JO
James Okafor
Systems Engineer
GoSystems ProgrammingCLI ToolingDevOps
について
James is a systems engineer and Go enthusiast who focuses on high-performance microservices, command-line tooling, and infrastructure automation. He enjoys the simplicity and explicitness of Go and writes about building fast, reliable backend systems. When not coding he explores distributed systems concepts and contributes to open-source Go libraries.
James Okafor の記事
JSON Formatter Go — MarshalIndent() ガイドGo
Goでjson.MarshalIndent()を使ってJSONをフォーマット。struct tags、カスタムMarshalJSON、json.Indent、Decoderストリーミング、go-jsonを解説。インストール不要。
JSON Formatter·2026-03-10
Go encoding/base64 デコードガイドGo
Go encoding/base64でBase64デコード。StdEncoding vs URLEncoding、JWT検査、ストリーミング。Go 1.21+。
Base64 Decode·2026-03-14