Java : Process MP3 Tags
Update and fix. Add detect big artwork.
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Latest updates of useful code examples for Java, Javascript, Powerbuilder and VBScript
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Batch : Turn off all the screens from a Windows batch file
Turn off all the screens with this poowershell one-liner.
Java : Create XLS/XLSX file with Apache POI
You can use Apache POI HSSF to create an XLS file or Apache POI XSSF for an XLSX file.
Java : Run Applet in a modern browser
Run legacy Java Applets on modern browsers without a Java plugin or a Java installation
Java : Display numbers with leading zeroes
Many ways to display numbers with leading zeroes
Java : Display currency
Display currency using Java Money or NumberFormat
HTML : HTML list with empty square as bullet style
HTML UL style provides only filled square as bullet. Use this simple CSS, to have a empty square (like a checkbox) instead.
Java : Get the atomic time (using Gregorian Calendar or java.time)
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
Java : Resolve environment variable in a property value
Solution with APache Text StringSubstitutor is added
Java : Generate or validate a password
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.
Powerbuilder : Use Regular Expression from Powerscript
Support for regular expression in Powerscript is minimal, you need to use an external COM object like VBScript.RegExp to do something useful.
Windows : Count files in directory and subdirectories
2 ways to count files in directory and subdirectories
Windows : Launch an executable, resize and position from CMD file (Win/PS)
A CMD file to launch an executable, resize its window and position it on the screen.
Powerbuilder : Launch executable and capture its handle
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.
Powerbuilder : Print to the console
One missing thing is that Powerbuilder provides no direct API to display information in the console to display processing or debugging information.
Java : Enable logging for HttpURLConnection/UrlConnection
Enable the java-logging mechanism for HttpURLConnection/UrlConnection by setting a special property when starting the JVM
Java : Enable logging for JAX-WS
Try these properties to enable logging with JAX-WS (javax.ws.*)
Java : Check if a file
Check if a file, the classic way ou the NIO way
Java : Get the running JVM Path
Get the running JVM Path, JDK9 and pre-JDK9 solution
Java : Kill a process with a PID
Kill a process with its PID, one solution is using taskkill.exe (Windows-only) and the other is pure Java (JDK9)
Java : Get a PID given a process name
Retrieve the PIDs, one solution is using WMIC (Windows-only) and the other is pure JAva (JDK9)