Cover image for September 18th, 2020: What did you learn this week?

September 18th, 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.

Two hockey players reading a play book

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


Summarize a concept that is new to you.


Editor guide

I learned more about Proxies and TypeScript helpers to develop and properly type this:

Proxy get, set, apply, TS' infer, keyof, ReturnType<Type>, etc — it's MAGIC!


I develop my hacking scripts and use existed penetration tools to do penetration testing for some websites/services in Taiwan.

And submitting the security issues to the HITCON Zero DAy, a bug exploit submitting service.


I learned that it's possible to retrieve data and update it in one SQL query. Also learned a little bit more about mocking in unit tests. Oh, and I made my first nuget package.