Ein Merkzettel für den täglichen Wahnsinn im Infozeitalter.

Cross-Origin Resource Sharing (CORS) is an HTTP-header based mechanism that allows a server to indicate any origins (domain, scheme, or port) other than its own from which a browser should…

static void main(String... args) throws Exception { System.setProperty("jdk.httpclient.HttpClient.log", "requests, headers"); var uri= URI.create("https://airhacks.live"); var client = HttpClient.newHttpClient(); var request = HttpRequest .newBuilder(uri) .GET() .build(); var response = client.send(request, BodyHandlers.discarding()); System.out.println(response.statusCode());…

Ordner in "main" führt zu RES_NOT_FOUND. Resources folder must be inside the webapp folder, not in the root main (siehe https://stackoverflow.com). siehe auch: Resources (library) in JSF 2.0

var name = Optional.ofNullable(param) .filter(Predicate.not(String::isEmpty)) .orElse(DEFAULT);

WinSW wraps and manages any application as a Windows service. xyz XYZ This service runs XYZ. D:\xyz\xyzzip abcd admin geheim true "%BASE%\xyzzip\target\bin\xyz.bat" curl --request POST --url https://localhost:60708/cmd/shutdown --header "content-type: text/plain"…

siehe auch: Link, CommandLink und OutputLink Action oder ActionListener (inkl. Exception Handling) Aktion wird nicht ausgeführt Invoke JSF managed bean action on page load

siehe https://jakarta.ee