6/13/23

zsh compinit: insecure directories, run compaudit for list.

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If you encountered this message prompt: zsh compinit: insecure directories, run compaudit for list. Ignore insecure directories and continue...
9/5/21

apt update issue: Problem parsing dependency

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If you encounter this problem when doing 'apt update' E: Problem parsing dependency 21 of libc6-dev-s390x-cross:all=2.31-0ubuntu7cro...
1 comment:
12/28/20

Biden's 11/4 Early Morning Vote Jump in Michigan (Un-)Explained.

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You've probably seen this graph and noticed the sudden jump of Biden's vote total in the early morning on 11/4 in Michigan. You may ...
1 comment:
12/20/20

Pennsylvania Election Night Data Irregularity

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This is the plot of vote counts from Pennsylvania presidential race.  The data came from Edison Research, which was used by virtually all ma...
5/10/20

Healthy lifestyle and life expectancy

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This is a summary of the Harvard study: Healthy lifestyle and life expectancy free of cancer, cardiovascular disease, and type 2 diabetes:...
4/10/20

Extracting video from blob url

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First press F12, then select Network tab. reload page, then play video.  You should see a file called playlist.m3u8.  Right click it then co...
4/9/20

Disable ubuntu update manager, timer from command line

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On command lines: sudo systemctl disable apt-daily.timer sudo systemctl disable apt-daily-upgrade.timer then edit 2 files: sudo vi /e...
4/4/20

Creating Time Lapsed video from dashcam videos

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Time lapsed video are usually create from photos.  Here's how to create one from dashcam videos. First move all videos into a single fo...
9/3/19

Tornado vs Starlette in 2019

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For the last 10 years I have been using mainly   Tornado  as my web framework of choice.  And I mostly use it synchronously.  Only when deal...
1 comment:
12/19/17

DrJava Font Size Problem

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I'm helping my son learning Java. One of the first things to do when learning Java is picking an IDE. I like DrJava for its simplicit...
19 comments: