Reading Time: < 1 minute My old daughter Serenity is a sweet girl. She is so sweet so that she doesn’t like competition. I get it I don’t like competition either but if I don’t compete I probably won’t be here. Lots of smart kids in my class of probably 40 in the village elementary school in China in late… Continue reading Competition
Teach kids programming
Reading Time: < 1 minute I am thinking about this, also there was an ask from two parents. Some of the things I think I can start at first class, also some of the things I am thinking about teaching (more systematic). Starter: raspberry pi (and micro bit), coder master (Sophia’s game), the lego technic motor sets (not coding but… Continue reading Teach kids programming
Youth self defense class at SLMCS
Reading Time: 2 minutes (Update 01-07-2022) The Chinese school starting date for Winter / Spring semester is pushed out by 2 weeks. So the below class will start on Jan 23rd instead of Jan 9th, 2022. Please refer to the SLMCS class link for more up-to-date details. (Original) “Youth self defense” class in the STL Modern Chinese school, this… Continue reading Youth self defense class at SLMCS
Recent Olivette Developments
Reading Time: < 1 minute (Update 12-30-2021) I heard about this one, but the new 35 townhomes at Dieman and Olive road is official. Here is the developer website. (Original) We can see a lots of new developments, both residential and commercials, at Olivette along the Olive road in last year or so. Some of the bigger development projects I… Continue reading Recent Olivette Developments
Weekly thoughts 12-16-2021
Reading Time: 2 minutes Looking at the 5, 10, and 20 years chart of $CAT, $LUV and $SPY, then $MA. It seems in 5 and 20 years, $CAT beats $LUV and $SPY, while the 10 year performance was the opposite. Note I haven’t counted the dividend (or dividend re-investing in all cases). Then when I put the $MA in… Continue reading Weekly thoughts 12-16-2021
Self checkout lane
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… Continue reading Self checkout lane
NerdWallet ipo
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… Continue reading NerdWallet ipo
One set of source code – 12 factors app principle no. 1
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… Continue reading One set of source code – 12 factors app principle no. 1
Raspberry Pi
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… Continue reading Raspberry Pi
Mental health break
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… Continue reading Mental health break