Sometimes some patterns (snippets), which we very often use in practice, really want to print and hang on the wall (window?) So that, looking up, see the necessary documentation.
As an example of such a cheat sheet, a small diagram was drawn illustrating the response codes of the Web server.

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(click to view original image)Who prefers to keep records? Do you prefer cribs or use full documentation? Do you use any paper cheat sheets? Naturally, we are talking about cribs for people from the IT world.