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My experience with ReactiveX and asynchronous programming

As a software developer, I must deal with asynchronous programming on a daily basis. In order to provide the best user experience possible, all tasks like performing a server request, getting data from my database, waiting for some background process to finish or downloading an image should be executed asynchronously.

Even with some years of experience, I sometimes forget the syntax for a particular asynchronous call. How should I implement the callback for a specific task and how should I handle the error if anything goes wrong? There are hundred of ways of dealing with responses, and as a developer it’s my job to know which one fits best in every situation. When I first read about ReactiveX I thought: “Great, another asynchronous API to memorize…”. Well, I couldn’t be more wrong.

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