Official account of the Qingyun Technology Community, focusing on tech innovation, supporting developers, and sharing knowledge. Born to Learn and Share!
This tutorial walks through designing and implementing a low‑code workflow editor using React Flow Renderer, defining TypeScript data models, handling layout with Dagre, creating custom nodes and edges, enabling drag‑and‑drop node addition, deletion, configuration, and discussing common rendering challenges.
This guide walks through installing the open‑source cloud‑native storage orchestrator Rook, creating a Ceph cluster on a Kubernetes environment, configuring the Ceph dashboard, deploying the Rook toolbox, and setting up a StorageClass with RBD block storage, including troubleshooting tips and essential commands.
Amid the rise of the industrial internet, NoSQL databases such as MongoDB, Redis, and Elasticsearch have surged in popularity, with strong SaaS offerings and impressive financial results that illustrate their growing market share, cloud integration, and the broader shift toward open‑source, cloud‑native data solutions.
This article explains why mastering English is essential for developers and then curates a list of high‑quality cloud native podcasts, each with a brief description and link, to help listeners improve their knowledge and keep up with the latest industry trends.
Version 3.2.1 of the open‑source KubeSphere platform introduces a series of enhancements—including container group status filtering, improved image builder dialogs, expanded quota visibility, numerous UI bug fixes, and updated DevOps pipelines—alongside detailed installation and upgrade instructions for Linux and Kubernetes environments.
This article surveys major open‑source workflow engines—including Activiti, Flowable, Camunda, jBPM, and osworkflow—and their associated visual designers such as bpmn‑js, mxGraph, activiti‑modeler, flowable‑modeler, and react‑flow, comparing features, performance, and suitability for cloud‑native, low‑code platforms while outlining future trends.
Cilium 1.11 introduces a beta Service Mesh, Kubernetes Ingress support, OpenTelemetry integration, topology‑aware load balancing, BGP pod‑CIDR announcements, managed IPv4/IPv6 neighbor discovery, XDP multi‑device acceleration, graceful termination, scalable ID spaces, endpoint slices and several feature enhancements and deprecations.
This guide demonstrates how to use the Quanxiang Cloud low‑code platform to quickly create a visual, cloud‑native fixed‑asset management system, covering platform features, form design, workflow configuration, publishing, and end‑user operation for a server pre‑arrival process.
This guide walks you through building a robust cloud‑native foundation on QingCloud by integrating Kasten K10 with KubeSphere, configuring QingStor CSI snapshots, evaluating storage with Kubestr, installing K10 via Helm, and creating backup‑restore policies that satisfy the 3‑2‑1‑1‑0 data‑protection rule.
This article introduces the open‑source pg_recovery tool for PostgreSQL, explains how to install it, and demonstrates recovering data lost through UPDATE, DELETE, ROLLBACK, and DROP COLUMN operations with practical command‑line examples.
