Oracle Tutoring, Campbell River, BC
(250) 203-6544 (text) or (250) 830-0295 (talk)
Self-tutoring about computer science: the tutor mentions depth-first search (DFS). In yesterday’s post I mention breadth-first search. Now, to compare, I continue with depth-first. With depth-first search, if you have three rooms to search, you’ll search everywhere in the first …
Self-tutoring about computer science: the tutor mentions breadth-first search. Let’s imagine you want to search for a book in your three-room apartment. In a breadth-first search (BFS), you’d plan to peek in each room in case it’s lying out where …
Self-tutoring about computer science: the tutor mentions the term arity. arity: the number of inputs a function needs when called. Source: definitions.net
Self-tutoring about computer science: the tutor mentions the concept of serialization. Serialization means producing a string of characters (or perhaps just 0s and 1s) that can be written to a file, so preserved against power loss. That string of characters …
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 …
Self-tutoring about comp sci and internet resources: the tutor mentions a discovery. The right resource is key to solving a problem. Finding a good one, therefore, can be crucial. This morning, researching the non-recursive inorder traversal idea, I found a …
Comp sci: non-recursive inorder traversal: a resource Read more »
Self-tutoring about C programming: the tutor mentions how to get the suffix of a string. People who arrive at C from other languages, possibly JavaScript or C# or Python, might notice that string functions seem a little less represented in …
Self-tutoring about computer networks: the tutor mentions a video he finds helpful. I’ve been reviewing the differences between some network devices – specifically, between hub, bridge, switch, and router. This video on YouTube by CertBros gives a short, simple explanation …
Comp sci: networks: hub vs bridge vs switch vs router Read more »
Self-tutoring about DOS and Unix: the tutor mentions a difference that can be important. DOS end-of-line: \r\n Unix: \n This can cause problems if you receive a file in a Unix environment that was created in a DOS one. Source: …
Self-tutoring about computer science: the tutor notices a difference he finds surprising between Perl and C. Today, my finding is that, with the command-line program call perl f1.pl Hello! Hello! is the zeroth command line argument ($ARGV[0]). I wouldn’t have …