5 posts
Git bisect turns a manual commit hunt into an automated binary search.
Your CI is red on main, but it was green yesterday. Somewhere between then and now, a bug crept in. You could scroll through 200 commits, reading diffs and…
Stack traces tell you where a crash happened, not what caused it.
You know exactly where production crashed. The stack trace points to line 147 of . The exception is a on . You pull the code, run the tests, everything passes.…
Statistical debugging finds predicates correlated with crashes, but correlation is not a file and line number.
Statistical debugging gives you a sorted list of predicates, not a root cause. You instrument every branch and null check, run a hundred thousand executions,…
Statistical debugging promised to pinpoint bugs by correlating program behavior with failures.
Statistical debugging was supposed to end the era. Instrument your code, collect traces from thousands of runs, run a correlation analysis, and watch as the…
Mutation testing found a survivor and you have no idea what the mutation even does.
Your mutation testing report is full of survivors, and at least one of them makes no sense to you. The tool says it flipped a to a on line 47, or replaced an…