jq is useful to slice, filter, map and transform structured json data.
brew install jq
const axios = require(`axios`) | |
// Pass incoming webhook URL with environment variable `WEBHOOK_URL`. | |
const WEBHOOK_URL = process.env.WEBHOOK_URL | |
const title = `Hi` | |
const subtitle = `Hello` | |
const paragraph = `Hasta La Vista, Baby.` | |
const widget = { textParagraph: { text: paragraph } } | |
axios.post(WEBHOOK_URL, { |
# WARNING: This docker-compose.yml is only for testing purpose. | |
# Parameters: | |
# - name: CONFLUENT_PLATFORM_VERSION | |
# default: 3.0.0 | |
# reference: https://hub.docker.com/u/confluentinc/ | |
# Ports: | |
# - description: Major ports are exposed to host computer | |
# - zookeeper: 2181 | |
# kafka1: 9091 | |
# kafka2: 9092 |
Originall From: Posted 2015-05-29 http://ubwg.net/b/full-list-of-ffmpeg-flags-and-options | |
This is the complete list that’s outputted by ffmpeg when running ffmpeg -h full. | |
usage: ffmpeg [options] [[infile options] -i infile]… {[outfile options] outfile}… | |
Getting help: | |
-h — print basic options | |
-h long — print more options | |
-h full — print all options (including all format and codec specific options, very long) |
ffmpeg -ss <start_time> -i video.mp4 -t <duration> -q:v 2 -vf select="eq(pict_type\,PICT_TYPE_I)" -vsync 0 frame%03d.jpg |