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Jeremiah Say

Independent builder in Singapore. Sourced data you can check: greencalculus.com (carbon factors), graciousquotes.com (quotes), perbowl.com (pet food), toggle9.com (calculators).

Location Singapore Joined Joined on  Personal website https://greencalculus.com

Education

Singapore Institute of Technology

Work

Founder · GreenCalculus, GraciousQuotes, PerBowl, Toggle9

FDA now classifies pet food recalls 4.7x faster than before 2020. Here's the 40-line check, and the trap in it
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FDA now classifies pet food recalls 4.7x faster than before 2020. Here's the 40-line check, and the trap in it

#python #opendata #datascience #data
1
Comments
6 min read

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Who said this quote? Matching misremembered quotes when people never type them right
jeremiah_say profile

Who said this quote? Matching misremembered quotes when people never type them right

#php #mysql #search #algorithms
1
Comments
4 min read
Same-day pet food recall alerts from one FDA JSON file and a cron job
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Same-day pet food recall alerts from one FDA JSON file and a cron job

#php #wordpress #opendata #cron
Comments
4 min read
A fair Secret Santa draw with exclusions is a matching problem
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A fair Secret Santa draw with exclusions is a matching problem

#javascript #algorithms #math #webdev
Comments
5 min read
Summing 50,000 emission line items in the wrong order changes your total
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Summing 50,000 emission line items in the wrong order changes your total

#javascript #webdev #programming #carbon
1
Comments
4 min read
I Built a Carbon Calculator Where the Emission Factor Doesn't Exist
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I Built a Carbon Calculator Where the Emission Factor Doesn't Exist

#showdev #javascript #webdev #datascience
Comments 2
4 min read
The "Audit Trail" Pattern: Architecture for Immutable Sustainability Data
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The "Audit Trail" Pattern: Architecture for Immutable Sustainability Data

#webdev #architecture #sustainability #database
Comments
3 min read
Floating-point will quietly corrupt your emissions math, and 0.1 + 0.2 already warned you
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Floating-point will quietly corrupt your emissions math, and 0.1 + 0.2 already warned you

#javascript #programming #math #carbon
1
Comments
6 min read
CSRD/ESRS E1 disclosure requirements, translated into data fields — a developer's map
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CSRD/ESRS E1 disclosure requirements, translated into data fields — a developer's map

#javascript #sustainability #php #carbon
3
Comments
7 min read
Building a SHA-256 audit trail for emission factor provenance in WordPress
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Building a SHA-256 audit trail for emission factor provenance in WordPress

#php #sustainability #wordpress #carbon
Comments
6 min read
How to build a grid emission factor lookup in Vanilla JS using IEA 2026 regional data
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How to build a grid emission factor lookup in Vanilla JS using IEA 2026 regional data

#javascript #sustainability #webdev #carbon
Comments
5 min read
Building a zero-dependency carbon calculator platform — architecture decisions and why I rejected every framework
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Building a zero-dependency carbon calculator platform — architecture decisions and why I rejected every framework

#javascript #webdev #sustainability #css
Comments
4 min read
Why most carbon calculators are using the wrong methane GWP value (and how to fix it)
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Why most carbon calculators are using the wrong methane GWP value (and how to fix it)

#sustainability #javascript #opensource #carbon
Comments
2 min read
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