Latest updates of useful code examples for Java, Javascript, Powerbuilder and VBScript "Copyright 2016-2021 Real Gagnon - All Rights Reserved" https://www.rgagnon.com/howto.html en-us Tue, 17 Feb 2026 01:00:00 GMT 144 41 https://www.rgagnon.com/howto.html https://www.rgagnon.com/images/realhowto-small.png Update and fix. Add detect big artwork. https://www.rgagnon.com/javadetails/java-process-mp3-tags.html Tue, 17 Feb 2026 01:00:00 GMT https://www.rgagnon.com/javadetails/java-process-mp3-tags.html Turn off all the screens with this poowershell one-liner. https://www.rgagnon.com/gp/gp-batch-turn-off-monitor.html Wed, 4 Feb 2026 01:00:00 GMT https://www.rgagnon.com/gp/gp-batch-turn-off-monitor.html You can use Apache POI HSSF to create an XLS file or Apache POI XSSF for an XLSX file. https://www.rgagnon.com/javadetails/java-create-xls-xlsx-with-apache-poi.html Sun, 28 Sep 2025 01:00:00 GMT https://www.rgagnon.com/javadetails/java-create-xls-xlsx-with-apache-poi.html Run legacy Java Applets on modern browsers without a Java plugin or a Java installation https://www.rgagnon.com/javadetails/java-run-applet-in-modern-browser.html Wed, 23 Apr 2025 01:00:00 GMT https://www.rgagnon.com/javadetails/java-run-applet-in-modern-browser.html Many ways to display numbers with leading zeroes https://www.rgagnon.com/javadetails/java-0021.html Mon, 3 Feb 2025 01:00:00 GMT https://www.rgagnon.com/javadetails/java-0021.html Display currency using Java Money or NumberFormat https://www.rgagnon.com/javadetails/java-display-currency.html Sun, 2 Feb 2025 01:00:00 GMT https://www.rgagnon.com/javadetails/java-display-currency.html HTML UL style provides only filled square as bullet. Use this simple CSS, to have a empty square (like a checkbox) instead. https://www.rgagnon.com/jsdetails/html-list-with-empty-square-as-bullet-style.html Mon, 20 Jan 2025 01:00:00 GMT https://www.rgagnon.com/jsdetails/html-list-with-empty-square-as-bullet-style.html We connect to a publicly accessible time server on the internet and parse the result. Using a Gregorian Calendar or new way using java.time https://www.rgagnon.com/javadetails/java-0589.html Tue, 26 Jul 2022 01:00:00 GMT https://www.rgagnon.com/javadetails/java-0589.html Solution with APache Text StringSubstitutor is added https://www.rgagnon.com/javadetails/java-resolve-environment-variable-in-property-value.html Fri, 25 Jun 2021 01:00:00 GMT https://www.rgagnon.com/javadetails/java-resolve-environment-variable-in-property-value.html The generate() method produces a password using some rules and the validate() method validates a password against the same rules. Also an Apache Commons solution is provided to generate a random string. https://www.rgagnon.com/javadetails/java-generate-validate-password.html Fri, 26 Mar 2021 01:00:00 GMT https://www.rgagnon.com/javadetails/java-generate-validate-password.html Support for regular expression in Powerscript is minimal, you need to use an external COM object like VBScript.RegExp to do something useful. https://www.rgagnon.com/pbdetails/powerbuilder-regex-from-powerscript.html Fri, 19 Mar 2021 01:10:00 GMT https://www.rgagnon.com/pbdetails/powerbuilder-regex-from-powerscript.html 2 ways to count files in directory and subdirectories https://www.rgagnon.com/gp/gp-count-files-directory-and-subdirectories.html Fri, 19 Mar 2021 01:00:00 GMT https://www.rgagnon.com/gp/gp-count-files-directory-and-subdirectories.html A CMD file to launch an executable, resize its window and position it on the screen. https://www.rgagnon.com/gp/gp-launch-executable-resize-move-from-cmd.html Fri, 19 Mar 2021 01:00:00 GMT https://www.rgagnon.com/gp/gp-launch-executable-resize-move-from-cmd.html This HowTo launch an executable using the Win API ShellExecuteEx and retrieve the handle of the launched executable. This handle can be used later to interact with it. Like, for example, if we want to terminate it form Powerbuilder. https://www.rgagnon.com/pbdetails/powerbuilder-launch-executable-capture-its-handle.html Thu, 17 Dec 2020 01:00:00 GMT https://www.rgagnon.com/pbdetails/powerbuilder-launch-executable-capture-its-handle.html One missing thing is that Powerbuilder provides no direct API to display information in the console to display processing or debugging information. https://www.rgagnon.com/pbdetails/powerbuilder-print-to-the-console.html Thu, 17 Dec 2020 01:00:00 GMT https://www.rgagnon.com/pbdetails/powerbuilder-print-to-the-console.html Enable the java-logging mechanism for HttpURLConnection/UrlConnection by setting a special property when starting the JVM https://www.rgagnon.com/javadetails/java-debug-HttpURLConnection-problem.html Thu, 17 Dec 2020 01:00:00 GMT https://www.rgagnon.com/javadetails/java-debug-HttpURLConnection-problem.html Try these properties to enable logging with JAX-WS (javax.ws.*) https://www.rgagnon.com/javadetails/java-logging-with-jax-ws.html Thu, 17 Dec 2020 01:00:00 GMT https://www.rgagnon.com/javadetails/java-logging-with-jax-ws.html Check if a file, the classic way ou the NIO way https://www.rgagnon.com/javadetails/java-0070.html Thu, 17 Dec 2020 01:00:00 GMT https://www.rgagnon.com/javadetails/java-0070.html Get the running JVM Path, JDK9 and pre-JDK9 solution https://www.rgagnon.com/javadetails/java-get-running-jvm-path.html Sat, 8 Aug 2020 01:00:00 GMT https://www.rgagnon.com/javadetails/java-get-running-jvm-path.html Kill a process with its PID, one solution is using taskkill.exe (Windows-only) and the other is pure Java (JDK9) https://www.rgagnon.com/javadetails/java-kill-a-process-with-a-pid.html Wed, 29 Jul 2020 02:00:00 GMT https://www.rgagnon.com/javadetails/java-kill-a-process-with-a-pid.html Retrieve the PIDs, one solution is using WMIC (Windows-only) and the other is pure JAva (JDK9) https://www.rgagnon.com/javadetails/java-get-a-pid.html Wed, 29 Jul 2020 02:00:00 GMT https://www.rgagnon.com/javadetails/java-get-a-pid.html