Write to a Perl File Using Flock
June 22, 2004
In his tip “Locking a File With the Perl Flock Function,” Steve Renaker’s example opens a file without specifying read or write. While this will successfully open a file for
In his tip “Locking a File With the Perl Flock Function,” Steve Renaker’s example opens a file without specifying read or write. While this will successfully open a file for
If the function template you’re adding incorporates functionality that you already have, then you need to remove the old members first; otherwise the duplication will cause ambiguity. Here’s an example.
Say you want the length of an integer to be exactly five digits, you can use the below method: NumberFormat nf=NumberFormat.getInstance(); // Get Instance of NumberFormatnf.setMinimumIntegerDigits(5); // The minimum Digits
Nowadays, many reports are generated as HTML documents for access on the Web. This tip shows you how to export that HTML data as it is (including all the CSS
Here is some Visual Basic 2005 code for setting the Windows desktop wallpaper to an arbitrary image on the user’s local drive. It illustrates use of VB2005 “My” classes, in
Passing multi-dimensional arrays to routines is different in VB.NET. Say you have a two-dimensional array called aStrMy2DArray(10,1) as a string data type: Private Sub MyRoutine(ByVal aStrMy2DArray as String (,)) ‘
In order to execute a .jar file using Java’s -jar jarfile command, the manifest file needs to have the classpath defined. This would look something like: Manifest-Version: 1.0Sealed: trueMain-Class: com.CalculatorClass-Path:
When an XML file contains a xmlns parameter, you can’t use simple SelectSingleNode to retrieve a specific node. Take the following code, for example: 31 Now, try to run the
Many times during coding you feel the need to keep more than one block of code in your clipboard.Visual Studio provides a wonderful feature for this using the clipboard ring.