Debugging
The errors that eat an evening when you learn quantum alone. Version traps, dead tutorials, and the Qiskit 2.x breakage, each one traced to the cause.
Posts
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19:04 Milestones Six defects in a verified n8n node for IBM Quantum
It passed n8n verification with green tests and 98 percent coverage. Then 121 seconds of real QPU time found what none of that could.
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14:11 Quantum Computing The version trap that cost me an evening (Qiskit 2.x)
execute() is gone, Aer moved out, and the tutorials never got the memo. What died in Qiskit 2.x and the modern pattern that replaced it.