return join(partsList);
  }

  /**
   * Returns a string containing the string representation of each argument, using the previously
   * configured separator between each.
   */
  public final String join(
      @Nullable Object first, @Nullable Object second, @Nullable Object... rest) {
    return join(iterable(first, second, rest));
  }

  /**

		return 0, err
	}
	var deviceCwd string
	if isStd {
		// Note that we use path.Join here instead of filepath.Join:
		// The device paths should be slash-separated even if the go_android_exec
		// wrapper itself is compiled for Windows.
		deviceCwd = path.Join(deviceGoroot, "src", importPath)
	} else {
		deviceCwd = path.Join(deviceGopath, "src", importPath)
		if modDir != "" {

	}

	var users3 []User
	DB.Joins("inner join pets on pets.user_id = users.id AND pets.name = ?", user.Pets[0].Name).Joins("join accounts on accounts.user_id = users.id AND accounts.number = ?", user.Account.Number).Where("users.name = ?", user.Name).First(&users3)
	if len(users3) != 1 {
		t.Errorf("should find one users using multiple left join conditions, but got %v", len(users3))

  write_to_bazelrc('test:v1 --test_tag_filters=%s' %
                   ','.join(test_and_build_filters + test_only_filters))
  write_to_bazelrc('test:v1 --build_tag_filters=%s' %
                   ','.join(test_and_build_filters))
  write_to_bazelrc(
      'test:v2 --test_tag_filters=%s' %
      ','.join(test_and_build_filters + test_only_filters + ['-v1only']))
  write_to_bazelrc('test:v2 --build_tag_filters=%s' %

			t.Errorf("Test %d: Expected the APIErrCode to be %d, got %d", i+1, testCase.expectedErrCode, actualErrCode)
		}
		if actualErrCode == ErrNone {
			if strings.Join(testCase.expectedSignedHeaders, ",") != strings.Join(actualSignedHeaders, ",") {
				t.Errorf("Test %d: Expected the result to be \"%v\", but got \"%v\". ", i+1, testCase.expectedSignedHeaders, actualSignedHeaders)
			}
		}
	}
}

		if !strings.HasPrefix(lkey, "x-amz-") {
			continue
		}
		keys = append(keys, lkey)
		keyval[lkey] = strings.Join(headers[key], ",")
	}
	sort.Strings(keys)
	var canonicalHeaders []string
	for _, key := range keys {
		canonicalHeaders = append(canonicalHeaders, key+":"+keyval[key])
	}
	return strings.Join(canonicalHeaders, "\n")
}

// Return canonical resource string.

}

func createUsageTestFiles(t *testing.T, base, bucket string, files []usageTestFile) {
	for _, f := range files {
		err := os.MkdirAll(filepath.Dir(filepath.Join(base, bucket, f.name)), os.ModePerm)
		if err != nil {
			t.Fatal(err)
		}
		err = os.WriteFile(filepath.Join(base, bucket, f.name), make([]byte, f.size), os.ModePerm)
		if err != nil {
			t.Fatal(err)
		}
	}
}

#### Kiểm tra `openapi.json`

Nếu bạn tò mò về việc cấu trúc OpenAPI nhìn như thế nào thì FastAPI tự động sinh một JSON (schema) với các mô tả cho tất cả API của bạn.

            it.start();

            currentProcess.waitFor();
            it.join(5000);

            if (mt.isTeminated()) {
                throw new CommandExecutionException("The command execution is timeout: " + String.join(" ", commands));
            }

            final int exitValue = currentProcess.exitValue();

            if (logger.isInfoEnabled()) {

    if (bits == 32) {
      return Murmur3_32HashFunction.GOOD_FAST_HASH_32;
    }
    if (bits <= 128) {
      return Murmur3_128HashFunction.GOOD_FAST_HASH_128;
    }

    // Otherwise, join together some 128-bit murmur3s
    int hashFunctionsNeeded = (bits + 127) / 128;
    HashFunction[] hashFunctions = new HashFunction[hashFunctionsNeeded];
    hashFunctions[0] = Murmur3_128HashFunction.GOOD_FAST_HASH_128;