jet10000

var IMAGE_MIME_REGEX = /^image\/(p?jpeg|gif|png)$/i;

var loadImage = function (file) {
    var reader = new FileReader();
    reader.onload = function(e){
        var img = document.createElement('img');
        img.src = e.target.result;
        
        var range = window.getSelection().getRangeAt(0);
        range.deleteContents();

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# Backup
docker exec CONTAINER /usr/bin/mysqldump -u root --password=root DATABASE > backup.sql

# Restore
cat backup.sql | docker exec -i CONTAINER /usr/bin/mysql -u root --password=root DATABASE

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#!/bin/bash

compose_file_path=$1
project_name=$2
backup_path=$3

function backup_volume {
  volume_name=$1
  backup_destination=$2

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Linux:
google-chrome --disable-web-security


Windows:

1) Right click on desktop, add new shortcut
2) Add the target as "[PATH_TO_CHROME]\chrome.exe" --disable-web-security --disable-gpu --user-data-dir=~/chromeTemp
ex on Windows 10 :
"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe" --disable-web-security --disable-gpu --user-data-dir=~/chromeTemp

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-- original code: https://github.com/ericelliott/cuid

-- Add the "plv8" extension
create extension if not exists "plv8";

-- Add the "pgcrypto" extension
create extension if not exists "pgcrypto";
\dx

-- Connect a database

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import 'package:flutter/material.dart';
import 'package:get/get.dart';

void main() {
  runApp(GetMaterialApp(
    initialRoute: '/login',
    getPages: [
      GetPage(
        name: '/login',
        page: () => LoginPage(),

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<script>
	let s = 0;
	let m = 0;
	let active = false;
	let timer;
	
	function setActive(a) {
		active = a;
		if(!active) {
			clearInterval(timer)

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ffmpeg

Converting Audio into Different Formats / Sample Rates

Minimal example: transcode from MP3 to WMA:
ffmpeg -i input.mp3 output.wma

You can get the list of supported formats with:
ffmpeg -formats

You can get the list of installed codecs with:

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# admin
from django import admin
from django.db import models
from widget import TextareaWithCounter

class MyModelAdmin(admin.ModelAdmin):
    formfield_overrides = {
        models.TextField: {'widget': TextareaWithCounter},
    }
    class Media:

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# mount volume PWD on host to /app in container.
shai@lappy ~/tmp/example-working-docker-compose-environment-vars [master *] ± % cat docker-compose.yml
version: "3"
services:
  some_server:
...
    volumes:
      - $PWD:/app