Tuesday, April 2, 2019

Falsehoods About Time and CSVs

Zach Holman:

I’ve made notes of the egregious things I’ve learned about programming with time and pulled them together as a talk. This is the written companion piece, which is sort of a super set of the talk, since I had way more notes than what I could shove in a single talk.

Beyond that, though, there’s also a lot about time itself that is properly hilarious, and it’d be a travesty to not talk about the country that recently decided to skip a certain day, or that the Unix epoch isn’t technically the number of seconds since January 1970, or that February 30 happened at least twice in history.

Jesse Donat (Hacker News):

Much of my professional work for the last 10+ years has revolved around handling, importing and exporting CSV files. CSV files are frustratingly misunderstood, abused, and most of all underspecified. While RFC4180 exists, it is far from definitive and goes largely ignored.

Partially as a companion piece to my recent post about how CSV is an encoding nightmare, and partially an expression of frustration, I've decided to make a list of falsehoods programmers believe about CSVs. I recommend my previous post for a more in-depth coverage on the pains of CSVs encodings and how the default tooling (Excel) will ruin your day.


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