Questions tagged as 'real-time'

3
answers

signalr - TypeError: chat is undefined

I am developing a simple chat with signalr and I have run into an error that I still can not solve. It says that the variable chat is not defined which is not true, since I am declaring it. var chat = $.connection.chat...
asked by 06.12.2015 / 18:19
2
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Get current value in real time in table

I have the following problem, I am currently working on a pricing system with SQL Server database, in which I have to work Dynamic pricing . For which I have the following table. ID_TARIFA : Primary Key Auto-increment. I...
asked by 26.10.2016 / 04:24
2
answers

ref.child ('route'). update Duplicate queries

I want to implement a Functions in Firebase but something strange happens when running a Cloud Functions. All the flow is correct the searches are done well however when I add an update within my "if" the results are duplicated. When I com...
asked by 02.08.2018 / 06:56
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how to save a stream on the hard disk by using rtsp in c #

I am currently doing a program with c # that can locally copy the video that is displayed by rtsp protocol, I have tried with VideoLan DotNet for WinForm but it does not save me on the disk even though I pass the options with : sout = # transcod...
asked by 29.04.2017 / 02:29
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Error getReference (). child () with firebase

I'm doing a chat example using Firebase and I have the following error. E/AndroidRuntime: FATAL EXCEPTION: main Process: com.yordy.richard.firebaseejemplo, PID: 23054 java.lang.RuntimeException: Unable to start activity ComponentInfo{com.yor...
asked by 27.11.2018 / 15:11
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logical programming algorithms

hi community stackoverflow I hope I will not bore you with so much explanation I will try to be a retailer so that you can understand my problem. I need your help to create an algorithm, I'm not asking you to do my work but rather give me some...
asked by 20.09.2018 / 20:59
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Real-time database without firebase for android

I am a bit new in the development of mobile applications and I have to know how to implement a real-time view of my database in my Android application, it is not an SQL DB but an external DB that connects it to the library. volley     
asked by 17.07.2018 / 09:26
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Google Maps, real-time route update

I have the following: button for the user's current location with the following code initMap() { this.geolocation.getCurrentPosition({ maximumAge: 3000, timeout: 5000, enableHighAccuracy: true }).then((resp) =&g...
asked by 23.06.2018 / 00:40
1
answer

What is the correct function of a Pre-loader?

I've been looking for how to do them in several pages, but in all the ones I've found I see that they use a specific time in which the pre-loader will appear, and my question is if the function of the preloader is to appear for a specific tim...
asked by 26.12.2016 / 03:23