Oracle Tutoring, Campbell River, BC
(250) 203-6544 (text) or (250) 830-0295 (talk)
Self-tutoring about SQL Server: the tutor mentions a potential peculiarity. Let’s imagine there’s a trigger that updates a row just inserted. Performing an insert on such a table today, I got the message Query succeeded: Affected rows: 2 Yet, to …
Self-tutoring about the SQL Server query editor: the tutor mentions a hint. I defined a function, but then couldn’t find it. I wondered – was it even defined, or had I accidentally deleted it somehow? The command exec sp_helptext function_name …
Self-tutoring about virtual machines, or VMs: the tutor explains some advantages of them. Virtual means it doesn’t exist in a physical sense, yet it can be thought of, or used, as if it does. In computer science, a virtual machine …
Self-tutoring about web experimentation: the tutor shares an observation. In Developer Tools, I get the ‘cache-control header is missing or empty’ when I load a local file, but not one from a server. I’m under the impression that, when that …
Web programming: ‘cache-control header is missing or empty’ Read more »
Self-tutoring about mobile phones: the tutor mentions executing a factory reset. I mention in my post from Aug 19 how my mobile phone was nearly disabled from constant pop-ups of the message “Unfortunately Google play services has stopped.” Clearing the …
Self-tutoring about people, places, and events from the past: the tutor reflects about a place his sister and he used to frequent. When we lived in the Annapolis Valley, my grandparents lived about 7 miles away, in a slightly bigger …
Self-tutoring about people and events from the past: the tutor mentions someone he never knew. Ages 11-13, I started going to a video arcade. They were the rage then; in a way we were lucky to have one in such …
Self-tutoring about JavaScript: the tutor continues about objects and the prototype connection. It’s my understanding that in “old” JavaScript, you could have objects but they were defined using a constructor function, such as function theObj(the_name){ this.name=the_name; } var myObj=new theObj(‘Smedley’); …
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.
Self-tutoring about JavaScript: the tutor begins about its prototype concept. Whether JavaScript has always been truly object-oriented I will discuss over a few posts. Suffice it to say it’s changed a lot over the years to become more similar, syntactically, …