vsimko

// sending-a-file-as-multipart-through-xmlhttprequest
https://stackoverflow.com/questions/9395911/sending-a-file-as-multipart-through-xmlhttprequest



// change the id `USE-YOUR-ID`
const img = document.getElementById('USE-YOUR-ID');

// extracts image data from <img> element through canvas
const canvas = document.createElement('canvas');

vsimko

// Created by Viliam Simko
// using the example from https://github.com/Sneko/node-openalpr.git

const openalpr = require("node-openalpr")
const fs = require('fs')

async function identify(path) {
  return new Promise((resolve, reject) => {
    openalpr.IdentifyLicense(path, (error, output) =>
      error

vsimko

# show whole messages as formatted JSON
curl -s https://stream.wikimedia.org/v2/stream/recentchange | grep data | sed 's/^data: //g' | jq .

# show only title and comment
curl -s https://stream.wikimedia.org/v2/stream/recentchange | grep data | sed 's/^data: //g' | jq '{title:.title, comment:.comment}'

vsimko

• async : Nice library which among other features provides queue processing using multiple cores
• https://goldfirestudios.com/blog/136/Horizontally-Scaling-Node.js-and-WebSockets-with-Redis
• https://yarnpkg.com/en/package/node-http-proxy
• https://github.com/airbnb/javascript - airbnb's js style guide
• https://flow.org/en/docs/usage/ - using a type checker in js
• 8 non-flux strategies for react communication
• react apollo
• apollo with optimistic ui updates
• https://github.com/skale-me/skale-engine

vsimko

import org.apache.hadoop.fs.RemoteIterator

/**
  * Converts RemoteIterator from Hadoop to Scala Iterator that provides all the familiar functions such as map,
  * filter, foreach, etc.
  *
  * @param underlying The RemoteIterator that needs to be wrapped
  * @tparam T Items inside the iterator
  * @return Standard Scala Iterator
  */

vsimko

myscatter_lower <- function(data,
                            point_color = "white",
                            border_color = NA,
                            point_size = 3) {

  drawcell <- function(fx, fy, datax, datay) {

    oldpar <- par(mar = c(0,0,0,0), bg = "white")
    on.exit(par(oldpar), add = TRUE)

vsimko

\makeatletter
\renewenvironment{thebibliography}[1]{
  \section*{\refname}%
  \@mkboth{\MakeUppercase\refname}{\MakeUppercase\refname}%
  \list{\@biblabel{\@arabic\c@enumiv}}{
    \leftmargin0pt
    \@openbib@code
    \usecounter{enumiv}
  }%
  \let\p@enumiv\@empty

vsimko

How to install node-red:

mkdir mynodered
cd mynodered
yarn add --network-concurrency 1 node-red
./node_modules/.bin/node-red

vsimko

# these libraries required corrplot 0.84, download from github
# install.packages("devtools")
# devtools::install_github("taiyun/corrplot")
library(raster)
library(corrplot)
citation("corrplot")

s <- stack("~/Work/biggis/data/data-julian/Auto150_georef.tif")
nlayers(s)
plot(s[[1]])

vsimko

# install required packages
sudo apt install mplayer kafkacat

# create a separate dir for the frames
mkdir frames
cd frames

# download video to vid.avi
curl -o vid.avi "http://www.engr.colostate.edu/me/facil/dynamics/files/drop.avi"