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Qiuwen “Owen” Fan
Worked at Carnegie Mellon University
Attends Carnegie Mellon University
Lives in Boston
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Qiuwen “Owen” Fan

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Hiked the 3.2-mile Falls Trail at Ricketts Glen State Park.

I've had my Vibram Five Fingers for over a year now and am confident that my feet are conditioned to minimal footwear, so I decided to hike in them despite state park's "always wear sturdy boots" guideline. It turned out to be an awesome experience. Your brain gets an extra dimension of I/O—feeling the pebbles, gripping the rocks—so you feel a stronger connection with nature. I will say that I was lucky in that the trail was mostly dry today. The few wet patches I had to go through taught me very quickly that a non water proof VFF is a bad idea for anything wet and slippery.

Having photography as a past hobby, I realize what could be accomplished at waterfalls with a DSLR and a tripod. But hey, out of the 16 photos I took with my phone, Google picked out 2 and applied filters on its own. Isn't that (auto)awesome?
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Qiuwen “Owen” Fan

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Driving from Pittsburgh to Boston, stopping at the halfway point Scranton today.

I bought an OBD Bluetooth adaptor and used Dash to track my drive. I was hoping that it would pull a ton of data from the car and store them alongside each trip, but right now the trip view displays frustratingly little information. And as an app that uses "social driving" as its tagline, not being able to share the trip meaningfully other than by taking screenshots is pretty disappointing. (I tried the share button—it basically just posts an ad for the app.)

On the other end of the spectrum, Torque Pro, from my brief testing yesterday, seems to be a powerhouse for collecting data, but the UI is off-putting. For the second leg of the trip I may have to go with Torque Pro anyway because my whole point of using OBD is to get valuable data out of the car.
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Qiuwen “Owen” Fan

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How Venmo became the ultimate social network for voyeurs and gossips
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They opened up more locations and started accepting credit cards, but the food is not what it used to be.
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"hierarchy of swag"
A team of UC Berkeley researchers has discovered that the 85% of the average tech worker’s clothes are free tech t-shirts, hoodies, and other assorted clothing. The study of this prevalent free...
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Lol.. 一开始还以为是恶搞..
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Qiuwen “Owen” Fan

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A few people at school are interested in my .vimrc, so I finally got around to putting my dotfiles on github.
Contribute to dotfiles development by creating an account on GitHub.
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Qiuwen “Owen” Fan

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Keep browser profile and cache in RAM!

Since the profile(s), browser cache, etc. are relocated into tmpfs (RAM disk), the corresponding onslaught of I/O associated with using the browser is also redirected from the physical drive to RAM, thus reducing wear to the physical drive and also greatly improving browser speed and responsiveness. For example, the access time of RAM is on the order of nanoseconds while the access time of physical discs is on the order of milliseconds. This is a difference of six orders of magnitude or 1,000,000 times faster.

This idea makes perfect sense. The browser is the most used application on my computer, and I always have free RAM floating around. I've been using this utility on Arch Linux for a week, and the performance gain is apparent. Chrome new tab page loads way faster than before. Great execution as well—no crashes or file corruption so far.
Profile-sync-daemon (psd) is a tiny pseudo-daemon designed to manage browser profile(s) in tmpfs and to periodically sync back to the physical disc (HDD/SSD). This is accomplished by an innovative use of rsync to maintain synchronization between a tmpfs copy and media-bound backup of the browser ...
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可以直接用Ramdisk一类工具载入一个静态分区,然后用junction一类转移文件夹,已经实测两年,Firefox没有问题,速度瓶颈变成网速(如果cpu足够)。
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Qiuwen “Owen” Fan

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Hard to imagine Google Drive adding a command line interface for Android but not the web.
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Qiuwen “Owen” Fan

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The internet doesn't disappoint.

One of the answers: http://goo.gl/Us73AA
Eat all the bubbles, minus one bubble. Then drink all the tea, minus one sip of tea. Finally, eat the last bubble with the last sip of tea. This is an easy-to-implement algorithm with a low error rate.
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Even if you don't have Android Auto yet, you might still be vaguely interested in an abstract sort of way.

Haha spot on.
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Scuba Diving in Guánica, Puerto Rico

We dived 6 tanks over 3 days—the most I've done in a single trip. The water was choppy, but it didn't prevent us from going down to 90 feet and seeing The Wall in all its glory.

My phone on the boat had cell signal the entire time, so I was able to pull out coordinates from Google location history and map out the dive sites: https://www.google.com/maps/d/edit?mid=zKXSTDHLHGv0.kET2r5SYLmJk

GoPro Hero3+ Silver did not disappoint, but color correction through post-processing turned out to be harder than I expected. Water absorbs red light like crazy, and beyond a certain depth there‘s just too little information in the red channel to work with. I wonder how well the red dive filter (http://goo.gl/oKs4qj) works…
Puerto Rico (38 fotos)
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Have him in circles
65 people
叶之海's profile photo
Ring Fing's profile photo
Wensi Dina Chen's profile photo
Xuezi Zhang's profile photo
Amanda Liu's profile photo
Roland Chen's profile photo
Uber gyroscopic's profile photo
Sohail Veer Gill's profile photo
Jian Yu's profile photo
Education
  • Carnegie Mellon University
    Computer Science, 2013 - present
  • Shanghai World Foreign Language Middle School
    IB Diploma, 2010 - 2013
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Male
Other names
樊秋文
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Student
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  • Carnegie Mellon University
    Teaching Assistant, 2014 - 2015
    15-112 Fundamentals of Programming and Computer Science
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Currently
Boston
Previously
Shanghai - Coquitlam - Pittsburgh
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