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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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Real Time data on web application

I have C++ Backend process run on A server. Any process can connect to A server to get real time data feed. I have web application (grails) run on B server. Client Access via web browser to http://bserver/ I have a feature that web client can…
Denny
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Real-time backend for IoT App

I'm working on an IoT App which will do majority of the basic IoT operations like reading and writing to "Things". Naturally, it only makes sense to have an event-driven server than a polling server for real-time updates. I have looked into many…
Ehmad Zubair
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Postgres - store collected data from one view into table?

VERSION: Postgres 9.3 / PG-Admin 3 I don't know if there is a way to do this or not - but I have created a view that queries for a real-time data collection of one row. It runs a query and gives a result for that time. Here's my goal: set that…
Nicoale
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How to run android service permanently like system service?

I want to run my Android service(real-time notification service) after application installed and force it to work even application closed. This service responsible for listening my real-time notification server, when notification received I create…
Thugmaster
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Live realtime graph with Highstock, PHP and Mysql

I am working on a web app and have no idea on how to properly do this, I am already using highstock for static charts, I retrieve temperatures from a Mysql database, and using a PHP class I myself designed I send the data through the use of json to…
lucasrod
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Apache Storm Supervisor not Running the Bolt

I have created a storm cluster over Amazon EC2 instances. I tested my code in local Environment (pseudo-distributed environment) and it worked fine. But the code doesn't seems to work when I run the code in distributed environment. Is there…
anuj pradhan
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How to use single Hub(SignalRHub) with multi Form?

How can I initialize single(SignalR Hub) with multi Form. For example: when I'm insert new Entry Data from EntryPage and sent notify to hub and want to get that notify from ListingPage. Now I don't get that notify when I'm using multiple page…
user2728908
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how to put data continously put data into a stream and transmit it while compressing it in node js

I am a newbie to javascript. What i am trying to do is to fetch data from the data base and then transmit it on the internet. Now i can only read one entry at a time but i want to compress all the entries together rather than compressing one entry…
Naveed
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Realtime data in java web-based app

I'm coding a project discussion. My problem is when any member post comment to thread. That comment should be showed without reload page (As facebook). My PM does not allow me to use AJAX. So, please show what should I do to resolve this problem.…
user2558093
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How to authenticate mqtt streams?

I am trying to build a realtime mqtt applicationthat sends data from mobile devices to a backend that handles that data. How can I best implement an identification in these mqtt streams? I mean, how can I know what data is from which device/user?…
Ken Vernaillen
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how to handle realtime mqtt data in backend to response in html page

I want to make an app that sends realtime mqtt data. The backend will catch this mqtt stream. I need this data to manipulate a realtime graph on a webpage. How can I do this? What are the best practices to handle this realtime data? Should I process…
Ken Vernaillen
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Lag when plotting data from arrays in real time using matplotlib

I'm having a little bit of trouble ploting data of the size of two arrays or lists Arr_Particles and Arr_Particles2. I currently draw the figure to plot on when i intitiate my program then plot on it later using a function which is called every so…
JoeScott1232
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near-real time search on top of solr

We have a live system and we're using solr (v4.3.1) to index and serve data (and analysis results). As it's live, plenty of data is arriving at each moment and we need to somehow store it and show to end user with analytical results. To show raw…
tugcem
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Add external data source In Storm

I am new to Apache Storm. I have currently done word-count problem. Currently my data source (file containing words) is in my local system. But now i need this file to be in external system. i.e. if i tell ip of external system and path to file,…
user2823345
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How can I display real time data pulled from SQL Server database on the Windows forms

I have a DataGridView on my windows forms and I want to display real time data from a SQL Server database on it. I am using Windows.forms.Timer to fetch data from DB every 1 sec and binding it to DataGrid but some times on doing some other UI…
CHash11
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