This tutorial demonstrates how to integrate Activiti workflow engine event listeners into a Spring Boot application, covering task assignment, task completion, and process completion events with code examples, testing steps, and important configuration details.
This guide shows how to extend a Spring Boot application with Activiti to query historic process data, generate highlighted process diagrams, and expose endpoints that display real‑time workflow progress, including code snippets for service methods, configuration, utilities, and a controller for image rendering.
PowerJob is presented as a third‑generation distributed task scheduler that adds workflow orchestration and Map/MapReduce compute to the basic CRON, fixed‑rate and API strategies, outperforming Quartz and xxl-job while offering a visual web console and extensive executor support.
This article provides a thorough guide to Git, covering its core concepts, installation, configuration, basic workflow, essential commands, remote repository handling, branching strategies, tagging, undo operations, collaborative workflows like Git flow, and useful utilities such as stash and cherry-pick, all illustrated with clear examples.
This article explains the fundamentals of finite state machines, demonstrates how to model order lifecycle states and transitions in Java using Spring StateMachine, and provides detailed code examples for persistence, event handling, and advanced error‑handling techniques such as AOP and Redis storage.
This article explains the fundamentals of finite‑state machines, introduces Spring Statemachine, demonstrates how to model an order lifecycle, configure persistence with in‑memory and Redis stores, and provides complete Java code for enums, configuration, services, controllers, listeners, testing, and exception‑handling improvements.
This article explains the fundamentals of finite state machines, illustrates their concepts and diagramming, and provides a comprehensive guide on using Spring Statemachine in Java—including schema design, configuration, event handling, persistence strategies, testing, and common pitfalls with solutions.
This article introduces five practical Git commands—stash, reset --soft, cherry-pick, revert, and reflog—explaining their purpose, typical scenarios, and step‑by‑step usage, plus tips for creating short aliases to streamline everyday version‑control tasks.
This article introduces five essential Git commands—stash, reset --soft, cherry-pick, revert, and reflog—explains their typical use cases, provides step‑by‑step examples, and shows how to create convenient short aliases to boost development efficiency.
This guide explains systematic Git branch naming, maps branches to development environments, outlines a typical merge flow, details a comprehensive commit‑message format (including Angular conventions), and provides a practical .gitignore template for clean repositories.
This guide explains Git branch naming conventions, their mapping to development environments, recommended merge workflows, standardized commit message formats, and .gitignore configuration to help teams maintain stable, well‑documented codebases.
StackStorm is an open‑source platform that connects existing infrastructure and applications to automate workflows, offering sensors, triggers, actions, rules, and reusable packages for incident response, auto‑remediation, and continuous deployment across cloud and on‑premise environments.
Page Logic Orchestration with LogicFlow solves low‑code expansion challenges by replacing rigid zero‑code property panels with a visual workflow editor that lets operators compose, debug, and execute flexible page logic using custom nodes, parallel execution, and repeatable flows, reducing development cost and complexity.
This article introduces LiteFlow, a lightweight yet powerful Java flow engine that enables developers to define complex business logic through concise rule files, demonstrates its key features, IDE plugin support, various orchestration expressions, and provides step‑by‑step integration examples with SpringBoot, code snippets, and a real‑world order‑price calculation use case.
This comprehensive guide equips computer‑science students and professionals with essential habits and a curated toolbox—including advanced Google search, English communication, GitHub, StackOverflow, Markdown/LaTeX, macOS‑centric development utilities, collaboration platforms, and effective time‑management techniques—to boost productivity, professionalism, and lifelong learning.
This guide walks through setting up a Spring Boot 2.2.11 environment with Activiti 7.1, configuring Maven dependencies, explaining the Activiti database tables, defining a BPMN leave‑request process, implementing service and controller layers, and demonstrating API calls to deploy, start, query, and complete the workflow.
This article explains what a rule engine is, contrasts it with workflow engines, outlines its benefits, reviews popular Java rule‑engine frameworks, and demonstrates a practical implementation for a second‑hand car buying process using JSON configuration, Spring‑SpEL, and modular Java actions.
This article explains how to integrate the Camunda 7 workflow engine into a Spring Boot project, covering core concepts, required Maven dependencies, configuration files, database schema, process modeling, task types, and detailed API examples for managing processes, tasks, variables, listeners, and permissions.
This article introduces the fundamentals of finite state machines, explains their four core concepts, demonstrates how to model order workflows with state diagrams, and provides a comprehensive guide to implementing, configuring, persisting, and testing Spring Statemachine in a Java backend, including solutions for exception handling and AOP enhancements.
This article presents a comprehensive overview of the Comet workflow engine, detailing its background, architecture, key design concepts, graph‑based legality checks, plugin mechanisms, and practical use cases such as SRE automation, permission requests, and dynamic linear processes, illustrating how a flexible, low‑code platform can streamline enterprise business flows.
This guide shows how to use Midjourney AI to generate a 3D‑style H5 header image in minutes, covering reference uploads, prompt translation, image selection, Photoshop refinement, and final review while discussing commercial rights and best practices for AI‑assisted design.
This article explains the fundamentals of finite state machines, introduces the four core concepts of state, event, action, and transition, and provides a detailed guide on using Spring Statemachine with Java—including configuration, persistence, service and controller implementations, testing, and advanced troubleshooting techniques.
This article explains the differences between git rebase and git merge, demonstrates their basic commands, explores interactive rebase, outlines the golden rule of avoiding rebase on public branches, and provides guidance on safely integrating rebase into development workflows.
This article compares Git's rebase and merge commands, explains how each integrates changes between branches, demonstrates basic and interactive rebase workflows with code examples, outlines the benefits and risks—including history clarity and potential conflicts—and provides practical guidelines such as the golden rule of never rebasing public branches.
This article explains how to improve code readability, reusability, and extensibility by adopting a componentized workflow architecture, detailing three‑layer structures, node abstraction, parameter mapping, and practical Java/Spring XML examples for scalable backend systems.
This guide explains how to keep your Git log tidy by using git commit --amend to modify the latest commit, interactive rebase to squash or fixup multiple commits, and pull with --rebase to maintain a linear history before merging feature branches.
The article systematically introduces the design and implementation of a采编式 (editing‑based) AIGC video production workflow, covering background analysis, service orchestration approaches such as state‑machine scheduling, module and component decomposition with bit‑mask slot management, configuration file definition, and practical flow scheduling using message queues and locks.
This article distills 13 practical time‑management and productivity strategies from McKinsey, covering how to identify the right tasks, prioritize effectively, structure work, leverage teams, apply the 80/20 rule, and maintain focus on high‑impact goals.
PowerJob is a modern distributed scheduling and computation framework that supports various timing strategies, workflow orchestration, multiple execution modes, and a rich set of processors, offering a user‑friendly web UI, high availability, and easy integration with Spring Boot projects.
The article compares four popular Git workflows—Git Flow, GitHub Flow, GitLab Flow, and trunk‑based development—detailing their branch structures, advantages, and drawbacks, and guides teams on selecting the most suitable approach based on release complexity, deployment speed, and collaboration requirements.
This article explains the concept of finite state machines, outlines scenarios where they are beneficial, compares Spring Statemachine and Squirrel-foundation implementations, and provides detailed configuration, guard/action code, persistence, testing, and practical usage tips for managing complex business workflows in Java backend services.
This article examines the challenges of virtual asset operations, compares workflow engines and finite state machines, outlines their core concepts, implementation methods, and open‑source options, and presents a practical internal‑DSL‑based solution for high‑performance, asynchronous backend processing.
This article explains what a process engine is, distinguishes between processes and engines, reviews common process designer types, explores workflow, BPM and orchestration applications, and details the architectural components, design practices, and code examples for building robust BPM solutions.
KubeVela 1.7 introduces read‑only and take‑over workload adoption modes, a one‑click CLI adopt command, major performance gains through compression and memory tuning, enhanced dry‑run, deletion, plugin output, workflow and VelaUX features, and outlines the roadmap for version 1.8.
This article describes the background, system design, implementation details, and application scenarios of the Andon (press‑light) mechanism introduced at Zhuanzhuan, covering its modular architecture, workflow choices between state machine and chain‑of‑responsibility, core Java abstractions, and how it supports merchant service rating.
This article explores the evolution of low‑code platforms from traditional front‑end component drag‑and‑drop tools to full‑stack workflow engines, detailing a step‑by‑step comparison of manual and low‑code development, the architecture of Baidu Cloud’s visual editor, and the underlying runtime engine that powers automated process execution.
This article details Lenovo’s implementation of a unified scheduling center using Apache DolphinScheduler, covering background requirements, reasons for choosing the platform, architectural evolution, feature enhancements, and practical deployments such as HTTP task parameter passing, Java task plugins, global parameters, and future roadmap.
MINOS, a low‑code configuration platform for NetEase Yanxuan, translates Apollo’s technical data model into business‑friendly visual forms, lets developers and product users create and approve configurations online, cuts manual R&D effort from minutes to seconds, and has already produced over 4,000 forms across multiple lines.
DolphinScheduler is an open‑source distributed task scheduling system that supports multiple task types, offers visual workflow orchestration and monitoring, and scales to thousands of servers, making it a robust solution for backend and big‑data processing scenarios.
This article examines the unique design considerations of process‑centric collaboration products, outlining three core characteristics—process nature, configurability, and visualization—through real‑world examples and practical guidelines to help product designers create efficient, user‑friendly workflow tools.
The article details Bilibili’s Comet workflow engine—a low‑code, plugin‑extensible platform built since 2019 that uses visual DAG templates, graph‑based legality checks, and asynchronous execution to automate diverse business processes such as SRE automation, permission requests, and push‑task approvals, improving operational efficiency across mobile and web services.
This article provides a comprehensive overview of BPM process engines, covering their definition, design of workflow and BPM, architecture components, organization and form designers, implementation practices, sample BPMN XML, and related commercial opportunities, offering practical guidance for building and using process‑engine‑based solutions.
This guide outlines a step‑by‑step approach for designers to rapidly understand unfamiliar business domains by researching industry reports, following news, analyzing competitors, studying product history, learning target users, experiencing the product, and mapping workflows to deliver effective design solutions.
This article provides a step‑by‑step guide for integrating Activiti 7 workflow engine into a Spring Boot application, covering Maven dependencies, environment setup, process deployment, task handling, business keys, suspension/activation, candidate users, variables, gateways, and various advanced operations with complete code examples.
The article explains how the Tongtian Tower platform’s automatic design‑to‑floor generation, leveraging Sketch parsing and RELAAAY asset management, reduces page‑building steps, cuts construction time by 40%, and enhances flexibility for designers, operators, and merchants.
This article explains how Alibaba Cloud's Serverless Application Engine (SAE) leverages the open‑source KubeVela Workflow to overcome operational, scaling, and integration challenges, detailing the workflow design, step definitions, and three real‑world use cases that illustrate automated ops, release optimization, and rapid feature rollout.
This article provides a comprehensive overview of process engines, covering their definition, core components, design patterns, implementation details, workflow and BPM applications, as well as practical considerations such as form and page design, permissions, and business opportunities.
This article provides a step‑by‑step guide on integrating Activiti7 into a SpringBoot project, covering Maven dependencies, IDE configuration, deployment of BPMN files, starting and managing process instances, handling tasks, business keys, process variables, candidate users, and gateway configurations, all illustrated with complete Java code examples.
PowerJob is a third‑generation distributed job scheduler that adds workflow orchestration, map‑reduce style computation and rich execution modes to traditional CRON‑based scheduling, and this guide explains its advantages, core features, architecture, and provides step‑by‑step instructions with code samples to get started quickly.
This article provides a comprehensive guide on using Activiti7 in a SpringBoot project, covering Maven dependencies, IDE configuration, process deployment, task handling, business keys, process suspension/activation, candidate users, gateways, and includes complete Java code examples for each step.
This article outlines five essential design traits—asynchronous collaboration, traceability, multidimensional notifications, role‑based permission differences, and output standardization—that underpin effective collaborative office products across various scenarios.
This article defines process engines, distinguishes workflow from BPM, explores various process designer types, outlines core components such as organization, resources, forms, and interfaces, and presents practical architecture and implementation details—including code examples, permission handling, and reporting—illustrated with diagrams.
Data tracking (埋点) records user actions to inform product optimization, covering passive and active behaviors, with applications ranging from exposure, click, to page events, and follows a detailed workflow—from requirement gathering and design, through development, testing, deployment, to analysis—summarized by a concise seven‑step methodology.
In a fast‑paced environment with strict deadlines, this guide presents fourteen essential developer tools—ranging from screen dimmers and PDF utilities to AI upscalers and coding activity trackers—to help improve workflow efficiency and streamline everyday tasks.
This article explains the concepts, design principles, and practical implementation steps of an open‑source decision engine—covering rule vs. decision flow, DSL creation with YAML, operator handling, workflow orchestration, and deployment considerations for production environments.
JDEasyFlow is an open‑source Java workflow orchestration component from JD's enterprise finance R&D team that supports JSON and BPMN specifications, offers flexible node types, modular architecture, and provides detailed usage examples and implementation principles for building scalable process‑driven applications.
This article shares practical approaches for QA professionals to boost work efficiency by cultivating the right mindset, leveraging automation and resource‑checking tools, and applying effective communication techniques, ultimately turning everyday tasks into high‑impact, streamlined processes.
This article provides a comprehensive tutorial on Activiti 7, covering workflow concepts, engine configuration files, process engine creation methods, service interfaces, BPMN diagram symbols, deployment techniques, task management, process variables, gateway types, and integration with Spring and Spring Boot.
This article explains what a process engine is, how it differs from traditional code implementations, describes various process designer approaches, compares Workflow and BPM, outlines the core components of a BPM engine architecture, and presents practical development steps and business opportunities, including a full BPMN XML example.
This article provides a comprehensive guide to the Activiti 7 workflow engine, covering its core concepts, Maven dependencies, XML configuration, engine creation methods, service interfaces, process deployment, instance management, task handling, variable usage, gateway types, and integration with Spring and Spring Boot, all illustrated with practical code examples.
This article explains the definition, core concepts, and architectural design of modern process engines, covering workflow, BPM, process orchestration, designer types, implementation components, practical project steps, and business opportunities, with code examples and visual diagrams.
This article provides a comprehensive overview of process engines, covering their definition, core components, design patterns, implementation approaches, BPMN modeling, practical workflow and BPM use cases, and related commercial opportunities for backend development and operations.
Bilibili built a scalable data‑quality platform that records metrics from heterogeneous sources, checks them with a rich DSL, alerts once with root‑cause analysis, and uses event‑driven and time‑window scheduling, automated workflows, and intelligent monitoring to ensure real‑time, accurate, trustworthy data for petabyte‑scale processing.
This article provides a comprehensive overview of process engines, explaining their definition, relationship to workflows and BPM, design of process designers, various application scenarios such as workflow and BPM, detailed architectural components, implementation practices, and potential business opportunities, illustrated with diagrams and XML examples.
This tutorial walks through creating a simple “Hello World” Apache Airflow DAG by setting up the Python file, importing modules, defining the DAG object, adding a PythonOperator task, writing the callable function, and running the DAG with Airflow’s webserver and scheduler.
This guide walks you through using Marvelous Designer to create detailed garment patterns, simulate cloth behavior, and seamlessly export OBJ files for integration with Cinema 4D, covering interface basics, pattern editing, sewing, motion testing, and final rendering to help beginners master 3D clothing workflows.
Apache Airflow is an open‑source platform for programmatically authoring, scheduling, and monitoring workflows using Directed Acyclic Graphs (DAGs), featuring components such as Scheduler, Web Server, Database, and various Executors, and offering easy‑to‑use, extensible, scalable, and robust integrations for data pipeline management.
The Promotion Platform 2.0 upgrade replaces the fragmented 1.0 system with a unified promotion model, low‑code DSL‑driven workflow, and QLExpress rule engine, enabling rapid creation of diverse promotional tools, consistent pricing calculations, and high‑performance caching while preserving stability for the ACG e‑commerce ecosystem.
Clear responsibility boundaries are essential for effective DevOps and SRE workflows, preventing endless fire‑fighting, aligning software and organizational structures, and ensuring sustainable delivery across business stages. They also highlight how team size and expertise affect process clarity and when to choose DevOps‑first or SRE‑guided approaches.
Amid the ongoing pandemic, the article examines how 58’s Cloud Efficiency platform redesigns project collaboration—covering full lifecycle roles, a unified messaging system, concept simplification, high‑efficiency pages, and multi‑dimensional displays—to formulate a clear efficiency equation that drives measurable office productivity gains.
This article introduces the need for workflow engines, compares the three major Java‑based engines (Activiti, Flowable, Camunda), explains BPMN notation, and provides detailed guidance on using Flowable's Eclipse Designer, IDEA plugins, flowable‑ui, bpmn.js, and related Vue components to model, deploy, and manage business processes.
This article explains what Apache Airflow DAGs are, describes their architecture and how they model data pipelines as directed acyclic graphs, and provides practical best‑practice guidelines for writing clean, reproducible, and resource‑efficient workflows.
This article details the motivation, design goals, architecture, and implementation steps of a reverse transaction microservice that handles cash and promotional refunds, reduces technical debt, and improves operational efficiency for a fast‑moving e‑commerce platform.
Learn how to replace tangled if‑else code with a visual workflow engine using CompileFlow, from setting up the designer and BPM files to binding data, methods, conditions, and executing a sample chicken‑training process, while understanding the underlying principles and practical tips.
This article explains why Python is an ideal language for data analysis, covering its simplicity, extensive libraries, compatibility with big‑data platforms, and a step‑by‑step workflow that includes data acquisition, storage, preprocessing, modeling, and visualization, while also highlighting useful tools and resources.
The document outlines SmartIDE’s open‑source cloud‑native IDE, its multi‑language support and tooling, and details a comprehensive development workflow that enables product teams and community contributors to work in parallel using Azure DevOps, GitHub, Gitee, Feishu, and automated CI/CD pipelines.
This article explains how to abstract repetitive data‑report tasks into a standardized workflow, describes the core capabilities of scheduling and configuration, shows how to implement DAG‑based visual editors, and compares similar platforms such as n8n and Orange, offering practical code examples and design insights.
This article chronicles the step‑by‑step evolution of a workflow engine, detailing how simple sequential approvers were expanded into hierarchical trees supporting parallel, multi‑sign, conditional, proxy, and scripted nodes, while introducing state management, rejection handling, and progress metrics.
Facing a tangled SMS routing system with many third‑party providers, I replaced cumbersome if‑else and serial queries with LiteFlow’s lightweight rule engine, using parallel checks, EL expressions, sub‑variables, and context‑based data flow to create a flexible, maintainable, and hot‑reloadable workflow, even for multithreaded tasks.
This comprehensive guide walks you through why and how to start contributing to open‑source projects, from selecting suitable repositories and finding good first issues to forking, cloning, creating branches, committing, handling CI checks, resolving conflicts, and successfully submitting and merging your first Pull Request on GitHub.
This article explains what a workflow is, introduces the Activiti 7 workflow engine, walks through environment setup with Maven and MySQL, and provides complete Java code examples for initializing tables, deploying processes, starting instances, querying definitions, deleting deployments, and retrieving BPMN/PNG resources.
This article provides a detailed tutorial on Activiti 7 workflow engine, covering workflow fundamentals, BPMN modeling, environment setup, Maven dependencies, configuration files, process deployment, instance creation, task querying and completion, process definition management, resource extraction, and historical data inspection, all illustrated with Java code examples.
This article explains the core concepts of low‑code platforms, defining low‑code as visual (declarative) programming, comparing declarative and imperative approaches, and detailing front‑end rendering with JSON‑to‑React, multiple backend storage strategies, logic execution models, workflow engines, and future trends.
This guide explains how to plan an application by defining the problem it solves, understanding users and goals, then outlines systematic steps to analyze, improve, and automate business workflows, including practical questions, optimization methods, and a detailed expense‑report case study.
This guide walks through installing Flowable 6.6.0, deploying its UI, modeling a leave‑approval process, exporting the BPMN file, configuring a Spring Boot backend, understanding Flowable's database tables, and using the engine's APIs to start, query, and complete workflow tasks.
This article provides an in‑depth tutorial on Activiti 7 workflow management, covering workflow concepts, system architecture, BPMN modeling, environment setup, Maven dependencies, database configuration, deployment methods, process execution, task handling, and historical data retrieval for Java backend development.
This article walks through the design, core data structures, and complete lifecycle of Workflow’s compact yet fully‑featured C thread‑pool (thrdpool), explaining its API, synchronization mechanisms, graceful shutdown strategy, and how tasks can be scheduled or even destroy the pool from within.
This guide walks developers through five practical Git commands—stash, reset --soft, cherry‑pick, revert, and reflog—explaining their purpose, typical scenarios, exact syntax, and how to integrate them into daily workflows, plus tips for creating short Git aliases.
The article explains how technical leaders can apply quantitative analysis and systematic measurement to optimize both software system performance and organizational workflows, using a picture‑recognition service example and a real‑world DevOps incident to illustrate the need for end‑to‑end process mapping, bottleneck identification, and continuous improvement.
Bilibili built an AI collaboration platform based on AIFlow to simplify real-time machine-learning workflows, evolving through three stages that added event-driven scheduling, UI-driven parameter management, version snapshots, and a stateless client-server design, while enabling stream-batch fusion for feature back-filling; future work targets high availability, Airflow 2.0 compatibility, and richer streaming ML operators.
This article outlines practical strategies for organizing, reducing, and testing art assets in game development, covering resource reference standards, systematic reduction workflows, timely management of seasonal assets, detailed QA testing guidelines, and solutions to common testing challenges.
This article demonstrates how to deploy Flowable‑UI, design a BPMN leave‑approval process, configure a Spring Boot backend, explain Flowable database tables, and use the Flowable engine APIs with complete Java code examples to run and manage the workflow.
The article walks through the evolution of a custom workflow engine, starting with a linear approval chain and progressively adding parallel, conditional, nested, and proxy nodes, while introducing node states, time limits, scripts, and progress metrics to handle increasingly complex business requirements.
This article narrates the step‑by‑step evolution of a workflow engine, starting with a basic sequential approver list and progressively adding countersign, parallel, conditional, delegation, timeout, scripting, and nesting capabilities, illustrating a tree‑based architecture and node‑state management for robust backend process automation.
This guide explains four popular Git workflows—Centralized, Feature Branch, Git Flow, and Forking—detailing their structures, advantages, and step‑by‑step commands so development teams can choose the right model for efficient, conflict‑free collaboration.
This guide outlines a practical 3D design workflow for operation designers, recommending Cinema 4D for modeling, Blender for material, lighting and rendering, and Photoshop for post‑processing, while highlighting software compatibility issues and offering step‑by‑step tips to accelerate learning.
This article provides a comparative overview of several popular big‑data workflow schedulers—including Oozie, Azkaban, Airflow, XXL‑Job, and DolphinScheduler—detailing their supported task types, visual workflow definition, monitoring capabilities, pause/resume features, high‑availability options, and other notable characteristics.
This article explains how 58's Process Open Platform uses a low‑code approach with a visual form designer and a JSON‑schema‑driven renderer to dramatically improve the efficiency of creating, maintaining, and deploying business forms and approval workflows.
This article introduces the Apache DolphinScheduler 2.x RESTful API endpoints for workflow definitions, task definitions, and workflow‑task relations, provides detailed parameter tables, and includes Java code examples for token‑based API calls and creating workflows via both direct and multi‑step approaches.
This article explains what a workflow engine is, why it is used, compares different workflow types, introduces the three major standards BPMN, CMMN, and DMN, and details the core components and design considerations of business process, case, and decision engines.
