How are keycodes decided?

Is there a key with a keyCode of 1? I’ve tried researching but could not find anything. What decides the keycodes of each key? Just wondering… var directions = { 37: “left”, 38: “up”, 39: “right”, 40: “down”, 87:”up”, 68:”right”, 83:”down”, 65:”left” }; Here it shows they keycodes of the left, right, up , down…

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How can I make bash script exit silently?

I have created CI (Continuous Integration) between GitLab, Docker and AWS with the following configuration: Dockerfile. # install node.js FROM node:latest # create necessary directories and # permissions RUN mkdir -p /home/node/{project_name}/node_modules && chown -R node.node /home/node/{project_name} # copy package.json files in directory # check and switch to node user. USER node # copy project…

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