A senior iOS developer explains Swift, iOS, software design, and AI tools from first principles.https://www.dev-paw.com/enhttps://www.dev-paw.com/en/swift-strategy-pattern-protocol-closure/https://www.dev-paw.com/en/swift-strategy-pattern-protocol-closure/Have you ever dealt with code where if-else branches kept multiplying for each payment method?Sun, 12 Jul 2026 15:00:00 GMTSwift전략패턴디자인패턴프로토콜https://www.dev-paw.com/en/solid-isp-dip-dependency-injection/https://www.dev-paw.com/en/solid-isp-dip-dependency-injection/In the previous article, we covered the first three letters of SOLID—SRP, OCP, and LSP. Today, we’ll wrap up the remaining two.Sun, 12 Jul 2026 15:00:00 GMTSOLID원칙ISPDIP의존성주입https://www.dev-paw.com/en/principle-of-least-astonishment-side-effects/https://www.dev-paw.com/en/principle-of-least-astonishment-side-effects/Have you ever encountered a function like this during a code review?Sun, 12 Jul 2026 15:00:00 GMT최소놀람의원칙POLA네이밍부수효과https://www.dev-paw.com/en/naver-blog-ai-automation-policy/https://www.dev-paw.com/en/naver-blog-ai-automation-policy/These days, many more people are writing blog posts with AI tools such as ChatGPT and Claude. If you take it a step further, you may even start wondering, "Why not automate everything from generating the post to publishing it?"Sun, 12 Jul 2026 15:00:00 GMT네이버블로그AI자동화블로그자동화네이버블로그정책https://www.dev-paw.com/en/mcp-server-setup-security/https://www.dev-paw.com/en/mcp-server-setup-security/Using ChatGPT or Claude can leave you wanting more. The models are smart, but they cannot see your database or read your internal wiki.Sun, 12 Jul 2026 15:00:00 GMTMCPModelContextProtocolAI에이전트Claudehttps://www.dev-paw.com/en/dry-principle-wrong-abstraction/https://www.dev-paw.com/en/dry-principle-wrong-abstraction/There’s one scene I come across remarkably often during code reviews.Sun, 12 Jul 2026 15:00:00 GMTDRY원칙코드중복리팩토링실용주의프로그래머https://www.dev-paw.com/en/composition-vs-inheritance/https://www.dev-paw.com/en/composition-vs-inheritance/If you study object-oriented programming, you will inevitably encounter this sentence: “Favor composition over inheritance.”Sun, 12 Jul 2026 15:00:00 GMT컴포지션상속객체지향https://www.dev-paw.com/en/yagni-principle-software-development/https://www.dev-paw.com/en/yagni-principle-software-development/“We might need it later. Should we build it in advance?”Sat, 11 Jul 2026 15:00:00 GMTYAGNI익스트림프로그래밍오버엔지니어링개발원칙https://www.dev-paw.com/en/swift-singleton-shared-antipattern/https://www.dev-paw.com/en/swift-singleton-shared-antipattern/When developing with Swift, you encounter singletons created with a single line, static let shared, very often.Sat, 11 Jul 2026 15:00:00 GMTSwift싱글톤패턴iOS디자인패턴https://www.dev-paw.com/en/swift-origin-chris-lattner-objective-c/https://www.dev-paw.com/en/swift-origin-chris-lattner-objective-c/Anyone starting iOS development has wondered at least once: "Why did Apple create Swift from scratch instead of sticking with the Objective-C it was already using?"Sat, 11 Jul 2026 15:00:00 GMTSwift크리스래트너Objective-Chttps://www.dev-paw.com/en/swift-monostate-vs-singleton/https://www.dev-paw.com/en/swift-monostate-vs-singleton/For anyone who has wondered whether using a Singleton really is okaySat, 11 Jul 2026 15:00:00 GMTSwift모노스테이트싱글톤iOShttps://www.dev-paw.com/en/solid-srp-ocp-lsp-principles/https://www.dev-paw.com/en/solid-srp-ocp-lsp-principles/You have probably been asked at least once in an interview, “Could you explain the SOLID principles?”Sat, 11 Jul 2026 15:00:00 GMTSOLID원칙SRPOCPLSPhttps://www.dev-paw.com/en/objective-c-memory-management-mrc-arc/https://www.dev-paw.com/en/objective-c-memory-management-mrc-arc/If you work on iOS development, there’s probably something you’ve wondered about at least once.Sat, 11 Jul 2026 15:00:00 GMTObjective-CiOSARC메모리관리https://www.dev-paw.com/en/law-of-demeter-method-chaining/https://www.dev-paw.com/en/law-of-demeter-method-chaining/During code reviews, you’ve probably received feedback like this at least once.Sat, 11 Jul 2026 15:00:00 GMT디미터의법칙메서드체이닝클린코드객체지향https://www.dev-paw.com/en/claude-code-vs-codex/https://www.dev-paw.com/en/claude-code-vs-codex/One of the questions developers ask most often in communities these days is, "Which should I use, Claude Code or Codex?" I’ve paid for Claude for about a year and Codex for more than six months, using both every day, including the recently released Claude Fable 5 and GPT-5.6 Sol…Sat, 11 Jul 2026 15:00:00 GMTClaudeCodexClaudeCodeGPT-5.6https://www.dev-paw.com/en/claude-code-cursor-copilot-comparison/https://www.dev-paw.com/en/claude-code-cursor-copilot-comparison/This is probably the question that comes up most often in developer communities these days: "Which one should I actually use—Claude Code, Cursor, or Copilot?"Sat, 11 Jul 2026 15:00:00 GMTClaudeCodeCursorGitHubCopilot코딩AIhttps://www.dev-paw.com/en/objective-c-nil-vs-java-null/https://www.dev-paw.com/en/objective-c-nil-vs-java-null/There’s one thing that really confuses developers new to iOS.Fri, 10 Jul 2026 15:00:00 GMTObjective-CniliOSNullPointerExceptionhttps://www.dev-paw.com/en/objective-c-history-ns-prefix/https://www.dev-paw.com/en/objective-c-history-ns-prefix/When you start studying iOS development, there’s one language you’re bound to encounter: unfamiliar syntax filled with brackets and mysterious prefixes like NSString.Fri, 10 Jul 2026 15:00:00 GMTObjective-C프로그래밍언어iOShttps://www.dev-paw.com/en/objective-c-bracket-message-syntax/https://www.dev-paw.com/en/objective-c-bracket-message-syntax/It’s easy to feel confused when you first encounter Objective-C code after starting to study iOS.Fri, 10 Jul 2026 15:00:00 GMTObjective-CiOS프로그래밍언어https://www.dev-paw.com/en/objective-c-at-sign-syntax/https://www.dev-paw.com/en/objective-c-at-sign-syntax/When you first open Objective-C code, one thing immediately catches your eye.Fri, 10 Jul 2026 15:00:00 GMTObjective-C골뱅이문법at기호https://www.dev-paw.com/en/chatgpt-claude-gemini-subscription-review/https://www.dev-paw.com/en/chatgpt-claude-gemini-subscription-review/These days, hardly anyone goes without using at least one AI tool. But getting started can still be daunting.Fri, 10 Jul 2026 15:00:00 GMTAI비교ChatGPT클로드제미나이https://www.dev-paw.com/en/coder-vs-software-engineer/https://www.dev-paw.com/en/coder-vs-software-engineer/While studying software development, you may eventually wonder: "Am I a coder or a software engineer?"Sun, 22 Dec 2024 15:00:00 GMT코더소프트웨어엔지니어개발자개발자연봉https://www.dev-paw.com/en/kiss-principle-simple-code/https://www.dev-paw.com/en/kiss-principle-simple-code/When developing, it can strangely feel as though writing complicated code means you are doing a good job.Sun, 08 Dec 2024 15:00:00 GMTKISS원칙소프트웨어설계개발원칙클린코드https://www.dev-paw.com/en/swift-localizederror-custom-message/https://www.dev-paw.com/en/swift-localizederror-custom-message/When building an app with Swift, you may have caught an error with do-catch, only to find that the message displayed on screen was less than helpful.Sat, 07 Dec 2024 15:00:00 GMTSwiftLocalizedErrorerrorDescriptioniOS