Oracle Tutoring: Fall 2021
Considering fall tutoring? The tutor mentions some details…. Fall 2021, Oracle Tutoring will continue with the online format. Price: $50/hr, one-on-one Subjects: math, sciences, English Students of all ages welcome.
Geography, retrospect: tidal wave
Self-tutoring about geography: the tutor mentions the idea of a “tidal wave.” Back when I was a kid, “tidal wave” meant a big wave. They came to be associated with danger. I never thought of the literal meaning of “tidal …
Philosophy: “Can’t get there from here”, part0
Self-tutoring about life: the tutor reflects on the concept of closed doors. REM said “Can’t get there from here,” back in 1985. It’s a quote I’ve seen around, mainly in the 90s. I’ve often wondered what it means. Geographically, I’ve …
Business: Bitcoin: smallest unit
Self-tutoring about cryptocurrencies: the tutor mentions the smallest unit of bitcoin currently defined. With a bitcoin worth perhaps $75K, how can you buy ordinary things with it? By using subdivisions of it, of course. The smallest bitcoin unit, so far, …
Comp sci: static methods
Tutoring computer science, static methods can arise. The specific language does provide meaningful context in how a programmer perceives static methods. However, the general idea is that a static method can be invoked from the class itself rather than needing …
Canadian history: When did John A. Macdonald become Sir?
Self-tutoring about Canadian history: the tutor mentions a question that occurred recently. I can’t recall hearing “John A. Macdonald”; rather, always “Sir John A. Macdonald.” When did he receive his knighthood? John A. Macdonald was awarded knighthood on June 29, …
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Nature: Penguins: how far north do they live?
Self-tutoring about penguins: the tutor learns they live beyond the Antarctic… Believe it or not, some penguins live in the tropics – on the Galapagos Islands, for instance, which are situated at the equator. Yet, they only live, really, in …
Health and fitness: daily weight fluctuation
Self-tutoring about weight and health: the tutor looks into daily weight change. Sometimes my weight changes by 8 pounds from day to day. When you think of 187, for instance, as too heavy, but 179 as thin, a fluctuation of …
English: till for until?
Tutoring English, everyday usage is interesting. The tutor mentions till. The 80s band ‘Til Tuesday spelled their name that way, but could it properly have been Till Tuesday, as well? Yes: apparently, till is a proper word meaning until. Source: …
Nature, design: why are eggs smaller at one end?
Self-tutoring about natural design: the tutor mentions a find about eggs. The asymmetrical design of eggs is intriguing and can be a challenge to depict. What is the advantage of being egg-shaped? It turns out that, in the nesting context, …
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Comp Sci: code motion
Tutoring computer science, its own terms arise. The tutor mentions code motion. Code motion refers to evaluating a sentry value once, outside a loop, then storing the value in a variable which will be used for the test in the …