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Materialized views are obviously useful

news.ycombinator.com Unknown 2025-10-30 14:13:39

August 22, 2025 As programmers we spend a lot of time shuttling data back and forth between different systems and transforming it from one format to another. Sometimes it gets pretty miserable! Let’s say you’re making a fancy task tracking app. Tasks belong to projects, and on the projects page, you want to show how many tasks are in each project. Maybe you start with a little SQL that you call from your “get info about project” view model code: async function getTaskCountForProject ( project

Topics: await count redis task tasks
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SQLite async connection pool for high-performance

news.ycombinator.com Unknown 2026-01-14 16:26:32

aiosqlitepool aiosqlitepool is a high-performance connection pool for asyncio SQLite applications. By managing a pool of reusable database connections, it eliminates connection overhead and delivers significant performance gains. Important: aiosqlitepool is not a SQLite database driver. It's a performance-boosting layer that works with an asyncio driver like aiosqlite, not as a replacement for it. aiosqlitepool in three points: Eliminates connection overhead : It avoids repeated database co

Topics: async await conn connection pool
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A Mental Model for C++ Coroutine

news.ycombinator.com Lu'S Blog 2026-01-18 06:23:57

C++ coroutine is not a library that is ready to go (e.g. std::vector ). It is not even a trait (think of Rust’s Future trait) that library writers or users can implement (or the compiler generates for you in the case of Rust). C++ coroutine is a specification that defines a set of customization points that library writers implement in order to get a functional coroutine. A function supports two operations - call and return . A coroutine (in any language) is a generalization of a function. It su

Topics: awaitable coroutine future resume return
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Iroh: A library to establish direct connection between peers

news.ycombinator.com Unknown 2026-02-23 12:34:51

less net work for networks What is iroh? Iroh gives you an API for dialing by public key. You say “connect to that phone”, iroh will find & maintain the fastest connection for you, regardless of where it is. The fastest route is a direct connection, so if necessary, iroh tries to hole-punch. Should this fail, it can fall back to an open ecosystem of public relay servers. To ensure these connections are as fast as possible, we continuously measure iroh. Built on QUIC Iroh uses Quinn to estab

Topics: await echo endpoint iroh let
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