Stack Overflow
Stack Overflow

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
2
votes
1 answer

QCustomPlot Huge Amount of Data Plotting

I am trying to plot some serial data on my Qt Gui program using qcustomplot class. I had no trouble when I tried to plot low sampling frequency datas like 100 data/second. The graph was really cool and was plotting the data smoothly. But at high…
Burak Kirazli
  • 19
  • 1
  • 7
2
votes
2 answers

Node-RED listen PostgreSQL in real-time

I need to listen PostgreSQL on changes in real-time with Node-RED. How can I do this? I created trigger on new record in the table and notify this to 'changes' channel. CREATE FUNCTION notify_trigger() RETURNS trigger AS $$ DECLARE BEGIN PERFORM…
GatoPresto
  • 108
  • 9
2
votes
0 answers

Communicating to a RTD Server in Java instead of Excel

I have a RTD plugin that provides an Excel sheet with Real Time Data of prices. However, I want to avoid the Excel link and I would like to directly communicate to the RTD server with a Java program such that I can retrieve data and send it to a…
Robert
  • 37
  • 8
2
votes
2 answers

Partially editing a document in Google Drive

This is a conceptual question regarding the realtime editing of large files. Imagine we have a 50 Mb txt file in Google Drive that we want to allow users to edit. We require that the user downloads the entire file before they start editing (The user…
Max Ferguson
  • 676
  • 1
  • 7
  • 25
2
votes
1 answer

Real-time web app: socket.io OR hosted data/messaging?

CONTEXT App: Single-page real-time web app Functionality: User manipulates widgets on app, widget data sent to server Server computes using worker thread & sends data back to app Communication: Type: At present only app <--> server. Will need…
user1685529
  • 237
  • 1
  • 3
  • 11
2
votes
1 answer

Best languages for designing user interfaces?

I need to design a GUI which will recieve data from a micrcontroller(actually my robot, to be precise) via serial port or wireless and plot them in real time. Which language or platform will be most appropriate to design such interface? Thanks.
adnan
  • 23
  • 4
2
votes
0 answers

Push data from Server to Excel

How do I push real-time data from a Server to Excel? Any direction or help is appreciated. Thanks - Jaideep
Jaideep
  • 69
  • 2
  • 7
2
votes
1 answer

Sites providing MCX real time data for website display?

Searching for some long time to find anybody providing the mcx real time data to display in our website. I couldn't find an appropriate data provider. Suggest me if there any sites providing data to direct display in website. All the sites i…
AndRaGhu
  • 161
  • 7
  • 17
2
votes
1 answer

Accessing Microsoft Excel RTD Server from javascript?

Are there any javascript libraries for accessing MS Excel RTD server? I would like to retrieve realtime data from a RTD server from javascript and display it in browser. I don't want to do it on the server side because it can become a scalability…
Heramb Deware
  • 21
  • 3
2
votes
1 answer

Show output taken from shell_exec and display it in real time instead of after waiting 5-7min

Right now, I have code as follows. $output = shell_exec( !-- unix commands are here --! ); echo $output; I have a website where, upon the clicking of a particular button, the shell script is outputted and it is displayed on the browser. This is…
franz kafka
  • 75
  • 6
1
vote
0 answers

Performance Issues in Real-time data visualization application

Here's the scenario: I'm working on decision-support system which is being developed as windows forms client and MySQL database server. There are sources which update data in real-time in the MySQL database and my application is supposed to read and…
this. __curious_geek
  • 42,787
  • 22
  • 113
  • 137
1
vote
0 answers

Automation of Facebook Prophet model for Streaming data (live data) for Anomaly detection in real time in python

How to update the Prophet model for new data to capture the latest trends and seasonality? There are several sources that say that the Prophet model should be created newly for every new data. Is there any other efficient solution for model…
Shivayavashilaxmipriya S
  • 11
  • 1
1
vote
1 answer

How do you real-time plot a colormap?

I am currently working on creating a Qt window with 3 matplotlib colormaps. The process is something like this: The user will input the x and y values of the plots into a GUI (each plot will have the same x and y values). These values will be…
Stephanie Howell
  • 23
  • 4
1
vote
1 answer

Filtering of online/dynamic/live/active/incoming/real-time/streaming data - Savitzky-Golay, Kalman, Others?

I've been implementing a real-time filtering/smoothing of incoming data using Savitzky-Golay (specifically, 'savgol_filter(values, window_size, order)' from scipy). Basically, at each timestep, new data comes in and is appended to data_list. I then…
Qosa
  • 47
  • 5
1
vote
0 answers

How to process continues real time data of received by zmq receiver in python dataframe?

I am collecting/receiving data of received signal continuously in real time and receiving through the zmq pull and then saving it in csv format. The received data is in numeric values of presence of peak signal. whenever i got peak there is peak…
Yash Aherrao
  • 11
  • 2
1 2 3
…
20 21