler.

Deep Learning on Flink aims to integrate Flink and deep learning frameworks (e.g. TensorFlow, PyTorch, etc) to enable distributed deep learning training and inference on a Flink cluster.

Integrates Dependency-Check reports into SonarQube

Gerrit Code Review Tool Integration for the IntelliJ Platform

Supply basic multi thread and pooled connection(sftp and so on) management.