On the design of programming languages, a great introduction to the constraints in choosing keywords, and a proposal for new keywords in Java: https://mail.openjdk.java.net/pipermail/amber-spec-experts/2019-January/000945.html
miniblog.
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An introduction to devcontainers, the advantages of a reproducible local dev environment and where it makes sense:
Short and very accessible introduction to implementing unification, including Python sample code:
https://www.youtube.com/watch?v=0DLdQ6yb7h8 is a really accessible introduction to programming workflows with Sly for Common Lisp.
The notion of 'stickers' is novel to me: you mark places in the code where you want to remember values (essentially tracing) or pop to a debugger (breakpoints).