I use this site a lot for background noise during the day when I could really use some new scenery. Some of the more subtle ones like the airship are really good for working and coding from horseback is a pretty unique experience.
myNoise.net is another good one. More tailored to workday background noise but a bit less interesting.
I was just told that Illustrator assumes 96 dpi and Glowforge assumes 76 dpi. If you change the Illustrator doc settings to the lower dpi, dimensions will work right. Same problem with Sketch. I haven’t tried the solution out yet to confirm.
If there was a way to sign up for regular sessions like a MOOC, I would be at the top of that list. There’s a problem with formalizing an extremely informal way of learning though...
Im happy to say that my own JSON parser (https://github.com/ryanbalsdon/cerial) passed a lot more of these tests than I expected! It isn’t a general parser though (requires a pre-defined schema) so is probably cheating.
I find the one thing that kills my mood quickest is just not drinking enough water. A lot can be learned from tracking your diet: https://cronometer.com/
My first thought was to check the source for how they're handling credit card data, payments, and gateways. I can't find any of it... Skipping those bits makes ecommerce _a lot_ easier to build!
I second parent's suggestion here though, Stripe API is a great place to start.
myNoise.net is another good one. More tailored to workday background noise but a bit less interesting.