We are trying to create SEO friendly roads. In this context, we decided to make changes to the url. E.g: /141(id) --> /example-page-141 I argue that we should get the "id" value as PathVariable on the back-end side. Another solution…
I will try my best to go through the issue. Please let me know if there needs any clarity. Environment: Application is deployed on AWS, with multiple instances connected to a single datastore. The data store consists of tables, Legacy…
I'm trying to design a page that supports infinite scroll. There is 1 important feature that we definitely want this to support: we want to be able to update the already loaded items if an item is changed/deleted. For example,…
I'm cleaning up some code that's started throwing java.lang.OutOfMemoryError in Production. The problematic area has a couple of methods that process large collections, e.g.: public void doSomething(Collection<HeavyObject> inputs) { ... do some stuff using INPUTS, deriving some different objects ...…
I have a service built on Microservices architecture. The design includes 3 components that communicating with queues. System components: Microservice "A" gets a request and generates subrequests. Each sub-request is a queue message written to the Service "B" queue. Each…
I have read in a couple of places that some databases use bloom filters for finding a match when querying a database. In my example I'm using Postgresql which is one of those databases. My question comes up when talking…
I want to develop a real-time chat application in Android like WhatsApp or telegram for the all-purpose client should connect to the server via WebSockets and even offline or online has to works fine. I decided to use Android architecture…
Let's say I'm writing a bot for a chat (discord, telegram, whatever). The bot can handle chat commands (e.g. !join tells it to join a voice channel on the server). So somewhere in my code I'd have to parse the…
Which design-pattern I should use in this case: I have a rest API notification system. I can notify by Email notify by push; notify by WhatsApp. And I want to implement more technologies, and I do not want to modify…
Which design-pattern I should use in this case: I have a rest API notification system. I can notify by Email notify by push; notify by WhatsApp. And I want to implement more technologies, and I do not want to modify…