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Day 8 - Relational Database 101 - PostgreSQL Internals
2+ hour, 14+ min ago (1576+ words) একবার একটু technological দিকে আসি, আপনি যখন Facebook বা LinkedIn-এ কাউকে message করেন তখন সেটা সরাসরি তার কাছে send হয়। Reason হচ্ছে আপনারা connected। এখানে আপনি directly message ত…...
Recursive CTEs: How SQL Secretly Learned to Loop
3+ hour, 30+ min ago (454+ words) Ask a SQL query to find "all employees under this manager," and things get ugly fast if you don't know how many levels deep the org chart goes. A regular join handles one level. Two joins handle two levels. Nobody's…...
I Replaced Chroma, Qdrant, and Pinecone With a SQLite File
1+ hour, 20+ min ago (165+ words) I needed a vector DB that didn’t require a daemon. SQLite was already there. Every RAG tutorial starts the same way. Step one: install …...
IEnumerable vs. IQueryable in C#
8+ hour, 3+ min ago (429+ words) This distinction sounds simple stated this way, but it has real, concrete consequences for where computation happens, how much data crosses the network, what C# expressions are even legal to write, and a specific, common class of bug that this…...
How to Rehearse Smart-Contract Rollback Before Calling a System Upgradeable
22+ hour, 29+ min ago (1225+ words) Rehearse smart-contract recovery on pinned forks: test migration checkpoints, user entitlements and authority, then preserve a reviewable rollback manifest. Tagged with solidity, web3, testing, security....
Where the Model Is Genuinely Load-Bearing
20+ hour, 59+ min ago (89+ words) Once you’ve accepted that the model belongs where being wrong is cheap and that its job is to produce artifacts code executes, a useful question follows …...
"EFFluentify: Convert EF Core Data Annotations to Fluent API in one command"
1+ day, 6+ hour ago (296+ words) One of my dreams when I started in software development was to build something like #include — a tool that other developers like me could actually reach for in their own projects. Now I have one. It's called EFFluentify, and this…...
Bitemporal CIEDE2000 Calibration: Event-Sourced PostgreSQL Queues and Low-Latency SSE Telemetry for Shadow’s 24fps Multimodal Synthesis Core
2+ day, 10+ hour ago (274+ words) Bitemporal CIEDE2000 Calibration: Event-Sourced PostgreSQL Queues and Low-Latency SSE... Tagged with saas, ai, architecture, devops....
Polygres: Advanced Search On PostgreSQL
2+ day, 12+ hour ago (51+ words) Programming book reviews, programming tutorials,programming news, C#, Ruby, Python,C, C++, PHP, Visual Basic, Computer book reviews, computer history, programming history, joomla, theory, spreadsheets and more....
ML-KEM vs Classic McEliece: Lattice vs Code-Based PQC
2+ day, 17+ hour ago (572+ words) The practical result of these two different math problems is a set of near-opposite tradeoffs. Lattice schemes pack their security into compact keys, at the cost of leaning on a decades-younger, less-battle-tested assumption. Code-based schemes lean on one of the…...