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Alex Demidoff ademidoff

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ademidoff / run_grep.py
Created October 12, 2015 11:45 — forked from kuk/run_grep.py
import re
import sys
from subprocess import Popen, PIPE
from multiprocessing import Pool
PDS_BASE = 'http://aws-publicdatasets.s3.amazonaws.com/'
WARC_PATHS = {
'2014-12': 'common-crawl/crawl-data/CC-MAIN-2014-52/warc.paths.gz',
'2015-07': 'common-crawl/crawl-data/CC-MAIN-2015-32/warc.paths.gz'
@ademidoff
ademidoff / co_and_generator.js
Created July 15, 2016 18:08 — forked from wgottschalk-RMS/co_and_generator.js
import co from 'co';
app.post("/purchase", (req, res) => {
co(function* () {
const person = yield user.findOneAsync(req.body);
const permissions = yield permissions.findAllAsync(person);
if (isAllowed(permissions)) {
const confirmNum = yield transaction.processAsync(user);
res.send("Your transaction was successful!")
}
}).catch(err => handleError(err))
@ademidoff
ademidoff / csvUploadTest.js
Created June 15, 2017 21:34 — forked from cmatskas/csvUploadTest.js
csvUploadTest.js
<!DOCTYPE html>
<head>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.0.0-alpha1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery-csv/0.71/jquery.csv-0.71.min.js"></script>
<script type="text/javascript">
$(document).ready(function() {
// The event listener for the file upload
document.getElementById('txtFileUpload').addEventListener('change', upload, false);
@ademidoff
ademidoff / javascript_loader.js
Last active August 1, 2017 23:21 — forked from hagenburger/javascript_loader.js
Dynamically load JavaScript files with callback when finished
// Examples:
JavaScript.load("/javascripts/something.js");
JavaScript.load("http://www.someawesomedomain.com/api.js", function() {
API.use(); // or whatever api.js provides ...
});
/** Tested with:
@ademidoff
ademidoff / boston.json
Created March 24, 2018 09:36 — forked from pprett/boston.json
Decision Tree Viewer (D3 and Sklearn)
{"error": 42716.2954, "samples": 506, "value": [22.532806324110698], "label": "RM <= 6.94", "type": "split", "children": [{"error": 17317.3210, "samples": 430, "value": [19.93372093023257], "label": "LSTAT <= 14.40", "type": "split", "children": [{"error": 6632.2175, "samples": 255, "value": [23.349803921568636], "label": "DIS <= 1.38", "type": "split", "children": [{"error": 390.7280, "samples": 5, "value": [45.58], "label": "CRIM <= 10.59", "type": "split", "children": [{"error": 0.0000, "samples": 4, "value": [50.0], "label": "Leaf - 4", "type": "leaf"}, {"error": 0.0000, "samples": 1, "value": [27.9], "label": "Leaf - 5", "type": "leaf"}]}, {"error": 3721.1632, "samples": 250, "value": [22.90520000000001], "label": "RM <= 6.54", "type": "split", "children": [{"error": 1636.0675, "samples": 195, "value": [21.629743589743576], "label": "LSTAT <= 7.57", "type": "split", "children": [{"error": 129.6307, "samples": 43, "value": [23.969767441860473], "label": "TAX <= 222.50", "type": "split", "children": [{"err
@ademidoff
ademidoff / png.inject.js
Created April 16, 2018 13:19 — forked from lahmatiy/png.inject.js
Solution to inject/fetch a custom data to/from a PNG image
const pngSignature = Buffer.from([137, 80, 78, 71, 13, 10, 26, 10]);
const hashKey = 'react-snapshot-hash';
const crcTable = [];
const initialCrc = 0xffffffff;
for (let n = 0; n < 256; n++) {
let c = n;
for (let k = 0; k < 8; k++) {
if (c & 1) {
@ademidoff
ademidoff / mousespeed-sparkline.js
Created June 1, 2019 19:22 — forked from ripper234/mousespeed-sparkline.js
function drawMouseSpeedDemo() {
var mrefreshinterval = 500; // update display every 500ms
var lastmousex=-1;
var lastmousey=-1;
var lastmousetime;
var mousetravel = 0;
var mpoints = [];
var mpoints_max = 30;
$('html').mousemove(function(e) {
var mousex = e.pageX;