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Yash Ranadive
117 followers -
Data Engineer at Lookout Mobile Security
Data Engineer at Lookout Mobile Security

117 followers
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Walkthrough of GrepPage. Create an account at https://www.greppage.com
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Convert ISO-8601 time to UTC time in Hive
In order to convert the ISO-8601 datetime string .e.g "2013-06-10T12:31:00+0700" in to UTC time "2013-06-10T05:31:00Z" you can do the following select from_unixtime(iso8601_to_unix_timestamp('2013-06-10T12:31:00Z'), 'yyyy-MM-dd-HH-mm-ss') from table limit 1...
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Ruby Read Large files from the Network and write to File
If you are writing a large file to disk using the traditional way (open-uri), you will notice that the memory usage spikes up just before writing the file to disk. The workaround to this is to use the HTTP.start method and write chunks at a time to disk as ...
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Svbtle
I'm looking for a good hosted Mardown blogging solution. I've written my first blog using Svbtle at http://dubwubwub.svbtle.com/shell-yesterdays-dats It was fairly easy to write. But the Svbtle interface requires getting used to. Overall it looks good. Look...
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Don't put you passwords in the commandline
Consider this shell command $>mysql -u username -p password Passwords on the command line are a real BAD idea. Here's why: 1. They are easily viewable in the process-list by doing a  ps 2. They are easily viewable in the command history by doing history Rem...
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Code Kata, Simple implementation of Bloom Filters
We are doing kata at work this month. It is pretty exciting as you spend around 30 mins everyday learning a new technique or stretching your coding abilities. I tried the code kata website for some fun exercises. One thing that I've been particularly intere...
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Download Sqoop 2 from cloudera using apt-get install
Today I had problems downloading the sqoop2 server and client using apt-get install. The problem was that apt wasn't able to get the correct package. I tried to manually set up the .list file in /etc/apt/sources.list.d directory according to the cloudera li...
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