new LineProcessor<List<String>>() {
          final List<String> collector = new ArrayList<>();

          @Override
          public boolean processLine(String line) {
            collector.add(whitespace().trimFrom(line));
            return true;
          }

          @Override
          public List<String> getResult() {
            return collector;
          }
        };

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

## Den Benutzernamen überprüfen { #check-the-username }

Hier ist ein vollständigeres Beispiel.

Verwenden Sie eine Abhängigkeit, um zu überprüfen, ob Benutzername und Passwort korrekt sind.

To do that, create it right before the program itself, on the same line:

<div class="termy">

```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

{* ../../docs_src/events/tutorial002_py39.py hl[6] *}

Here, the `shutdown` event handler function will write a text line `"Application shutdown"` to a file `log.txt`.

/// info

In the `open()` function, the `mode="a"` means "append", so, the line will be added after whatever is on that file, without overwriting the previous contents.

///

/// tip

 *
 * mavenBuild("<jdk>", "<profiles> <goals> <plugins> <properties>"
 *
 * @param jdk the jdk tool name (in jenkins) to use for this build
 * @param extraArgs extra command line args
 */
def mavenBuild(jdk, extraArgs) {
  script {
    try {
      withEnv(["JAVA_HOME=${tool "$jdk"}",
               "PATH+MAVEN=${tool "$jdk"}/bin:${tool "maven_3_latest"}/bin",

**<a href="https://fastapicloud.com" class="external-link" target="_blank">FastAPI Cloud</a>** wurde vom selben Autor und Team hinter **FastAPI** entwickelt.

Es vereinfacht den Prozess des **Erstellens**, **Deployens** und **Zugreifens** auf eine API mit minimalem Aufwand.

Es bringt die gleiche **Developer-Experience** beim Erstellen von Apps mit FastAPI auch zum **Deployment** in der Cloud. 🎉

    public SettingsConfigurationException(String message, Throwable cause, int lineNumber, int columnNumber) {
        super(
                message
                        + (lineNumber > 0 ? System.lineSeparator() + "  Line:   " + lineNumber : "")
                        + (columnNumber > 0 ? System.lineSeparator() + "  Column: " + columnNumber : ""),
                cause);
        this.lineNumber = lineNumber;

import org.codelibs.fess.util.SystemUtil;

import jakarta.servlet.ServletContext;

/**
 * This job is responsible for executing the suggest creator process.
 * It builds and runs a command-line process to generate suggest data,
 * handling classpath setup, system properties, and process monitoring.
 */
public class SuggestJob extends ExecJob {

          # the end of the line.
          # See https://cloud.google.com/architecture/using-container-images#exploring_image_manifests_digests_and_tags
          echo -n "Trying to map name $1 to tag $2... "
          digest=$(curl -s --head "https://gcr.io/v2/tensorflow-sigs/build/manifests/$2" | egrep -o "sha256:[[:alnum:]]*")
          # Find the line matching the regex "sigbuild-r2.9" (with quotes) and

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