Emacs keybinding of the day: C-x C-x, bound to exchange-point-and-mark. Moves point to the other end of selection ('region' in Emacs terms).
miniblog.
I am really impressed by how well eww works in Emacs. For example, my blog just works!
Emacs command of the day: quick-calc. Great for quick arithmetic from Emacs. With a prefix, inserts the result in the buffer too.
Dynamically types languages have the advantage of concrete values, so static languages *must* have helpful errors:
ripgrep is even faster than ag! https://blog.burntsushi.net/ripgrep/ Exciting! Rust (plus the talent of those involved) is preventing Wirth's law.
It is terrifying to learn that all Intel CPUs contain a separate system with full access and a network connection: https://libreboot.org/faq/#intelme
The MIT Lisp Machine manual argues in favour of allowing users to patch internal details of classes:
Interestingly, the FSF's biggest objection to GitHub is not the proprietary backend! https://www.gnu.org/software/repo-criteria-evaluation.en.html (it's the JS and censorship)
Emacs command of the day: ivy-read-action, bound to C-M-a when ivy is active. Change the action on RET before you choose a candidate!
I'm familiar with some pretty arcane Emacs keybindings, but I'm really impressed with C-φ in lispy! https://github.com/abo-abo/lispy/commit/55dfdbdc0eb1a28e5f3006b0c83f15f44c3dbdb
Every time that I play with Pharo (Smalltalk), I miss something when I go back to my usual language tooling.
Viewing a codebase as an immutable, content addressable tree: https://unisonweb.org/2016-09-17/editing.html (enables some really interesting features!)
Sorted copyright assignment for @guilelang! Hurrah!
TIL there's a service on freenode that conveniently lists channels: https://plus.google.com/+MikeWiseguy/posts/6Cyq9EwWpPY
Emacs command of the day: crux-sudo-edit from https://github.com/bbatsov/crux . Great for editing the current file, if it's owned by root.
I've just discovered I can double performance of my elisp project by let-binding gc-cons-percentage to 0.8! Woohoo!
Apparently function calls are cheap in elisp. I rewrote a recursive function as iterative and was pleasantly surprised that perf matched.
Although 'time travelling debuggers' sound cool, I would find them easier to explain if we simply called them 'debuggers with undo'.
Emacs command of the day: rcirc-track-minor-mode. Updates your modeline for IRC channels with new messages: https://www.gnu.org/software/emacs/manual/html_mono/rcirc.html#index-rcirc_002dtrack_002dminor_002dmode
Emacs 25.1 is out! https://lists.gnu.org/archive/html/emacs-devel/2016-09/msg00451.html My favourites so far: better *Help* buffers, and a slew of python.el bugfixes
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