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PostgreSQL - EXPLAIN cheatsheet

  • -> Marks the start of info on a "plan node"
  • Work from the leaves to the root to understand what happened first
(cost=0.00..5.04 rows=101 width=0)
  • (cost=
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SamsadSajid / clean_code.md
Created May 9, 2022 10:41 — forked from wojteklu/clean_code.md
Summary of 'Clean code' by Robert C. Martin

Code is clean if it can be understood easily – by everyone on the team. Clean code can be read and enhanced by a developer other than its original author. With understandability comes readability, changeability, extensibility and maintainability.


General rules

  1. Follow standard conventions.
  2. Keep it simple stupid. Simpler is always better. Reduce complexity as much as possible.
  3. Boy scout rule. Leave the campground cleaner than you found it.
  4. Always find root cause. Always look for the root cause of a problem.

Design rules

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SamsadSajid / 0_reuse_code.js
Created May 24, 2017 06:13
Here are some things you can do with Gists in GistBox.
// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console