felipecsl’s gists

felipecsl / yarn-lockfile-diff.ts

Created September 30, 2024 20:53

Given `before-yarn.lock` and `after-yarn.lock`, prints the dependencies changed in a human readable list

	const fs = require('fs');
	const yarnLockfile = require('@yarnpkg/lockfile');

	function parseLockfile(filePath) {
	const file = fs.readFileSync(filePath, 'utf8');
	return yarnLockfile.parse(file).object;
	}

	function getVersionDifferences(beforeLockfile, afterLockfile) {
	const diffs: Record<string, { before: string, after: string }> = {};

felipecsl / heic_to_jpeg.sh

Created September 11, 2024 16:51

Convert all images from heic format to jpeg

for file in *.HEIC; do sips -s format jpeg "$file" --out "${file%.*}.jpg"; done

felipecsl / decryptRailsCookie.ts

Created January 25, 2024 13:03

Typescript/Node function to decrypt Rails 7.1 encrypted session cookies

	import crypto from 'crypto';
	import { promisify } from "node:util";

	const pbkdf2 = promisify(crypto.pbkdf2);

	// Works with Rails 7.1.3
	// secretKeyBase is Rails.application.secret_key_base
	async function decryptCookie(encryptedCookie: string, cookieName: string, secretKeyBase: string) {
	const cookie = decodeURIComponent(encryptedCookie);
	const [data, iv, authTag] = cookie.split("--").map(v => Buffer.from(v, 'base64'));

felipecsl / useLazyEffect.ts

Created September 8, 2022 14:49

Debounced React useEffect with a wait time in milliseconds

felipecsl / install-redistimeseries.sh

Last active January 11, 2022 06:35

Install Redis time series on Amazon Linux

	#!/bin/bash
	wget http://downloads.sourceforge.net/ltp/lcov-1.14-1.noarch.rpm
	sudo yum localinstall lcov-1.14-1.noarch.rpm
	git clone --recursive https://github.com/RedisTimeSeries/RedisTimeSeries.git
	cd RedisTimeSeries
	sudo make setup

felipecsl / install-redis.sh

Created September 17, 2020 20:25 — forked from jpickwell/install-redis.sh

Installing Redis 6.0.0 on Amazon Linux

felipecsl / FakeResourceHttpURLConnection.kt

Last active July 11, 2020 16:51

Kotlin snippets for return a canned response from a resource file whenever a URL is request is fired

	// Based on https://stackoverflow.com/questions/565535/mocking-a-url-in-java

	package com.example

	import java.io.InputStream
	import java.net.HttpURLConnection
	import java.net.URL

	class FakeResourceHttpURLConnection(
	url: URL,

felipecsl / retryIfThrown.kt

Last active April 27, 2023 00:02

Kotlin utility to retry a provided block a limited number of times

	/**
	* Retries the provided [block] up to [times] times if the block throws an exception of the type
	* [exceptionType]. If any other exception type is thrown, the exception is caught and then
	* immediately rethrown.
	*/
	fun retryIfThrown(times: Int, exceptionType: KClass<out Throwable>, block: () -> Unit) {
	for (i in 0 until times) {
	try {
	block()
	break

felipecsl / setup.sh

Last active August 25, 2022 23:06

Base EC2 instance setup for Amazon Linux box

	# Install all the packages
	sudo yum install -y \
	curl gpg gcc gcc-c++ make git \
	openssl-devel readline-devel libcurl-devel \
	zlib-devel postgresql-server.x86_64 ruby-devel \
	sqlite sqlite-devel ruby-rdoc python-devel \
	cairo-devel libffi-devel python-pip nc docker \
	tmux htop postgresql-libs postgresql-devel \
	amazon-cloudwatch-agent

felipecsl / install-ffmpeg-amazon-linux.sh

Last active October 9, 2024 20:05

	sudo yum install autoconf automake bzip2 bzip2-devel cmake freetype-devel gcc gcc-c++ git libtool make mercurial pkgconfig zlib-devel -y
	mkdir ~/ffmpeg_sources

	# nasm
	cd ~/ffmpeg_sources
	curl -O -L https://www.nasm.us/pub/nasm/releasebuilds/2.14.02/nasm-2.14.02.tar.bz2
	tar xjvf nasm-2.14.02.tar.bz2
	cd nasm-2.14.02
	./autogen.sh
	./configure --prefix="$HOME/ffmpeg_build" --bindir="$HOME/bin"

Felipe Lima felipecsl