{"adoption": {"forks": 618, "observed_at": "2026-08-28T04:07:04.239055+00:00", "stars": 2609}, "canonical_url": "https://ross.abutalabs.com/products/cpp-design-patterns", "card": {"archived": false, "artifact_type": "learning-resource", "description": "C++设计模式", "domain": ["programming-languages", "tutorials"], "enriched": true, "function": ["developer-tools"], "health_score": 20, "homepage": null, "language": "C++", "license": null, "license_family": "other", "maturity": "active", "member_repos": ["liu-jianhao/Cpp-Design-Patterns"], "name": "liu-jianhao/Cpp-Design-Patterns", "platform": ["cpp", "cross-platform"], "pushed_at": "2024-10-11T08:12:29+00:00", "repo": "liu-jianhao/Cpp-Design-Patterns", "stars": 2609, "tags": ["design-patterns", "cpp", "object-oriented-design", "educational", "code-examples", "algorithms"], "topics": ["design-patterns", "cpp"], "urls": [], "use_cases": ["learn design patterns in c++", "c++ examples of singleton and factory patterns", "study object-oriented design principles", "reference for implementing observer or strategy pattern in c++", "prepare for software design interviews", "understand decorator and bridge pattern implementations"], "what_it_is": "A collection of C++ implementations of classic design patterns, organized by category such as component collaboration, object creation, and interface isolation. It also covers object-oriented design principles like DIP, OCP, and SRP with explanatory notes.", "when_to_avoid": ["you need a production-ready pattern library to link into your project", "you need a permissively licensed codebase (no license is provided)", "you need patterns in another language"], "when_to_choose": ["you want concise, runnable C++ examples of GoF design patterns", "you are learning OOP design principles alongside pattern implementations", "you prefer a categorized, tutorial-style repository"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/cpp-design-patterns", "repo": "liu-jianhao/Cpp-Design-Patterns", "role": "main", "score": 32}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:07:04.239055+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T02:20:54.595135+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "ff02706742581d5e5de594ce518e4b0410453eee6853300b20c9a4fb89b050bb", "fetched_at": "2026-08-28T04:07:04.239055+00:00", "kind": "readme", "missing": false, "url": "https://github.com/liu-jianhao/Cpp-Design-Patterns"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:07:04.239055+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T02:20:54.595135+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "ff02706742581d5e5de594ce518e4b0410453eee6853300b20c9a4fb89b050bb", "fetched_at": "2026-08-28T04:07:04.239055+00:00", "kind": "readme", "missing": false, "url": "https://github.com/liu-jianhao/Cpp-Design-Patterns"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T02:20:54.595135+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "ff02706742581d5e5de594ce518e4b0410453eee6853300b20c9a4fb89b050bb", "fetched_at": "2026-08-28T04:07:04.239055+00:00", "kind": "readme", "missing": false, "url": "https://github.com/liu-jianhao/Cpp-Design-Patterns"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:07:04.239055+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:07:04.239055+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:07:04.239055+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T02:20:54.595135+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "ff02706742581d5e5de594ce518e4b0410453eee6853300b20c9a4fb89b050bb", "fetched_at": "2026-08-28T04:07:04.239055+00:00", "kind": "readme", "missing": false, "url": "https://github.com/liu-jianhao/Cpp-Design-Patterns"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:07:04.239055+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:07:04.239055+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T02:20:54.595135+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "ff02706742581d5e5de594ce518e4b0410453eee6853300b20c9a4fb89b050bb", "fetched_at": "2026-08-28T04:07:04.239055+00:00", "kind": "readme", "missing": false, "url": "https://github.com/liu-jianhao/Cpp-Design-Patterns"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:07:04.239055+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:07:04.239055+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:07:04.239055+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T02:20:54.595135+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "ff02706742581d5e5de594ce518e4b0410453eee6853300b20c9a4fb89b050bb", "fetched_at": "2026-08-28T04:07:04.239055+00:00", "kind": "readme", "missing": false, "url": "https://github.com/liu-jianhao/Cpp-Design-Patterns"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:07:04.239055+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:07:04.239055+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T02:20:54.595135+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "ff02706742581d5e5de594ce518e4b0410453eee6853300b20c9a4fb89b050bb", "fetched_at": "2026-08-28T04:07:04.239055+00:00", "kind": "readme", "missing": false, "url": "https://github.com/liu-jianhao/Cpp-Design-Patterns"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T02:20:54.595135+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "ff02706742581d5e5de594ce518e4b0410453eee6853300b20c9a4fb89b050bb", "fetched_at": "2026-08-28T04:07:04.239055+00:00", "kind": "readme", "missing": false, "url": "https://github.com/liu-jianhao/Cpp-Design-Patterns"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T02:20:54.595135+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "ff02706742581d5e5de594ce518e4b0410453eee6853300b20c9a4fb89b050bb", "fetched_at": "2026-08-28T04:07:04.239055+00:00", "kind": "readme", "missing": false, "url": "https://github.com/liu-jianhao/Cpp-Design-Patterns"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T02:20:54.595135+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "ff02706742581d5e5de594ce518e4b0410453eee6853300b20c9a4fb89b050bb", "fetched_at": "2026-08-28T04:07:04.239055+00:00", "kind": "readme", "missing": false, "url": "https://github.com/liu-jianhao/Cpp-Design-Patterns"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 0, "longevity": 100, "rhythm": 35}, "computed_at": "2026-09-03T02:20:16.233290+00:00", "flags": ["no_releases", "no_license"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 2893, "days_push": 691, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 32, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}