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Oct 8, 2017 at 20:58
This is also useful if something is making Emacs slow. SIGUSR2 gives you a traceback, whereas C-g just stops whatever it is. https://twitter.com/_wilfredh/status/659499112677642242

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Aug 7, 2026 at 22:20
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I've released difftastic 0.70! In this release: * Added Dockerfile and fish shell support * Improved Dart, Emacs Lisp, Erlang, Java, OCaml, PHP, Protocol Buffers and TOML. * A bunch of display and performance fixes.
Release 0.70.0 · Wilfred/difftastic
Release 0.70.0 · Wilfred/difftastic
Difftastic is a structural diff tool that understands syntax. See the manual to get started, and the changelog for historical changes. Diffing Improved diffing performance, particularly when diffin...
Dec 6, 2025 at 01:06
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Claude asked me a question today: was I looking for an Emacs plugin (because I was talking about elisp) or a Rust program (because I have configured Rust preferences)? I'm really impressed, it's rare to see LLMs ask follow-up questions. (I wanted Emacs in this case.)
Aug 18, 2025 at 22:44
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Today I learnt that Racket *intentionally* doesn't have a traditional REPL workflow. The authors were concerned about students not understanding the state between the current session and the code on disk. (Arguably Jupyter has some of these features now.)
the DrScheme repl isn't the one in Emacs
_posted by matthias_ Dear old Lisper, You have found drscheme and it is almost like your old Lisp machine. It is easy to program in it, it has things that nobody else has, and we all love parentheses. But after some initial enthusiasm you are wondering ...