```Python
with open("./somefile.txt") as f:
    contents = f.read()
    print(contents)
```

Internamente, `open("./somefile.txt")` crea un objeto llamado "Context Manager".

Cuando el bloque `with` termina, se asegura de cerrar el archivo, incluso si hubo excepciones.

			Description: config.DefaultComment,
			Optional:    true,
			Type:        "sentence",
		},
		config.HelpKV{
			Key:         target.PostgresMaxOpenConnections,
			Description: "To set the maximum number of open connections to the database. The value is set to `2` by default.",
			Optional:    true,
			Type:        "number",
		},
	}

	HelpMySQL = config.HelpKVS{
		config.HelpKV{

A FastAPI Cloud é a principal patrocinadora e financiadora dos projetos open source do ecossistema *FastAPI and friends*. ✨

#### Faça o deploy em outros provedores de nuvem { #deploy-to-other-cloud-providers }

FastAPI é open source e baseado em padrões. Você pode fazer deploy de aplicações FastAPI em qualquer provedor de nuvem que preferir.

FastAPI Cloud es el sponsor principal y proveedor de financiación para los proyectos open source de *FastAPI and friends*. ✨

#### Despliega en otros proveedores cloud { #deploy-to-other-cloud-providers }

FastAPI es open source y basado en estándares. Puedes desplegar apps de FastAPI en cualquier proveedor cloud que elijas.

			{6, "\x00G\x00o\x00G"},
			{8, "\x00G\x00o\x00G\x00o"},
			{4, "end\n"},
		},
	}}

	for _, v := range vectors {
		t.Run(path.Base(v.file), func(t *testing.T) {
			f, err := os.Open(v.file)
			if err != nil {
				t.Fatalf("Open() error: %v", err)
			}
			defer f.Close()

			tr := NewReader(f)
			for i, tc := range v.cases {
				hdr, err := tr.Next()
				if err != nil || hdr == nil {

	}
	return
}

func TestInvalidCachedPlanSimpleProtocol(t *testing.T) {
	if DB.Dialector.Name() != "postgres" {
		return
	}

	db, err := gorm.Open(postgres.Open(postgresDSN), &gorm.Config{})
	if err != nil {
		t.Errorf("Open err:%v", err)
	}

	type Object1 struct{}
	type Object2 struct {
		Field1 string
	}
	type Object3 struct {
		Field2 string
	}

* It returns an object of type `HTTPBasicCredentials`:
    * It contains the `username` and `password` sent.

{* ../../docs_src/security/tutorial006_an_py39.py hl[4,8,12] *}

When you try to open the URL for the first time (or click the "Execute" button in the docs) the browser will ask you for your username and password:

<img src="/img/tutorial/security/image12.png">

## Check the username { #check-the-username }

import jcifs.internal.smb1.ServerMessageBlock;
import jcifs.internal.util.SMBUtil;

/**
 * SMB1 Write AndX request message.
 *
 * This command is used to write data to a file that has been
 * previously opened with an Open command.
 */
public class SmbComWriteAndX extends AndXServerMessageBlock {

    private int fid, remaining, dataLength, dataOffset, off;
    private byte[] b;
    private long offset;
    private int pad;

 * are "allowed". If all of the desired access bits are not "allowed"
 * the then same process is repeated for inherited ACEs.
 * <p>
 * For example, if user <code>WNET\alice</code> tries to open a file
 * with desired access bits <code>0x00000003</code> (<code>FILE_READ_DATA |
 * FILE_WRITE_DATA</code>) and the target file has the following security
 * descriptor ACEs:
 *
 * <pre>

/*
 * Copyright (C) 2012 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,