AI's Two Walls
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Posts
2026
2020
Day Three: Busan (Gamcheon Culture Village)
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Trip to Korea and Japan
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Day Two: Gyeongju (Bulguksa)
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Introducing LISTORIO!
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2018
Day One: Seoul (Gyeongbokgung, Insa-dong, Bukchon Hanok Village)
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2015
When JSON encoding does not play well with character encoding
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MongoDB Query Performance Gotchas
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Practice programming like you practice martial arts
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2014
How to create a (simple) watch app on Pebble
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2012
User-friendly 500 and 404 pages on Rails 3
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Install ImageMagick on Lion from source
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How can you not get romantic about startups?
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Simple Ruby on Rails app using Twilio API
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Facebook Connect with Rails (using Omniauth and Devise) [Update]
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How to install Ubuntu on Chomebook (CR-48) and put parental control
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How to install KidsRuby on Mac OS X and Ubuntu
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2011
Never never give up on your life
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Fresh installation of Ruby, Rails, Git, RubyGems, and Postgresql 8.x
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(org.mongodb.mogod) Exited with exit code: 100
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Relevance in current Internet
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Lean Startup in Education (Hacking for Education)
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Silicon Valley Bubble
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2010
Pretty Permalinks on Rails
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RVM and Heroku
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Kitchen Nightmares and Entrepreneurship
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Full text search on Heroku
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Path of enlightenment to Ruby
·19 words·1 min
My answer to text-dynamo
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Korea will be left behind
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How to convert from MySQL to Postgres
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2009
Best Wordpress Backup plugin (if you have Amazon S3 account)
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To mock or stub 'open' method
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Bloglation - Translate, Save, and Share!
·80 words·1 min
Installing acts_as_ferret with pagination and deploying on Heroku
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Get WP-Syntax
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Counting rows and modifying MySQL to work with Postgres or Heroku
·292 words·2 mins
Best Open Source Wireframing Tool
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Duck Tape Programmer
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Featured on Clickpass blog
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Ready to take a red pill?
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3D Printer for less than $2,000
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Forget Everything, Just Build First
·201 words·1 min
How to integrate Clickpass (and OpenID) with a Rails app
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How to integrate Facebook Feed with a Rails app
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Deploying a Rails app on Heroku (paperclip, gems, yml)
·470 words·3 mins
SF Women 2.0 Startup Weekend Wrap-up
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Why there are not many startups in Korea
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왜 창업을 해야 하나? (Why to Not Not Start a Startup)
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How to integrate Google Maps in a Rails app
·1006 words·5 mins
Singleton Class, acts_as_rated and twitterify in Rails
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How to integrate Facebook Connect with a Rails app
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Why the tagline, Life hacker?
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Driving direction and link to edit playground information
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Fix display problem with Fedora 11
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How to enable WordPress permalinks on 1and1.com
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Alpha version of Playgrounds R Us is launched
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It's here to stay and disrupt for a long time
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Infinite possibilities and power of parents
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Historical moment, and only in America
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How do you know when you are in deep sh*t
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2008
Never Give Up
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Mobile Security
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Now is the best time to start a company
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Want and Must
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Founders at Work - Part 2
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Future of advertisement
·185 words·1 min
Founders at Work - Part 1
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Open, Closed and Whole Product
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Danger of isolation
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Whole Product
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Mobile app - P2P or mesh
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History repeats itself? iPhone and Apple Mac's
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T-Mobile G1 (Dream)
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Mobile app - translator
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Follow your dream?
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Dare to predict the future
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Just do it!
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Security: Tech's all-time top flop
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Microsoft + Yahoo is a bad, bad move
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Signature-based security is no longer effective
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2007
Pros and cons of outsourcing software development to India
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Learn from others' mistakes
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What makes a company great?
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Do you dare to predict the future?
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Software is the king
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In transition, stuck in the middle
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Identity Crisis
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Scholar and Entreprenuer
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Online resources for high-tech entrepreneurs
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Google Interview
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Starting a company is hard....
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Who am I?
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