🧪 Error Lab

Detailed breakdowns of common (and not-so-common) programming errors. Each entry includes root-cause analysis, a proven fix, and a code snippet you can use immediately.

Showing entries matching Go. Clear filter.

2026-05-01

RecursionError: maximum recursion depth exceeded

This error occurs when a function calls itself continuously without ever reaching a terminating condition, also known as a base case. Python…

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2026-04-18

Go: expected 'package', found 'EOF'

In Go, every source file must begin with a `package` declaration (e.g., `package main` or `package utils`). This compilation error occurs wh…

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2026-04-22

MongoDB: MongoTimeoutError: Server selection timed out

This error signifies that the MongoDB driver in your application was unable to establish a connection to the database server within the spec…

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