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Why I Built DagSmith: Bringing a Visual Drag-and-Drop Editor straight into Apache Airflow 3

Why I Built DagSmith: Bringing a Visual Drag-and-Drop Editor straight into Apache Airflow 3

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3 min read
Data Engineer Salary 2026: Every Survey Is Lying to You

Data Engineer Salary 2026: Every Survey Is Lying to You

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7 min read
Zero-Downtime MariaDB PostgreSQL Migration: Why the Usual Tools Fell Short, and How Debezium CDC Solved It

Zero-Downtime MariaDB PostgreSQL Migration: Why the Usual Tools Fell Short, and How Debezium CDC Solved It

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9 min read
Your AI Bill Is a Routing Problem, Not a Model Problem

Your AI Bill Is a Routing Problem, Not a Model Problem

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3 min read
Distributed Metadata Migration

Distributed Metadata Migration

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3 min read
PCI DSS 4.0 Just Made Your Staging Database a Liability. Here Is the Fix

PCI DSS 4.0 Just Made Your Staging Database a Liability. Here Is the Fix

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5 min read
Creating a QuantifiedSelf Dashboard - Part 1

Creating a QuantifiedSelf Dashboard - Part 1

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8 min read
The Model Didn't Change. A Parameter Disappeared. Thousands of Pipelines Broke.

The Model Didn't Change. A Parameter Disappeared. Thousands of Pipelines Broke.

BERJAYA 1
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2 min read
Common Mistakes New Data Engineers Make (And How to Avoid Them)

Common Mistakes New Data Engineers Make (And How to Avoid Them)

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3 min read
Building a right-click 'query this file' workflow in VS Code with DuckDB

Building a right-click 'query this file' workflow in VS Code with DuckDB

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2 min read
The Day I Realized "It Ran Successfully" Means Nothing in Databricks Production

The Day I Realized "It Ran Successfully" Means Nothing in Databricks Production

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6 min read
Cloud Bills Took a Decade to Get FinOps. AI Bills Won't Get That Long.

Cloud Bills Took a Decade to Get FinOps. AI Bills Won't Get That Long.

BERJAYA 1
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4 min read
Python batch를 Spark로 옮겼더니 802.675가 달라졌다

Python batch를 Spark로 옮겼더니 802.675가 달라졌다

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3 min read
A CSV quality report should not echo the data it rejects

A CSV quality report should not echo the data it rejects

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2 min read
Deterministic Data Engineering With AI Harnesses: Using Claude Code, Codex, Antigravity, and OpenCode for Data Work You Can Actually Trust

Deterministic Data Engineering With AI Harnesses: Using Claude Code, Codex, Antigravity, and OpenCode for Data Work You Can Actually Trust

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19 min read
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