4,574 questions
1
vote
2
answers
119
views
Frequent update of records in database
I’m building a real-time chat application using NestJS, Postgresql (Main DB), Redis and Socket.IO.
My database schema (simplified) looks like this:
-- Chats
table chats (
id serial primary key,
...
0
votes
1
answer
75
views
Cache Allocation Technology in 13th Generation Core i9 13900E Intel CPU [closed]
I am trying to implement Cache allocation Technology`s impact with my CPU. However, when I use either lscpu to see whether my CPU supports, or cpuid -l 0x10, output is false.
How is this possible?
How ...
3
votes
0
answers
225
views
How to cleanly shut down a real-time work queue?
I'm using the Windows Real-Time Work Queue API to do audio playback using WASAPI. The queue is created using RtwqLockSharedWorkQueue and work is submitted using RtwqPutWaitingWorkItem. From the ...
- 4,146
0
votes
0
answers
30
views
It's a KQL Query which need to be resolved, I have tried different approaches but didn't worked
union
(.show databases | extend Source = "Databases"),
(.show tables | extend Source = "Tables")
Unable to do this.
If I am combining the result of my two ".show "command ...
0
votes
0
answers
52
views
Real-Time to Windows Data Transfer in Labview
I am working with NI sbRIO-9606 and cRIO-9030 modules. I have an sbRIO code where I handle some data.(also have sbrio to fpga code where I created a bitfile) I'm working on windows 7
The problem is I ...
- 1
0
votes
0
answers
133
views
Input audio from microphone not collected when audio is reproduced
I'm developing a simple real-time voice bot using the OpenAI real-time API, specifically integrating with Semantic Kernel. The code is written in an async manner, and it initially works well. However, ...
- 1,618
3
votes
1
answer
509
views
How to perform real-time Postgres to Redis sync?
I want to sync a Postgres table (2 million records) to Redis.
Requirements:
Full table should sync initially
After that, realtime insert/update/delete should sync to Redis automatically (no polling)
...
- 81
0
votes
0
answers
40
views
Can AWS Flink Restore from Checkpoint After Pausing the Application?
I'm developing a Flink application on AWS Managed Service for Apache Flink and I'm trying to configure it to restore from the last successful checkpoint after the application is paused and resumed.
My ...
- 165
1
vote
0
answers
24
views
Does GridDB Cloud support triggers or callbacks for real-time data processing?
I'm building a data ingestion pipeline with GridDB Cloud where IoT devices send temperature data every few seconds.
Once data is inserted into the container, I want to immediately trigger a function ...
- 21
3
votes
2
answers
208
views
matplotlib.animation.FuncAnimation lagging when resizing the plot window (more than 5 seconds)
The code below generates random data, and displays it in realtime with Matplotlib. The sliders allow the user to change the y-axis range. All of this works.
Problem: when resizing the window size or ...
- 47.6k
1
vote
1
answer
120
views
Is there a way to achieve near-instant updates in Streamlit using GridDB as a time-series backend?
I'm working on a real-time monitoring dashboard using Streamlit, with GridDB as the backend time-series database. My goal is to update the dashboard with new data every second.
Here is my current ...
- 11
0
votes
1
answer
23
views
How to Add an Auto-Incrementing ID Column to the result table of the Reactive State Engine in DolphinDB?
I need to maintain an auto-incrementing ID field for each stock as an identifier in DolphinDB's Reactive State Engine for real-time data processing. However, there are no relevant parameters in the ...
- 319
1
vote
0
answers
76
views
SignalR "Hub is not running you cand send messages" when subscribing to account with Python `signalrcore`
I'm working on integrating a real-time trading data feed using SignalR and the signalrcore Python client. I can connect to the hub successfully, and the account discovery API works fine. However, when ...
- 65
0
votes
0
answers
91
views
Issues with Product Detection and Consistent Person IDs Using YOLOv8 and DeepSORT
I'm working on a real-time object tracking system using YOLOv8 for object detection and DeepSORT for tracking. The goal is to detect both customers (persons) and products, and assign each person a ...
- 1
0
votes
0
answers
62
views
Jupyter Notebook interaction
Goal: Enable real-time interaction with a Jupyter Notebook by sharing the same kernel between Python code (CLI/script) and the Jupyter Notebook UI.
Use case: Allow a script to interact with variables ...
- 1