s-steephan

const express = require('express');
const { AsyncLocalStorage } = require('async_hooks');
const http = require('http');

const asyncLocalStorage = new AsyncLocalStorage();
const app = express();

app.use((req, res, next) => {
    asyncLocalStorage.run({
        seqId: req.query.seqId // Set here

s-steephan

To apply mask to all images

# replace mask.png with your mask file name.

for i in *.png; do convert $i  mask.png -gravity center -composite $i; done 

s-steephan

ffmpeg Convert Comments

for i in *.asf; do ffmpeg -i $i -bsf:v h264_mp4toannexb -c:v copy $i.mp4; done

ffmpeg -ss 00:00:00 -i NVR_ch1_main_20180712001236_20180712005603.dav.mp4 -t 00:21:00 -vcodec copy -acodec copy newfile.mp4

Partial mysql dump

mysqldump -u root -p violet --ignore-table=violet.challan --where='1 limit 100'> all.sql 

s-steephan

{
    "ways": [
        {
            "wayId": 1,
            "intensityRatio": 100,
            "upperLeft": [
                527,
                90
            ],
            "url": "/home/ravi/Programming/vehicle-detection/Samples/dav26/1.mp4",