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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.

311 questions
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Does React Re render All Ui elements when Data/State Change?

i am working on a project in which i am using a socket.io for real time data streaming.I have front end in react.My app component structure looks like this <........./> my app component is receiving…
user16972560
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Real Time Change of Texture in Blender

I'm a complete newbie in Blender and Python and need to change a texture of a plane in real time. I have a Processing sketch which constantly saves b&w stills from a USB camera, which are to act as displacement textures to a plane on Blender. In the…
Katrina Galea
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TypeError: Event constructor: Argument 2 can't be converted to a dictionary

I can't set up a BarChart for real time using pondjs/react-timeseries-charts. I try to use Event class like in the example. When I set the constructor like, for instance: new Event( new Date(), 15 ); I get the error "TypeError: Event constructor:…
jaume
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Real-time Data Pre-processing in Lambda for SageMaker Endpoint

Am working on a project of consumer behaviour analysis on websites and predict the malicious activity of users in real-time. Click data is being collected for each click made by users. Am using multiple AWS services like kinesis stream, Lambda and…
Darshan M
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Spark Structured Streaming - Realtime aggregation for the last X hour(s) data

I'm new to spark and I'm using spark structured streaming to read streams of data from Kafka in scala language. I want to aggregate the last X hours of data using Apache Spark, and (if possible) write only the updates to the destination, So let's…
joe-shad
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Pinescript, trailing stop loss repaints

Why does a simple Trailing Stop Loss in pinescript repaint this hugely? I am doing some backtesting on ETH/USD, 1H on Tradingview using pinescript version 4. The complete script is shown below: //@version=4 strategy(title="Simple SL script",…
Casper Nybroe
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Bigquery Materialized view billing - is there a 10mb minimum?

Looking into getting near-realtime analytics data from bigquery, and considering costs vs. accuracy, it seems like using materialized view might be a great win. Considering "near real time" will change to a minimum of 1 minute…
Shushu
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Is there a way, I can know whats wrong with my realm Node js implementation?

I am very new to "Realm" and I can't figure out what's wrong with my code. I am just trying to write a simple set of data to my realm that I have already created in the realm-studio. Here is my code; var Realm = require('realm'); var constants =…
Kuldip Bhutoria
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Read & Write simultaneously on same JAVA RXTX Serial Port within same thread

Read & Write simultaneously on same JAVA RXTX Serial Port within same thread Is it possible to read and write from same serial port within same Java thread in real time.Actually I am reading data from Arduino and I need to send same data to Arduino…
Alpha
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What is the best way to receive data from multiple URL for iot in Apache Nifi?

I want to receive data from multiple url. You can think, each url is represent one device. I can create flow that starting with getHttp for each device. But this scenario so bad for me. Another option, i can create flow that starting with…
lifeisshort
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Subscribe to REST API with retrofit

I have a list of object that constantly changed at my local server, I need to get notified whenever this list is changed, can I use retrofit to do this? I user firebase before, but now I'm working on local network using local wifi connection (not…
iha
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Hold one does not work for two plot handle having he same axeshandle

Here is how I get two plot handler which will draw on the same graphic(axes). figureHandle = figure('NumberTitle','off',... 'Name','RFID Characteristics',... 'Color',[0 0 0],'Visible','off'); axesHandle = axes('Parent',figureHandle,... …
Penguin Zhou
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Server Side Events with No Duplicates

Using PHP and MySQL I am trying to display live data on a webpage. So far I am able to retrieve records from the database and display them every 3 seconds. However the same record displays every 3 seconds until a new record has been inserted (i.e…
TheOrdinaryGeek
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Python - how to share real-time data with another script

I am trying to find easiest way to share real time variable from one script to another. First script will read seonsor data and other will make calculations based on real-time data from the first script. I want to run them separetly. I want to be…
Łukasz Żurek
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upgrade from pubnub javascript v3 to v4, where and how to add listeners?

I am updating from pubnub v3 javascript to v4, the publish and subscribe is working, but do not update the database in live... I readed the migration topic here, but I dont understand how, and where I have to integrate the listeners function, I…
user348246
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