miniblog.

Exponential time complexity in the Swift type checker https://www.cocoawithlove.com/blog/2016/07/12/type-checker-issues.html (nifty deep dive into the constraint solver inside)

Exponential time complexity in the Swift type checker

Exponential time complexity in the Swift type checker

One of the most annoying problems in Swift is when the compiler gives an 'Expression was too complex to be solved in a reasonable time' error. I look at why this error occurs, how to avoid it and talk about how this should be solved in a future compiler update.

Rust libstd without C dependencies: gives a 131 byte hello world! https://twitter.com/BRIAN_____/status/820566643344429056

Emacs package of the day: unfill https://github.com/purcell/unfill . This handy utility will undo M-q (fill-paragraph).

GitHub - purcell/unfill: Functions providing the inverse of Emacs' fill-paragraph and fill-region

GitHub - purcell/unfill: Functions providing the inverse of Emacs' fill-paragraph and fill-region

Functions providing the inverse of Emacs' fill-paragraph and fill-region - purcell/unfill

Ratings on app stores have just become a way to report bugs. It's unfortunate, reviews need to be separate.

Sometimes language implementation is elegant and neat, but other times it's surprisingly simplistic. (from https://www.deater.net/weave/vmwprod/portal/ )

The line of death https://textslashplain.com/2017/01/14/the-line-of-death/ (on the challenge of building a trustworthy UI displaying arbitrary content—a common problem!)

The Line of Death

The Line of Death

When building applications that display untrusted content, security designers have a major problem— if an attacker has full control of a block of pixels, he can make those pixels look like anything…

What can we learn from our GitHub stars? https://www.cockroachlabs.com/blog/what-can-we-learn-from-our-github-stars/ (great quantitative analysis of GitHub star effects)

Stargazers: A tool for analyzing your GitHub stars

Stargazers: A tool for analyzing your GitHub stars

GitHub stars are a simple way for GitHub users to bookmark repos that interest them. "Stargazers" is a tool to query GitHub for information about the stars.

Friday's xkcd is painfully true. https://xkcd.com/1785/ (I once visited a Google office in 2012 and hit a Gnome bug with IPv4+IPv6)

Wifi

I find refactoring to be a great way to get familiar with a new large codebase.

Glance is a really interesting project exploring a visual Haskell. Reminiscent of ASTs, denser than blocks: https://github.com/rgleichman/glance

GitHub - rgleichman/glance: A visual Haskell

GitHub - rgleichman/glance: A visual Haskell

A visual Haskell. Contribute to rgleichman/glance development by creating an account on GitHub.

I'm a huge fan of visual-regexp-replace. I've written crazy regexps that would be impossible without its feedback.

GitHub - benma/visual-regexp.el: A regexp/replace command for Emacs with interactive visual feedback

GitHub - benma/visual-regexp.el: A regexp/replace command for Emacs with interactive visual feedback

A regexp/replace command for Emacs with interactive visual feedback - benma/visual-regexp.el

Emacs tip for keyboard macros: `C-u 0 F4' will run the macro as many times as possible. It's great for running it on every line in a buffer.

Announcing Remacs: Porting Emacs to Rust! https://www.wilfred.me.uk/blog/2017/01/11/announcing-remacs-porting-emacs-to-rust/

Announcing Remacs: Porting Emacs to Rust

programming, language design, and human factors

Emacs tip: revert-buffer will reset a buffer as if you've just opened it. Handy if you've just chmod'd a shell script: switches to sh-mode.

Is the Slashdot/Reddit/HN effect of taking down a website still a problem? Server power has grown much faster than userbases.

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