void testHexdump() {
        // Capture output
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        PrintStream ps = new PrintStream(baos);

        // Test with 16 bytes (one complete line)
        byte[] data1 = createTestData(16);
        Hexdump.hexdump(ps, data1, 0, 16);
        String output1 = baos.toString();

        assertNotNull(output1);
        assertTrue(output1.contains("00000:"));

     <span style="background-color:#007166"><font color="#D3D7CF"> INFO </font></span>  Waiting for application startup.
     <span style="background-color:#007166"><font color="#D3D7CF"> INFO </font></span>  Application startup complete.
```

</div>

**ДУЖЕ радимо** написати або скопіювати код, відредагувати його та запустити локально.

     <span style="background-color:#007166"><font color="#D3D7CF"> INFO </font></span>  Waiting for application startup.
     <span style="background-color:#007166"><font color="#D3D7CF"> INFO </font></span>  Application startup complete.
```

</div>

/// tip | İpucu

Production için `fastapi dev` yerine `fastapi run` kullanırsınız. 🚀

///

     * <ul>
     *   <li>Changes to the POM file during the build are detected</li>
     *   <li>Cache entries don't persist beyond the current build request</li>
     *   <li>Memory is freed once the build request completes</li>
     * </ul>
     */
    static class BuildPathSource extends PathSource implements ModelSource, CacheMetadata {

        /**
         * Constructs a new ModelPathSource.
         *

     * @param batchMaxSize The maximum batch size delegate should receive (default {@code 500}).
     * @param blockOnLastEvent Should this listener block on last transfer end (completed or corrupted) block? (default {@code true}).
     */
    public SimplexTransferListener(
            TransferListener delegate, int queueSize, int batchMaxSize, boolean blockOnLastEvent) {

	pop := w.pushScope("type " + name + " interface")

	var methodNames []string
	complete := true
	mset := types.NewMethodSet(typ)
	for i, n := 0, mset.Len(); i < n; i++ {
		m := mset.At(i).Obj().(*types.Func)
		if !m.Exported() {
			complete = false
			continue
		}
		methodNames = append(methodNames, m.Name())
		if w.isDeprecated(m) {

 */

/**
 * An abstract class for NTLM authentication in SMB1 protocol.
 * Provides a callback mechanism for retrieving user credentials when authentication is required.
 */

<img src="/img/tutorial/security/image12.png">

## Check the username { #check-the-username }

Here's a more complete example.

Use a dependency to check if the username and password are correct.

For this, use the Python standard module [`secrets`](https://docs.python.org/3/library/secrets.html) to check the username and password.

     <span style="background-color:#007166"><font color="#D3D7CF"> INFO </font></span>  Waiting for application startup.
     <span style="background-color:#007166"><font color="#D3D7CF"> INFO </font></span>  Application startup complete.
```

</div>

Es wird **dringend empfohlen**, den Code zu schreiben oder zu kopieren, ihn zu bearbeiten und lokal auszuführen.

     <span style="background-color:#007166"><font color="#D3D7CF"> INFO </font></span>  Waiting for application startup.
     <span style="background-color:#007166"><font color="#D3D7CF"> INFO </font></span>  Application startup complete.
```

</div>

**НАСТОЯТЕЛЬНО рекомендуется** написать или скопировать код, отредактировать его и запустить локально.