Data Analytics & Business Intelligence

Data Engineering is the practice of designing and building systems for collecting, storing and...

Prediction markets move fast — and so does their data. As Polymarket grew to billions in monthly...

A no-fluff guide to instrumenting a React Native or Expo app from day one. AARRR metrics, the activation event trick, the one chart that matters, and a day-one

TL;DR: 95% of AML alerts are noise. We spent years assuming better detection models would fix that....

The Problem We Were Actually Solving We needed a backfill pipeline that could re-index 60...

Your Pipeline Is 19.4h Behind: Catching World Sentiment Leads with Pulsebit We recently...

Your pipeline is 20.0h behind: catching music sentiment leads with Pulsebit We just...

An AI answer about business data should not be a dead end. If someone asks: “Where did that number...

The journals don't reject papers because the palette is wrong. They just give you another revision...

Who this is for Use this when you want to understand a company from primary sources...

Microsoft Fabric Copy Job CDC with SQL estate is now generally available. Here is what BI and data engineering teams can actually do with it.

The Experiment Over the past 6 months, I've been tracking every single Manus AI task I...

Your pipeline is 23.8 hours behind: catching inflation sentiment leads with Pulsebit We...

When every report requires a 2-week ticket to the data team, the data team IS the bottleneck. How Airbnb decentralized data ownership.

Poland has over 3 million registered businesses spread across two separate public registries — KRS...

Avro schemas widely used with messaging systems like Apache Kafka to serialize messages into a...

Your pipeline just missed a significant anomaly: a 24h momentum spike of +0.706 in music sentiment....

Polymarket has thousands of markets. Their UI is built for depth on a single market — bet slip,...

Best Resources to Learn Azure Data Engineering Online Introduction Many companies collect huge...

The demand for skilled data scientists continues to grow rapidly across industries like healthcare,...

TL;DR: Learn a very simple way to normalize, dedupe, and fuzzy-match records that refer to the same...

In my previous article, I wrote about the GitHub mining process in user research and explained how it...

Why AI is Used in Data Analytics AI is used because it saves time and reduces manual work. Data...

A practical comparison of Umami, Plausible, and Fathom for teams migrating off Google Analytics, with code examples and self-hosting notes.

A postmortem-style DEV article about an AI training dataset whose hash was correct while its source, rights, transform, and reviewer history were missing.

Every scraping project I start, the same question comes up: do I actually need mobile proxies for...

🏢 I Landed an Internship at a Futuristic Tech Company — And Met the Entire Data...

It's been a few months since I last wrote about Data Preprocessor, the IntelliJ plugin I built to...

Introduction Technology has affected the way that both people and organizations make their...

Anyone involved in quantitative trading knows that the core of a backtesting system is not how fancy...

### By Bettrails Data Lab *Technical Classification: Data Science / Predictive Modeling / Sports...

By Okparaji Wisdom | Data Scientist | Nigeria Retailers in Nigeria lose millions of naira every...

𝐅𝐚𝐜𝐭𝐨𝐫𝐬 𝐟𝐨𝐫 𝐒𝐞𝐥𝐞𝐜𝐭𝐢𝐧𝐠 𝐚𝐧𝐝 𝐃𝐞𝐬𝐢𝐠𝐧𝐢𝐧𝐠 𝐃𝐚𝐭𝐚 𝐒𝐭𝐨𝐫𝐞𝐬: Primary Considerations for designing a Data Store or...

Data centers are the beating heart of our digital world—powering AI, cloud computing, streaming, and...

A single slow query can cascade through your entire application. It holds connections, stalls other...

Micro Supply Chain: Anatomy of the Data Flow Mechanism A delay in shipment reports from a...

So, I had to build this data pipeline that grabs financial market data. Daily. Sounds simple,...

Introduction The foundation of every successful Power BI report is reliable data...

Picture this. It's a Tuesday evening. Half the students are in the room. The other half are little...

Building Geospatial Intelligence Services for Latin America Most geospatial tooling is...

Enterprise modernization often fails not because of technology choices, but because of weak data...

TL;DR — On May 23, 2026, Donald Trump posted on Truth Social at 21:50 UTC that a US–Iran ceasefire...

Every photo taken on a smartphone has EXIF metadata baked in. GPS coordinates, device serial number,...

You have been using python and you have written scripts that pull data, clean it and load it...

During my self-taught data science journey, I kept hitting the same wall: I'd learn a concept in a...

How to read TON's TVL correctly, STON.fi and DeDust volumes, the rise of liquid staking and stablecoin market cap. Concrete numbers with DefiLlama references.

How TON has moved relative to BTC and ETH from 2021 to 2026. Coefficients, decorrelation cycles, the Telegram dependency and the role of airdrops in shifting.

Reading the TON section on DeFiLlama: protocol TVL, methodology pitfalls, fake liquidity, jetton wrappers, staking double-counting and where DeFiLlama systemati