What is .vm file?

VM file is a Velocity Macro File. Apache Velocity is a Java-based template engine that provides a simple yet powerful template language to reference objects defined in Java code.

Velocity macro files (VM) are Velocity`s templates, they are html files with variables that are substituted by Velocity.

 

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Apache Lucene

Apache Lucene is a high-performance, fullfeatured text search engine library written entirely in Java

Apache Lucene is a free/open source information retrieval software library, originally created in Java by Doug Cutting. It is supported by the Apache Software Foundation and is released under the Apache Software License.

Lucene has been ported to other programming languages including  PHP.

In Lucene, everything is a Document. A Lucene Document need notrefer to an actual file on a disk, it could also resemble a row in a

relational database.

Each developer is responsible for turning their own data sets intoLucene Documents. Lucene comes with a number of 3rd party

contributions, including examples for parsing structured data files suchas XML documents and Word files.

 

 

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Installing GIMP in Ubuntu

From Ubuntu Terminal
1.Open terminal(Press CTRL+ALT+T or Applications->Accessories->Terminal)

2 Type the command sudo apt-get install gimp3.Wait for downloading and installation to complete.It may take few minutes.

From Ubuntu Software Center or Synaptic Package Manager(SPM)
1.Go to Ubuntu software Center or SPM and search for gimp.

2.Then click to install.

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Beginners' Guide , PHP Programmer , Zend Certified Engineer , Magento Certified Developer