Tech Articles
Curated developer articles, tutorials, and guides – auto-updated hourly
Collins7-code6d ago • 2 min read
I'm 17 in Ghana. I built a solar-sizing tool on my phone — here's the code and every bug I hit.
Ghana sits under some of the strongest sunshine on earth. Solar supplies about 1–3% of our grid...
#python#buildinpublic#datascience#programming
10 2
Maya Andersson1d ago • 8 min read
A judge that agrees with your humans 92 percent of the time can be at 60 percent where the gate actually decides
TL;DR: Judge-human agreement is almost always reported as one number over a whole validation set....
#llm#statistics#testing#datascience
2 1
Panagiotis Gkilis2d ago • 3 min read
Speaker embeddings can mistake a 0.7-semitone change for something else
A matched-content replication across three speaker encoders, and the measurement error that nearly g...
#machinelearning#ai#research#datascience
0 0
Nishant Banginwar1d ago • 5 min read
DBSCAN Has No Loss Function. That's Not a Bug.
Classic Machine Learning Through the Eyes of an SRE — Part 6 DBSCAN was the first algorithm in my.....
#machinelearning#ai#devops#datascience
0 0
corpdigest5d ago • 2 min read
Your acquisitions table needs a status field, not a boolean
Most schemas model corporate acquisitions as a join table: acquirer_id, target_id, price,...
#database#sql#datascience
0 0
Hidenari Fujiwara5d ago • 5 min read
Building an Incremental Financial Data Pipeline on a Free Tier (¥0 Infrastructure)
My stock research pipeline ingests prices and financials for every listed company in Japan, runs...
#python#datascience#architecture#tutorial
0 0
Srdjan Popovic17h ago • 8 min read
Our Documentation Was Lying. The Model Believed It.
There is a variable called slp — sea-level pressure. Our API documentation lists it as available. Ou...
#machinelearning#api#datascience#llm
0 1
Mike Frol3d ago • 7 min read
The arbitrage that wasn't: when two markets are identical but their oracles aren't
The arbitrage that wasn't I build a scanner that looks for cross-venue arbitrage in...
#engineering#datascience#javascript#webdev
0 0
Maya Andersson1d ago • 3 min read
Six prompt-optimization frameworks: what matters when you run them on the same task
TL;DR: I ran six prompt-optimization frameworks against the same task and the same eval metric over ...
#machinelearning#datascience#llm#promptengineering
1 0
Build a Hooper6d ago • 5 min read
I Pulled the Weight Table Out of a Basketball Sim. The Positions Form a Line.
Build a Hooper is a browser game where you draft thirteen attributes onto one player and simulate a....
#gamedev#datascience#javascript#showdev
1 0
Maki Vlach6d ago • 3 min read
We measured the "AI review tax" across 5,388 repos. The median repo doesn't pay one.
The claim you hear from one side is that AI-written code is a review burden everywhere. The claim...
#ai#opensource#programming#datascience
1 2
Zeke4d ago • 4 min read
Bot timing has an entropy signature, and you can measure it on live Nostr data
Inter-event gap-entropy tells scheduled bots apart from humans on real Nostr relays. Here are the ac...
#bitcoin#nostr#security#datascience
1 0
Hidenari Fujiwara5d ago • 4 min read
Japan's Stock Exchange Has an Official API for Individuals. Almost Nobody Outside Japan Knows About It.
A practical developer's guide to J-Quants — the Japan Exchange Group's official market data API —...
#python#api#datascience#finance
0 0
Philemon Adaghe1d ago • 4 min read
Raw Data Clean Data Analysis Insights Decision
Now, let's go through the important topics of data analyst roadmap: 🚀 Data Analyst Roadmap — Part ...
#discuss#python#datascience#writing
0 0
Naomi Jepkorir4d ago • 4 min read
The Mindset Shift: Data Cleaning in Data Science vs. Data Engineering
I could have written about another tool I’ve picked up on my data engineering journey, but I found.....
#data#dataengineering#datascience
0 0
Prabhat Anand1d ago • 4 min read
Getting Started with WEKA: A Beginner’s Guide to Machine Learning Without Code
Getting started with machine learning WEKA for Beginners: A Practical Introduction to Machine...
#weka#datamining#machinelearning#datascience
0 0
untactit1d ago • 3 min read
24 of the 30 duplicate groups were not duplicates
We grouped an asset database by title and found 30 groups of "duplicates." Content hashing dissolved...
#database#programming#ai#datascience
0 0
Peter Ndumia1d ago • 5 min read
Why Extracting Tables From a PDF Is Harder Than It Looks (and How We Actually Do It)
If you have ever copy-pasted a table out of a PDF, you already know what happens. Rows collapse into...
#pdf#datascience#productivity#architecture
0 0
Aurelio Nakamura2d ago • 3 min read
Show DEV: dataloupe – turn any CSV/Parquet/Excel into one offline, self-contained HTML explorer
I kept hitting the same annoying wall: someone hands me a CSV (or a Parquet dump, or an Excel...
#datascience#showdev#opensource#javascript
0 13
Ahmed Abdeltawab4d ago • 3 min read
The head of your CSV is lying: how 9,291 invoice numbers almost vanished
Real transaction data is never clean — and the worst part is that it looks clean. This is a short...
#python#datascience#pandas#tutorial
0 0
SyncSoft.AI1d ago • 6 min read
The Scrape-First Era Is Over: Your Training Data Is a Supply Chain Now
Epoch AI projects the effective stock of public human text runs out between 2026 and 2032, and the E...
#ai#machinelearning#datascience#llm
0 0
Nilesh Kumar12h ago • 2 min read
Why Power BI Copilot Delivers Wrong Answers (and What It Costs You)
Microsoft says Power BI Copilot is nondeterministic and can give wrong answers. The business cost, t...
#ai#dataengineering#architecture#datascience
1 0
Talha Bin Rais11h ago • 5 min read
confusion-10
Yes — if you want to restart the ML part from the beginning, this is actually a good point to...
#ai#architecture#datascience#machinelearning
0 0
Nylah Reynard5d ago • 5 min read
The zero we almost published belonged to a different column
A line in our own research file said four named humanizers preserve zero percent of your Markdown...
#ai#python#writing#datascience
0 0