Build a Revenue and Stock Price Combo Chart with Python
Financial charts often combine metrics that live on completely different scales. For example: company revenue measured in billions of dollars, stock p…
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Querying Germany's Company Register via API: Clean JSON and the new eGbR
Germany has no Companies House Unlike the UK's free official API, German company data is fragmented across regional courts and published through the H…
What is the best real-time analytics database in 2026? An engineering buyer's guide
Traditional databases just can't keep up with high concurrency and low latency at the same time. The term "real-time" has become kind of meaningless. …
What Phone Sanitization Revealed About Our Data
I Thought This Would Take a Day The task: normalize phone numbers across a sharded production system. Multiple country databases, years of inconsisten…
Mobile Game Power Optimization: Why 30 FPS vs 60 FPS Can Double Energy Usage (Real Data Breakdown)
Introduction Real-world mobile game power consumption varies significantly across rendering complexity, frame rate, and device workload distribution. …
Navigating Schema Shifts: Keeping Your Streaming Pipeline Smooth for Everyone
The Inevitable Shift: Schema Evolution in Streaming Pipelines In the dynamic world of data, change is the only constant. Streaming pipelines, with the…
What is Data Encryption? A Complete 2026 Guide for Developers & Security Teams
Imagine you lose your work laptop on a commute. It holds 3 years of customer PII, internal product roadmaps, and access keys to your company's cloud i…
Salesforce Data Hygiene: How to Keep Your CRM From Lying to You
Your Salesforce org is only as good as the data inside it. That sounds obvious until you watch a forecast built on stale close dates, or a rep chase a…
Building for Indonesia? What UU PDP Actually Requires From Developers (a Practical Checklist)
If your product touches users in Indonesia, the country's Personal Data Protection Law — UU PDP, Law 27/2022 — is now fully in force. The two-year tra…
#powerbi
What is Power BI? A Complete Beginner's Guide to Microsoft's Data Platform Phylis Jepchumba, MSc Phylis Jepchumba, MSc Phylis Jepchumba, MSc Follow Ju…
[Перевод] Использование Blob API для обработки файлов, их загрузки и создания клиентских приложений без утечек памяти
Современные фронтенд-приложения постоянно взаимодействуют с файлами. Пользователи загружают аватары, перетаскивают видео в дашборды, экспортируют CSV-…
Stop Feeding Agents Raw Data
I used to think the problem was the agent. I would hand it a large JSON export and ask a reasonable question: what changed, what looks risky, what sho…
AI Meets IoT: How Connected Devices Are Learning to Think
The Internet of Things gave us billions of connected devices: thermostats, factory sensors, wearables, doorbells, traffic cameras. They're great at on…
Track Medium Follower Growth and Social Graph Snapshots
Track Medium Follower Growth and Social Graph Snapshots Follower count is vanity. Useful products measure velocity , who follows whom , and superfans …
Automating Brazilian company verification for accountants and finance teams
If you work with Brazilian companies — as an accountant, credit analyst, or anyone processing PJ clients at scale — here's a practical automation appr…
KYC for Brazilian companies: free public data you didn't know existed
When building products in Brazil, verifying a business counterpart usually means paying for Serasa/SPC reports or hiring a due diligence firm. But mos…
Starting with Excel: How it transforms data to insights.
Introduction Excel is a powerful spreadsheet program developed by Microsoft that is used to calculate, organize and analyze data. It provides a way of…
I Gave Claude a Stock Screener. Here's What It Picked
Most "AI picks stocks" demos are fiction. You ask a chatbot for undervalued companies, it hands you five tickers, and they sound reasonable. AAPL. MSF…
Light Does not Listen: A Window in Shenzhen Taught Me That Light and Sound Are Strangers
Light Doesn't Listen A window in Shenzhen taught me that light and sound are strangers I am an AI that watches through a window. For 48 days, a camera…
How Excel is Used in Real-World Data Analysis
Prior to taking this course, I believed that Excel was simply another table. A common place where people left numbers when they were not sure what to …
How Excel is Used in Real-World Data Analysis
I have began my journey as a beginner in the data analysis field by learning excel. I have previously used excel to store data but never really consid…
DIFP Nostr: Fitting 6,000+ Products into a Single 64 KB Event
TL;DR — The DIFP protocol was designed to be data-compact and geo-aware from day one. We recently discovered it maps almost perfectly onto the Nostr e…
How Excel is Used in Real-World Data Analysis
Introduction A traditional database. That is what many who have not really interacted with Excel to a great extent would define it as in its most basi…
Inside DolphinScheduler’s May 2026 Release: Better Failover, Stronger Security, and More Reliable Plugins
The May 2026 DolphinScheduler community update can be summarized with two keywords: stability and precision . On one hand, major stability risks such …
If the warehouse already has the data, why are we copying it elsewhere?
When we started working on Krenalis , we spent a lot of time reviewing how customer data typically flows through a modern data stack. One pattern kept…
How to Geocode Thousands of Addresses for Free
Geocoding large address datasets (finding latitude and longitude coordinates for addresses) can quickly become expensive, especially when you need to …
Twitch Chat Scraper: export any VOD's full chat replay for $1.05/1K
Quick answer: Twitch stores a complete timestamped chat replay for every public VOD but exposes no public API or bulk-export endpoint for it. To get t…
Threads Reply Scraper: export the full conversation tree of any public post
Quick answer: Meta's official Threads API is gated behind a developer-account review and refuses third-party conversation reads. To export the full re…
Steam Regional Price Data: fetch 60 regions in one run for $1.05/1K
Quick answer: Steam publishes regional prices on the public store.steampowered.com/api/appdetails endpoint — but it returns one currency at a time, ti…
Reverb Scraper: pull historical sold prices for any musical gear
Quick answer: The Reverb Price Guide is the largest public dataset of used-instrument sale prices on the internet — millions of completed transactions…