}

	// Append
	DB.Model(&users).Association("Company").Append(
		&Company{Name: "company-slice-append-1"},
		&Company{Name: "company-slice-append-2"},
		&Company{Name: "company-slice-append-3"},
	)

	AssertAssociationCount(t, users, "Company", 3, "After Append")

	DB.Model(&users).Association("Manager").Append(
		GetUser("manager-slice-belongs-to-1", Config{}),

		t.Fatalf("An error from before update callbacks happened when update with invalid value")
	}

	if DB.Where("code = ?", "update_callback").First(&Product{}).Error != nil {
		t.Fatalf("Record Should not be updated due to errors happened in before update callback")
	}

	if DB.Where("code = ?", "dont_update").First(&Product{}).Error == nil {
		t.Fatalf("Record Should not be updated due to errors happened in before update callback")
	}

by mice and rabbits.  I almost wish I hadn't gone down that
rabbit-hole--and yet--and yet--it's rather curious, you know,
this sort of life!  I do wonder what CAN have happened to me!
When I used to read fairy-tales, I fancied that kind of thing
never happened, and now here I am in the middle of one!  There
ought to be a book written about me, that there ought!  And when
I grow up, I'll write one--but I'm grown up now,' she added in a

    assertEquals(expected, joiner.join(parts.iterator()));

    StringBuilder sb1FromIterable = new StringBuilder().append('x');
    joiner.appendTo(sb1FromIterable, parts);
    assertEquals("x" + expected, sb1FromIterable.toString());

    StringBuilder sb1FromIterator = new StringBuilder().append('x');
    joiner.appendTo(sb1FromIterator, parts.iterator());
    assertEquals("x" + expected, sb1FromIterator.toString());

# Aprender

Nesta parte da documentação encontramos as seções introdutórias e os tutoriais para aprendermos como usar o **FastAPI**.

		t.Fatalf("errors happened when create: %v", err)
	}

	user.Languages = []Language{{Code: "zh-CN", Name: "Chinese"}, {Code: "en", Name: "English"}}
	for _, lang := range user.Languages {
		DB.Create(&lang)
	}
	user.Friends = []*User{{Name: "friend-1"}, {Name: "friend-2"}}

	if err := DB.Save(&user).Error; err != nil {
		t.Fatalf("errors happened when update: %v", err)
	}

	var user2 User

# Aprende

Aquí están las secciones introductorias y los tutoriales para aprender **FastAPI**.

			pet.Toy = Toy{Name: user.Name + "_toy_nested_preload_" + strconv.Itoa(idx+1)}
		}
	}

	if err := DB.Create(&users).Error; err != nil {
		t.Fatalf("errors happened when create: %v", err)
	}

	var userIDs []uint
	for _, user := range users {
		userIDs = append(userIDs, user.ID)
	}

	var users2 []User
	DB.Preload("Pets.Toy").Find(&users2, "id IN ?", userIDs)

	for idx, user := range users2 {

			t.Errorf("errors happened when query before user: %v", err)
		}
		CheckUser(t, first, *users[0])

		if err := DB.Where("id = ?", users[2].ID).First(&last).Error; err != nil {
			t.Errorf("errors happened when query after user: %v", err)
		}
		CheckUser(t, last, *users[2])
	}

	if err := DB.Create(&users).Error; err != nil {
		t.Fatalf("errors happened when create: %v", err)
	} else if user.ID == 0 {

 isAnimated: this._isAnimated()\n    })\n  }\n\n  _initializeFocusTrap() {\n    return new FocusTrap({\n      trapElement: this._element\n    })\n  }\n\n  _showElement(relatedTarget) {\n    // try to append dynamic modal\n    if (!document.body.contains(this._element)) {\n      document.body.append(this._element)\n    }\n\n    this._element.style.display = 'block'\n    this._element.removeAttribute('aria-hidden')\n    this._element.setAttribute('aria-modal', true)\n    this._element.setAttribute('role',...