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Cover image for September 24th, 2020: What did you learn this week?

September 24th, 2020: What did you learn this week?

nickytonline profile image Nick Taylor (he/him) ・1 min read

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.

Claymation owl teacher helping a student owl

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.👇👇🏻👇🏼👇🏽👇🏾👇🏿

Winning!

Discussion

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Matt Ellen

I learnt that multiple exclamation marks are allowed for visual representations of alarms on medical devices (IEC 60601-1-8, section 6.3.2.2.2), so I've added this to the css:

.alarmed::after
{
  content: "!!!";
}

My first use of ::after.

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Phippsy

Finally cracked open Svelte. Very impressed.

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Corey Alix

Same... incredible tool.

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peter279k

Here are my learning stuffs:

  • Using some hacking tools to practice some CTF challenges on hackable.ca and hackme.inndy.tw. It's hard work because there are many CTF challenges are waiting for me to resolve :).
  • I plan to build my hacking tool environment based on Ubuntu 18.04 to resolve above CTF website :).
  • Developing a web-based YouYube downloading site to let my family members download video on YouTube conveniently/easily.
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Chloe

I've been playing with Nuxt and some of its modules including the module one I like being to write everything in markdown and I have decided to move my blog from gridsome to nuxt just need to figure out pagination and how I can set up a feed to cross-post on here. I've learnt how to use async data with nuxt and how the config works.

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Nick Taylor (he/him) Author

That's awesome! 🔥

Yes, that's awesome!

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Ronaldo Hoch

I learn that angular has a validator to input checkbox to valid if it's true.

Eg: "aceptTerms":[false,Validators.requiredTrue]

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Harsh Shandilya

Learnt that no matter how hard I pretend to have infinite capacity, I don't. Investing in getting everything to stop being overwhelming :)

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Doaa Mahely

I learned about JavaScript’s event bubbling and capturing which was so illuminating!

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Catriel Lopez

Not programming related, I've been studying for my finals exams next week. Lots about DB management and OS design!

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Cole Walker

You can chain assignment operators in JS.

w = z = x = y 

This means you can also do horrible things like:

w +=y *= x -= z
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Heiker

I'm learning about fish shell.

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Fadhli890

nothing

because I'm too lazy

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Jason F

I learned about the interval operator in rxjs. I started working on a personal project that shows current crypto currency prices. Fun stuff!

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Stanley Lim

The dangers of stateful Spring beans. Never again.

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Aakash Chaudhary

TypeScript , webpack

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Rafi

Not related to tech. Simple "thank you" can really make a big difference than you think.