adekbadek

# convert video to webm
# https://thethemefoundry.com/blog/convert-mp4-to-webm/
ffmpeg -i myvideo.mp4 -c:v libvpx -crf 10 -b:v 1M -c:a libvorbis myvideo.webm

# convert between image formats
convert myimg.png myimg.jpg

# convert images to webp
# https://www.npmjs.com/package/webp-converter-cli
# to convert all in current directory:

adekbadek

DATE=`date +%Y%m%d`
URL="http://www.meteo.pl/php/meteorogram_list_coamps.php?ntype=2n&fdate=$(echo $DATE)12&row=133&col=96&lang=pl&cname=Warszawa"

/Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome $URL

adekbadek

<!-- remove link from WP excerpt -->
<!-- https://stackoverflow.com/a/42202343 -->

function new_excerpt_more($more) {
  global $post;
  remove_filter('excerpt_more', 'new_excerpt_more');
  return '';
}
add_filter('excerpt_more','new_excerpt_more', 11);

adekbadek

// https://github.com/webpack/webpack/issues/86#issuecomment-179957661

// in index.pug, write simply [[app]] if your JS is app.js

var webpack = require('webpack')
var path = require('path')
var fs = require('fs')

module.exports = {
  entry: {

adekbadek

Keybase proof

I hereby claim:

• I am adekbadek on github.
• I am adamboro (https://keybase.io/adamboro) on keybase.
• I have a public key whose fingerprint is 0184 5B0B 5DA3 FC5F B7A6 1B2B EAD0 EECF FEF4 E0A3

To claim this, I am signing this object:

adekbadek

const a = 'abcdefghijklmnopqrstuvwxyz'

const ceasar = (str, rot) => {
  return str.split('').map((letter) => {
    if (a.indexOf(letter.toLowerCase()) < 0) {
      return letter
    }
    let rotLetter = a[(a.indexOf(letter.toLowerCase()) + rot) % a.length]
    return letter.toLowerCase() === letter ? rotLetter : rotLetter.toUpperCase()

adekbadek

// in each paragraph, add a 24h-formatted time and convert from EST to Central Europe time.

// BEWARE between Mar 13 and Mar 26 USA already change to DST, while Poland still waits. Next funkyzeit in Nov.

$('p').each(function(){
  var match = $(this).html().match(/([\w]*):([\w]*) ([\w]*)/)
  if(match != null && match.length >= 0){
    var h = match[1]
    var m = match[2] 
    var ap = match[3]

adekbadek

// Print n lines of Pascal's triangle

// just a factorial function
function fa(num) {
  if (num === 0){ return 1; }
  else{ return num * fa( num - 1 ); }
}

// Binomial coefficient
function newt(n, k){

adekbadek

###
# Takes provided URL passed as argument and make screenshots of this page with several viewport sizes.
# These viewport sizes are arbitrary, taken from iPhone & iPad specs, modify the array as needed
#
# Original gist by nhoizey: https://gist.github.com/nhoizey/4060568
#
# Usage:
# $ casperjs screenshots.coffee [--atf] [--url=URL]
# with SlimerJS - it has better feature support than the default PhantomJS
# $ casperjs --engine=slimerjs test.coffee [--atf] [--url=URL]

adekbadek

// Print n lines of Pascal's triangle

function new_line(line){
  // function takes the last line and based on that creates the next one
  var new_line_array = [],
      next_int;
  // iterate over the line, which is an array of integers
  for(var i=0; i<line.length; i++ ){
    var a = parseInt(line[i]);
    var b = parseInt(line[i-1]);