1. (computing) a software bug that disappears or behaves differently when it is investigated, e.g. using a debugging tool

Encyclopedia: Heisenbug

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• Pyrrhocoridae
• pyrrhotine
• pyrrhotite
• Pyrrhula
• Pyrrhula pyrrhula
• pyrrhuloxia
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• pyrrole
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• Pyrrosia lingua
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• Pyrularia pubera
• Pyrus
• Pyrus communis
• pyruvic acid
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