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@mshafrir
mshafrir / states_hash.json
Created May 9, 2012 17:05
US states in JSON form
{
"AL": "Alabama",
"AK": "Alaska",
"AS": "American Samoa",
"AZ": "Arizona",
"AR": "Arkansas",
"CA": "California",
"CO": "Colorado",
"CT": "Connecticut",
"DE": "Delaware",
@vasanthk
vasanthk / System Design.md
Last active November 17, 2024 23:21
System Design Cheatsheet

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

  1. Clarify and agree on the scope of the system
  • User cases (description of sequences of events that, taken together, lead to a system doing something useful)
    • Who is going to use it?
    • How are they going to use it?
@subfuzion
subfuzion / curl.md
Last active November 17, 2024 03:54
curl POST examples

Common Options

-#, --progress-bar Make curl display a simple progress bar instead of the more informational standard meter.

-b, --cookie <name=data> Supply cookie with request. If no =, then specifies the cookie file to use (see -c).

-c, --cookie-jar <file name> File to save response cookies to.

@laurenfazah
laurenfazah / authentication_with_express_postgres.md
Last active July 13, 2024 16:51
Authentication with an Express API and Postgres

Authentication with an Express API and Postgres

Setting Up

Let's make sure our Express app has the required base modules:

# within root of API
npm install --save express pg knex bcrypt
npm install --save-dev nodemon
@DawidMyslak
DawidMyslak / vue.md
Last active April 22, 2024 12:49
Vue.js and Vuex - best practices for managing your state

Vue.js and Vuex - best practices for managing your state

Modifying state object

Example

If you have to extend an existing object with additional property, always prefer Vue.set() over Object.assign() (or spread operator).

Example below explains implications for different implementations.

If .DS_Store was never added to your git repository, simply add it to your .gitignore file.

If you don't have one, create a file called

.gitignore

In your the root directory of your app and simply write

@onildoaguiar
onildoaguiar / sorting-an-array-by-date-with-moment-js.md
Last active May 21, 2024 15:15
Sorting an array by date with Moment.js
const Moment = require('moment')
const array = [{date:"2018-05-11"},{date:"2018-05-12"},{date:"2018-05-10"}]
const sortedArray  = array.sort((a,b) => new Moment(a.date).format('YYYYMMDD') - new Moment(b.date).format('YYYYMMDD'))
console.log(sortedArray)
@mehiel
mehiel / CountriesDropdown.js
Last active October 20, 2020 12:02
React: use-dropdown hook
import React, { useRef } from "react";
import useDropdown from "use-dropdown";
function CountriesDropdown(props) {
const coutriesEl = useRef(null);
const countriesDropEl = useRef(null);
const [countriesDropOpen, toggleCountriesDrop] = useDropdown(countriesDropEl, coutriesEl);
const onClick = () => toggleCountriesDrop();
return (