scripts/run_benchmarks.sh: runs BenchmarkDotNet benchmarks (markdown + csv exporters).
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Security footage showed that Alexander Friedmann had been infiltrating the building for months. Some days, he carried a clipboard, like a supervisor; other times, he lugged a bucket.Photograph by Dan Winters for The New Yorker
A filled torus (a doughnut) is a 3-manifold homeomorphic to \(S^1 \times D^2\), where \(D^2\) is the 2-dimensional disk. There exists a deformation retract from the doughnut to a circle, so the fundamental group of the doughnut is \(\pi_1(S^1 \times D^2) \cong \mathbb{Z}\).