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module.exports = {
    "env":
    {
        "browser": true,
        "es6": true,
        "node": true
    },
    "extends": "eslint:recommended",
    "parserOptions":
    {

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{
	"presets": [
		["@babel/preset-env", {"modules": "commonjs"}]
	],
	"plugins": [
		["@babel/plugin-proposal-object-rest-spread", {}],
		["@babel/plugin-proposal-class-properties", { "loose": false }],
		["@babel/plugin-proposal-nullish-coalescing-operator"],
		["@babel/plugin-proposal-optional-chaining"],
		["@babel/plugin-proposal-pipeline-operator", { "proposal": "minimal" }]

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function wrapInReadOnlyProxy(orig, throwOnSet = false) {
	if (typeof orig !== "object") {
		return orig;
	}
	
	return new Proxy(orig, {
		get: function(target, property) {
		if (property in target) {
			return wrapInReadOnlyProxy(target[property]);
		}

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const combinePredicates = (predicate1, predicate2, ...predicateRest) =>
  (item) =>
    predicate1(item) && (predicateRest.length > 0? combinePredicates(predicate2, predicateRest[0]): predicate2)(item);


// sample predicates
const exclude = (val) => (item) => item !== val;
const excludeRange = (from, to) => (item) => item < from || item > to;
// sample data
let arr = [1,2,3,4,5,6,7,8,9,10];

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{
	"console.log(\"***\", ...)": {
		"prefix": "conso",
		"scope": "javascript,typescript,typescriptreact",
		"body": [
			"console.log(\"*** $1\", $0)",
			""
		]
	},
	"debug-map":{

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[alias]
        refresh = !git fetch --all --prune && git checkout master && git pull --rebase && git lastbranch
        amend = commit --amend --no-edit
        lastbranch = checkout @{-1}
        ql = log -10 --oneline --decorate --graph
        qb = "!qb(){ git refresh && git checkout -b aei/PPN-$@; }; qb"
        qc = "!qc(){ git checkout aei/PPN-$@; }; qc"
        qa = "!qa(){ git refresh && git branch --remote | grep $@ | sed 's/origin\\///' | xargs git checkout && git pull --rebase && git rebase master; }; qa"

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const chain = (obj, op = obj => obj, ...restOps) => restOps.length > 0
    ? chain(op(obj), ...restOps)
    : op(obj);

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Running docker images cheatsheet

Download a docker image

Download the image called debian:

docker pull debian

Create a container (and start it)

The container in the samples will be named "debby"

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How to add a new disk in Linux

This post takes you through creating a partition, formatting it and finally mount it in the filesystem.

These procedures where tested on Linux Mint 19

List disks and partitions

$ sudo fdisk -l

The result will vary depending on the number of disk you have. On my computer I got these three entries:

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Linux users/groups/permissions cheatsheet

Add user

sudo useradd -m peter
sudo passwd peter

groupadd myAppUsers

sudo usermod -a -G peter myAppUsers