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Erick Wendel ErickWendel

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ErickWendel / mvpconf-2025-refs.txt
Last active October 25, 2025 11:14
Criando agentes de IA no navegador usando JavaScript
Slides: https://ewbr.cc/mvpconf-ew
- Intro
- a forma em que navegamos na web está mudando!
- AI preenchendo form (video nodesource)
- Problema
- custo em AI - tokens caros
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ErickWendel / references.md
Created September 30, 2025 19:00
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ErickWendel / index.js
Last active December 19, 2024 16:26
Nodejs threads creating threads - demonstrates that if the intermediary thread dies, the child thread can't access the main thread
const { Worker, isMainThread, parentPort, threadId } = require('worker_threads');
if (isMainThread) {
const worker = new Worker(__filename);
worker.on('message', (msg) => {
console.log(`${msg}`);
});
worker.postMessage('main >');
@ErickWendel
ErickWendel / cpu-profiling-and-snapshot-nodejs.js
Last active November 12, 2024 20:48
Examples of how to take the cpu profilling and snapshots on applications that need to be publicly accessible
import { Session } from 'inspector/promises';
import fs from 'fs';
import net from 'net';
let session;
const now = new Date();
const profileFile = `/src/${now.getTime()}.cpuprofile`;
function createTCPServer({
onStart,
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ErickWendel / ingress-service-app-.yaml
Created June 22, 2024 20:22
example of using Kubernetes with traefik and lets encrypt to generate SSL Certificates (without the need of adding any additional cluster issuer)
apiVersion: v1
kind: Service
metadata:
name: app
namespace: default
spec:
selector:
app: app
ports:
- protocol: TCP
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ErickWendel / arw-to-jpeg.bash
Created December 7, 2023 17:36
for i in *.ARW; do sips -s format jpeg $i --out "${i%.*}.jpg"; done
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ErickWendel / resize-gif-ffmpeg.sh
Created October 18, 2023 16:02
INPUT=demo.gif
OUTPUT=demo-1.gif
ffmpeg -hide_banner -v warning -i $INPUT -filter_complex "[0:v] scale=320:-1:flags=lanczos,split [a][b]; [a] palettegen=reserve_transparent=on:transparency_color=ffffff [p]; [b][p] paletteuse" $OUTPUT
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ErickWendel / uv_read_file.c
Created January 17, 2023 22:08 — forked from inlife/uv_read_file.c
Sample for reading a file asynchronously using libuv
// Sample for reading a file asynchronously using libuv
// taken from https://www.snip2code.com/Snippet/247423/Sample-for-reading-a-file-asynchronously
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <uv.h>
static uv_fs_t openReq;
static uv_fs_t readReq;
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ErickWendel / numbers-to-text-example.js
Created August 3, 2022 11:46
// I know it's not complete. It was a TDD test I made a few years ago
//index.js
const single = {
1: 'one',
2: 'two',
3: 'three',
4: 'four',
5: 'five',
6: 'six',
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ErickWendel / nodejs-streams-operators.mjs
Created July 8, 2022 15:01
// @erickwendel_
import { Readable } from 'node:stream'
import { pipeline } from 'node:stream/promises'
const take = (limit) => async function* (source) {
let count = 0;
for await (const item of source) {
if (count++ >= limit) break
yield item
}