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Some things are far easier to watch than to read about. These explainers cover the concepts students get stuck on — how sequencing actually works, why we run FastQC, how a read finds its place in the genome, and how a neural network learns.
Infrastructure
Drag the file size to 50 GB and watch the memory meter refuse to move. Add and remove stages to see which ones stream, which one has to buffer, and why sort spills to disk instead of dying.
Infrastructure
A workflow does not run top to bottom. Watch tasks start the moment their inputs exist, kill one mid-run to see exactly what breaks, then re-run with -resume and see what the cache saves.
Infrastructure
Ask for 64 cores and 48 hours and watch yourself go to the back of the queue. Ask for four cores and two hours and slip straight into a gap. On a shared cluster, requesting more is how you finish later.
Infrastructure
Run the commands and watch the commit graph redraw. A branch turns out to be a 41-byte file, a merge turns out to be a commit with two parents, and a conflict turns out not to be an error at all.
Infrastructure
One script in version control, three machines, three different answers — and all three runs exit successfully. Then wrap it in a container and watch the columns collapse into one.