I’ve always wondered what is the most efficient way to drive somewhere far. Since I drive from SF-LA quite a bit, the I-5 drives became prime opportunities for me to study the best way to do this long drive. In […]
Social Distancing Works – New Zealand is a Living Example
With New Zealand’s announcement that they have managed contain the coronavirus one month after Prime Minister Jacinda Ardern placed the country in strict lockdown, I can’t help to wonder how they managed to contain the disease so effectively. How come […]
See Ahead of the Curve, a COVID-19 Visualization Tool
Try it yourself: https://dennisren.com/COVID19 I built this tool to better visualize COVID-19 data through the lens of simple mathematics. I hope you find the graphics helpful when trying to get a grasp on this complex situation. This is a good […]
2019, a Year to Remember
2019 was a year to remember; I transitioned from going to school at UCSD to working full time as a Hardware System Integrator at Apple; I bought my dream car, a Tesla Model 3, learned how to Scuba Dive, Sky […]
Quick Guide to Buying a Tesla Model 3 – April 2019
I bought Tessy, my Model 3, about a month ago. Oh man, been loving every minute of owning this car. I’ve been driving shit cars since I got my license, deciding to pursue this upgrade was a huge decision for […]
LAX Plane Spotting
Shot these pictures back in January 2019. I was still searching for a job. I stayed near LAX, conveniently I found this little hill down the street that had amazing view at all airport. Shooting plane taking off turned out […]
How about an “API” for Southwest Airlines
https://github.com/rmr1012/scrapeswa https://pypi.org/project/scrapeswa/ If you fly southwest, you probably know that you can only book their official website, not through a third party. This makes the booking kinda painful. When I fly, I usually use Google Flight’s powerful filters and gadgets […]
Interview Prepration Tool – Stack Quiz
Try it at : http://dennis.ren/stackquiz I’ve been interviewing around these days, believe it or not, sites on the StackExchange network actually have great sets of practical problems that are likely to be asked during an interview. For the interviews I’ve had, they’re […]
2018, Year in Review
The concept of the year, a unit of time constructed to match the time it takes earth to orbit the sun, has been the fundamental tool for us to understand the macroscopic passing of time. The passing of a year […]
[Tutorial] How to Build Your Own MacBook Pro for $700 Dollars
Disclaimer: This hack is for learning purposes only, not for commercial use. No, it’s not a click bait. With enough determination, you can make this happen for you too! But be warned, this hack is not for the faint hearted. […]