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from click import echo

@app.cli.command('init_db')
def initialize_database():
    """Initialize the SQLite database."""
    database.drop_all()
    database.create_all()
    click.echo('Initialized the SQLite database!')

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computed:{
                filtro(){
                    return [
                        ... this.filtros.disponibles ? ['DISPONIBLE'] : [],
                        ... this.filtros.emitidas ? ['EMITIDA'] : [],
                        ... this.filtros.anuladas ? ['ANULADA'] : [],
                        ... this.filtros.contado ? ['CONTADO'] : [],
                        ... this.filtros.credito ? ['CREDITO'] : [],
                    ]
                },

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def singleton(cls):
    """
    Convert to singleton
    """
    instance = [None]

    def wrapper(*arg, **kwargs):
        if instance[0] is None:
            instance[0] = cls(*arg, **kwargs)
        return instance[0]

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version: "3.8"

service:
  database:
    image: mysql:latest
    restart: always
    networks:
      - default
    environment:
      - MYSQL_ROOT_PASSWORD=root

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class Database:
    def __init__(self, **kwargs):
        self.username = kwargs.get('username')
        self.password = kwargs.get('password')
        self.database = kwargs.get('database')
        self.host = kwargs.get('host')
        self.port = kwargs.get('port')
        self.driver = kwargs.get('driver')
        self.uri = f"{self.driver}://{self.username}:{self.password}@{self.host}:{self.port}/{self.database}?charset=utf-8"

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                        /* actualizar los cambios */
                        ((ProductosAdapter) lv_productos.getAdapter()).notifyDataSetChanged();
                        ((ProductosAdapter) lv_productos.getAdapter()).notifyDataSetInvalidated();

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date_default_timezone_set('America/Asuncion');

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class RegisterProtocol:

    @staticmethod
    def register(protocol_key, command):
        location = winreg.HKEY_CLASSES_ROOT
        key = winreg.CreateKey(location, protocol_key)
        winreg.SetValue(key, "URL Protocol", winreg.REG_SZ, "")
        key = winreg.CreateKey(location, protocol_key + "\\shell\\open\\command")
        winreg.SetValue(key, None, winreg.REG_SZ, command + " %1")

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import hashlib

from sqlalchemy import create_engine, MetaData, text
from sqlalchemy.exc import DatabaseError
from sqlalchemy.orm import sessionmaker, declarative_base


class Database:
    def __init__(self, **kwargs):
        self.username = kwargs.get('username', 'root')

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 @NonNull
    @Override
    public Filter getFilter() {
        return new Filter() {
            @Override
            protected FilterResults performFiltering(CharSequence charSequence) {
                String filterString = charSequence.toString().toUpperCase();
                FilterResults filterResults = new FilterResults();

                if (filterString == null || filterString.length() == 0) {