```console
// Create an env var MY_NAME in line for this program call
$ MY_NAME="Wade Wilson" python main.py

// Now it can read the environment variable

Hello Wade Wilson from Python

// The env var no longer exists afterwards
$ python main.py

Hello World from Python
```

</div>

/// tip | 팁

   */
  boolean containsValue(@CompatibleWith("V") @Nullable Object value);

  /**
   * Returns the value corresponding to the given row and column keys, or {@code null} if no such
   * mapping exists.
   *
   * @param rowKey key of row to search for
   * @param columnKey key of column to search for
   */
  @Nullable V get(
      @CompatibleWith("R") @Nullable Object rowKey,

// license that can be found in the LICENSE file.

package tar

import (
	"bytes"
	"fmt"
	"strconv"
	"strings"
	"time"
)

// hasNUL reports whether the NUL character exists within s.
func hasNUL(s string) bool {
	return strings.Contains(s, "\x00")
}

// isASCII reports whether the input is an ASCII C-style string.
func isASCII(s string) bool {
	for _, c := range s {

	}

	if updatedUser.Pets[0].Name != "pet-to-keep" {
		t.Errorf("expected pet-to-keep, got %s", updatedUser.Pets[0].Name)
	}

	// Verify the unlinked pet still exists in the database using real database query
	var count int64
	if err := DB.Model(&Pet{}).Where("id = ?", petToUnlink.ID).Count(&count).Error; err != nil {
		t.Fatalf("failed to count pet: %v", err)
	}
	if count != 1 {

# - - - - - - - - - -/
errors.login.failure = 登入失敗。
errors.app.illegal.transition = 非法轉換，請重試。
errors.app.db.already.deleted = 可能已被其他程序刪除。請重試。
errors.app.db.already.updated = 可能已被其他程序更新。請重試。
errors.app.db.already.exists = 資料已存在。請重試。
errors.app.double.submit.request = 此請求可能已在之前處理。請重試。
# _/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/
# you can define your messages here:
# e.g.
# errors.xxx = ...

   */
  boolean containsValue(@CompatibleWith("V") @Nullable Object value);

  /**
   * Returns the value corresponding to the given row and column keys, or {@code null} if no such
   * mapping exists.
   *
   * @param rowKey key of row to search for
   * @param columnKey key of column to search for
   */
  @Nullable V get(
      @CompatibleWith("R") @Nullable Object rowKey,

}

func (er erasureObjects) getMultipartSHADir(bucket, object string) string {
	return getSHA256Hash([]byte(pathJoin(bucket, object)))
}

// checkUploadIDExists - verify if a given uploadID exists and is valid.
func (er erasureObjects) checkUploadIDExists(ctx context.Context, bucket, object, uploadID string, write bool) (fi FileInfo, metArr []FileInfo, err error) {
	defer func() {
		if errors.Is(err, errFileNotFound) {

   * @param target a primitive {@code double} value
   * @return the least index {@code i} for which {@code array[i] == target}, or {@code -1} if no
   *     such index exists.
   */
  public static int indexOf(double[] array, double target) {
    return indexOf(array, target, 0, array.length);
  }

  // TODO(kevinb): consider making this public

			paxHdrs[paxSchilyXattr+k] = v
		}
		whyOnlyPAX = "only PAX supports Xattrs"
		format.mayOnlyBe(FormatPAX)
	}
	if len(h.PAXRecords) > 0 {
		for k, v := range h.PAXRecords {
			switch _, exists := paxHdrs[k]; {
			case exists:
				continue // Do not overwrite existing records
			case h.Typeflag == TypeXGlobalHeader:
				paxHdrs[k] = v // Copy all records
			case !basicKeys[k] && !strings.HasPrefix(k, paxGNUSparse):

     * It checks multiple sources in order: request attribute, request parameter, cookie, user bean, or generates a new one.
     *
     * @return the user code string, or null if no valid session exists
     */
    public String getUserCode() {
        return LaRequestUtil.getOptionalRequest().map(request -> {
            String userCode = (String) request.getAttribute(Constants.USER_CODE);