Merten van Gerven mertenvg

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mertenvg / csrfchallengetwo.html

Created September 3, 2020 10:23

	<html>
	<body>
	<form action="" method="post">
	<input type="hidden" name="userId" value="88a173b75668cb40fcd67a148c6f8918504c974a" />
	</form>
	<script>document.forms[0].submit();</script>
	<h1>Thanks</h1>
	</body>
	</html>

mertenvg / amend_static_env.sh

Created January 30, 2019 13:07

Replace all {{VAR_NAME}} tokens with their corresponding environment variable values into an `env.json` file

	#!/usr/bin/env bash

	APP_ROOT="${0%/*}/.."
	APP_DIST="$APP_ROOT/build"

	mkdir -p "$APP_DIST"

	cp "$APP_ROOT/src/env.json.tpl" "$APP_DIST/env.json"

	# replace all {{VAR_NAME}} tokens with their corresponding environment variable value

mertenvg / humanTimeDiff.ts

Created January 29, 2019 15:55

Converts a time difference between a given time and the current time to a human friendly string (a.k.a timeago, moments)

	const frames = [
	{ name: "year", value: (d: number) => Math.floor(d / 29030400000) },
	{ name: "month", value: (d: number) => Math.floor(d / 2419200000) },
	{ name: "week", value: (d: number) => Math.floor(d / 604800000) },
	{ name: "day", value: (d: number) => Math.floor(d / 86400000) },
	{ name: "hour", value: (d: number) => Math.floor(d / 3600000) },
	{ name: "minute", value: (d: number) => Math.floor(d / 60000) },
	{ name: "second", value: (d: number) => Math.floor(d / 1000) },
	];
	function humanTimeDiff(date: Date, frame: number = 0) {

mertenvg / merge.ts

Created January 24, 2019 12:48

Typescript deep merge function

	function merge(a: any, b: any): any {
	return (a !== Object(a) \|\| b !== Object(b))
	? b
	: Object.keys(b).filter((k: string) => !a[k]).reduce(
	(o: { [i: string]: any }, k: string) => {
	o[k] = b[k];
	return o;
	},
	Object.keys(a).reduce(
	(o: { [i: string]: any }, k: string) => {

mertenvg / animation.ts

Created September 3, 2018 10:58

TypeScript requestAnimationFrame polyfill

	/*
	* Resolve requestAnimationFrame and cancelAnimationFrame regardless of whether window exists.
	*/

	/*
	* make window type index-able
	*/
	interface IndexableWindow {
	[key: string]: any
	}

mertenvg / merge-values.go

Created June 1, 2017 11:38

	// MergeValues merges multiple url.Values into a single url.Values result
	func MergeValues(vs ...url.Values) url.Values {
	result := url.Values{}
	for _, values := range vs {
	for k, v := range values {
	result[k] = v
	}
	}
	return result
	}

mertenvg / bash-snippets.sh

Last active November 11, 2016 10:43

Useful bash snippets

	#
	# Remove all but last subdirectories from all but last 2 directories in current directory
	#

	ls \| head -n -2 \| xargs -r ls \| head -n -1 \| xargs -r rm -rf

	find . -mindepth 1 -maxdepth 1 -type d \| \
	sort \| head -n -1 \| xargs -r -I {} find {} -mindepth 1 -maxdepth 1 -type d \| \
	sort \| head -n -1 \| xargs -r rm -rf

mertenvg / sorted-git-tag-list.sh

Created April 15, 2016 08:18

Show a list of git tags for a repository sorted by date

mertenvg / example.go

Created March 7, 2016 11:32

Another (simpler) example using a task list to handle errors

	package main

	import (
	"errors"
	"fmt"
	)

	// Task represents a callable task to be executed
	type Task func() error

mertenvg / example.go

Created March 6, 2016 18:37

Another example using a task list to handle errors

	package main

	import (
	"errors"
	"fmt"
	)

	// Task represents a callable task to be executed
	type Task func()

	#
	# Remove all but last subdirectories from all but last 2 directories in current directory
	#

	ls \| head -n -2 \| xargs -r ls \| head -n -1 \| xargs -r rm -rf

	find . -mindepth 1 -maxdepth 1 -type d \| \
	sort \| head -n -1 \| xargs -r -I {} find {} -mindepth 1 -maxdepth 1 -type d \| \
	sort \| head -n -1 \| xargs -r rm -rf