Questions tagged [real-time-data]

Real-time data is information that is delivered immediately after collection. For questions regarding the real-time data feature of Excel, choose the 'RTD' tag.

Real-time data is information that is delivered immediately after collection. There is no delay in the timeliness of the information provided, save of technical limitations such as transmission delay. Areas of application are navigation, tracking or charting.

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store unique visitors in distributed database

I have structure data like that ( web visitors ) List(p1,p1,p1,p2,p3,p3,p4,p4,p5...) one visitor can visit 1 --> many times data volumes: about 100 milions / day How about or which db i can store unique visitors to fast access ( near real time )…
tnk_peka
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Exception when trying to close serial port or exít application

I have an application that reads XBee frames through the serial port and displays the frame in a richtextbox. It also displays the 2 analog channels (temperature Readings) in a chart and updates it in real time. I was having issues that the…
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how to publish realtime streaming json data received from a URL over mqtt using node.js

I have the following code which accepts data from the url and print the json formatted data.I want to publish the same data to mqtt using node.js.Is there any sample code for the same? `var request = require('request') var JSONStream =…
Durga
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plotting real time Data on (qwt )Oscillocope

I'm trying to create a program, using Qt (c++), which can record audio from my microphone using QAudioinput and QIODevice. Now, I want to visualize my signal Any help would be appreciated. Thanks [Edit1] - copied from your comment (by Spektre) I…
The Man
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How large can a hbase table actually grow?

Would there be any reason to split a hbase table into smaller entities, or can it grow forever (assuming available disk space)? Background: We have realtime data (measurements), up to lets say 500,000/s, which consists essentially of timestamp,…
Mauli
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How to plot real time data from text file in MATLAB

Im new to matlab coding so im still trying to get my head around things. Pretty much im working with interia sensors which output the sensors orientation data every 10ms. Im able to store this data into a text file which is continuously updating. My…
user3131101
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retrieve real-time data from JBloomberg API

I want to retrieve the time and the real-time last Price as double instead of having an output like DataChangeEvent{ESA Index,ASK_SIZE: 204==>192} from the code below DataChangeListener lst = new DataChangeListener() { @Override public void…
malmo
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peer 2 peer libraries to broadcast real time video using websocket?

First of all, is it a nice and successfull idea to use peer 2 peer to broadcast realtime video ? I know that it will make the application scallable and will allow more users to get the real time video without affecting the server much, but are there…
Mehdi Karamosly
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MongoDb for collection of production data

I am facing a new type of problem that I haven't tried tackling before. So I would like some pointers in the right direction by someone more knowledgeable than I :-) I have been asked by a friend to help him design a control system for production…
Jay Pete
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Hosted message bus like Pusher but big messages

Pusher is awesome but I want to try and throw some larger messages at it without chuncking. Does anyone know of a hosted service with similar features, including private channels, that offers bigger messaging (sub 2mb) is fine.
Quotient
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Core-plot real-time-data for redraw plot

I have 4 hosting view on 1 self.view self.hostView.frame = CGRectMake(0.0, 0.0, 512.0, 352.0); self.hostView2.frame = CGRectMake(512.0, 0.0, 512.0, 352.0); self.hostView3.frame = CGRectMake(0.0, 352.0, 512.0, 352.0); self.hostView4.frame =…
user2398911
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Incremental processing and enrichment with storm

We have a system which is designed for processing social media content. In our storm topology we have some bolts to process, such as sentiment analysis, language detection, spam detection and so on. All tutorials and examples prepared on storm, we…
user363610
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wxpython server

I am trying to send data from a C program to a python script through sockets in order to perform real-time visualization of the data using matplotlib. I have also created a GUI using wxPython. I have used socket module, SocketServer module and…
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Using WebRTC to transfer generic data/objects peer to peer?

I'm just trying to find any demos or instructions of any kind to be able to transfer generic data with WebRTC, such as JSON. Any demos/articles I come across only seem to deal with Video transfer which I find bizzare, kindof like running before the…
igneosaur
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real time GPS tracking

I am trying to make a RealTime GPS tracking device using python(). features i have got 10 fixed locations loc0 = (lat0,lon0) loc1 = (lat1,lon1) loc2 = (lat2,lon2) loc3 = (lat3,lon3) loc4 = (lat4,lon4) loc5 = (lat5,lon5) loc6 = (lat6,lon6) loc7 =…
Abhimanyu
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