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 […]

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 […]

[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. […]