Pedro Barbosa jpedro

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"True courage is knowing you’re wrong but refusing to admit it"

Developer and person. Here just to get rich and famous.

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jpedro / zram-earlyoom.yaml

Created October 22, 2025 02:08 — forked from fungiboletus/zram-earlyoom.yaml

	- name: Overprovision like the pros'
	hosts: all
	tasks:
	- name: Install early OOM killer and zram
	ansible.builtin.apt:
	pkg:
	- earlyoom
	- zram-tools
	- name: Configure early OOM killer
	ansible.builtin.lineinfile:

jpedro / demo.c

Created June 27, 2025 15:12 — forked from skeeto/demo.c

N3037 showcase

	// Requires GNU C23: GCC >= 15 or Clang >= 21
	#include <stddef.h>
	#include <string.h>

	#define affirm(c) while (!(c)) unreachable()
	#define lenof(a) (iz)(sizeof(a) / sizeof(*(a)))
	#define new(a, n, t) (t *)alloc(a, n, sizeof(t), _Alignof(t))
	#define maxof(t) ((t)-1<1 ? (((t)1<<(sizeof(t)8-2))-1)2+1 : (t)-1)
	#define S(s) (Str){(u8 *)s, lenof(s)-1}

jpedro / aws.sh

Last active June 12, 2025 00:27 — forked from slawekzachcial/aws-sigv4-ssm-get-parameter.sh

Using CURL to call AWS ReST API, signing request with v4 signature

	#!/bin/bash

	# Source: https://docs.aws.amazon.com/general/latest/gr/sigv4-signed-request-examples.html

	[[ -n "${AWS_ACCESS_KEY_ID}" ]] \|\| { echo "AWS_ACCESS_KEY_ID required" >&2; exit 1; }
	[[ -n "${AWS_SECRET_ACCESS_KEY}" ]] \|\| { echo "AWS_SECRET_ACCESS_KEY required" >&2; exit 1; }

	readonly parameterName="SlawekTestParam"

	readonly method="POST"

jpedro / tailwind.md

Last active January 24, 2025 18:10 — forked from devinschumacher/tailwind-layouts.md

Common Webpage Layouts With TailwindCSS Using CSS Grid & Flex box (w/ Code Examples)

Common Layouts

Creating common layouts With Tailwind using css grid & Flex box.

CSS Grid: for the main page layout (header, main content, sidebar, footer)

jpedro / gist:57f12efa738cf1176aa7125fe1ddefaa

Created August 14, 2024 04:11 — forked from kbaribeau/gist:4495181

The source code for the unix `ping` command, taken from here: http://ftp.arl.army.mil/~mike/ping.html


	# This is a shell archive. Remove anything before this line, then
	# unpack it by saving it in a file and typing "sh file". (Files
	# unpacked will be owned by you and have default permissions.)
	#
	# This archive contains:
	# Makefile ping.1 ping.c ping.shar newping.1 newping.c

	echo x - Makefile
	cat > "Makefile" << '//EOF Makefile//'

jpedro / status.sh

Last active March 30, 2024 12:59

Quick and dirty HTTP status check

	#!/usr/bin/env bash
	set -uo pipefail

	STATUS_CHUNKS="${STATUS_CHUNKS:-10}"

	URL="${1:-}"
	if [[ "$URL" == "" ]]
	then
	echo >&2 "Usage: $0 URL"
	exit 1

jpedro / HelloWorld.java

Created January 9, 2024 11:34 — forked from lolzballs/HelloWorld.java

Hello World Enterprise Edition

	import java.io.FileDescriptor;
	import java.io.FileOutputStream;
	import java.io.IOException;
	import java.io.OutputStream;
	import java.io.PrintStream;

	public class HelloWorld{
	private static HelloWorld instance;
	public static void main(String[] args){
	instantiateHelloWorldMainClassAndRun();

jpedro / tree.lua

Created December 13, 2023 11:44 — forked from rsc/tree.lua

tree comparison using lua coroutines

	#!/usr/local/bin/lua

	function T(l, v, r)
	return {left = l, value = v, right = r}
	end

	function visit(t)
	if t ~= nil then -- note: ~= is "not equal"
	visit(t.left)
	coroutine.yield(t.value)

jpedro / udpserv.go

Created August 12, 2023 01:02 — forked from miekg/udpserv.go

Simple udp server in Go

	package main

	import (
	"log"
	"net"
	)

	func main() {
	// listen to incoming udp packets
	pc, err := net.ListenPacket("udp", ":1053")

jpedro / ANSI.md

Created July 7, 2023 20:05 — forked from fnky/ANSI.md

ANSI Escape Codes

ANSI Escape Sequences

Standard escape codes are prefixed with Escape:

Ctrl-Key: ^[
Octal: \033
Unicode: \u001b
Hexadecimal: \x1B
Decimal: 27

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