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MongoDB Cheat Sheet

Show All Databases

show dbs

Show Current Database

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React & JSX Cheatsheet

Overview
JSX HTML	<div>...</div>
JSX Component	<Component property={javascript} /> <Component property='string' />
JSX Component with Children	<Component>{children}</Component> reference: props.children
Escaping JavaScript	{...}
require statements	const React = require('react'); const ReactDOM = require('react-dom');
npm modules	react, react-dom

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React lifecycle cheatsheet

Method	Side effects1	State updates2	Example uses
Mounting
componentWillMount		✓	Constructor equivalent for createClass
render			Create and return element(s)
componentDidMount	✓	✓	DOM manipulations, network requests, etc.
Updating
componentWillReceiveProps		✓	Update state based on changed props

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React Best practices

I have summarized and compiled a list of React.JS best practices from various sources across the internet.

From the React docs

• https://reactjs.org/docs/components-and-props.html

  • props must be readonly

• https://reactjs.org/docs/state-and-lifecycle.html

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A curated list of AWS resources to prepare for the AWS Certifications

A curated list of awesome AWS resources you need to prepare for the all 5 AWS Certifications. This gist will include: open source repos, blogs & blogposts, ebooks, PDF, whitepapers, video courses, free lecture, slides, sample test and many other resources.

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