Reading Time: < 1 minute The self checkout at grocery store and warehouses. Personally I think Costco $COST got it right, they have plenty of staffs to assist: for scanning as well as alcohol overwrite. Sam’s Club has one staff helping multiple lanes, but it also has a #scanandgo option in its app. /1 The scanning feature in the app

Reading Time: < 1 minute 感觉这个市场还是有些泡沫的. EV 就不说了：昨天傍晚🌆的时候开车时我的七岁小女儿说看到一个Tesla. I was thinking buy a share of $TSLA just now, but I changed to $F instead [呲牙] || Separately I noticed NerdWallet the personal finance / credit card 💳 bonus website went public last week. I worked in the credit card rewards space in the past and I used to get some

Reading Time: 3 minutes For 12 factor application the No. 1 principle is one source code base. Today I was thinking about this topic: one sets of source code for one app, and use configuration for language, region or other different settings for different customers. And this reminded me of some of the articles I read (such as this

Reading Time: 2 minutes Downloaded Noobs image installer (imager_1.6.2) to Mac, unpack (or install) so that I have “Raspberry Pi Imager” on Mac, and then used it to create the bootable OS on the sd card using that software. After that insert the sd card to the appropriate slot on p3, also plugged in hdmi for monitor, and usb

Reading Time: < 1 minute Two more off days for the kids and teachers before thanksgiving holidays. Please note I still have 2 vacation days to cover it (also I WFH full time since March 2020 pandemic shutdown). Btw, I heard mental health break is getting popular among school districts (public schools), so there is peer pressure there. || The

Reading Time: < 1 minute (Update 4: 01-21-2022) Roblox published the root cause here. (Update 3: 11-03-2021) I came across this website that shows nice stats for Roblox (I noticed downdetector only shows 24 hours history by default, not sure how to customize it). I vaguley recall I also see a github repo that can scan the roblox APIs, but

Reading Time: < 1 minute Today I made a pretty bad mistake on my presentation. Basically, I messed up my audio shortly after I got started, and I was not aware of it for about 6 minutes or so: until I realized I was kicked out the meeting. The audio issue was caused by my airpods losing battery, and I

Reading Time: < 1 minute St. Louis County COVID-19 Vaccines (pre-register) Providers (hospitals in alphabetical order) BJC Mercy SSM St. Luke Precautions / things to pay attention before taking vaccines.

Reading Time: < 1 minute Even since I enabled the 2 factor authentication on GitHub, I am using the developer personal access token (PAT) for pushing the code. The normal steps (please ignore the numbers in the beginning of each line): This works for both the public and private repo. I’m thinking another way to do it is when using

Reading Time: < 1 minute Copied from mitbbs, link here. ======木女神注定超越索罗斯和巴菲特，成为本世纪最大的投资传奇 Note, by Omaha aka yours truly, I disagree and I would be a bit cautious here. Warren Buffett is the best investor in the record in 20th century 1900 to 1999, no doubt about it. As to 21st century, the jury is still out, as we only had record