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One pomodoro after another

Francesco Casula fracasula

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One pomodoro after another
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@fracasula
fracasula / hs_err_pid1.log
Created June 13, 2023 17:15
Pulsar broker hs_err_pid1.log file
#
# A fatal error has been detected by the Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0x00007fbddfd00632, pid=1, tid=203
#
# JRE version: OpenJDK Runtime Environment (17.0.5+8) (build 17.0.5+8-Ubuntu-2ubuntu120.04)
# Java VM: OpenJDK 64-Bit Server VM (17.0.5+8-Ubuntu-2ubuntu120.04, mixed mode, sharing, tiered, compressed oops, compressed class ptrs, g1 gc, linux-amd64)
# Problematic frame:
# V [libjvm.so+0xae2632]
#
@fracasula
fracasula / mongouuid.go
Created February 15, 2022 13:02
Golang MongoDB UUID
package mongouuid
import (
"fmt"
"github.com/google/uuid"
"go.mongodb.org/mongo-driver/bson/bsontype"
"go.mongodb.org/mongo-driver/x/bsonx/bsoncore"
)
@fracasula
fracasula / .vimrc
Last active April 4, 2020 08:10
My .vimrc configuration
set nocompatible " don't try to be compatible with vi
syntax enable
set number " show line numbers
set noerrorbells " no sound on error
set visualbell
set encoding=utf-8
set wrap
set expandtab " spaces instead of tabs
set tabstop=4 " 1 tab = 4 spaces
set history=1000
@fracasula
fracasula / encrypt_decrypt.go
Last active March 16, 2024 22:01
A simple example with Golang that uses AES-128 to encrypt and decrypt messages.
package mycrypto
import (
"crypto/aes"
"crypto/cipher"
"crypto/rand"
"encoding/base64"
"io"
"time"
)
const flattenArray = input => {
if (!Array.isArray(input)) {
throw new Error("Input must be an array")
}
let result = []
for (let element of input) {
if (Array.isArray(element)) {
result = result.concat(flattenArray(element))
} else {
@fracasula
fracasula / cond.go
Created August 3, 2018 14:11
GoLang: How to use sync.Cond
package main
import (
"sync"
"fmt"
"time"
)
func main() {
lock := sync.Mutex{}
@fracasula
fracasula / context_cancel.go
Last active May 19, 2022 20:49
GoLang exiting from multiple go routines with context and wait group
package main
// Here's a simple example to show how to properly terminate multiple go routines by using a context.
// Thanks to the WaitGroup we'll be able to end all go routines gracefully before the main function ends.
import (
"context"
"fmt"
"math/rand"
"os"
@fracasula
fracasula / keymap.cson
Created March 8, 2018 16:11
My Atom keymap file
'atom-text-editor':
'ctrl-d': 'editor:delete-line'
'ctrl-y': 'editor:duplicate-lines'
'ctrl-w': 'core:close'
@fracasula
fracasula / setup.sh
Last active May 14, 2021 16:28
How to install Bluejeans on Ubuntu
sudo apt install alien -y
sudo alien --scripts bluejeans_1.28.9-2_amd64.rpm # or whatever is the file you downloaded from the bluejeans website
sudo dpkg -i bluejeans_1.28.9-2_amd64.deb
cd /lib/x86_64-linux-gnu
sudo ln -s libudev.so libudev.so.0
# now you can launch bluejeans
/opt/bluejeans/bluejeans-bin
@fracasula
fracasula / proxy.js
Last active November 28, 2019 16:12
Node.js basic example for proxy to http server
/**
* Once this is running open your browser and hit http://localhost
* You'll see that the request hits the proxy and you get the HTML back
*/
'use strict';
const net = require('net');
const http = require('http');