Programmer Humor

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Post funny things about programming here! (Or just rant about your favourite programming language.)

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"☹️".reverse() == "🙂" (sopuli.xyz)

submitted 9 months ago by hydroptic@sopuli.xyz to c/programmerhumor@lemmy.ml

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[–] TCB13@lemmy.world 2 points 9 months ago (7 children)

Today I found out that this is valid JS:

const someString = "test string";
console.log(someString.toString());

[–] skullgiver@popplesburger.hilciferous.nl 13 points 9 months ago* (last edited 8 months ago) (5 children)

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[–] TCB13@lemmy.world 1 points 9 months ago (2 children)

I dint know many OO languages that don’t have a useless toString on string types

Okay, fair enough. Guess I never found about it because I never had to do it... JS also allows for "test string".toString() directly, not sure how it goes in other languages.

[–] tmat256@lemmings.world 3 points 8 months ago

It's also incredibly useful as a failsafe in a helper method where you need the argument to be a string but someone might pass in something that is sort of a string. Lets you be a little more flexible in how your method gets called

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