DEV Community

Cover image for January 29th, 2021: What did you learn this week?
Nick Taylor
Nick Taylor Subscriber

Posted on

January 29th, 2021: What did you learn this week?

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.

![Information flowing through your brain](https://media.giphy.com/media/qKltgF7Aw515K/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.👇👇🏻👇🏼👇🏽👇🏾👇🏿

![Price is Right contestant celebrating](https://media.giphy.com/media/gF29UEqBhSoDY8LHKg/giphy.gif)

Top comments (20)

Collapse
 
lukewestby profile image
Luke Westby •

While doing some functional programming I learned that doing a foldl with map2 over a list of lists only constrains the length of the final list to the shortest length if the input is sorted by length first.

Collapse
 
nickytonline profile image
Nick Taylor •

Awesome!

Hackerman from Kung Fury putting on a Nintendo Power glove

Collapse
 
peter279k profile image
peter279k • • Edited

I pass the RHCE (RedHat Certified Engineer) exam.

And now I'm familiar with the Ansible usage :).

And I can configure one YAML file to deploy multiple hosts :).

Collapse
 
nickytonline profile image
Nick Taylor •

Actor Leonardo DiCaprio as Gatsby doing a cheers

Collapse
 
dhruvindev profile image
Dhruvin •

I learnt how to cache the users scroll postion when you have to render long list of posts in angular, for better ux

Collapse
 
nickytonline profile image
Nick Taylor •

Yeah!

A T-Rex saying Yeah!

Collapse
 
bekahhw profile image
BekahHW •

I learned that there are some really cool things happening with deep learning and mental health treatment.

Collapse
 
ablx profile image
Mirco •

I read a couple of chapters from "Mindware" and learned a lot about how our mind works.

Collapse
 
nickytonline profile image
Nick Taylor •

Kirk and Bones nodding to each other in Star Trek

Collapse
 
highcenburg profile image
Vicente G. Reyes •

Learned how to build a facebook messenger chatbot in Hubspot for my site and my facebook page

Collapse
 
nickytonline profile image
Nick Taylor •

BB-8 giving a thumbs up

Collapse
 
bekahhw profile image
BekahHW •

I just posted one of my resources here: virtualcoffee.io/monthlychallenges..., but I love listening to Dr. Eric Topal's podcast too: Medicine and the Machine.

Thread Thread
 
nickytonline profile image
Nick Taylor •

That's awesome! 🔥

Yes, that's awesome!

Collapse
 
retronav profile image
Pranav Karawale •

I learnt a lot about Promises which would help me in implementing a method by which I can dynamically import JS modules and cache them for later use.

PS. You just posted this on my birthday!

Collapse
 
nickytonline profile image
Nick Taylor •

Jean-Luc Picard from Star Trek TNG saying Well done!

Collapse
 
mdhesari profile image
Mohammad Fazel •

I'm finally launching my fav project have been working recently, it is built using vuejs and laravel. So excited about it.

Collapse
 
nickytonline profile image
Nick Taylor •

Stephen Colbert saying Awesome Sauce

Collapse
 
mse99 profile image
Mohamed Edrah •

Studying behavioral design patterns in node, this week I learned about the strategy, state machine, template constructors and middleware patters.

Collapse
 
nickytonline profile image
Nick Taylor •

Gym teacher from Glee saying amazing!