Max Taldykin jorpic

Block scopes with let and const
- let in for loop rebinds variable on each iteration
lexical this (instead of dynamic one) with arrow functions
method definitions ?
shorthand object properties
- var = {foo, bar}
computed property names
- { [name()]: value }
getter & setter methods

Here is a query adopted from blog.jooq.org:

explain analyze with
  dates(d) as
    (select distinct date(ctime)
      from "Event"
      where modelname='Partner'
        and type = 'Update'
        and userid = 193

TODO: split by topic (code quality, process quality), order by stars

★★★ Act with prudence

technical debt is like a loan: the longer you have it, the worse it gets
Martin Fowler distinguishes
- deliberate technical debt
- inadvertent technical debt
add a ticket and ensure it does not get forgotten

https://university.mongodb.com/courses/M202/about

1

Memory model
- mmap (deprecated after introducing WiredTiger engine)
Working set (portion of data that is accessed most often)
- indexes
subset of data

	#!/usr/bin/env bash

	# based on https://jamielinux.com/docs/openssl-certificate-authority/index.html
	# TODO: check if root

	set -e

	ROOT_STORE=/etc/ssl/caroperator-svc/root
	ROOT_KEY=$ROOT_STORE/private/ca.key
	ROOT_CERT=$ROOT_STORE/certs/ca.cert

	const fs = require('fs');
	const path = require('path');
	const solc = require('solc');
	const Web3 = require('web3');

	const web3 = new Web3();
	web3.setProvider(new web3.providers.HttpProvider('http://localhost:8545'));


	function compile(src) {

	<!doctype html>
	<html>
	<head>
	<meta charset="utf-8">
	<link href='https://fonts.googleapis.com/css?family=Raleway:500' rel='stylesheet' type='text/css'>

	<style>
	@page {
	size: landscape;
	}

	<!doctype html>
	<html>
	<head>
	<meta charset="utf-8">
	<link href='https://fonts.googleapis.com/css?family=Raleway:500' rel='stylesheet' type='text/css'>

	<style>
	@page {
	size: landscape;
	}

	<!doctype html>
	<html>
	<head>
	<meta charset="utf-8">
	<link href='https://fonts.googleapis.com/css?family=Raleway:500' rel='stylesheet' type='text/css'>

	<style>
	@page {
	size: landscape;
	}

	with
	events as
	(select
	modelid as ctr,
	ctime,
	(patch->>'isActive')::bool as isActive
	from "Event"
	where modelname = 'Contract'
	and type = 'Update'
	and (patch->>'isActive')::bool is not null