- Timestamps transactions by hashing them into ongoing chain of hash-based proof-of-work.
- The longest chain is the truth.
Four key factors to build friendships
- Proximity: Regularly encounter each other, and it is easy to recognize one another.
- Similarity: Shared values, Connected.
- Reciprocity: Bi-directional exchanges with benefits to both parties.
- Disclosure: Trust by disclosing vulnerability.
Friendship: person with mutually beneficial long term relationship based off trust and shared values.
Found out reason why postgresql index took all the CPU using flame graph.
Inversion forces you to consider aspects of a situation that are often hidden at first glance.
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