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⚡ AI Lessons
Dev.to · ThaSha
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
4mo ago
DataWeave Runtime Type Detection: Auto-Discover Schema Mismatches Before They Break Production
I built a schema discovery function for a 6-system integration last year. Each source sent different...
Dev.to · ThaSha
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
4mo ago
Recursive PII Masking in DataWeave: One Function for Any Depth (and the Null Trap)
A compliance audit found SSN values 4 levels deep in our API responses last year. One recursive...
Dev.to · ThaSha
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
4mo ago
Multi-Level GroupBy in DataWeave: 2 Traps That Break Your Nested Aggregations
I spent 2 days building a 3-level sales report in DataWeave. Region to country to product, with...
Dev.to · ThaSha
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
5mo ago
Config-Driven DataWeave Mapping: The Null Trap Nobody Warns You About
I had 12 tenants sending the same data in 12 different field names. Instead of writing 12 transforms,...
Dev.to · ThaSha
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
5mo ago
DataWeave Custom Functions: The Module Trap That Wastes Hours
TL;DR Your fun declaration works inline but breaks with "Unable to resolve reference" when moved to...
Dev.to · ThaSha
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
5mo ago
DataWeave Custom Functions: The Module Trap That Wastes Hours
TL;DR Your fun declaration works inline but breaks with "Unable to resolve reference" when moved to...
Dev.to · ThaSha
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
5mo ago
DataWeave XML to JSON: Handle Attributes, Namespaces, and Arrays
I built a legacy migration last year converting XML responses to JSON. The automatic conversion lost...
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