learn-knowlege,github

jvmm

Jvmm是一个轻量的JVM监控工具，提供有丰富的监控功能：查看JVM信息（Runtime、内存、CPU、线程、GC、ClassLoader等）以及OS信息（内存、磁盘等），可生成火焰图，代码热更，反编译，提供多种服务模式（http、哨兵等）。适合用于服务健康监控、线上调优、排查问题、性能测试等场景。

The main Joget open source repository. Joget is a platform to easily build enterprise Web apps for cloud and mobile. Build full-fledged apps, e.g. CRM, HR, Healthcare, etc. Drag and drop forms, lists, and UI elements. Add workflows to automate processes. Extend via plugins. Apps are mobile optimized and cloud ready. Download ready made apps from the Joget Marketplace. The compiled binaries are available for download at https://www.joget.org/download

jwt-spring-security-demo

A small demo for using JWT (Json Web Token) with Spring Security and Spring Boot 2

jxc-admin

一个前后端分离的简易进销存后台管理系统，基于SpringBoot和vue-element-admin实现，具备常见的后台管理功能，登录态使用session，使用基于资源url的简单权限控制。

jynew

JinYongLegend-like RPG Game Framework with full Modding support

kalman-and-bayesian-filters-in-python

Kalman Filter book using Jupyter Notebook. Focuses on building intuition and experience, not formal proofs. Includes Kalman filters,extended Kalman filters, unscented Kalman filters, particle filters, and more. All exercises include solutions.