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May 2, 2020 | » | On Learning
11 min; updated May 27, 2023
Mental Attitude While Learning Distinguish Mere Facts From Conclusions or Opinions Discriminate between mere statements of facts, necessary conclusions which follow therefrom, and mere opinions which they seem to render reasonable. There’s no need to perform an experiment to verify that the atomic weight of oxygen is 16. That the sum of the angles of a plane triangle equals two right angles is not a mere fact, but an inevitable truth.... |
Jul 5, 2020 | » | Of Code Smells and Hygiene
10 min; updated Nov 30, 2022
#code-hygiene Pick up from: IEEE’s International Conference on Software Maintenance Improving Code: The (Mis)perception of Quality Metrics Springer’s Software Quality Journal On Abstractions If you find yourself adding more parameters and if-statements to an existing abstraction, is the abstraction still apt? Why not remove the old abstraction and re-extract a new [more apt] abstraction? Devs frequently succumb to the sunken cost fallacy thinking that there must have been a reason that the code was written in a certain way.... |
Jun 1, 2019 | » | 10. Behavioral Finance
4 min; updated Mar 12, 2022
Behavioralists believe that: Investors are not rational in present and future valuations of securities. There are substantial barriers to efficient arbitrage. The Irrational Behavior of Individual Investors Overconfidence People tend to be overconfident, e.g. in a survey, 94% of male respondents believed that their athleticism was above average. Hindsight bias makes the world seem predictable. Investors might think they can beat the market. The tendency of “growth” stocks to underperform “value” stocks shows how overoptimistic growth forecasts are.... |