Jean Lescure jeanlescure

// Get all databases
var dbNames = db.adminCommand( { listDatabases: 1 } ).databases.map(function(dbObj) {
  return dbObj.name;
});

// Size functions
var reduceSize = function(values) {
  return Array.sum(values);
};

Fluid typograghy

body {
  font-size: calc([minimum size] + ([maximum size] - [minimum size]) * ((100vw - [minimum viewport width]) / ([maximum viewport width] - [minimum viewport width])));
}

Example

Chrome Headless on EC2

For puppeteer usage

How to setup an EC2 instance to run Chrome Headless for usage with Puppeteer

1. Spin up ubuntu EC2 instance and ssh into it

ssh [email protected]

1. Install ruby 2.6+:

Mac OSX

curl -L https://get.rvm.io | bash -s stable

source /Users/myuser/.rvm/scripts/rvm

rvm install ruby-2.6.5

Get CloudWatch logs from AWS

With easy to read format

CLI Package to fetch CloudWatch logs and format them with human readable datetimes

Setup

Download all files in this gist
Run $ yarn
Run $ chmod +x ./get-logs.sh

function renameObjectKeys(objArr, renameMap) {
  const keys = Object.keys(renameMap);

  for (let i = objArr.length - 1; i >= 0; i -= 1) {
    for (let j = keys.length - 1; j >= 0; j -= 1) {
      delete Object.assign(
        objArr[i],
        {[renameMap[keys[j]]]: objArr[i][keys[j]] }
 )[keys[j]];

	aws s3 mb s3://my-react-site-bucket
	aws s3api put-bucket-acl --bucket my-react-site-bucket --grant-read 'uri="http://acs.amazonaws.com/groups/global/AllUsers"'
	aws s3 website s3://my-react-site-bucket --index-document index.html --error-document index.html
	aws s3api put-bucket-policy --bucket my-react-site-bucket --policy file://bucket.policy.json

	version: 0.2

	phases:
	install:
	runtime-versions:
	nodejs: 10
	commands:
	- export SKIP="false"
	- if [[ "$(git log -1 HEAD --pretty=format:%s)" == \[test\] ]]; then echo "Installing yarn..." && npm install -g yarn; else export SKIP="true"; fi
	pre_build:

	// Given a string containing a list of dates in either format dd/mm/yyyy or mm/dd/yyyy
	// where there's one date per line within the string

	let a=`28/09/2019
	30/09/2019
	30/09/2019`;

	// Reverse the date's day and month values and return a string with same input format

	a = a.split("\n").map((d)=>d.split('/')).map((da)=>([da[1],da[0],da[2]]).join('/')).join("\n")