MSakai

I simplify complex technologies to help beginners bridge the gap to real-world applications. I specialize in teaching practical skills for deep learning and front-end development.

Joined on Aug 2, 2026

MSakai

Aug 23

Test your FastAPI routes without touching the database

#fastapi #python #testing #api

2 min read

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MSakai

Aug 21

monkeypatch or mock.patch? One question decides it

#pytest #python #testing #mocking

2 min read

MSakai

Aug 19

Checking your A/B test every morning makes it lie to you

#statistics #datascience #python #abtesting

3 min read

MSakai

Aug 17

The context you passed is not the context that cancels

#go #concurrency #backend #programming

3 min read

MSakai

Aug 15

Five things that break when you move from Jest to Vitest

#vitest #jest #testing #javascript

3 min read

MSakai

Aug 13

Your Three.js scene is leaking, and removing the mesh didn't help

#threejs #javascript #webgl #performance

3 min read

MSakai

Aug 11

The pytest fixture that quietly leaks state between your tests

#pytest #python #testing #tdd

2 min read

MSakai

Aug 9

Fake timers and await are fighting in your Vitest test

#vitest #testing #typescript #javascript

2 min read

MSakai

Aug 7

Your Go table test passes, but not for the reason you think

#go #testing #concurrency #programming

3 min read

MSakai

Aug 5

satisfies replaced most of my type annotations, and all of my as

#typescript #javascript #webdev #programming

2 min read

MSakai

Aug 3

Why your vi.mock in Vitest silently does nothing

#vitest #testing #typescript #javascript

1 min read

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MSakai

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Writing Debut

Test your FastAPI routes without touching the database

Want to connect with MSakai?

monkeypatch or mock.patch? One question decides it

Checking your A/B test every morning makes it lie to you

The context you passed is not the context that cancels

Five things that break when you move from Jest to Vitest

Your Three.js scene is leaking, and removing the mesh didn't help

The pytest fixture that quietly leaks state between your tests

Fake timers and await are fighting in your Vitest test

Your Go table test passes, but not for the reason you think

satisfies replaced most of my type annotations, and all of my as

Why your vi.mock in Vitest silently does nothing