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Author: Jack

Retrospect: people I recall, continued….

By Jack Posted on August 1, 2020 Posted in retrospect

Self-tutoring about people who stand out in memory: the tutor mentions one from his past. I met many characters at university, including my wife. Most people at university were there to get a career. There were others, however, whose motivation …

Retrospect: people I recall, continued…. Read more »

Internet: VPN blocking access to some associated sites?

By Jack Posted on July 30, 2020 Posted in internet

Self-tutoring about internet access: the tutor mentions a problem he had and a possible cause. An institution I visit often (via the internet) has its big, main web location (comprising many sub-sites) plus a VPN I use to reach one …

Internet: VPN blocking access to some associated sites? Read more »

pl/sql: how to write an apostrophe?

By Jack Posted on July 30, 2020 Posted in pl/sql

Self-tutoring about pl/sql: the tutor mentions a way to enter a single quote. With pl/sql, strings are enclosed in single quotes. So how can one write an apostrophe? A solution seems to be to write two apostrophes: ‘It”s working!’, for …

pl/sql: how to write an apostrophe? Read more »

Physics: how x-rays are generated

By Jack Posted on July 28, 2020 Posted in physics

Self-tutoring about physics: the tutor looks at x-ray generation. One type of x-ray generator is a vacuum tube containing a heated plate at one end, and the receiving plate at the opposite end. Around the outside of the tube, the …

Physics: how x-rays are generated Read more »

Canadian geography: feral horses in Alberta

By Jack Posted on July 27, 2020 Posted in Canadian geography

Self-tutoring about the idea of feral horses: the tutor mentions the Alberta ones. The idea of horses living as wild animals is, to me, very appealing. I don’t imagine I’m alone. Horses as we know them don’t, to my knowledge, …

Canadian geography: feral horses in Alberta Read more »

English: transitive vs intransitive

By Jack Posted on July 26, 2020 Posted in grammar

Tutoring English, a key idea may emerge any time. The tutor brings up transitive and intransitive. A transitive verb implies two entities: someone who performs the verb, but also its receiver. For instance, in the sentence [Suzie eats a snack.], …

English: transitive vs intransitive Read more »

Outdoor living: snake bites

By Jack Posted on July 24, 2020 Posted in outdoor living

Self-tutoring about outdoor living: the tutor mentions a reference about snake bites. Recently, out of the blue, I got an email from someone, mentioning a resource. They thought I might be interested, so I took a look. To my knowledge, …

Outdoor living: snake bites Read more »

English: spelled and spelt

By Jack Posted on July 23, 2020 Posted in spelling

Tutoring English, you encounter words you’ve heard for decades, but not seen in print. The tutor mentions spelt. I’ve heard people say spelt as past tense of spell, as in “I didn’t know that word is spelt that way.” Yet, …

English: spelled and spelt Read more »

Weight loss: a progress report

By Jack Posted on July 22, 2020 Posted in weight loss

Self-tutoring about weight loss: the tutor gives an update about his own effort. I reached 195 pounds a few weeks back. Yet, around 2 years ago, I was 165 pounds (and looked great). Reaching 195, I’d had enough, so started …

Weight loss: a progress report Read more »

True crime: Jeffrey Dahmer

By Jack Posted on July 21, 2020 Posted in true crime

Self-tutoring about famous criminal cases: the tutor reflects about an interview of Jeffrey Dahmer. When I was in my early 20s, Jeffrey Dahmer was arrested, which was big news. Serial killer, cannibal, yet very unassuming and even charming, Jeffrey Dahmer’s …

True crime: Jeffrey Dahmer Read more »

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