This is useful in a Web-based Photo Gallery kind of application, where you need to automatically generate multiple sizes of the same image. class ThumbnailGenerator { public void generateThumbnail (String
If you have a method into which you pass a String parameter that you compare with another string then: void foo( String str ){ String CONST_STR = “bar”; // DON’T
To create a file that your IE browser will recognize as XML, simply place these two lines at the top of your ASP page. IE will view it as an
A field gains focus when the user clicks inside the text box, and the focus is lost when the user clicks outside the box, anywhere on the page. You can
At one time or another, all ASP progrmmers have used RESPONSE.WRITE to write out a variable on the screen, ensuring that the variable is passing correctly or has the correct
This tip is useful for large, server-side scripts containing lots of functions/procedures that generate HTML forms. Say you’ve hardcoded the script name (for the same script) in the ACTION tag
Servlet 2.3 provides an API that finds the algorithm used a Web app’s SSL requests. The attribute “javax.servlet.request.cipher_suite” is provided to get the information.Here’s the code: String cipherAttribute = “javax.servlet.request.cipher_suite”;String
/** * Function that will remove the leading and trailing spaces. */function trim(str){ return( rtrim(ltrim(str)));}/** * Function that will remove the trailing spaces. */function rtrim(str){ re = /(s+)$/; return str.replace(re,
The DataReader is the ADO.NET counterpart of the forward-only, read-only recordset in classic ADO. For this reason you never know how many rows the DataReader is about to return. In