shoemoney

Understanding systemd Boot Execution Graph

https://serverfault.com/questions/617398/is-there-a-way-to-see-the-execution-tree-of-systemd

On NixOS:

> systemctl get-default
multi-user.target

shoemoney

HTTP Streaming (or Chunked vs Store & Forward)

The standard way of understanding the HTTP protocol is via the request reply pattern. Each HTTP transaction consists of a finitely bounded HTTP request and a finitely bounded HTTP response.

However it's also possible for both parts of an HTTP 1.1 transaction to stream their possibly infinitely bounded data. The advantages is that the sender can send data that is beyond the sender's memory limit, and the receiver can act on

shoemoney

#!/usr/bin/env bash

set -o pipefail

slow_compute_hash() {
  find "$1" -type f -exec md5sum {} \; | sort -k 2 | md5sum
}
fast_compute_hash() {
  find "$1" -type f -print0 | sort -z | xargs -0 md5sum | md5sum
}

shoemoney

Laravel Log Formatter for Lnav

---

Installation

lnav -i https://gist.github.com/80d1d179c5706f85b281a5558217a5fe.git
# or
lnav -i [email protected]:80d1d179c5706f85b281a5558217a5fe.git

Usage

shoemoney

<div x-data="{ openTab: 1 }" class="flex flex-col-reverse">
    <div class="hidden mt-6 w-full max-w-2xl mx-auto sm:block lg:max-w-none">
        <div class="grid grid-cols-4 gap-6" aria-orientation="horizontal" role="tablist">
            @foreach ($product->productImages as $productImage)
                <button x-on:click="{ openTab = {{ $loop->iteration }} }" id="tabs-1-tab-{{ $loop->iteration }}"
                    class="relative h-24 bg-white rounded-md flex items-center justify-center text-sm font-medium uppercase text-gray-900 cursor-pointer hover:bg-gray-50 focus:outline-none focus:ring focus:ring-offset-4 focus:ring-opacity-50"
                    aria-controls="tabs-1-panel-{{ $loop->iteration }}"
                    :tabindex="openTab === {{ $loop->iteration }} ? 0 : -1"
                    :aria-selected="openTab === {{ $loop->iteration }} ? 'true' : 'false'"
                    role="tab"

shoemoney

YouTube video stream format codes

Comprehensive list of YouTube format code itags

itag Code	Container	Content	Resolution	Bitrate	Range	VR / 3D
5	flv	audio/video	240p	-	-	-
6	flv	audio/video	270p	-	-	-
17	3gp	audio/video	144p	-	-	-
18	mp4	audio/video	360p	-	-	-
22	mp4	audio/video	720p	-	-	-

shoemoney

// function
function getYoutubeUrlId (url) {
    const urlObject = new URL(url);
    let urlOrigin = urlObject.origin;
    let urlPath = urlObject.pathname;

    // Örneğin url https://youtu.be/V-uynt7UXXI ise
    if (urlOrigin.search('youtu.be') > -1) {
        // substr yapma sebebimiz, youtube kısaltma linklerinde id path'de olur ve pathname başında "/" olur.
        // Örneğin "/V-uynt7UXXI" ise "V-uynt7UXXI" return eder.

shoemoney

<?php

namespace App\Events;

use Illuminate\Contracts\Broadcasting\ShouldBroadcast;
use Illuminate\Queue\SerializesModels;

class NewMessage extends Event implements ShouldBroadcast
{
    

shoemoney

#!/bin/bash
### MySQL Server Login Info ###
MUSER="root"
MPASS="root_password"
MHOST="localhost"
MYSQL="$(which mysql)"
MYSQLDUMP="$(which mysqldump)"
BAK="/path/to/export"

# USE THIS CODE TO BACKUP ONLY ONE SPECIFIC DB

shoemoney

If you're coming to this page in search of jq related AWS commands, but come from xpath or e4x (jsonpath) domains, then you may find this article helpful: https://github.com/stedolan/jq/wiki/For-JSONPath-users.

Another good learning site: https://shapeshed.com/jq-json/

The jq playground (live testing): https://jqplay.org

A lovely tutorial: https://programminghistorian.org/lessons/json-and-jq

Using aws-cli and jq