Knowledge is Power
Source: http://geekexplains.blogspot.com/2009/04/sax-vs-dom-differences-between-dom-and.html Differences between DOM and SAX. When to use what? Before going through the differences, if you need a refresh of what SAX and DOM are, please refer to this article – SAX, DOM, JAXP, & JDOM >>. While comparing...
Source: http://beekeeperdata.com/posts/hadoop/2015/07/26/Hive-UDTF-Tutorial.html Author: Matthew Rathbone Co-author: Elena Akhmatova Article Hadoop Hive UDTF Tutorial – Extending Apache Hive with Table Functions While working with both Primitive types and Embedded Data Structures was discussed in part one, the UDF interfaces are limited to...
Source: https://community.hortonworks.com/articles/42695/how-to-create-a-hive-udf-in-scala.html This article will focus on creating a custom HIVE UDF in the Scala programming language. Intellij IDEA 2016 was used to create the project and artifacts. Creation and testing of the UDF was performed on the Hortonworks...
Source: http://stackoverflow.com/questions/11177954/how-do-i-completely-uninstall-node-js-and-reinstall-from-beginning-mac-os-x Removing npm from mac sudo rm -rf /usr/local/{lib/node{,/.npm,_modules},bin,share/man}/{npm*,node*,man1/node*} which is the equivalent of (same as above)… sudo rm -rf /usr/local/bin/npm /usr/local/share/man/man1/node* /usr/local/lib/dtrace/node.d ~/.npm ~/.node-gyp /opt/local/bin/node opt/local/include/node /opt/local/lib/node_modules or (same as above) broken down… To completely uninstall node +...
It is always so convenient to have a local environment for learning and quick testing of a scenario. If you are working in macOS environment looking to learn or setup Hadoop locally then you are in the right place. I...
Using the settings below will add colors to vi editor, change the tabstops to 4 and adds more niceness. This is how my .vimrc looks like. filetype plugin indent on ” show existing tab with 4 spaces width set number...
Source: http://henning.kropponline.de/2016/02/14/a-secure-hdfs-client-example/ It takes about 3 lines of Java code to write a simple HDFS client that can further be used to upload, read or list files. Here is an example: Configuration conf = new Configuration(); conf.set(“fs.defaultFS”,”hdfs://one.hdp:8020″); FileSystem fs = FileSystem.get(conf);...
Source: http://askubuntu.com/questions/26632/how-to-install-eclipse/219974#219974 How to install Eclipse 4.2 on Ubuntu 12.04 for all users Since the Eclipse packages in the Ubuntu repositories are out of date, if we want to install latest releases, we are going to have to do...
Resources http://www.webresourcesdepot.com/test-sample-data-generators/ http://databene.org/databene-benerator/similar-products.html Tools GenerateData GenerateData is a free, open source script written in JavaScript, PHP and MySQL that lets you quickly generate large volumes of custom data in a variety of formats for use in testing software, populating databases....
Source: http://msdn.microsoft.com/en-us/library/vstudio/hh279672.aspx Sometimes an object must store a way to access the underlying object of a shared_ptr without causing the reference count to be incremented. Typically, this situation occurs when you have cyclic references betweenshared_ptr instances. The best design is to avoid shared...
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