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Episode 32: Jeff's Spygames... and more...
Manage episode 387044343 series 3533138
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Jeff finds a spycam in his house...
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Ulfnic's JS Code information:
What is 0.1 + 0.2? Wrong! It's 0.30000000000000004. Getting JS to evaluate basic decimal math is a StackOverflow greasy rabbit hole of hacky solutions guaranteed to work for at least a week. JavaScript needs a 3rd-party 24KB library to accomplish basic decimal math(1), alternatively you can use the new (and not well supported) BigInt() to pretend you're doing decimal math by string hacking decimal points into super long integers. (1) https://github.com/MikeMcl/big.js/blob/master/big.js (2) https://dustinpfister.github.io/2019/09/06/js-bigint/ (3) https://javascriptinfo.com/view/3760151/native-bigint-and-intl-numberformat-for-accurate-currency-calculations-and-display Steps to to reproduce 0.1 + 0.2: # Option 1: https://jsconsole.com/ console.log(0.1 + 0.2) # Option 2: In browser # ctrl + shift + j # Chromium # ctrl + shift + k # Firefox # click on "Console" tab console.log(0.1 + 0.2) # Option 3: NodeJS nodejs -e "console.log(0.1 + 0.2)" 66 episodes
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