- Fixed missing flags in `-controller-manager --help`. ([#71298](https://github.com/kubernetes/kubernetes/pull/71298), [@stewart-yu](https://github.com/stewart-yu))
- Fixed missing flags in `kube-apiserver --help`. ([#70204](https://github.com/kubernetes/kubernetes/pull/70204), [@imjching](https://github.com/imjching))

- The helping message of commands which have sub-commands is now clearer and more instructive. It will show the full command instead of `kubectl <command> --help ...`
  

例如：

* <a href="https://code.visualstudio.com/docs/python/environments#_select-and-activate-an-environment" class="external-link" target="_blank">VS Code</a>
* <a href="https://www.jetbrains.com/help/pycharm/creating-virtual-environment.html" class="external-link" target="_blank">PyCharm</a>

/// tip

通常你只需要在建立虛擬環境時執行此操作**一次**。

///

## 退出虛擬環境

當你完成工作後，你可以**退出**虛擬環境。

		return BackendDown{Err: err.Error()}
	}

	minioErr, ok := err.(minio.ErrorResponse)
	if !ok {
		// We don't interpret non MinIO errors. As minio errors will
		// have StatusCode to help to convert to object errors.
		return err
	}

	switch minioErr.Code {
	case "SlowDownWrite":
		err = InsufficientWriteQuorum{Bucket: bucket, Object: object}
	case "SlowDownRead":

- Fixed parse devicePath issue on Azure Disk  ([#74499](https://github.com/kubernetes/kubernetes/pull/74499), [@andyzhangx](https://github.com/andyzhangx))

### CLI

- Fixed `--help` flag parsing  ([#74682](https://github.com/kubernetes/kubernetes/pull/74682), [@soltysh](https://github.com/soltysh))

- Kube-apiserver --help flag help is now printed in sections. ([#64517](https://github.com/kubernetes/kubernetes/pull/64517), [@sttts](https://github.com/sttts))

      checkElementIndex(index, size()); // for GWT
      return string.charAt(index);
    }

    @Override
    public int size() {
      return string.length();
    }

    // redeclare to help optimizers with b/310253115
    @SuppressWarnings("RedundantOverride")
    @Override
    @J2ktIncompatible
    @GwtIncompatible
        Object writeReplace() {
      return super.writeReplace();
    }
  }

            CIFSContext result = baseContext.withCredentials(auth);

            // Add a unique identifier to help with debugging
            log.debug("Created fresh context for test isolation: {}", System.currentTimeMillis());
            return result;
        } catch (Exception e) {

        if (p == guard) {
          if (pred == null) {
            activeGuards = p.next;
          } else {
            pred.next = p.next;
          }
          p.next = null; // help GC
          break;
        }
      }
    }
  }

  /*
   * Methods that loop waiting on a guard's condition until the guard is satisfied, while recording

  This will help users to identify if they rely on iptables.localhostNodePorts feature and ulitmately help them to migrate from iptables to nftables. ([#125015](https://github.com/kubernetes/kubernetes/pull/125015), [@aroradaman](https://github.com/aroradaman)) [SIG Instrumentation, Network and Testing]