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Importing large data sets in Rails and Postgres

Posted by Leo D on September 16, 2014 at 3:00pm

writing a json api service in Rails

Posted by Leo D on September 5, 2014 at 5:00pm

Real Time Bidding in Online Advertising

Posted by Joseph Lui on August 11, 2014 at 3:00pm — 2 Comments

Observing Tech in Japan

Posted by Douglas Ching on July 9, 2014 at 11:00am — 7 Comments

Unit-Testing T-SQL Projects

Posted by David Chung on June 19, 2014 at 9:30am — 5 Comments

E-Commerce on Rails: Working with Spree

Posted by Christopher Foo on June 17, 2014 at 6:13pm

Windows App Studio Review

Posted by Douglas Ching on May 16, 2014 at 9:16am — 1 Comment

 

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Ronnie Rose is now a member of TechHui
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Leo D was featured
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Leo D's blog post was featured

Importing large data sets in Rails and Postgres

In one of my recent projects, I needed to import a lot of data from csv files into a database as persisted domain objects in a web application.  This file import functionality wasn't just for application bootstrapping or a one-time legacy data migration, but for a recurring task that allowed the web app to receive updates from a third party vendor.The number of records in each file could reach into the millions, so I knew from the outset that the plain-vanilla method of creating Rails…See More
2 hours ago
Joseph Lui commented on Joseph Lui's blog post Real Time Bidding in Online Advertising
"Lol... how will they know what to sell you then?"
3 hours ago

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