Day Program September 2020
Oracle Tutoring will offer a day program to commence after Sept 1: Middle to high school levels Emphasis on math and academic subjects Help with online courses
Home computer use: Ctrl-Break?
Self-tutoring about computer use: the tutor mentions the Break key. I read the instruction to stop an app by the combination Ctrl-Break. Trouble is, this computer’s keyboard doesn’t have a Break key. What to do? Apparently, Ctrl-C can accomplish the …
Python: ‘batteries included’
Self-tutoring about Python, but also life: the tutor reflects…. I’ve been working on a second degree the past couple of years. I’m done now, but for a work experience course. I’ll share more about that in coming posts. One language …
Python: shallow copy vs deep copy
Self-tutoring about Python: shallow copy vs deep copy. A deep copy is a new object: if you change its source, the deep copy won’t change. However, if you change the source, a shallow copy will change with it, if the …
Philosophy: problem solving
Self-tutoring about problem solving: the tutor relates a quick story. We have rechargeable phones for our land line: the set came with four phones and three recharging stations. We bought it years ago. Gradually, the phones started to resist recharging. …
Retrospect: the mansion
Self-tutoring about people and events from the past: the tutor mentions the mansion. Back in the Annapolis Valley, I didn’t live on the base; we lived in a village near it. Many of the local kids had lived there all …
Java: servlets and web.xml, part 0
Self-tutoring about servlets: the tutor mentions an observation. If there’s the slightest mistake in the web.xml file (tomcat server), you might discover that not only the servlets don’t work, but the tomcat server won’t serve anything at all, not even …
Retrospect: “super pills”
Self-tutoring about people and events from the past: the tutor reflects… When I moved to the base on PEI in summer ’76, it started out really fun. As I’ve hinted elsewhere, the air slowly escaped from the balloon, but it …
Comp Sci: Java: a bit about classpath
Self-tutoring about Java: the tutor mentions classpath. It might properly be called CLASSPATH. It’s where Java will search for the class you want it to run. Yet, if you’re running a Java program from the command line after compiling it, …
Comp Sci: Java: a bit about abstract classes
Self-tutoring about Java: the tutor mentions a couple of ideas about Java abstract classes. There are numerous Java versions out there, not all of which necessarily agree on everything. Herein I’m sharing my own experience. In Java, an abstract class …
Food: radishes and radish greens, part 2
Self-tutoring about food: the tutor mentions how the radishes and radish greens worked out. In yesterday’s post I begin about radishes and radish greens. What did I do with them? First, I looked up whether radish greens are edible. Apparently, …