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Why Two’s Complement Conversion Needs More Than `parseInt`

When I first wrote a signed-binary converter, the obvious implementation was “call toString(2) and let JavaScript do the rest.” That works for positive integers, but it hides the two decisions a…

  • parseInt alone insufficient for signed-binary conversion
  • Converter determines valid range for given bit width
  • Padding crucial for correct sign bit interpretation

48-Hour Field Notes: I Parked the Prompt Until the Runtime Card Existed

I had a tiny Python job that passed in my editor and then died on a clean remote interpreter. My hands went straight back to the chat box, because the model had drafted the snippet and I wanted a new…

  • 48-hour investigation to resolve Python issue
  • Avoided sensitive details in remote interpreter
  • Recorded key information for cross-comparison

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