Misha mikekeke

## Optics Cheatsheet.md

      
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                ChrisPenner
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                Optics Cheatsheet
              
          
    Optics By Example Cheat Sheets

The following are appendices from Optics By Example, a comprehensive guide to optics from beginner to advanced! If you like the content below, there's plenty more where that came from; pick up the book!

Operators
Composition Guide
Substitution Guide
Optical Constarints and Types

Operator Cheat Sheet


## bash_strict_mode.md

      
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                mohanpedala
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                set -e, -u, -o, -x pipefail explanation
              
          
    Table of Contents


set -e, -u, -x, -o pipefail
set -e
set -x
set -u
set -o pipefail
Setting IFS
Original Reference

set -e, -u, -x, -o pipefail