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SELECT      
            table_schema AS "information_schema",     
            SUM(data_length + index_length) / 1024 / 1024 AS "Size (MB)"    
   
FROM information_schema.tables GROUP BY table_schema;

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<?php
// Loose comparison
if (0 == false) {
    echo "0 equals false";
} else {
    echo "0 does not equal false";
}
// Output: "0 equals false"

// Type juggling

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<?php
enum WheelSize: int
{
    case size_20 = 20;
    case size_24 = 24;
    case size_28 = 28;

    private int $price;

    public function __construct(int $price)

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<?php

// Defining a family of algorithms

class LogToFile implements Logger
{

    public function log($data)
    {
        var_dump('Log the data to a file.');

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<?php


interface CarService
{
    public function getCost();

    public function getDescription();

}

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This command runs a Docker container named "portainer" based on the "portainer/portainer-ce:latest" Docker image.

docker run -d -p 66666:8000 -p 66667:9000 --name=portainer --restart=always -v /var/run/docker.sock:/var/run/docker.sock -v portainer_data:/data portainer/portainer-ce:latest

1. The "-d" flag

starts the container in the background. The "-p" flag binds two container ports (8000 and 9000) to two host ports (66666 and 66667) respectively, allowing access to the portainer web interface from outside the container.

2. The "--name" flag

sets the name of the container as "portainer". The "--restart" flag ensures that the container is always restarted automatically if it stops or if the Docker daemon is restarted.

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#!/bin/bash

# Find the path to PhpStorm
phpstorm_path=$(find / -name "phpstorm.sh" 2>/dev/null | head -n 1)

# Check if PhpStorm was found
if [[ -z "$phpstorm_path" ]]; then
  echo "PhpStorm not found"
  exit 1
fi

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Run Docker commands without sudo

1. Add the docker group if it doesn't already exist

$ sudo groupadd docker

2. Add the connected user $USER to the docker group

Optionally change the username to match your preferred user.

$ sudo gpasswd -a $USER docker

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<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class Article extends Model
{

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make sure you exit any running programs that are  using your microphone. sudo alsa force-reload
open pavucontrol or any volume control tool of yours
change the option "Headphones (unplugged)"
you might have to restart your computer