Oracle Tutoring, Campbell River, BC
(250) 203-6544 (text) or (250) 830-0295 (talk)
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 …
Self-tutoring about C programming: the tutor mentions a resource. I needed to create a very long string, many lines, in a C program. I didn’t know how. Apparently it can be done thus: char theString[]=”One line.” “Two lines.\n” “Three lines.\n” …
Self-tutoring about computer design: the tutor comments on what “multiple cores” means. As I understand, the benefit of a multi-core processor is that each core can work its own job simultaneously with the others. However many cores there are, that’s …
Computer science: significance of multiple cores Read more »
Self-tutoring about comp sci terms: the tutor mentions metadata. Metadata is data about a source of data, such as a file or book. Its metadata includes title, creation date, author (owner), and length. A computer file’s metadata also includes permissions …
Self-tutoring about computer systems: the tutor shares a term. vfat, apparently, is a file system type of which fat32 is a variety. stackoverflow.com