stekhn

function weightedStdDev(values, weights) {

  var avg = weightedMean(values, weights);

  var result = values.map(function (value, i) {

    var weight = weights[i];
    var diff = value - avg;
    var sqrDiff = weight * Math.pow(diff, 2);

stekhn

function weightedMedian(values, weights) {

  var midpoint = 0.5 * sum(weights);

  var cumulativeWeight = 0;
  var belowMidpointIndex = 0;

  var sortedValues = [];
  var sortedWeights = [];

stekhn

var elastic = require('elasticsearch');

var client = new elastic.Client({ host: 'localhost:9200' });
var index = 'myindex';
var type = 'document';

(function init() {

  Promise.resolve()
    .then(deleteIndex, handleError)

stekhn

#!/bin/bash
 
tail -n0 -F "$1" | while read LINE; do
  (echo "$LINE" | grep -e "$3") && curl -X POST --silent --data-urlencode \
    "payload={\"text\": \"$(echo $LINE | sed "s/\"/'/g")\"}" "$2";
done

stekhn

#!/bin/sh

#needs: pdftk, imagemagick, ghostscript and tesseract-ocr
#pdf should be 300dpi or higher resolution

#set -o errexit

function success () {
  echo "\033[33;32m ✓ \033[33;00m"
}

stekhn

// Extract text from PDF files (with images)
// Installation guide: https://github.com/nisaacson/pdf-extract

var extract = (function() {

  'use strict';

  var fs = require('fs');
  var path = require('path');
  var pdfExtract = require('pdf-extract');

stekhn

{
  "selectors": [
    {
      "parentSelectors": [
        "_root"
      ],
      "type": "SelectorLink",
      "multiple": true,
      "id": "month",
      "selector": "div.calendar-switcher.months ul li a",

stekhn

<form action="search">

  <fieldset>
    <legend>Search string</legend>
    <input type="search" name="query" value="" placeholder="Enter text">
  </fieldset>

  <fieldset>
    <legend>Search for</legend>
    <input type="radio" name="type" value="name" checked="checked">

stekhn

=CHAR((ROW(A1)-1)/26+97)&CHAR(MOD(ROW(A1)-1;26)+97)

stekhn

(function shareTheLove(♥) {
  if (♥ < Infinity) {
    shareTheLove(++♥)
  }
})(0);