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The Archives

• ActionScript, Security

  CAPTCHA in Flex – Using to Check the User

  Andrei Ionescu | 09.11.07 | Permalink | 3 Comments

  Now here is an example how to check a user using our CAPTCHA.
  
  For source files see bellow.

• ActionScript, Security

  CAPTCHA in Flex – Running Example

  Andrei Ionescu | 01.11.07 | Permalink | 10 Comments

  And now here is a running example. This shows how to generate a CAPTCHA setting about 4 parameters.
  
  More parameters can be added to this example, like dots size, polygons transparency, font size but all that are features.
  Enjoy!
  PS: Sources are bellow.

• ActionScript, Security

  CAPTCHA in Flex – Main Class

  Andrei Ionescu | 30.10.07 | Permalink | 2 Comments

  Recently I needed to implement a CAPTCHA (means: “Completely Automated Public Turing test to tell Computers and Humans Apart” – on wikipedia) functionality to a sign-up form in flex.
  So here is the class:

  public class Captcha extends Canvas
  {
  private const CAPTCHA_WIDTH:uint = 120;
  private const CAPTCHA_HEIGHT:uint = 40;
  [...]

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FLEX{er} is a tool where information regarding Flex & Actionscript programming languages is gathered starting from general info like books and resources and going to examples of actionscript for specific problems. [...]

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comments

• rodiq: I looked a lot for a multiselect component, it is just great! In my case, I just modified it to work with...
• Nami: Thank you !!
• Gert-Jan van der Wel: It seems to work when you pass in the whole path of the class. var myClass:Class =...
• Andrei Ionescu: Cornelius, thanks for your fix.
• Cornelius: In the end, you forgot the case of a right-aligned image: if (getStyle("horizontalAlign") == "right")...