There's no secrete that in modern Web applications an ability to find required content fast is one of the most important things. So if your application won't be responsive enough clients will use something else. That's why all the processes should be optimized as much as possible, never the less it can be a very challenging task...
Nowadays there’re lots of technologies in a Front-end and most of them have easily understandable tutorials. So starting with them is not a problem. But there’s always a problem when you try to use some of them together. In this article, we’re going to talk about a usage of Angular or Vue.js together with D3.js, and find out why we might have problems with the integration.
Let’s talk about basics of really fresh approach in client-server communication: GraphQL. Let’s answer few questions first to start with this technology. What is the difference between this technology and common REST API (e.g. express implementation of this one)? That’s simple: GraphQL provides you instruments to execute queries to server, not send the requests, so you create query and you know for sure what a result you expect to see.
After some portion of theory it will be a good practice to do some practice! So today we’re going to build weather widget with auto update function and simple chart that will be fully built using RxJS. Take your knowledge of base concepts, that we’ve studied on previous lesson and let’s go!
The methods that are covered in this video are flattop, concat/merge, switch, switchMap. Main topic of video is more complex structures – higher order observables. Also we’re going to talk about handling of async stuff inside observables with life example of working with real API. Subscribe to our channels! Youtube Facebook Twitter LinkedIn Instagram Google […]