From time to time, I come across an application whose designers need – or think they need – a CAPTCHA. I stay convinced that CAPTCHA are to be avoided. This post just goes to show the effect of segmentation on optical character recognition (OCR). If you read about artificial intelligence and character recognition, you will [...]
Je suis tombé sur cette implémentation d’un CAPTCHA. Je déteste les CAPTCHA. C’est comme de la mauvaise crypto. Fondamentalement, le CAPTCHA ne fonctionne pas. La tâche d’analyse (le test de Turing) est complexe juste parce que personne ne s’est encore donné la peine d’écrire le code pour réussir. C’est aussi vrai pour la crypto classique, [...]
Like many of you, I had a drive that showed up in the “Safely remove hardware” tray icon, and was unable to remove it. The trick is to subtract 4 from the Capabilities in the registry. Not easy, but it can be done. The only thing is that it keeps coming back after every boot [...]
