Perspectives

Latest writing

Thoughts on architecture, cloud, and technology leadership.

October 10, 2015

Ember Inject Controller

After updating my Ember project to version 1.13.5, I received the following warning in the browser console:
Read more
October 3, 2015

Fun Things to Do in Hanoi, Vietnam

My ambition is to travel the world, although I realize that may be a bit too ambitious.
Read more
July 18, 2015

Batch Crop Images using ImageMagick

Today, one of the tasks I performed involved batch cropping numerous pictures. I found ImageMagick to be very useful for scaling and cropping images. Mogrify, a command within the ImageMagick package, enables us to perform…
Read more
June 28, 2015

Switching from Sublime Text to Atom

The Atom text editor has just released its 1.0 version. There are plenty of reasons to switch from Sublime Text. Maybe you love the concept of open source, or perhaps you're a member of the GitHub community. While Atom does have…
Read more
June 28, 2015

How to Upgrade Your Ghost Blog via Command Line

First, change the directory to the path where your Ghost blog is installed. For example, in my case, it's located at:
Read more
June 28, 2015

SSH: How to Fix the 'Unprotected Private Key' Error

When I downloaded the .pem file to SSH into my AWS instance, I encountered the following error:
Read more
June 28, 2015

How to Fix Ruby Gems Permission Error on Mac OS X Yosemite

While trying to install a gem on Mac OS X Yosemite, I encountered the following error:
Read more
April 13, 2015

Survival Tips for Non-Korean Speakers in Busan and Vicinity

Aleumdaun! This is how Koreans describe something as "lovely." They often use this phrase to talk about the scenic beauty of Busan, Gyeongju, and Jinhae, particularly in the spring when cherry blossoms are in full bloom.
Read more
March 14, 2015

Java: Variables are Always Passed by Copy

I am learning Java. One important concept to understand is whether function arguments are passed by copy or by reference.
Read more
March 14, 2015

3 Reasons to Love React

Recorded at the Hong Kong JavaScript and Node.js meetup on March 3, 2015:
Read more
February 20, 2015

Common npm Permission Issues

If you are using a Mac and have installed Node.js via a pkg file downloaded from the official website, you are likely to encounter the following error message when you try to install an npm module globally:
Read more
February 20, 2015

Sublime Text 3: Using the OS X Command Line

Sublime Text 3 includes a command line tool, subl. Unfortunately, this tool doesn't work right out of the box after you've installed the editor on OS X Yosemite.
Read more