krohne’s gists

krohne / excludesTime.js

Created November 17, 2017 17:48

Check if time range excludes a time

	// You could play around with allowed inputs

	import Moment from 'moment';
	import { extendMoment } from 'moment-range';

	const moment = extendMoment(Moment);

	function excludesTime(start, end, when) {
	let startTime = moment(start, 'HH:mm');
	const endTime = moment(end, 'HH:mm');

krohne / countdown.sh

Last active December 27, 2024 06:58

Countdown timer in bash shell script

	#!/bin/bash
	# $1 = # of seconds
	# $@ = What to print after "Waiting n seconds"
	countdown() {
	secs=$1
	shift
	msg=$@
	while [ $secs -gt 0 ]
	do
	printf "\r\033[KWaiting %.d seconds $msg" $((secs--))

krohne / x100.js

Last active February 26, 2018 13:57

Multiply by 100 by string manipulation, to avoid floating point problems. Mostly for handling currency.

	function x100(nStr) {
	function replacer(match, p1, p2) {
	return `${`${p1}${p2.padEnd(2, '0').substr(0,2)}`.padStart(1, '0')}.${p2.padEnd(2, '0').substr(2)}`;
	}
	return String(nStr) // just in case
	.replace(/(\d)\.?(\d)/, replacer);
	}

	const tests = [
	'0.00',

krohne / toDigits.js

Created March 14, 2018 22:32

Force string to numeric-only string that can be converted to integer by replacing non-digits with integer character code

	function toDigits (str = '') {
	// replace every (/g) non-digit (\D) with the character code (charCodeAt) for that non-digit.
	return str.replace(/\D/g, nondigit => nondigit.charCodeAt(0) );
	}

	console.log(toDigits('A1b2C3-4');

krohne / update_repos.sh

Last active May 21, 2018 13:02

Update collection of git repositories quickly in parallel

	#!/bin/bash
	# $1 - a folder containing multiple git repos; i.e. ~/work
	# The Mac way to get number of logical cores
	# You can run more parallel processes than the number of cores,
	# but at some point the process will slow to a crawl
	cores=$( sysctl -n hw.ncpu )
	# list all paths below $1 in single column, and pipe to xargs:
	# ls -d1 $1/*/ \|
	# Run a bash command on each path, using $cores number of processes:
	# xargs -I % -n 1 -P $cores bash --login -c

krohne / decode_jwt.js

Created May 21, 2018 15:42

Decode Base64 JWT from login request in Postman

	const jsonData = JSON.parse(responseBody);
	const payload = jsonData.id_token.split('.')[1]; // Assuming the JWT is in id_token
	const parsed = JSON.parse(atob(payload));
	pm.environment.set('user_id', parsed.user_id); // Assuming user_id is in the payload

krohne / update_repos_routematch.sh

Last active January 18, 2019 15:37

Update local Git repositories in parallel, 1 thread per core

	#!/bin/bash

	export GIT_ROOT=/Volumes/Routematch/Git

	doit() {
	cd $GIT_ROOT/$1
	# What branch is this repo on?
	# If master branch, checkout package.json and pull latest updates
	# If .nvmrc exists, use specified version, else use node version 4
	# Update dependencies

krohne / set_remote_logging.sh

Last active January 11, 2019 20:21

Turn logging level up or down on remote platform

	#!/bin/bash
	# Your bastion username should be in ~/.ssh/config
	# on\|off platform [container]
	# on preprod tripnotificationagent
	export setting=$1
	export platform=$2
	export container=$3
	if [ -z ${container} ]; then export container=$(grep '"name":\s"\w",' $PWD/package.json \| awk -F '"' '{ print $4 }'); fi
	export service="rmpay_${container}_1"
	case $setting in

krohne / restart_platform_container.sh

Last active January 11, 2019 20:21

Restart remote platform container, usually because a source file or logging level has been changed

	#!/bin/bash
	# Your bastion username should be in ~/.ssh/config
	# platform [container]
	# preprod tripnotificationagent
	export platform=$1
	export container=$2
	if [ -z ${container} ]; then export container=$(grep '"name":\s"\w",' $PWD/package.json \| awk -F '"' '{ print $4 }'); fi
	echo "Container: $container"
	if [ -z ${container} ];
	then

krohne / copy_to_platform.sh

Last active January 11, 2019 20:20

Copy source file to remote platform docker container. If running from the repository path, container is optional

	#!/bin/bash
	# Your bastion username should be in ~/.ssh/config
	# platform path [container]
	# preprod /routes/genesys/router.js tripnotificationagent
	export platform=$1
	export repo=$(basename "$PWD")
	export filename=$2
	export container=$3
	if [ -z ${container} ]; then export container=$(grep '"name":\s"\w",' $PWD/package.json \| awk -F '"' '{ print $4 }'); fi
	export service="rmpay_${container}_1"

Gregory Krohne krohne