It's remarkably hard to criticise cons cells. I enjoy lisp programming so much that I feel rather guilty.
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I've seen "cons cells" and "cons pairs", but today I saw "conses", which is new to me.
(Clearly Lisp has no downsides, only pros and cons! 🙃)
It is remarkably hard to escape command line arguments safely on Windows, and the standard libraries of multiple languages have needed patching: https://flatt.tech/research/posts/batbadbut-you-cant-securely-execute-commands-on-windows/
Sometimes programming tools are so good that you miss them when using other languages. I see these mentioned the most frequently:
* IntelliJ (for Java)
* Slime+Emacs (for Common Lisp)
* Pharo (for Smalltalk)
I'm struck that they all have bespoke UIs.