With more than 400.000 weekly downloads, ngx-translate might just be the most used internationalization library for Angular. It works out-of-the-box wonderfully on the client side, however it needs some tweaks to work with Angular Universal's SSR.
If you are rendering your SPA using Angular Universal you may have noticed a common issue with the page loading: the content "blinks" and loads again. This behavior may occur due to duplicate requests being made, once in the server, and then in the client.
In this post I'll try to demystify ReactiveX's Observables, how they can be hot or cold, and how to turn one into another. By the way, it doesn't have anything to do with Katy Perry's 2008 song.
After updating to iOS 13, I've begun receiving a prompt to allow my application to use Bluetooth. In reality, a lot of apps started asking for Bluetooth permission. This caught me by surprise because I did not know my app used Bluetooth and because I did not want it to use Bluetooth.