김신건의 로그 - 전체 최신글, 위키, 노트의 최신 업데이트를 한곳에 모은 통합 피드https://shinkeonkim.com/ko-KR[노트] Embedding은 semantic similarity와 relationship을 포착하는 high-dimensional numeric vec…https://shinkeonkim.com/notes/2026-07-03-embedding/https://shinkeonkim.com/notes/2026-07-03-embedding/Embedding은 semantic similarity와 relationship을 포착하는 high-dimensional numeric vector로 data를 mapping 하는 것Thu, 02 Jul 2026 18:20:00 GMTkoa (김신건)[위키] [DB] Transaction Isolation Levels: 완벽 가이드https://shinkeonkim.com/wiki/database-internals/transaction-isolation-levels/https://shinkeonkim.com/wiki/database-internals/transaction-isolation-levels/Thu, 02 Jul 2026 00:00:00 GMTtransactionisolationdatabaseacidmvccpostgresqlmysqlkoa (김신건)[위키] [DRF] Filtering: django-filter, SearchFilter, OrderingFilterhttps://shinkeonkim.com/wiki/django/drf-filtering/https://shinkeonkim.com/wiki/django/drf-filtering/Wed, 01 Jul 2026 00:00:00 GMTdrffiltersearchorderingdjango-filterkoa (김신건)[위키] [DRF] Schemas + OpenAPI: 자동 문서화https://shinkeonkim.com/wiki/django/drf-schemas-openapi/https://shinkeonkim.com/wiki/django/drf-schemas-openapi/Wed, 01 Jul 2026 00:00:00 GMTdrfopenapiswaggerdocumentationspectacularkoa (김신건)[위키] [DRF] Testing: APIClient, APITestCase, force_authenticatehttps://shinkeonkim.com/wiki/django/drf-testing/https://shinkeonkim.com/wiki/django/drf-testing/Wed, 01 Jul 2026 00:00:00 GMTdrftestingpytestapi-testingkoa (김신건)[글] Rails 에서의 Read/Write Database 분리https://shinkeonkim.com/posts/2026-06-29-rails-read-write-database-split/https://shinkeonkim.com/posts/2026-06-29-rails-read-write-database-split/Rails 의 Multiple Databases 기능으로 HTTP 메서드에 따라 read/write DB 를 자동 분리하는 패턴, GET 인데 쓰기가 필요할 때 ForceWrite concern 으로 role 을 일시 승격시키는 방법, 그리고 replication lag 등 실전 함정까지 정리합니다.Mon, 29 Jun 2026 00:00:00 GMTrailsactiverecorddatabaseread-replicascalingperformancekoa (김신건)[글] 글 쓰는 즐거움을 위해 직접 만든 세 개의 도구: 에디터, 스튜디오, 차트 에디터https://shinkeonkim.com/posts/2026-06-25-blog-dev-tools/https://shinkeonkim.com/posts/2026-06-25-blog-dev-tools/shinkeonkim.com 안에 살고 있는 세 가지 개발 전용 도구의 기능을 한자리에 모았다. 마크다운 에디터, 애니메이션 스튜디오, Chart.js 에디터까지.Thu, 25 Jun 2026 00:00:00 GMTblogdevtoolseditorstudiochartastrokoa (김신건)[위키] [Voice AI] Agent 패턴: Supervisor, Handoff, ReAct, HITLhttps://shinkeonkim.com/wiki/ai/agent-patterns/https://shinkeonkim.com/wiki/ai/agent-patterns/Thu, 25 Jun 2026 00:00:00 GMTagentmulti-agentsupervisorhandoffreacthitlkoa (김신건)[위키] [Voice AI] LLM Serving: vLLM, PagedAttention, continuous batchinghttps://shinkeonkim.com/wiki/ai/llm-serving-vllm/https://shinkeonkim.com/wiki/ai/llm-serving-vllm/Thu, 25 Jun 2026 00:00:00 GMTllm-servingvllmpaged-attentionkv-cachettftkoa (김신건)[위키] [Voice AI] Pipecat vs LiveKit Agents: 프레임워크 비교https://shinkeonkim.com/wiki/ai/pipecat-livekit/https://shinkeonkim.com/wiki/ai/pipecat-livekit/Thu, 25 Jun 2026 00:00:00 GMTpipecatlivekitvoice-frameworkagentsfukoa (김신건)[위키] [Voice AI] 음성 에이전트 아키텍처: Cascading / Streaming / S2S + Latency Budgethttps://shinkeonkim.com/wiki/ai/voice-agent-architecture/https://shinkeonkim.com/wiki/ai/voice-agent-architecture/Thu, 25 Jun 2026 00:00:00 GMTvoice-agentarchitecturelatencystreamingcascadings2skoa (김신건)[위키] [Voice AI] 음성 우선 프롬프트 + Function Calling + Structured Outputhttps://shinkeonkim.com/wiki/ai/voice-first-prompt/https://shinkeonkim.com/wiki/ai/voice-first-prompt/Thu, 25 Jun 2026 00:00:00 GMTpromptfunction-callingstructured-outputvoice-llmkoa (김신건)[위키] [Voice AI] Voice RAG: 지연 병목 + 예측적 프리페치https://shinkeonkim.com/wiki/ai/voice-rag/https://shinkeonkim.com/wiki/ai/voice-rag/Thu, 25 Jun 2026 00:00:00 GMTvoice-ragragvector-dblatencyprefetchkoa (김신건)[위키] [Algorithm] Karatsuba 곱셈: O(n²) 벽을 깬 분할 정복https://shinkeonkim.com/wiki/algorithm/divide/karatsuba/https://shinkeonkim.com/wiki/algorithm/divide/karatsuba/Thu, 25 Jun 2026 00:00:00 GMTalgorithmdivide-and-conquermultiplicationbig-integermathkoa (김신건)[위키] 비트셋 LCS (Bitset LCS)https://shinkeonkim.com/wiki/algorithm/dp/bitset-lcs/https://shinkeonkim.com/wiki/algorithm/dp/bitset-lcs/Thu, 25 Jun 2026 00:00:00 GMTalgorithmdplcsstringbitset-optimizationkoa (김신건)[위키] 덱 활용 구간 최댓값 트릭 (Monotonic Deque Trick)https://shinkeonkim.com/wiki/algorithm/dp/deque-trick/https://shinkeonkim.com/wiki/algorithm/dp/deque-trick/Thu, 25 Jun 2026 00:00:00 GMTalgorithmdpoptimizationdequedata-structureskoa (김신건)[위키] 분할정복 DP 최적화 (Divide and Conquer Optimization)https://shinkeonkim.com/wiki/algorithm/dp/divide-and-conquer-optimization/https://shinkeonkim.com/wiki/algorithm/dp/divide-and-conquer-optimization/Thu, 25 Jun 2026 00:00:00 GMTalgorithmdpoptimizationdivide-and-conquerkoa (김신건)[위키] 커넥션 프로파일 DP (Broken Profile DP)https://shinkeonkim.com/wiki/algorithm/dp/dp-connection-profile/https://shinkeonkim.com/wiki/algorithm/dp/dp-connection-profile/Thu, 25 Jun 2026 00:00:00 GMTalgorithmdpdp-connection-profilebitmaskkoa (김신건)[위키] 덱 DP (슬라이딩 윈도우 최적화)https://shinkeonkim.com/wiki/algorithm/dp/dp-deque/https://shinkeonkim.com/wiki/algorithm/dp/dp-deque/Thu, 25 Jun 2026 00:00:00 GMTalgorithmdpdp-dequeoptimizationkoa (김신건)[위키] SOS DP (Sum Over Subsets)https://shinkeonkim.com/wiki/algorithm/dp/dp-sum-over-subsets/https://shinkeonkim.com/wiki/algorithm/dp/dp-sum-over-subsets/Thu, 25 Jun 2026 00:00:00 GMTalgorithmdpsos-dpbitmaskkoa (김신건)[위키] Hirschberg (히르쉬버그) LCShttps://shinkeonkim.com/wiki/algorithm/dp/hirschberg/https://shinkeonkim.com/wiki/algorithm/dp/hirschberg/Thu, 25 Jun 2026 00:00:00 GMTalgorithmdplcsstringdivide-and-conquerkoa (김신건)[위키] 크누스 최적화 (Knuth Optimization)https://shinkeonkim.com/wiki/algorithm/dp/knuth/https://shinkeonkim.com/wiki/algorithm/dp/knuth/Thu, 25 Jun 2026 00:00:00 GMTalgorithmdpoptimizationdivide-and-conquerkoa (김신건)[위키] 불변량 (Invariant)https://shinkeonkim.com/wiki/algorithm/foundation/invariant/https://shinkeonkim.com/wiki/algorithm/foundation/invariant/Thu, 25 Jun 2026 00:00:00 GMTalgorithmfoundationinvariantkoa (김신건)[위키] 보이어-무어 다수결 투표 (Boyer-Moore Majority Vote)https://shinkeonkim.com/wiki/algorithm/foundation/majority-vote/https://shinkeonkim.com/wiki/algorithm/foundation/majority-vote/Thu, 25 Jun 2026 00:00:00 GMTalgorithmfoundationmajority-votekoa (김신건)[위키] 순열 사이클 분해 (Permutation Cycle Decomposition)https://shinkeonkim.com/wiki/algorithm/foundation/permutation-cycle-decomposition/https://shinkeonkim.com/wiki/algorithm/foundation/permutation-cycle-decomposition/Thu, 25 Jun 2026 00:00:00 GMTalgorithmfoundationpermutation-cycle-decompositionkoa (김신건)[위키] 번사이드 보조정리 (Burnside's Lemma)https://shinkeonkim.com/wiki/algorithm/game/burnside/https://shinkeonkim.com/wiki/algorithm/game/burnside/Thu, 25 Jun 2026 00:00:00 GMTalgorithmgameburnsidecombinatoricskoa (김신건)[위키] 게임 이론 (Game Theory)https://shinkeonkim.com/wiki/algorithm/game/game-theory/https://shinkeonkim.com/wiki/algorithm/game/game-theory/Thu, 25 Jun 2026 00:00:00 GMTalgorithmgamegame-theorykoa (김신건)[위키] Hackenbush (하켄부시 게임)https://shinkeonkim.com/wiki/algorithm/game/hackenbush/https://shinkeonkim.com/wiki/algorithm/game/hackenbush/Thu, 25 Jun 2026 00:00:00 GMTalgorithmgamehackenbushkoa (김신건)[위키] 스프라그-그런디 정리 (Sprague-Grundy)https://shinkeonkim.com/wiki/algorithm/game/sprague-grundy/https://shinkeonkim.com/wiki/algorithm/game/sprague-grundy/Thu, 25 Jun 2026 00:00:00 GMTalgorithmgamesprague-grundykoa (김신건)[위키] 안정 결혼 문제 (Stable Marriage)https://shinkeonkim.com/wiki/algorithm/game/stable-marriage/https://shinkeonkim.com/wiki/algorithm/game/stable-marriage/Thu, 25 Jun 2026 00:00:00 GMTalgorithmgamestable-marriagekoa (김신건)[위키] 각도 정렬 (Angle Sorting)https://shinkeonkim.com/wiki/algorithm/geometry/angle-sorting/https://shinkeonkim.com/wiki/algorithm/geometry/angle-sorting/Thu, 25 Jun 2026 00:00:00 GMTalgorithmgeometryangle-sortingkoa (김신건)[위키] 볼록 껍질 (Convex Hull)https://shinkeonkim.com/wiki/algorithm/geometry/convex-hull/https://shinkeonkim.com/wiki/algorithm/geometry/convex-hull/Thu, 25 Jun 2026 00:00:00 GMTalgorithmgeometryconvex-hullkoa (김신건)[위키] 오일러 지표 (Euler Characteristic)https://shinkeonkim.com/wiki/algorithm/geometry/euler-characteristic/https://shinkeonkim.com/wiki/algorithm/geometry/euler-characteristic/Thu, 25 Jun 2026 00:00:00 GMTalgorithmgeometryeuler-characteristickoa (김신건)[위키] 도형 불 연산 (Geometric Boolean Operations)https://shinkeonkim.com/wiki/algorithm/geometry/geometric-boolean-operations/https://shinkeonkim.com/wiki/algorithm/geometry/geometric-boolean-operations/Thu, 25 Jun 2026 00:00:00 GMTalgorithmgeometrygeometric-boolean-operationskoa (김신건)[위키] 기하 (Geometry) 기본https://shinkeonkim.com/wiki/algorithm/geometry/geometry/https://shinkeonkim.com/wiki/algorithm/geometry/geometry/Thu, 25 Jun 2026 00:00:00 GMTalgorithmgeometryfoundationkoa (김신건)[위키] 3D 기하 (Geometry) 기본https://shinkeonkim.com/wiki/algorithm/geometry/geometry-3d/https://shinkeonkim.com/wiki/algorithm/geometry/geometry-3d/Thu, 25 Jun 2026 00:00:00 GMTalgorithmgeometrygeometry-3dkoa (김신건)[위키] 4차원 이상 기하 (Hyper Geometry)https://shinkeonkim.com/wiki/algorithm/geometry/geometry-hyper/https://shinkeonkim.com/wiki/algorithm/geometry/geometry-hyper/Thu, 25 Jun 2026 00:00:00 GMTalgorithmgeometrygeometry-hyperkoa (김신건)[위키] 그린 정리 (Green's Theorem)https://shinkeonkim.com/wiki/algorithm/geometry/green/https://shinkeonkim.com/wiki/algorithm/geometry/green/Thu, 25 Jun 2026 00:00:00 GMTalgorithmgeometrygreenkoa (김신건)[위키] Half-Plane Intersectionhttps://shinkeonkim.com/wiki/algorithm/geometry/half-plane-intersection/https://shinkeonkim.com/wiki/algorithm/geometry/half-plane-intersection/Thu, 25 Jun 2026 00:00:00 GMTalgorithmgeometryhalf-plane-intersectionkoa (김신건)[위키] 선분 교차 (Line Segment Intersection)https://shinkeonkim.com/wiki/algorithm/geometry/line-intersection/https://shinkeonkim.com/wiki/algorithm/geometry/line-intersection/Thu, 25 Jun 2026 00:00:00 GMTalgorithmgeometryline-intersectionkoa (김신건)[위키] 최소 외접원 (Minimum Enclosing Circle)https://shinkeonkim.com/wiki/algorithm/geometry/min-enclosing-circle/https://shinkeonkim.com/wiki/algorithm/geometry/min-enclosing-circle/Thu, 25 Jun 2026 00:00:00 GMTalgorithmgeometrymin-enclosing-circlekoa (김신건)[위키] Pick 정리 (Pick's Theorem)https://shinkeonkim.com/wiki/algorithm/geometry/pick/https://shinkeonkim.com/wiki/algorithm/geometry/pick/Thu, 25 Jun 2026 00:00:00 GMTalgorithmgeometrypickkoa (김신건)[위키] 평면 그래프 (Planar Graph)https://shinkeonkim.com/wiki/algorithm/geometry/planar-graph/https://shinkeonkim.com/wiki/algorithm/geometry/planar-graph/Thu, 25 Jun 2026 00:00:00 GMTalgorithmgeometryplanar-graphkoa (김신건)[위키] 볼록 다각형 내부 점 판정 (Point in Convex Polygon)https://shinkeonkim.com/wiki/algorithm/geometry/point-in-convex-polygon/https://shinkeonkim.com/wiki/algorithm/geometry/point-in-convex-polygon/Thu, 25 Jun 2026 00:00:00 GMTalgorithmgeometrypoint-in-convex-polygonkoa (김신건)[위키] (오목 포함) 다각형 내부 점 판정 (Point in Polygon)https://shinkeonkim.com/wiki/algorithm/geometry/point-in-non-convex-polygon/https://shinkeonkim.com/wiki/algorithm/geometry/point-in-non-convex-polygon/Thu, 25 Jun 2026 00:00:00 GMTalgorithmgeometrypoint-in-non-convex-polygonkoa (김신건)[위키] 다각형 넓이 (Polygon Area)https://shinkeonkim.com/wiki/algorithm/geometry/polygon-area/https://shinkeonkim.com/wiki/algorithm/geometry/polygon-area/Thu, 25 Jun 2026 00:00:00 GMTalgorithmgeometrypolygon-areakoa (김신건)[위키] 피타고라스 정리 (Pythagorean Theorem)https://shinkeonkim.com/wiki/algorithm/geometry/pythagoras/https://shinkeonkim.com/wiki/algorithm/geometry/pythagoras/Thu, 25 Jun 2026 00:00:00 GMTalgorithmgeometrypythagoraskoa (김신건)[위키] 회전 캘리퍼스 (Rotating Calipers)https://shinkeonkim.com/wiki/algorithm/geometry/rotating-calipers/https://shinkeonkim.com/wiki/algorithm/geometry/rotating-calipers/Thu, 25 Jun 2026 00:00:00 GMTalgorithmgeometryrotating-caliperskoa (김신건)[위키] 선인장 그래프 (Cactus Graph)https://shinkeonkim.com/wiki/algorithm/graph/cactus/https://shinkeonkim.com/wiki/algorithm/graph/cactus/Thu, 25 Jun 2026 00:00:00 GMTalgorithmgraphcactustreecyclekoa (김신건)[위키] 서큘레이션 (Circulation)https://shinkeonkim.com/wiki/algorithm/graph/circulation/https://shinkeonkim.com/wiki/algorithm/graph/circulation/Thu, 25 Jun 2026 00:00:00 GMTalgorithmgraphcirculationflownetwork-flowkoa (김신건)