Alexander Obregon's Substack

Go Testing Benchmarks and How They Are Measured

What Go Ranges Actually Return Inside Loops

Behind the Scenes of Go Slices and Backing Arrays

Captcha Validation in Spring Boot Login Forms

Why Go's Defer Statements Run Backward

Delete Rows Based on a Join Condition

Daily Summary Emails in Spring Boot Using Scheduled Tasks and Templates

Writing Tests in Go Without Extra Tools

Go Maps and the Hidden Cost of Assignment

LeetCode #18: 4Sum — Solved in Java