Perl self-tutoring: the tutor mentions the ternary operator. Let’s imagine the variable $v0 is not defined, and therefore false from Perl’s point of view. $v0 ? print ‘defined’ : print ‘not defined’ will output not defined. a?b:c is known as…
Perl self-tutoring: the tutor mentions the ternary operator. Let’s imagine the variable $v0 is not defined, and therefore false from Perl’s point of view. $v0 ? print ‘defined’ : print ‘not defined’ will output not defined. a?b:c is known as…
Tutoring English, a specific question arises: the tutor investigates if hilarity can pluralize to hilarities. In my Feb 14 post I use the word hilarities, which the spell-checker doesn’t like, though it’s happy with hilarity. So, is the word hilarities…
Self-tutoring about baking: the tutor follows up about his attempt at red velvet cake. On February 8 I talk about red velvet cake and my decision to make it. My wife arrived as I was blending the icing. Seeing the…
Tutoring English, you never run out of material. The tutor shares an observation – will it be relatable? relatable (adj): 1. sensibly connected to some other event or state; 2. understandable by others. The word relatable is listed by a…
Tutoring English, some hilarities just present themselves. Numbskull can also be spelled numskull, according to two dictionaries I’ve checked. Who knew? Source: Mish, Frederick C (editor). The Merriam-Webster Dictionary. Springfield: Merriam-Webster, 2004. Gilmour, Lorna (editor). Collins Essential Canadian English Dictionary…
Self-tutoring about snow clearing: the tutor mentions an idea he tried. I’ve never heard of anyone’s waxing a snow shovel. Yet, this morning, the idea came to me. I was using a deep shovel. When I would throw the snow,…
Tutoring Perl: the tutor gives an example of Perl’s fantastic map function. Suppose you have the array (1,2,3,4), but you want to musically enhance it to (and a 1, and a 2,….) @arr=map {‘and a ‘.$_} (1,2,3,4); yields @arr =…
Self-tutoring about PHP: the tutor looks into the hazard of register_globals. In PHP, register_globals, when set to 1 (or on), could allow variables to be created and set from within web requests. In particular, if a variable was uninitialized in…
Perl tutoring: the tutor compares a greedy match with its corresponding lazy one. argument greedy lazy e2ee9a /e\w*\d/ /e\w*?\d/ match e2ee9 e2 Source: roberts perl tutorial McGrath, Mike. Perl in easy steps. Southam: Computer Step, 2004.
Self-tutoring about point of view: the tutor mentions a discussion with his son. Returning from the gym this morning, my son mentioned Eddie Hall. “He dead-lifted 500kg. From the exertion, he forgot his children’s names for two weeks.” I paused,…