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export function listToFlatArray(treeStructure) {
    let flatten = (children, extractChildren, level, parent) => Array.prototype.concat.apply(
      children.map(x => ({ ...x, level: level || 1, parent: parent || null })), 
      children.map(x => flatten(extractChildren(x) || [], extractChildren, (level || 1) + 1, x.id))
    );

    let extractChildren = x => x.children;
  
    return flatten(extractChildren(treeStructure), extractChildren).map(x => delete x.children && x);
}

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<?php

namespace App\Providers;

use Storage;
use Aws\S3\S3Client;
use League\Flysystem\AwsS3v3\AwsS3Adapter;
use League\Flysystem\Filesystem;
use Illuminate\Support\ServiceProvider;

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storage: 
  dbPath: "D:\\server\\mongodb\\db"
systemLog: 
  destination: file
  path: "D:\\server\\mongodb\\logs\\mongod.log"

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server {
	listen       80;
	server_name  localhost;

	#charset koi8-r;

	#access_log  logs/host.access.log  main;

	location / {
		root   html;

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<div class="w-100 h-100">
            <googlemaps-map
                ref="app__map"
                class="w-100 h-100"
                :center.sync="center"
                :zoom.sync="zoom"
                :options="mapOptions"
                @idle="onIdle"
                @click="onMapClick">
                <googlemaps-user-position

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Share named routes between Laravel and Javascript

This is a 2-part technique to share named routes between Laravel and Javascript. It uses a custom artisan command to export your named routes to JSON, and a Javascript route() helper to lookup the route and fill in any parameters. Written for Laravel 5.3; not tested in 5.4.

Installation

1. Install RouteJson.php

Copy RouteJson.php into your app as app/Console/Commands/RouteJson.php

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@ECHO OFF
FOR /f "tokens=*" %%i IN ('docker ps -q') DO docker stop %%i
FOR /f "tokens=*" %%i IN ('docker ps -q') DO docker container rm -f %%i
FOR /f "tokens=*" %%i IN ('docker images --format "{{.ID}}"') DO docker rmi -f %%i

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-- Remove the history from 
rm -rf .git

-- recreate the repos from the current content only
git init
git add .
git commit -m "Initial commit"

-- push to the github remote repos ensuring you overwrite history
git remote add origin git@github.com:<YOUR ACCOUNT>/<YOUR REPOS>.git

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# Basics of Elliptic Curve Cryptography implementation on Python
import collections


def inv(n, q):
    """div on PN modulo a/b mod q as a * inv(b, q) mod q
    >>> assert n * inv(n, q) % q == 1
    """
    for i in range(q):
        if (n * i) % q == 1:

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Today I got the same problem, after trying many solutions 
i found that the problem was the command sudo systemctl disable mysql.service that i used to disable MySQL auto starting, 
so to get it working i re-enabled again MySQL server using the command sudo systemctl enable mysql.service 
and run again the upgrade process and it terminated perfectly.

https://askubuntu.com/questions/760724/16-04-upgrade-broke-mysql-server