@AmrHassan

Where to enforce the uniqueness of your data

Dec 31, 2022 · 2 min read · Background Here you are, want to enforce a constraint such as any new record must have a unique name, title, etc, but you are not sure where to enforce it exactly. application level or DB level? Application level vs database level For me having your ...

Hacking the System Design Interview using the Interview Template

Dec 19, 2022 · 2 min read · Intro System design interviews can be a challenging and nerve-wracking experience, especially for engineers who have little experience with the process. One way to prepare for a system design interview is by using a standardized template that can gui...

MongoDB vs DynamoDB for your (side) project

Dec 4, 2022 · 3 min read · So here I'm wanting to create an MVP for a side project of mine and look for the cheapest DB aka cheapest data provider to use and let my baby see the daylight with the possibility of scaling and paying less money of course, but before boring you wit...

Did you know how discord/zoom works?

Oct 3, 2022 · 2 min read · The secret ingredient is WebRTC. Here I think that the communication protocols I need to pick when developing a new solution are GRPC, REST, Websockets, and GraphQL. Thanks for reading Amr’s Newsletter! Subscribe for free to receive new posts and sup...

How to get slack notifications on your GitHub PR|threads and more.

Sep 27, 2022 · 2 min read · You probably know that GitHub has an application that you can add to your slack workspace. While this app is nice and dandy if you want to get notified about all actions that happen on GitHub and keep subscribing and unsubscribing to the repositorie...