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Is it possible to temporarily cache all requests in the Rails backend?
Sometimes it's helpful to make frontend stuff without waiting for the backend on the page to reload.
Your question is very ambiguous. If you don't want to wait on the backend for development then you can cache your requests on the front-end using local storage or other client-specific APIs.
On the other hand, if you need backend caching it won't really serve your purpose because the client will still need to make the API call.
Lastly, if you need to mock your APIs then there are multiple such tools available. One that I like is https://designer.mocky.io/
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I just want to ask , I will build app using react native but the app has a feature which allow the user to add and save his recipe offline is that possible using firebase please I want anyone to answer me !
if yes please tell me how
If you use the Firestore database the offline capabiliteis are by default enabled.
Offline persistence is supported only in Android, iOS, and web apps.
You can read more about it here.
That means you work with the database as of it is a local one. It will sync automaticaly with the server when there is a connection. There are no futher instructions required. Just use it according to the documentation. The offline is by default integrated into it.
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I am wondering how to make simple and secure rest communication between my backend and frontend. I need to send some POST request's to my backend and somehow i need to secure that. This is simple app without any users accounts.
Serve your app over HTTPS instead of HTTP. Any calls made from angularjs using $http will be secured, you don't have to do anything here.
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So question is do we need backend framework e.g. Laverel etc. if we user Angular\React? Don't undestend why we need cuz i use baclend only for REST API, I can not understand why they can be useful if we do all job on froendend
The need for server side code is largely independent from the use of client side code.
Many projects require server side and client side code in order to function at all (e.g. if data needs to be shared between users of a site). Even those that don't usually should involve server side code as a best practise.
Given a project where server side code is needed, there is never a need for a framework. A framework is a tool that can (in some circumstances) make the development of code easier, but can always be replaced with from scratch code. A developer should select the most appropriate tool for the job.
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Facebook's own product uses GraphQL and is also a great example of a realtime experience. E.g. when someone likes something, everyone can see the like appear in their feed.
But all of the documentation for GraphQL uses a stateless server where every query is like making an HTTP GET or HTTP POST at a single point in time.
So it's not clear how the average developer will be able to build something as realtime as Facebook itself.
E.g. what kind of state will the server track when we have realtime GraphQL? Will the client send over a bundle of GraphQL queries to watch? Or will the server track a higher-level aspect of the client's state to infer which GraphQL queries the client cares about watching?
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We are thinking about implementing our new module with a Javascript framework GUI and Java backend.
The plan is that we call Ajax calls from the GUI to get the data from the backend.
Our worry is (due to our inexperience) is that if we deploy the GUI to http://server1 and the Java backend to http://server2, then wont the relevant Ajax calls from server1 to server2 qualify as Cross site scripting?
How can we prevent this in javascript frameworks?
(We are looking at Angular, Knockout, Ember.js, etc)
Have a look at CORS (Cross-origin resource sharing) http://en.wikipedia.org/wiki/Cross-origin_resource_sharing
You basically need to specify, in the header of the response from the web service, which referers are allowed.
For example:
Access-Control-Allow-Origin: http://server1