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BeGoodTool.com

Hi, I'm Joe, solo founder of BeGoodTool, one of the world's largest web tool platforms. I single-handedly build lightweight, instant-access utilities to solve everyday digital problems.

Location Taipei, Taiwan Joined Joined on  Personal website https://begoodtool.com/home/en github website

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Solo Founder & Developer at BeGoodTool

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A "maintenance margin ratio" isn't one formula — it's two, and mixing them up gives you the wrong liquidation price
joe8_lin_tw profile

A "maintenance margin ratio" isn't one formula — it's two, and mixing them up gives you the wrong liquidation price

#javascript #webdev
Comments
6 min read
Turns out a "random" spin wheel doesn't pick a winner and rotate to it — it spins first, then checks who's standing there
joe8_lin_tw profile

Turns out a "random" spin wheel doesn't pick a winner and rotate to it — it spins first, then checks who's standing there

#javascript #webdev
2
Comments
5 min read

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Why regex match highlighting breaks on nested capture groups (I found out the hard way building a tester)
joe8_lin_tw profile

Why regex match highlighting breaks on nested capture groups (I found out the hard way building a tester)

#javascript #webdev
1
Comments
5 min read
Why "just convert everything to UTC" is the wrong way to find a meeting time across time zones
joe8_lin_tw profile

Why "just convert everything to UTC" is the wrong way to find a meeting time across time zones

#javascript #webdev
2
Comments
6 min read
Turns out my "random group splitter" doesn't roll any dice — here's what it does instead
joe8_lin_tw profile

Turns out my "random group splitter" doesn't roll any dice — here's what it does instead

#javascript #webdev
3
Comments
6 min read
Why signed binary ranges are asymmetric (I only really got it after building a converter)
joe8_lin_tw profile

Why signed binary ranges are asymmetric (I only really got it after building a converter)

#javascript #webdev
5
Comments
4 min read
Turns out "fancy Instagram fonts" are just Unicode — here's how I built a generator for it
joe8_lin_tw profile

Turns out "fancy Instagram fonts" are just Unicode — here's how I built a generator for it

#javascript #webdev
4
Comments
4 min read
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