Mobile version of tech blog https://jianghushinian.cn/, covering Golang, Docker, Kubernetes and beyond.
This article explains the zero‑size nature of Go's empty struct, demonstrates how its memory address behaves, shows its impact on struct alignment, and presents multiple practical patterns such as set implementation, large arrays, signal channels, no‑op methods, interface stubs, and the noCopy identifier.
This article introduces the Go library grequests—a clone of Python's requests—demonstrates its installation, compares its API with net/http, and provides concise examples for GET, POST, query strings, basic authentication, and file upload/download, highlighting its simplicity and advantages for HTTP client development.
This article explains how to design a unified business error‑code system for RESTful APIs, demonstrates the structure and format of such codes, provides a Go implementation with structs, interfaces and formatting methods, and shows practical usage in a Gin web server including logging and notification strategies.
This article explores Go naming conventions, covering directory, package, and file naming rules, practical examples, community consensus, and personal recommendations to help developers create clear, maintainable project structures.
This article explains the principles and recommended layout for organizing a large Go web project, covering readability, extensibility, standard Go project layout, and detailed descriptions of directories such as /cmd, /internal, /pkg, /configs, /deployments, and supporting files to improve maintainability and scalability.
This comprehensive guide explains what open source is, distinguishes permissive and copyleft licenses, details common licenses such as MIT, Apache‑2.0, GPL, LGPL, AGPL, and MPL, shows how to apply a license in a project, and highlights a Chinese GPL infringement case.
This article introduces the xgo tool for Go, explains its cross‑platform monkey‑patching capabilities, demonstrates how to write unit tests with mock.Patch, shows installation, usage of Trap, Trace, and incremental coverage features, and evaluates its advantages and drawbacks for backend development.
This article provides an in‑depth tutorial on the sqlx package for Go, covering installation, type design, database connection methods, query execution, named parameters, transaction handling, prepared statements, unsafe scanning, field‑mapping customization, and practical code examples to simplify working with relational databases.
This article demonstrates how to apply Monkey Patching in Go using the gomonkey library to unit‑test a simple HTTP service, covering code examples, dependency analysis, patch creation, test execution parameters, and practical considerations such as inlining and concurrency limitations.
This article explains how to resolve external file dependencies in Go unit tests by creating temporary files with os.CreateTemp, initializing global variables, and leveraging the embed package to embed changelog files as []byte or a file system, providing complete code examples and test results.
