Mobile version of tech blog https://jianghushinian.cn/, covering Golang, Docker, Kubernetes and beyond.
This article explains how Go's sync.Pool works, shows practical usage examples, walks through its source code, and details the underlying implementation, including Put/Get methods, pinning, and garbage‑collection interaction, helping developers efficiently reuse objects in concurrent programs.
Go’s built‑in concurrency primitives make parallel programming easy, but testing such code is tricky; this article explains the experimental testing/synctest package introduced in Go 1.24/1.25, shows how to rewrite flaky, slow tests into fast, reliable ones, and demonstrates its use with real‑world examples.
This article explores the origin of the Go programming language’s name, detailing its creation by Rob Pike, Robert Griesemer, and Ken Thompson, the emergence of the “golang” moniker, official naming conventions, and why the correct term remains simply Go.
Go 1.25 introduces a container‑aware default for GOMAXPROCS that automatically aligns the runtime’s parallelism with CPU limits in orchestrated environments, reducing throttling latency, improving efficiency, and making Go applications production‑ready out of the box.
This article explains how the Go dyno package lets you effortlessly read, modify, and serialize deeply‑nested JSON/YAML structures by providing Get, Set, Delete, Append and conversion utilities that work with map[string]interface{}, map[interface{}]interface{} and []interface{} without using reflection.
This article explains why converting a YAML document containing both numeric and string keys (e.g., 1 and "1") to JSON fails in Go using yaml.v3, demonstrates the resulting errors, and shows how to resolve the issue with dyno.ConvertMapI2MapS or alternative libraries, while also comparing behavior in Python and JavaScript.
In the AI‑driven era, Go programmers face a dilemma about mastering Python, and this article explains when Python is essential, how to prevent naïve code translation, and provides concrete examples of writing truly Pythonic code versus direct Go‑style conversions.
This article explains the role of the doc.go file in Go projects for centralized package documentation, demonstrates its structure with real examples, shows how to generate docs using godoc and go doc, and explores advanced uses like canonical import paths and code generation annotations.
Vibe Coding, introduced by Andrej Karpathy in 2025, lets developers describe software goals in natural language while large language models generate the code, reshaping the developer’s role, outlining the workflow, discussing tools, risks, and future prospects of this AI‑driven programming paradigm.
This comprehensive guide explores Go 1.23's iterator system, detailing the underlying principles of push and pull iterators, code transformations performed by the compiler, coroutine implementation, and practical examples that compare Go's approach with Python and JavaScript, helping developers master iterator usage and design.
