The tutor continues about Perl’s handling of time. In yesterday’s post I began about Perl’s time utilities. Besides localtime, there is simply time. It returns the number of seconds since January 1, 1970 on the Windows system I use, …
Tutoring computer science, you need to discuss the built-in functions of the language(s) you use. The tutor opens a discussion about Perl’s handling of time. Perl, apparently a language meant to process data in large organizations, has a few built-in …
Tutoring computer science, small details can be very meaningful. The tutor brings up an important one about Perl array referencing. Back in my Oct 4 post, I introduced a Perl program that searches a grocery list for olive oil. …
Tutoring math, a likely destination of some of your students is computer science. The tutor continues coverage of the Perl language, which seems flush with simple solutions to programming problems…. In yesterday’s post, which was about Perl subroutines, I …
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The tutor continues about programming with Perl. Tutoring computer science, subroutines have both theoretical and practical importance. Back in my November 14 post I opened up the discussion on subroutines. In computer science, a subroutine is a self-contained body …
Tutoring programming, conversions between strings and arrays are relevant. The tutor shows an easy way to do it in Perl. Converting a string to a character array is a common task in small programs, especially ones that accept user …
Perl programming: string conversion to character array Read more »
Tutoring computer science, a tenet you need to impart is the use of loops to accomplish repetitive tasks. The tutor introduces the while loop. Every programming language I know of has a “while” loop. A while loop begins by checking …
Tutoring stats, you discuss the median. The tutor introduces a Perl program that finds it. I defined the median back in my May 6 post. It’s preferred over the mean in some realms; I’ll explore the reason another time. Today, …
Tutoring, you often straddle a couple of generations. The tutor reaches back to an old programming tradition…. When I was a kid in the early 80s, computers were very new to have around. To make them more appealing to the …
Tutoring Perl programming, you are aware of so many little tricks Perl contains for doing specific tasks. The tutor shares a fun one. I recall, when I was a kid, a common trick to show off was to fill …