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This guide shows how to display a custom ASCII art logo in the console by adding a banner.txt file to the resources folder and using Spring Boot's built‑in variables such as ${AnsiColor} and ${spring-boot.version} to customize the appearance.
This article shows how to create a reusable GET request wrapper for WeChat Mini Programs, demonstrating the function that appends a base URL, passes query parameters, sets JSON headers, and handles success and failure callbacks.
This guide explains why Zipkin loses trace data after a restart when using the default in‑memory storage and provides step‑by‑step instructions to configure persistent storage with MySQL or Elasticsearch, including database setup, SQL schema, startup commands, and verification.
This guide explains Zipkin’s core components—Collector, Storage, RESTful API, and Web UI—then walks through downloading the executable jar, placing it on a Linux server, creating start and stop shell scripts with proper permissions, and finally launching the Zipkin server and accessing its web interface.
This article outlines the design and implementation of a three‑day graduation demo system that digitizes county cultural heritage, offers searchable displays, a creative product marketplace, user authentication, and monitoring, using a Spring Boot back‑end, Vue.js front‑end, MySQL, Redis, Docker, and CI/CD pipelines.
This guide walks through the end-to-end setup of a WeChat public-account keyword auto-reply, covering the message flow, required server configuration in the WeChat console, and Java servlet implementations for the GET verification and POST message-handling endpoints.
When @Data and @Builder are used together on a Lombok‑annotated class, the generated code can lose getters, setters, and the no‑argument constructor, leading to compilation failures; the article explains the cause and shows how to fix it with @NoArgsConstructor and @RequiredArgsConstructor.
This article walks through the complete process of obtaining a WeChat Mini Program user's OpenID by using wx.login to get a code, calling the updated auth.code2Session API with appid and appsecret, and handling the server‑side Java implementation that extracts the OpenID and session key.
When running `free -h` on a Linux system, you may notice the buff/cache entry consuming over a gigabyte, leaving little memory for applications; this article explains that the cache is built from file I/O, shows how to manually drop it via `/proc/sys/vm/drop_caches`, and provides a cron‑based script to automate the cleanup.
This article walks through a straightforward back‑office permission system, defining permissions as resource collections, presenting a five‑table database schema, and explaining how classic Role‑Based Access Control (RBAC) simplifies permission management for multiple users.
