mamapi’s gists

mamapi / useArrayState.js

Last active February 3, 2025 18:33

Use a custom hook to handle array state

	const useArrayState = (initialState = []) => {
	const [state, setState] = useState(initialState)

	const add = (newValue) => {
	setState((currentState) => [...currentState, newValue])
	}

	const remove = (index) => {
	setState((currentState) => {
	const newState = [...currentState]

mamapi / main.go

Created May 26, 2023 10:08 — forked from tomekbielaszewski/main.go

Example of RabbitMQ reconnect feature. Including recovering already registered consumers.

	package main

	import (
	"fmt"
	"log"
	"time"
	)

	func main() {
	queue := NewQueue("amqp://guest:guest@localhost:5672/", "hello")

mamapi / deploy.sh

Created February 11, 2023 22:11

Size all files in build_dir

	if [[ $OSTYPE == "darwin"* ]]; then
	full_size=$(find $build_dir ! -type d -print0 \| xargs -0 stat -f '%z' \| awk '{sum += $1} END{print sum}')
	else
	full_size=$(du -sb $build_dir \| awk '{print $1}')
	fi

mamapi / formatBytes.js

Created September 9, 2022 07:13 — forked from zentala/formatBytes.js

Convert size in bytes to human readable format (JavaScript)

	function formatBytes(bytes,decimals) {
	if(bytes == 0) return '0 Bytes';
	var k = 1024,
	dm = decimals \|\| 2,
	sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'],
	i = Math.floor(Math.log(bytes) / Math.log(k));
	return parseFloat((bytes / Math.pow(k, i)).toFixed(dm)) + ' ' + sizes[i];
	}

	// Usage:

mamapi / gist:a85ecd92909db5e9cee5f5eddd5b5c1b

Created June 7, 2022 17:52

Generate a cryptographically well-built artificial random data

 node -e "console.log(require('crypto').randomBytes(256).toString('base64'));"

mamapi / checkmark.js

Created November 5, 2021 17:14

Adds mark check symbol

	const chalk = require('chalk');

	/**
	* Adds mark check symbol
	*/
	function addCheckMark(callback) {
	process.stdout.write(chalk.green(' ✓'));
	if (callback) callback();
	}

mamapi / progress.js

Created November 5, 2021 17:13

Adds an animated progress indicator

	const readline = require('readline');

	/**
	* Adds an animated progress indicator
	*
	* @param {string} message The message to write next to the indicator
	* @param {number} amountOfDots The amount of dots you want to animate
	*/
	function animateProgress(message, amountOfDots) {
	let i = 0;

mamapi / logging.go

Created July 9, 2021 12:48 — forked from panta/logging.go

zerolog with file log rotation (lumberjack) and console output

	package logging

	import (
	"github.com/rs/zerolog"
	"github.com/rs/zerolog/log"
	"gopkg.in/natefinch/lumberjack.v2"
	"os"
	"path"
	"io"
	)

mamapi / util.go

Created July 6, 2021 22:04

Golang - Create directory if not exists

	package main

	import "os"

	func createDirIfNotExists(path string) error {
	if _, err := os.Stat(path); os.IsNotExist(err) {
	return os.Mkdir(path, os.ModeDir\|0755)
	}
	return nil
	}

mamapi / useFetchWithCache.js

Created March 9, 2021 12:30

React hook to fetch data with cache

	import React, { useRef, useReducer } from 'react'

	import { fetchJson } from 'apis'

	export function useFetchWithCache({
	url,
	options,
	}) {
	const cache = useRef({})

GregoryG mamapi