Newest Tutorials

Web scrappers are simple programs that are used to extract certain data from the web. Usually the structure of the the pages is known so scrappers have reduced complexity compared to parsers and crawlers. In this tutorial we are going to create a simple parser that extract the title and favicon from any html page.

Google Guice is a light java dependency inversion framework using annotations. It is developed by Google and it is used internally by Google for their applications.

Cache is a programming concept that can be used in a various range of applications and for various purposes. A cache library can be used for storing database queries for later use, to store rendered pages to be served again without generating them again, or to save indexed pages in a crawler application to be processed by multiple modules.

Alexa does not offer any free API to obtain Alexa Rank. However there is a simple method to obtain it in the same way the Alexa Toolbar does.

The model view controller pattern is the most used pattern for today’s world web applications. It has been used for the first time in Smalltalk and then adopted and popularized by Java. At present there are more than a dozen PHP web frameworks based on MVC pattern.

The .htaccess file make about 4 unnecessary requests to disk to verify files existence. See how you can improve it.