print(b)
	print(a)
}

func main() {
	go f()
	g()
}
</pre>

<p>
it can happen that <code>g</code> prints <code>2</code> and then <code>0</code>.
</p>

<p>
This fact invalidates a few common idioms.
</p>

<p>
Double-checked locking is an attempt to avoid the overhead of synchronization.
For example, the <code>twoprint</code> program might be
incorrectly written as:
</p>

    additional terms, to the whole of the work, and all its parts,
    regardless of how they are packaged.  This License gives no
    permission to license the work in any other way, but it does not
    invalidate such permission if you have separately received it.

    d) If the work has interactive user interfaces, each must display
    Appropriate Legal Notices; however, if the Program has interactive

      // Currently only used by ImmutableListMultimap.Builder.orderValuesBy.
      // In particular, this implies that the comparator can never get "removed," so this can't
      // invalidate future builds.

      copyOnWrite = true;
      Arrays.sort((E[]) contents, 0, size, comparator);
      return asImmutableList(contents, size);
    }
  }

* AWS kube-up: tolerate a lack of ephemeral volumes ([#23776](https://github.com/kubernetes/kubernetes/pull/23776), [@justinsb](https://github.com/justinsb))
* Fix so setup-files don't recreate/invalidate certificates that already exist ([#23550](https://github.com/kubernetes/kubernetes/pull/23550), [@luxas](https://github.com/luxas))



# v1.2.1

typedef struct TF_OperationDescription TF_OperationDescription;

// Operation that has been added to the graph. Valid until the graph is
// deleted -- in particular adding a new operation to the graph does not
// invalidate old TF_Operation* pointers.
typedef struct TF_Operation TF_Operation;

// Represents a specific input of an operation.
typedef struct TF_Input {
  TF_Operation* oper;

* Kubelet: Start using the official docker engine-api ([#23506](https://github.com/kubernetes/kubernetes/pull/23506), [@Random-Liu](https://github.com/Random-Liu))
* Fix so setup-files don't recreate/invalidate certificates that already exist ([#23550](https://github.com/kubernetes/kubernetes/pull/23550), [@luxas](https://github.com/luxas))

    val requestB = server.takeRequest()
    assertThat(requestB.exchangeIndex).isEqualTo(1)
  }

  /**
   * The RFC is unclear in this regard as it only specifies that this should invalidate the cache
   * entry (if any).
   */
  @Test
  fun bodyPermittedOnDelete() {
    server.enqueue(MockResponse())
    val response =
      getResponse(
        Request
          .Builder()

      localCache.put(key, value);
    }

    @Override
    public void putAll(Map<? extends K, ? extends V> m) {
      localCache.putAll(m);
    }

    @Override
    public void invalidate(Object key) {
      checkNotNull(key);
      localCache.remove(key);
    }

    @Override
    public void invalidateAll(Iterable<?> keys) {
      localCache.invalidateAll(keys);
    }

	})
	if err != nil {
		c.Fatalf("Err creating user admin client: %v", err)
	}
	userAdmClient.SetCustomTransport(s.TestSuiteCommon.client.Transport)

	time.Sleep(2 * time.Second) // wait for listbuckets cache to be invalidated

	accInfo, err := userAdmClient.AccountInfo(ctx, madmin.AccountOpts{})
	if err != nil {
		c.Fatalf("root user STS should be able to get account info: %v", err)
	}

	gotBuckets := set.NewStringSet()

      localCache.put(key, value);
    }

    @Override
    public void putAll(Map<? extends K, ? extends V> m) {
      localCache.putAll(m);
    }

    @Override
    public void invalidate(Object key) {
      checkNotNull(key);
      localCache.remove(key);
    }

    @Override
    public void invalidateAll(Iterable<?> keys) {
      localCache.invalidateAll(keys);
    }