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@jesstelford
jesstelford / event-loop.md
Last active October 16, 2025 15:48
What is the JS Event Loop and Call Stack?

Regular Event Loop

This shows the execution order given JavaScript's Call Stack, Event Loop, and any asynchronous APIs provided in the JS execution environment (in this example; Web APIs in a Browser environment)


Given the code

@vasanthk
vasanthk / System Design.md
Last active November 14, 2025 08:03
System Design Cheatsheet

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

  1. Clarify and agree on the scope of the system
  • User cases (description of sequences of events that, taken together, lead to a system doing something useful)
    • Who is going to use it?
    • How are they going to use it?
@staltz
staltz / introrx.md
Last active November 13, 2025 18:44
The introduction to Reactive Programming you've been missing