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⚡ AI Lessons
Dev.to · Alex Merced
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Apache Data Lakehouse Weekly: July 29 to August 5, 2026
This was a week of decisions. Iceberg closed two spec votes, Parquet reopened its versioning question...
Dev.to · Alex Merced
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
4w ago
Apache Polaris 1.7.0 and the Quiet Work of Making a Catalog Trustworthy
A Spark job commits a table update. The catalog writes the change to Postgres. Then the network drops...
Dev.to · Alex Merced
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1mo ago
Apache Data Lakehouse Weekly: July 21 to July 29, 2026
This was a week where the open lakehouse stack spent most of its energy on contracts. Not legal...
Dev.to · Alex Merced
📣 Digital Marketing & Growth
⚡ AI Lesson
1mo ago
The Filters We Build: How Every New Medium Rewires Our Defenses, From Radio Ads to AI Slop
My grandparents' generation learned to tune out the radio pitchman. My parents learned to mute the...
Dev.to · Alex Merced
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1mo ago
Apache Data Lakehouse Weekly: July 16 to July 23, 2026
The lakehouse community spent this week deciding what belongs in the format and what belongs outside...
Dev.to · Alex Merced
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1mo ago
Apache Data Lakehouse Weekly: July 11 to July 18, 2026
The open lakehouse stack spent this week arguing about what belongs in a spec and what belongs in a...
Dev.to · Alex Merced
🧠 Large Language Models
⚡ AI Lesson
1mo ago
When Gatekeepers Panic: The Encyclopédie, Open AI Models, and the Politics of Accessible Knowledge
In 1759, Pope Clement XIII ordered the owners of a book to hand their copies to a priest for burning....
Dev.to · Alex Merced
🤖 AI Agents & Automation
⚡ AI Lesson
1mo ago
Deterministic Data Engineering With AI Harnesses: Using Claude Code, Codex, Antigravity, and OpenCode for Data Work You Can Actually Trust
There is an apparent contradiction at the heart of using AI agents for data work, and resolving it...
Dev.to · Alex Merced
🤖 AI Agents & Automation
⚡ AI Lesson
1mo ago
Designing Your Own AI Harness: A Deep Dive Into the Architecture of Agent Loops, Tools, Context, and Control
The most underappreciated finding in applied AI this year fits in one statistic: a major framework...
Dev.to · Alex Merced
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1mo ago
File Encryption for the Lakehouse: The Terminology, the Machinery, and the Hard Problem of Interoperable Encrypted Tables
For years, the open lakehouse had an honest gap that practitioners whispered about and slide decks...
Dev.to · Alex Merced
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1mo ago
A Deep Dive Into File Compression: How Data Gets Smaller, Why Codecs Differ, and What to Actually Use in the Lakehouse
Somewhere in your data platform right now, a single configuration property is quietly deciding a...
Dev.to · Alex Merced
📋 Product Management
⚡ AI Lesson
1mo ago
A Reader's Guide to My Books: Which One to Pick Up, Depending on What You're Building
The question I get most often after talks, after podcast episodes, and in newsletter replies is a...
Dev.to · Alex Merced
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1mo ago
The File Format Renaissance: Parquet, Lance, Vortex, Nimble, BtrBlocks, and the New Physics of Columnar Storage
For a decade, the file format layer was the most settled real estate in data. Apache Parquet held the...
Dev.to · Alex Merced
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1mo ago
Lakehouse Table Formats in 2026: Iceberg, Delta Lake, Hudi, Paimon, and DuckLake, How They Work, Where They Stand, and Where They're Going
The table format war is over, and the table formats are not. Both halves of that sentence are true,...
Dev.to · Alex Merced
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1mo ago
Block vs. Object Storage: A Deep Dive Into the Foundation of Modern Data, and How the Lakehouse Made the Slow Option Fast
Here is one of the strangest and most consequential plot twists in the history of data...
Dev.to · Alex Merced
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1mo ago
Federation and the Lakehouse: Two Roads to Unified Data Access, and How to Know Which One to Take
Every data strategy document written this decade contains some version of the same sentence: we need...
Dev.to · Alex Merced
🤖 AI Agents & Automation
⚡ AI Lesson
1mo ago
Personal Context vs. Shared Context: A Deep Dive Into How Humans and Organizations Should Feed Their AI Agents
The most important discovery of the agent era fits in one sentence: most AI failures are context...
Dev.to · Alex Merced
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1mo ago
The Who, What, and Why of Semantic Layers: The Layer That Decides Whether Your Numbers Can Be Trusted
There is a survey statistic making the rounds this year that I cannot stop quoting: 84 percent of...
Dev.to · Alex Merced
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1mo ago
Apache Data Lakehouse Weekly: July 1 to July 8, 2026
The lakehouse community spent this week deciding how change itself should work. Apache Parquet opened...
Dev.to · Alex Merced
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1mo ago
The State of Apache Parquet in 2026: The Quiet Format Enters Its Loudest Decade
Apache Parquet is thirteen years old, holds more of the world's analytical data than any other...
Dev.to · Alex Merced
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1mo ago
The State of Apache Arrow in 2026: Ten Years In, the Invisible Standard Is Everywhere
In February 2026, Apache Arrow turned ten years old. The first commit landed on February 5th, 2016,...
Dev.to · Alex Merced
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1mo ago
The State of Apache Polaris in July 2026: From Incubating Catalog to the Governance Layer of the Open Lakehouse
I have a personal stake in this one, so let me declare it up front. Apache Polaris was co-created by...
Dev.to · Alex Merced
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1mo ago
The State of Streaming to Apache Iceberg in July 2026: Every Path, Its Latency, and What to Do When Seconds Are Not Fast Enough
The most common architecture question I get in 2026 is no longer "should we use Iceberg." That one is...
Dev.to · Alex Merced
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
1mo ago
The State of Apache Iceberg v4 in July 2026: What the Dev List Tells Us About the Format's Next Chapter
If you want to know where Apache Iceberg is headed, do not read the press releases. Read the dev...
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