Vim Tutorial

Simi published on 2023-12-22 included in Tool

Vim is a highly configurable text editor that has been around for decades. It's known for its steep learning curve, but once mastered, it can greatly improve your productivity and efficiency when working with text.

Run LLM Locally

Simi published on 2023-12-21 included in AI

Running an LLM locally is useful in fewer situations than the internet makes it sound. But in the right setup, it is genuinely valuable.

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High Concurrrency System Design

Simi published on 2023-12-20 included in Backend

High concurrency is not a special architecture style. It is what happens when ordinary systems meet enough traffic, enough fan-out, or enough bad assumptions.

RESTful API Best Practices

Simi published on 2023-12-19 included in Backend

Most REST API advice is too shallow to help once an API has real traffic, multiple clients, and years of compatibility baggage. The hard part is not remembering what GET or POST means. The hard part is keeping the contract stable while product requirements keep changing.

Flutter Impeller: A New Era of Smoothness and Performance

Simi published on 2023-12-08 included in App

Impeller is a brand new rendering engine designed from the ground up to address Flutter's 「early-onset jank」 issue. Unlike the traditional Skia engine, Impeller pre-compiles shaders during the build process, eliminating the need for runtime compilation that can cause occasional hiccups.

Devin Six Months Later: Gap Between Ideal and Reality

Simi published on 2023-11-15 included in AI

Devin launched half a year ago. $500/month, marketed as the first AI software engineer. Real feedback: what it can do, what it can't, and why most teams ended up not using it heavily.