Joshua Koo zz85

## gist:069b2c1662f20a9ab3a1cc1e97b28ad1

      
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                zz85
                / gist:069b2c1662f20a9ab3a1cc1e97b28ad1
            
            
              Created
              July 22, 2022 23:35
                — forked from debasishg/gist:8172796
            
              
                A collection of links for streaming algorithms and data structures
              
          
General Background and Overview


Probabilistic Data Structures for Web Analytics and Data Mining : A great overview of the space of probabilistic data structures and how they are used in approximation algorithm implementation.
Models and Issues in Data Stream Systems
Philippe Flajolet’s contribution to streaming algorithms : A presentation by Jérémie Lumbroso that visits some of the hostorical perspectives and how it all began with Flajolet
Approximate Frequency Counts over Data Streams by Gurmeet Singh Manku & Rajeev Motwani : One of the early papers on the subject.
[Methods for Finding Frequent Items in Data Streams](http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.187.9800&amp;rep


## ascii_charts.js
// '█' -> '▏'

times = (x) => new Array(x).fill(0);

var blocks = times(8).map((_, i) => String.fromCharCode(9608 + i));
var values = times(8).map(() => Math.random() * 10000);
// values = [0, 4, 10, 20, 50]
// values = [5, 5, 5, 5, 5]
// values = [ 0, 1,2,3,4,5,6,7,]
// values = [0, 0, 0]

## questions.html
<html>

<body>
    <style>
        body {
            font-size: 20px;
            text-align: center;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans',
                'Droid Sans', 'Helvetica Neue', sans-serif !important;
            padding: 40px;

## snake_toCamel.js
m = /\s+(([A-Z0-9]+_)*([A-Z0-9]+))\s+/g

locations = [];

while (match = m.exec(x)) {
    console.log(match)
    str = match[1].split('_')
    .map(s => s[0].toUpperCase() + s.substring(1).toLowerCase())
    .join('')
    locations.push({

## after.sh
		Testing ciphers using signature preferences of size: 1
	Creating ThreadPool of size: 8
Digests: SHA256                              ClientAuth: None   Vers: Default ... PASSED
Digests: SHA384                              ClientAuth: None   Vers: Default ... PASSED
Digests: SHA1                                ClientAuth: None   Vers: Default ... PASSED
Digests: SHA384                              ClientAuth: None   Vers: Default ... PASSED
Digests: SHA1                                ClientAuth: None   Vers: Default ... PASSED
Digests: SHA224                              ClientAuth: None   Vers: Default ... PASSED
Digests: SHA224                              ClientAuth: None   Vers: Default ... PASSED
Digests: SHA256                              ClientAuth: None   Vers: Default ... PASSED

## du.rs
use std::io;
use std::fs::{self, DirEntry};
use std::path::Path;
use std::env;

/**
 * compile: rustc du.rs
 * run: compare
 * /usr/bin/time -lp ./du ~/Documents
 * /usr/bin/time -lp du -sk ~/Documents

## drunk_videospeed.js
/**
 * seeing how @thespite gets drunk
 * https://twitter.com/thespite/status/1056264007450062848
 */

e = t => t < .5 ? 2 * t * t : -1 + (4 - 2 * t ) * t,
n = _ => performance.now(), cT = n(),
nT = cT,
cV = 1,
nV = 1,

## postions.js
const Ib = require('ib');

var ib = new Ib()

function getPositions(ib, cb) {
    ib.on('position', onPositions)
    ib.reqPositions()
    var positions = [];
    var pending = null;


## animals.proto
message Dog {

}

message Cat {

}

message Elephant {

## index.js
const express = require('express')
const app = express()

app.get('/', (req, res) => res.send('Hello World!'))

app.listen(4444, () => console.log('Example app listening on port 4444!'))


process.on('message', function(packet) {
    console.log('process message received', packet, process.env.pm_id, process.env.NODE_APP_INSTANCE)
	// '█' -> '▏'

	times = (x) => new Array(x).fill(0);

	var blocks = times(8).map((_, i) => String.fromCharCode(9608 + i));
	var values = times(8).map(() => Math.random() * 10000);
	// values = [0, 4, 10, 20, 50]
	// values = [5, 5, 5, 5, 5]
	// values = [ 0, 1,2,3,4,5,6,7,]
	// values = [0, 0, 0]
	<html>

	<body>
	<style>
	body {
	font-size: 20px;
	text-align: center;
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans',
	'Droid Sans', 'Helvetica Neue', sans-serif !important;
	padding: 40px;
	m = /\s+(([A-Z0-9]+_)*([A-Z0-9]+))\s+/g

	locations = [];

	while (match = m.exec(x)) {
	console.log(match)
	str = match[1].split('_')
	.map(s => s[0].toUpperCase() + s.substring(1).toLowerCase())
	.join('')
	locations.push({
	Testing ciphers using signature preferences of size: 1
	Creating ThreadPool of size: 8
	Digests: SHA256 ClientAuth: None Vers: Default ... PASSED
	Digests: SHA384 ClientAuth: None Vers: Default ... PASSED
	Digests: SHA1 ClientAuth: None Vers: Default ... PASSED
	Digests: SHA384 ClientAuth: None Vers: Default ... PASSED
	Digests: SHA1 ClientAuth: None Vers: Default ... PASSED
	Digests: SHA224 ClientAuth: None Vers: Default ... PASSED
	Digests: SHA224 ClientAuth: None Vers: Default ... PASSED
	Digests: SHA256 ClientAuth: None Vers: Default ... PASSED
	use std::io;
	use std::fs::{self, DirEntry};
	use std::path::Path;
	use std::env;

	/**
	* compile: rustc du.rs
	* run: compare
	* /usr/bin/time -lp ./du ~/Documents
	* /usr/bin/time -lp du -sk ~/Documents
	/**
	* seeing how @thespite gets drunk
	* https://twitter.com/thespite/status/1056264007450062848
	*/

	e = t => t < .5 ? 2 * t * t : -1 + (4 - 2 * t ) * t,
	n = _ => performance.now(), cT = n(),
	nT = cT,
	cV = 1,
	nV = 1,
	const Ib = require('ib');

	var ib = new Ib()

	function getPositions(ib, cb) {
	ib.on('position', onPositions)
	ib.reqPositions()
	var positions = [];
	var pending = null;
	const express = require('express')
	const app = express()

	app.get('/', (req, res) => res.send('Hello World!'))

	app.listen(4444, () => console.log('Example app listening on port 4444!'))


	process.on('message', function(packet) {
	console.log('process message received', packet, process.env.pm_id, process.env.NODE_APP_INSTANCE)