init.vim and settings.vim go under ~/.config/nvim Follow the installation instructions for https://github.com/junegunn/vim-plug and place plug.vim in ~/.config/nvim/autoload
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docker run -v /datadir:/data/db --name mongo -d mongo --auth | |
docker exec -it mongo mongo | |
> use admin | |
> db.system.users.find() | |
> db.createUser({ user: 'admin', pwd: 'admin', roles: [ { role: "root", db: "admin" } ] }); | |
> use some-db | |
> db.createUser({ user: 'user', pwd: 'user', roles: [ "readWrite" ] }); |
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function mapValues(obj, fn) { | |
return Object.keys(obj).reduce((result, key) => { | |
// call fn() and re-assign it to results. | |
result[key] = fn(obj[key], key); | |
return result; | |
}, {}); | |
} | |
function pick(obj, fn) { | |
return Object.keys(obj).reduce((result, key) => { |
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export class EnumSymbol { | |
sym = Symbol.for(name); | |
value: number; | |
description: string; | |
constructor(name: string, {value, description}) { | |
if(!Object.is(value, undefined)) this.value = value; | |
if(description) this.description = description; |
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# Author: Pieter Noordhuis | |
# Description: Simple demo to showcase Redis PubSub with EventMachine | |
# | |
# Update 7 Oct 2010: | |
# - This example does *not* appear to work with Chrome >=6.0. Apparently, | |
# the WebSocket protocol implementation in the cramp gem does not work | |
# well with Chrome's (newer) WebSocket implementation. | |
# | |
# Requirements: | |
# - rubygems: eventmachine, thin, cramp, sinatra, yajl-ruby |
@kangax created a new interesting quiz, this time devoted to ES6 (aka ES2015). I found this quiz very interesting and quite hard (made myself 3 mistakes on first pass).
Here we go with the explanations:
(function(x, f = () => x) {
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// Promise.all is good for executing many promises at once | |
Promise.all([ | |
promise1, | |
promise2 | |
]); | |
// Promise.resolve is good for wrapping synchronous code | |
Promise.resolve().then(function () { | |
if (somethingIsNotRight()) { | |
throw new Error("I will be rejected asynchronously!"); |
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var AWS = require('aws-sdk'), | |
fs = require('fs'); | |
// http://docs.aws.amazon.com/AWSJavaScriptSDK/guide/node-configuring.html#Credentials_from_Disk | |
AWS.config.loadFromPath('./aws-config.json'); | |
// assume you already have the S3 Bucket created, and it is called ierg4210-shopxx-photos | |
var photoBucket = new AWS.S3({params: {Bucket: 'ierg4210-shopxx-photos'}}); | |
function uploadToS3(file, destFileName, callback) { |
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