// this will run at most twice. The first time, the firstRun flag is turned off, and if the retry flag
            // is set on the first run, it will be turned off and not re-set on the second try. This is because the
            // only way the retry flag can be set is if ( firstRun == true ).
            while (firstRun || retry) {
                ChecksumObserver md5ChecksumObserver = null;

            bufferManager.releaseSendRegion(sendRegion);
        }
    }
    
    private void waitForSendCredit() throws IOException {
        long deadline = System.currentTimeMillis() + 5000;  // 5 second timeout
        
        while (!rdmaConnection.canSend() && System.currentTimeMillis() < deadline) {
            try {
                Thread.sleep(10);
            } catch (InterruptedException e) {

- Kubectl/drain: add skip-wait-for-delete-timeout option. If a pod’s  `DeletionTimestamp` is older than N seconds, skip waiting for the pod.  Seconds must be greater than 0 to skip. ([#85577](https://github.com/kubernetes/kubernetes/pull/85577), [@michaelgugino](https://github.com/michaelgugino)) [SIG CLI]

            assertEquals(100L, SMBUtil.readInt8(buffer, 0));
            assertEquals(200L, SMBUtil.readInt8(buffer, 8));
            assertEquals(1, SMBUtil.readInt4(buffer, 16));

            // Verify second lock
            assertEquals(300L, SMBUtil.readInt8(buffer, 24));
            assertEquals(400L, SMBUtil.readInt8(buffer, 32));
            assertEquals(2, SMBUtil.readInt4(buffer, 40));

            when(mockEntry.getName()).thenReturn(null, "", " ");

            // Act & Assert
            assertNull(mockEntry.getName(), "first call returns null");
            assertEquals("", mockEntry.getName(), "second call returns empty");
            assertEquals(" ", mockEntry.getName(), "third call returns space");

            verify(mockEntry, times(3)).getName();
        }
    }

        projectStates.values.forEach { projectState ->
            cleanUp(projectState.tmpExtractedResourcesDirs())
        }

        // Second run: collect and archive leftover files
        projectStates.forEach { (projectPath: String, projectState: TestFilesCleanupProjectState) ->
            val tmpTestFiles = projectState.tmpTestFiles()

        when(dest.openUnshared(anyInt(), anyInt(), anyInt(), anyInt(), anyInt())).thenThrow(authEx) // first attempt fails with auth
                .thenReturn(handle); // second attempt succeeds

        // dest currently has READONLY attribute set
        int currentAttrs = SmbConstants.ATTR_READONLY | SmbConstants.ATTR_ARCHIVE;
        when(dest.getAttributes()).thenReturn(currentAttrs);

            UpgradeContext context = createMockContext();
            Map<Path, Document> pomMap = Map.of(Paths.get("pom.xml"), mock(Document.class));

            // Mock first strategy to fail, second to succeed
            when(mockStrategies.get(0).isApplicable(context)).thenReturn(true);
            when(mockStrategies.get(0).apply(Mockito.eq(context), Mockito.any()))
                    .thenReturn(

For example you could have a file `main.py` with:

```Python hl_lines="3"
import os

name = os.getenv("MY_NAME", "World")
print(f"Hello {name} from Python")
```

/// tip

The second argument to [`os.getenv()`](https://docs.python.org/3.8/library/os.html#os.getenv) is the default value to return.

If not provided, it's `None` by default, here we provide `"World"` as the default value to use.

///

- Kubelet TCP and HTTP probes are now more effective using networking resources:
  conntrack entries, sockets. This is achieved by reducing the `TIME-WAIT` state
  of the connection to 1 second, instead of the defaults 60 seconds. This allows
  kubelet to free the socket, and free conntrack entry and ephemeral port associated. ([#115143](https://github.com/kubernetes/kubernetes/pull/115143), [@aojea](https://github.com/aojea))