• MaxFlow
  • Linear Programming Problem
  • Randomized Algorithm
  • Hash
  • Veb Tree
  • NP Completeness
  • Exact Exponetial problems
  • Approximation Algorithm
  • Polygon Triangulation
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This article describes how to trace the items in your stock and get a summary of how much you profit/lose from it.

  • Use a Web crawler to get the current item price
  • Save daily price into sqlite3 database
  • Use crontab to run the script daily
  • Use cronitor to monitor crontab
  • Call system notification after it's done or fail
  • Use flask and echarts to visualize the data
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