valueRef.clear();
    assertNotSame(value, map.get(key, loader));
    assertEquals(1, loader.getCount());
    assertEquals(1, segment.count);
  }

  @AndroidIncompatible // Perhaps emulator clock does not update between the two get() calls?
  public void testComputeExpiredEntry() throws ExecutionException {
    CacheBuilder<Object, Object> builder = createCacheBuilder().expireAfterWrite(1, NANOSECONDS);

## CRUD工具

现在让我们看看文件`sql_app/crud.py`。

在这个文件中，我们将编写可重用的函数用来与数据库中的数据进行交互。

**CRUD**分别为：增加（**C**reate）、查询（**R**ead）、更改（**U**pdate）、删除（**D**elete），即增删改查。

...虽然在这个例子中我们只是新增和查询。

### 读取数据

从 `sqlalchemy.orm`中导入`Session`，这将允许您声明`db`参数的类型，并在您的函数中进行更好的类型检查和完成。

导入之前的`models`（SQLAlchemy 模型）和`schemas`（Pydantic*模型*/模式）。

are defined for all architectures: if the compiler doesn't generate it, it might not be there.
If you need to use a missing instruction, there are two ways to proceed.
One is to update the assembler to support that instruction, which is straightforward
but only worthwhile if it's likely the instruction will be used again.
Instead, for simple one-off cases, it's possible to use the <code>BYTE</code>

ig","Dropdown","_popper","_menu","_getMenuElement","_inNavbar","_detectNavbar","disabled","isActive","_clearMenus","usePopper","showEvent","_getParentFromElement","Popper","referenceElement","_getPopperConfig","body","noop","hideEvent","destroy","update","scheduleUpdate","stopPropagation","_extends","constructor","_getPlacement","$parentDropdown","placement","_getOffset","offsets","modifiers","enabled","preventOverflow","boundariesElement","applyStyle","toggles","context","clickEvent","dropdownM...

    // let computation complete
    letGetFinishSignal.countDown();
    getFinishedSignal.await();
    checkNothingLogged();

    // asMap view should have been updated
    assertEquals(2, cache.size());
    assertEquals(getKey + suffix, map.get(getKey));
    assertEquals(refreshKey + suffix, map.get(refreshKey));
  }

ig","Dropdown","_popper","_menu","_getMenuElement","_inNavbar","_detectNavbar","disabled","isActive","_clearMenus","usePopper","showEvent","_getParentFromElement","Popper","referenceElement","_getPopperConfig","body","noop","hideEvent","destroy","update","scheduleUpdate","stopPropagation","constructor","_getPlacement","$parentDropdown","placement","_getOffset","offsets","modifiers","enabled","preventOverflow","boundariesElement","applyStyle","toggles","context","clickEvent","dropdownMenu","_data...

the cauldron of soup off the fire, and at once set to work
throwing everything within her reach at the Duchess and the baby
--the fire-irons came first; then followed a shower of saucepans,
plates, and dishes.  The Duchess took no notice of them even when
they hit her; and the baby was howling so much already, that it
was quite impossible to say whether the blows hurt it or not.

        app = FastAPI()
        router = APIRouter()

        @router.patch("/items/")
        def update_item(item: Item):
            return {"message": "Item updated in place"}

        app.include_router(router)
        ```
        """
        return self.api_route(
            path=path,
            response_model=response_model,

		metric.Histogram[k] = v
	}
	return metric
}

// Get - returns cached value always upton the configured TTL,
// once the TTL expires "read()" registered function is called
// to return the new values and updated.
func (g *MetricsGroupV2) Get() (metrics []MetricV2) {
	m, _ := g.metricsCache.Get()
	if len(m) == 0 {
		return []MetricV2{}
	}

	metrics = make([]MetricV2, 0, len(m))
	for i := range m {

  ASSERT_EQ(TF_OK, TF_GetCode(s)) << TF_Message(s);

  NodeDef node_def_neg;
  ASSERT_TRUE(GetNodeDef(neg, &node_def_neg));
  EXPECT_EQ(string("add"), node_def_neg.input(0));

  // update edge of neg
  TF_UpdateEdge(graph, TF_Output{one, 0}, TF_Input{neg, 0}, s);

  ASSERT_TRUE(GetNodeDef(neg, &node_def_neg));
  EXPECT_EQ(string("one:0"), node_def_neg.input(0));

  // Clean up