WackyTabbacy42069@reddthat.com to Asklemmy@lemmy.ml · 1 year agoWhat's your favorite programming language and what about it do you like?message-squaremessage-square111fedilinkarrow-up199arrow-down13
arrow-up196arrow-down1message-squareWhat's your favorite programming language and what about it do you like?WackyTabbacy42069@reddthat.com to Asklemmy@lemmy.ml · 1 year agomessage-square111fedilink
minus-squarecocobean@bookwormstory.sociallinkfedilinkEnglisharrow-up2·1 year agoI had to use Python for a bit at work and it was confusing pipenv, venv, virtualenv, poetry…wtf is all this shit a.b vs a['b'] vs a.get('b')…wtf is a KeyError
minus-squarerichieadler@lemmy.myserv.onelinkfedilinkEnglisharrow-up4·1 year agoWhat happens in other languages you use when you try to access a non-existing key for a hash/map/dict? What language do you use that accessing an object attribute is the same that accessing a dict key? What knowledge do you have (or not) that KeyError is a mistery to you?
minus-squarecocobean@bookwormstory.sociallinkfedilinkEnglisharrow-up1·1 year agoReturn undefined. Typescript. Why error? Just return undefined. Simple, no try/catch needed.
minus-squarerichieadler@lemmy.myserv.onelinkfedilinkEnglisharrow-up0·1 year agoBecause that’s prone to errors. And the Zen of Python includes “explicit is better than implicit” and “Errors should never pass silently”. Languages that do otherwise create bad habits.
minus-squarecocobean@bookwormstory.sociallinkfedilinkEnglisharrow-up1arrow-down1·1 year agoIs it? It’s just an optional property. And Typescript will tell you that it’s optional.
I had to use Python for a bit at work and it was confusing
pipenv, venv, virtualenv, poetry…wtf is all this shit
a.bvsa['b']vsa.get('b')…wtf is a KeyErrorWhat happens in other languages you use when you try to access a non-existing key for a hash/map/dict?
What language do you use that accessing an object attribute is the same that accessing a dict key?
What knowledge do you have (or not) that KeyError is a mistery to you?
Return undefined.
Typescript.
Why error? Just return undefined. Simple, no try/catch needed.
Because that’s prone to errors. And the Zen of Python includes “explicit is better than implicit” and “Errors should never pass silently”. Languages that do otherwise create bad habits.
Is it? It’s just an optional property. And Typescript will tell you that it’s optional.
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