Posts
2020
Day Three: Busan (Gamcheon Culture Village)
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Trip to Korea and Japan
·322 words·2 mins
Day Two: Gyeongju (Bulguksa)
·786 words·4 mins
Introducing LISTORIO!
·176 words·1 min
2018
Day One: Seoul (Gyeongbokgung, Insa-dong, Bukchon Hanok Village)
·678 words·4 mins
2015
When JSON encoding does not play well with character encoding
·231 words·2 mins
MongoDB Query Performance Gotchas
·761 words·4 mins
Practice programming like you practice martial arts
·398 words·2 mins
2014
How to create a (simple) watch app on Pebble
·708 words·4 mins
2012
User-friendly 500 and 404 pages on Rails 3
·209 words·1 min
Install ImageMagick on Lion from source
·50 words·1 min
How can you not get romantic about startups?
·608 words·3 mins
Simple Ruby on Rails app using Twilio API
·865 words·5 mins
Facebook Connect with Rails (using Omniauth and Devise) [Update]
·484 words·3 mins
How to install Ubuntu on Chomebook (CR-48) and put parental control
·224 words·2 mins
How to install KidsRuby on Mac OS X and Ubuntu
·492 words·3 mins
2011
Never never give up on your life
·482 words·3 mins
Fresh installation of Ruby, Rails, Git, RubyGems, and Postgresql 8.x
·673 words·4 mins
(org.mongodb.mogod) Exited with exit code: 100
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Relevance in current Internet
·433 words·3 mins
Lean Startup in Education (Hacking for Education)
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Silicon Valley Bubble
·138 words·1 min
2010
Pretty Permalinks on Rails
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RVM and Heroku
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Kitchen Nightmares and Entrepreneurship
·587 words·3 mins
Full text search on Heroku
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Path of enlightenment to Ruby
·19 words·1 min
My answer to text-dynamo
·602 words·3 mins
Korea will be left behind
·572 words·3 mins
How to convert from MySQL to Postgres
·522 words·3 mins
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
·465 words·3 mins
Get WP-Syntax
·63 words·1 min
Counting rows and modifying MySQL to work with Postgres or Heroku
·292 words·2 mins
Best Open Source Wireframing Tool
·23 words·1 min
Duck Tape Programmer
·348 words·2 mins
Featured on Clickpass blog
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Ready to take a red pill?
·296 words·2 mins
3D Printer for less than $2,000
·103 words·1 min
Forget Everything, Just Build First
·201 words·1 min
How to integrate Clickpass (and OpenID) with a Rails app
·1260 words·6 mins
How to integrate Facebook Feed with a Rails app
·364 words·2 mins
Deploying a Rails app on Heroku (paperclip, gems, yml)
·470 words·3 mins
SF Women 2.0 Startup Weekend Wrap-up
·621 words·3 mins
Why there are not many startups in Korea
·358 words·2 mins
왜 창업을 해야 하나? (Why to Not Not Start a Startup)
·3762 words·18 mins
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
·1444 words·7 mins
Why the tagline, Life hacker?
·615 words·3 mins
Driving direction and link to edit playground information
·171 words·1 min
Fix display problem with Fedora 11
·133 words·1 min
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
·219 words·2 mins
Infinite possibilities and power of parents
·477 words·3 mins
Historical moment, and only in America
·316 words·2 mins
How do you know when you are in deep sh*t
·409 words·2 mins
2008
Never Give Up
·1362 words·7 mins
Mobile Security
·2011 words·10 mins
Now is the best time to start a company
·403 words·2 mins
Want and Must
·982 words·5 mins
Founders at Work - Part 2
·413 words·2 mins
Future of advertisement
·185 words·1 min
Founders at Work - Part 1
·333 words·2 mins
Open, Closed and Whole Product
·891 words·5 mins
Danger of isolation
·1166 words·6 mins
Whole Product
·235 words·2 mins
Mobile app - P2P or mesh
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History repeats itself? iPhone and Apple Mac's
·615 words·3 mins
T-Mobile G1 (Dream)
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Mobile app - translator
·176 words·1 min
Follow your dream?
·401 words·2 mins
Dare to predict the future
·1444 words·7 mins
Just do it!
·483 words·3 mins
Security: Tech's all-time top flop
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Microsoft + Yahoo is a bad, bad move
·361 words·2 mins
Signature-based security is no longer effective
·198 words·1 min
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
·658 words·4 mins
Google Interview
·857 words·5 mins
Starting a company is hard....
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Who am I?
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