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Vector databases for AI applications have become essential infrastructure for RAG (Retrieval-Augmented Generation), semantic search, and recommendation systems in 2026. The best vector databases—Pinecone, Milvus, Qdrant, Weaviate, Chroma, pgvector, and Elasticsearch—provide efficient similarity search over high-dimensional embeddings at scale. Choosing vector databases requires evaluating query latency, index types (HNSW, IVF), deployment models (managed vs self-hosted), and cost structures. Pinecone excels as a fully managed solution with minimal operations, while Milvus provides maximum control for self-hosted deployments. Qdrant offers Rust-based performance with Docker simplicity, and pgvector extends PostgreSQL with vector capabilities. Vector database performance directly impacts RAG application quality—slow retrieval degrades LLM response times and increases costs. For teams building LLM applications, vector database selection is as critical as model choice. ...

Emulator terminala je alat koji većina programera koristi stalno, ali rijetko preispituje svoj odabir. Mnogi odaberu jedan u prvoj godini i nikad ne promijene. No, krajolik terminala dramatično se promijenio — GPU-ubrzano renderiranje, ugrađeni multipleksing i protokoli za slike učinili su starije terminale sporima. Ovaj vodič uspoređuje osam emulatora terminala prema podršci za platforme, značajkama i stvarnom iskustvu programera. Brzi odgovor Terminal Platforma GPU renderiranje Najbolji za Ghostty macOS/Linux ✅ macOS korisnici koji žele nativni osjećaj WezTerm Cross-platform ✅ Cross-platform + Lua konfiguracija Kitty macOS/Linux ✅ Napredne korisnike, protokol za slike Alacritty Cross-platform ✅ Minimaliste u paru s tmux iTerm2 macOS ❌ macOS korisnici koji preferiraju GUI postavke Windows Terminal Windows ✅ Windows programere foot Linux (Wayland) ❌ Wayland minimaliste Rio Cross-platform ✅ Rust entuzijaste Napomena o latenciji unosa Latencija unosa — kašnjenje između pritiska tipke i pojavljivanja znaka na zaslonu — važna je za iskustvo programera. Međutim, pouzdana mjerenja latencije teško je proizvesti i znatno variraju ovisno o hardveru, OS-u, kompozitoru, frekvenciji osvježavanja zaslona i metodologiji mjerenja. ...