Andrew NG Machine learning class is the best class so far which I took online. Apart from the course video sometimes lecture slides are also important for quick reference. For quite some time, I was looking for them as they are not available on course home. Here all the lecture slides available at: https://d396qusza40orc.cloudfront.net/ml/docs/slides/Lecture1.pdf Lecture2.pdf Lecture3.pdf Lecture4.pdf and so… Read More »
Brief notes of my learning from course project of getting and cleaning data course from John Hopkins University. The purpose of this project is to demonstrate the ability to collect, work with, and clean a data set. Final goal here is to prepare tidy data that can be used for later analysis. One of the most exciting areas… Read More »
Modern API provided by Google, Twitter, Facebook, Github etc uses OAuth for authentication and authorization. In this example, I am using GitHub API. We get a JSON response which can be used to fetch specific information. In this code I have used my Github account.Code is written R programming languages. Here are the steps: 1.… Read More »
This program will be helpful if someone want to create recur date patterns based on criteria (yearly, monthly,weekly and daily). Program is written in Perl using old version of Date::Manip CPAN module. # Script to calculate recurrence dates based on given criteria using Perl Date::Manip module. # All the input dates in this are given… Read More »
Investigating search engines and this time apache Lucy 0.4.2. I am showing a basic indexer and a small search application. See below code for indexer (This will take documents one by one and then index them). Search module will take arugument as STDIN and then will show the search result. This is pure command line utility just to… Read More »
Create a new index Mapping attachement type Shell script to convert content to base64 encoding and index Query (Search esults will be highlighted) *********************************************************************** If you want to explore more check Full Code on GitHub
Putting some thoughts mainly for newbies trying to understand REST. Sometimes I observed that the actual documentation on the web is too technical or abstract and scattered which a bit difficult for newbies.. I am writing down some broad points which in my view REST is and it’s equation with HTTP … these points based… Read More »
RPerl: July 4th, 2015: RPerl v1.0 Full Release On CPAN Really cool stuff…
Now a days people keep asking which technology stack to be used for web development (LAMP, Java, Microsoft) and finally which programming language mainly server-side. Most of the expert says that use whichever you like and comfortable and I totally agree. If you intend to use Java and Microsoft based env then you don’t have… Read More »
Steps: 1. Download JDBC driver 2. Copy: 3. Configure: file. You need to allow the IP/host of machine running Hadoop. Restart postgreSQL using 4. Run sqoop: Open the terminal on machine running hadoop and type the below command. Enter password: prerequisites: Cloudera hadoop VM distribution or any other machine running… Read More »