#Testing

Why Your COBOL Migration Should Keep the Bugs

American Express researchers show where LLMs actually belong in mainframe modernization: writing the tests, not the Java.

Article · 1w ago4

Prove Your Python Code Correct with the Z3 SMT Solver

Encode a scheduler's invariants in Z3, get a counterexample, then a machine-checked proof for every input.

Tutorial · 2w ago0

Your Flaky Test Might Be a Use-After-Free

Buildkite traced intermittent Rails test failures to heap corruption in Ruby's hiredis driver — code that also ran in production.

Article · 3w ago6

Catch Breaking API Changes Before They Ship with Pact

Wire consumer-driven Pact tests into CI so a backend deploy fails before it breaks your frontend.

Tutorial · 3w ago0

Why Software Feels Buggier Across the Board

Faster cycles and thin QA turned users into free testers. The pattern is older than it looks.

Article · 4w ago1

The High Cost of Free Code: Why AI Demands Extreme Engineering Discipline

As AI agents generate code at ten times human speed, the old "ship fast, clean up later" playbook collapses under compounding technical debt.

Article · 1mo ago2

Lint, Format, and Test Python on Every Commit with pre-commit and Ruff

Wire up pre-commit hooks so broken or unformatted Python is caught automatically before it ever reaches your branch.

Tutorial · 1mo ago0