* **`400`** and above are for "Client error" responses. These are the second type you would probably use the most.
    * An example is `404`, for a "Not Found" response.
    * For generic errors from the client, you can just use `400`.

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package store

import (
	"context"
	"errors"
	"sync"
	"time"
)

// ErrBatchFull indicates that the batch is full
var ErrBatchFull = errors.New("batch is full")

const defaultCommitTimeout = 30 * time.Second

// Batch represents an ordered batch
type Batch[I any] struct {
	items  []I

   * data, and vertical if there is variance in the {@code y} data but not the {@code x} data.
   *
   * <p>This fit minimizes the root-mean-square error in {@code y} as a function of {@code x}. This
   * error is defined as the square root of the mean of the squares of the differences between the
   * actual {@code y} values of the data and the values predicted by the fit for the {@code x}

// Errors returned by Scanner.
var (
	ErrTooLong         = errors.New("bufio.Scanner: token too long")
	ErrNegativeAdvance = errors.New("bufio.Scanner: SplitFunc returns negative advance count")
	ErrAdvanceTooFar   = errors.New("bufio.Scanner: SplitFunc returns advance count beyond input")
	ErrBadReadCount    = errors.New("bufio.Scanner: Read returned impossible count")
)

func addProblem(url, errmsg string) {
	msg := fmt.Sprintf("Error on %s: %s (from %s)", url, errmsg, linkSources[url])
	if *verbose {
		log.Print(msg)
	}
	problems = append(problems, msg)
}

func crawlLoop() {
	for url := range urlq {
		if err := doCrawl(url); err != nil {
			addProblem(url, err.Error())
		}
	}
}

func doCrawl(url string) error {
	defer wg.Done()

	return dir.path
}

// Attempts to create all directories, ignores any permission denied errors.
func mkdirAllIgnorePerm(path string) error {
	err := os.MkdirAll(path, 0o700)
	if err != nil {
		// It is possible in kubernetes like deployments this directory
		// is already mounted and is not writable, ignore any write errors.
		if osIsPermission(err) {
			err = nil
		}
	}
	return err
}

	if err := DB.Transaction(func(tx *gorm.DB) error {
		return nil
	}); err == nil {
		t.Errorf("should returns error when commit with closed conn, got error %v", err)
	}

	if err := DB.Session(&gorm.Session{PrepareStmt: true}).Transaction(func(tx *gorm.DB) error {
		return nil
	}); err == nil {
		t.Errorf("should returns error when commit with closed conn, got error %v", err)
	}
}

	return func(nspath string) (NetnsCloser, error) {
		nspathInContainer := filepath.Join(hostMountsPath, nspath)
		ns, err := OpenNetns(nspathInContainer)
		if err != nil {
			err = fmt.Errorf("failed to open netns: %w. Make sure that the netns host path %s is mounted in under %s in the container", err, nspath, hostMountsPath)
			log.Error(err.Error())
		}
		return ns, err
	}

			tx.Rollback()
		}
	}()
	if err := tx.Error; err != nil {
		t.Errorf("Failed to start transaction, got error %v\n", err)
	}

	if err := tx.Where("name=?", "zzjin").Delete(&User{}).Error; err != nil {
		tx.Rollback()
		t.Errorf("Failed to run one transaction, got error %v\n", err)
	}

	if err := tx.Create(&User{Name: "zzjin"}).Error; err != nil {
		tx.Rollback()
		t.Errorf("Failed to run one transaction, got error %v\n", err)

  return tensorflow::errors::Unimplemented(
      "SetAttrFunction has not been implemented yet.");
}
absl::Status SetAttrFunctionName(AbstractOperation* op_, const char* attr_name,
                                 const char* value, size_t length,
                                 ForwardOperation* forward_op_) {
  return tensorflow::errors::Unimplemented(