May 20th, 2021: What did you learn this week?

#weeklylearn #discuss #weeklyretro

It's that time of the week again. So wonderful devs, what did you learn this week? It could be programming tips, career advice etc.

![A picture it a dog waving their paw with the caption “Learning, cool at school or at home”](https://media.giphy.com/media/1xpm1nTQiRL96Di3Q6/giphy.gif)

Feel free to comment with what you learnt and/or reference your TIL post to give it some more exposure.

#todayilearned

Summarize a concept that is new to you.

And remember, if something you learnt was a big win for you, then you know where to drop it as well.👇👇🏻👇🏼👇🏽👇🏾👇🏿

What was your win this week?

Gracie Gregory (she/her) for The DEV Team ・ May 21 '21

#discuss #weeklyretro

![Drama from Entourage screaming “Victory!”](https://media.giphy.com/media/lnlAifQdenMxW/giphy.gif)

Latest comments (9)

Matthias • May 25 '21

I started learning how to effectively build Build-Chains with Unit and Integration Tests

Nick Taylor • May 25 '21

Nice!

Joost Helberg • May 22 '21

I learned about SenML and how interpretations of the RFC vary between implementations and use. TiL to implement a workaround for a big network's failure to understand the RFC.