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@codegeous
codegeous / countries.json
Created March 27, 2018 18:52
Explains how to build a search filters in react JS websites
[
{
"name": "Afghanistan",
"code": "AF"
},
{
"name": "Åland Islands",
"code": "AX"
},
{
@primaryobjects
primaryobjects / react-confirm.js
Created November 1, 2017 19:03
A simple example of a confirm alert dialog in ReactJs / React.
<div className='delete-button' onClick={() => { if (window.confirm('Are you sure you wish to delete this item?')) this.onCancel(item) } } />
@benjohnston
benjohnston / interview_prep.md
Last active February 9, 2021 06:18
anonymous
anonymous / index.html
Created July 7, 2017 04:27
Measure Me
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Measure Me</title>
<link rel="stylesheet" href="style.css">
</head>
<body class="main">
<div>
@fongandrew
fongandrew / react-bind.md
Last active January 14, 2024 16:02
Explaining why we bind things in React

Start With This

Before getting to React, it's helpful to know what this does generally in Javascript. Take the following snippet of code. It's written in ES6 but the principles for this predate ES6.

class Dog {
  constructor() {
@iscott
iscott / simple_authentication_rails_5_bcrypt_and_has_secure_password.md
Last active March 15, 2024 03:23
Cheat Sheet: Simple Authentication in Rails 5 with has_secure_password

Cheat Sheet: Simple Authentication in Rails 6 with has_secure_password

The goal of this cheatsheet is to make it easy to add hand-rolled authentication to any rails app in a series of layers.

First the simplest/core layers, then optional layers depending on which features/functionality you want.

Specs
AUTHOR Ira Herman
LANGUAGE/STACK Ruby on Rails Version 4, 5, or 6
@joaorafaelm
joaorafaelm / cracklepop.py
Created April 16, 2016 23:28
Crackle pop in python
"""
A program that prints out the numbers 1 to 100 (inclusive).
If the number is divisible by 3, print Crackle instead of the number.
If it's divisible by 5, print Pop.
If it's divisible by both 3 and 5, print CracklePop.
"""
for number in range(1, 101):
if number % 15 == 0:
print ("CracklePop")
continue
@sebkouba
sebkouba / ParentChild.es6
Created February 17, 2016 06:00
Basic example to pass values between parent and child components in React.
/**
* Basic example to pass values between parent and child components in React
* Seems to be in line with this
* http://stackoverflow.com/questions/24147331/react-the-right-way-to-pass-form-element-state-to-sibling-parent-elements
* Now I have the state in parent and child. Is that good or bad? Why would I need it in child?
* Could probably take that out
* */
class Parent extends React.Component {
constructor(props) {
super(props);
@vasanthk
vasanthk / System Design.md
Last active April 24, 2024 17:22
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?
@mdang
mdang / RAILS_CHEATSHEET.md
Last active April 13, 2024 15:36
Ruby on Rails Cheatsheet

Ruby on Rails Cheatsheet

Architecture

Create a new application

Install the Rails gem if you haven't done so before