Service worker, how it work? [closed] - service-worker

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I have a form. And I want to make the page resilient to network lashes.
Outages.
So if you press submit but you have no network, it should be cached somewhere and sent later.
How can I do that? Can Service Work help me with it?

You can deffer failed requests using service workers, yes.
I recommend to use Workbox and more specificly the BackgroundSync Plugin to deffer failed requests when the network is back.
To do this, you may be familiar with the new fetch API

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ping bot in ASP.net mvc [closed]

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I have a small project I am trying to wrap my head around. I already have the UI and the database built and working.
The app should ping a list of IP addresses every x seconds, and then update the UI if the address is up or down. What is the best way to go about executing this and updating my ui?
I would recommend two approaches.
Using JavaScript and AJAX: You can periodically execute a client side function to call a server side function to ping the list of IPs and update the UI.
Using Signal R: This is a framework suitable for real time web apps. So in your case it does make sense.
Refer- https://learn.microsoft.com/en-us/aspnet/signalr/overview/getting-started/introduction-to-signalr

How to get LogicMonitor data into grafana? [closed]

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I want to run load & performance tests and monitor them via Grafana. I have the JMeter Dashboard and JenkinsCI Dahsboard setup and running, so I can see the client side data in real time. This is a good setup.
What's next, is trying to combine the Server Side Data concurrently with the Client Side data at the same time, within the same dashboard. I have a LogicMonitor installation for the Cloud Instances on AWS.
Does anyone know how to do this?
Suggestions?
As it turns out, you cannot do this. Logic Monitor Does not use InnoDB for format, so, it's not an easy port over to the data.

Want to setup a voice-to-voice communication service/group call service on rails. Where should I start? [closed]

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I already have a fair bit of experience making rails applications, but I have never really tried to make an application with the use of a microphone. I don’t need to have video call, only voice, but I would want to control how many people could connect to a single call. Also I would like it to not have to do with actual phone numbers, but have a completely separate service like skype. Any help would be appreciated, Thanks!
This is not a trivial rails app, but just from googling I found Adhearsion
Check it out: http://www.adhearsion.com/
Adhearsion is a full-featured framework for the development of
applications which interact with or control voice communications.

iOS network module architecture [closed]

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new to iOS
My app has to communicate with a backend java server to handle login , download image data etc. I'm confused on how to implement the network module. Should there be a separate network module for each view controller ? Or should there be a central network module to handle all the calls ? I know its a vague question but I don't know where else to ask.
You can check below mentioned link,
AFNetworking Crash Course
AFNetworking Document/Source
Hi you can try with this
https://github.com/tonymillion/Reachability
thanks
Use ASIHTTPRequest can easily to implement network action (like GET, POST, download, upload, etc...)

mobile app make the http request separate or together [closed]

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Since most mobile apps need to communicate with server, thus they need handle http request in the app. My question is that, is it better to put all requests in one controller or separate to different controller?
For example, I have a SignInViewController and ContactsViewController. Both of them need to get some data or post some data to server. I can either handle requests in each ViewControllers, or put them in one ServerController. Which is better or standard way?
Thanks
I would and have used a separate object similar to what you describe as the ServerController. It depends on the situation but I have found these are easier to work with if they are not singletons so that you can manage state, progress, etc. of each of your HTTP requests independently.

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