[Li|U]nix: how to get your uid
Self-tutoring about using Linux: the tutor mentions a way to find your own uid. Set a task going such as sleep 360 & & in the command above puts it to the background so you can still run the terminal. …
Month: February 2021
(Li|U)nix: the dot command
Self-tutoring about (Li|U)nix: the tutor mentions another neat command. The “dot” is just a period. A simple example of the dot command is . file0 If file0 contains Unix commands, they will be executed. Interestingly, with the dot command, file0 …
Linux: tr command
Self-tutoring about Linux: the tutor mentions its neat tr command. tr target replacement is one form of tr, with input being piped to it or redirected to it. For instance, tr “8” “9” < infile.txt will display the file infile.txt …
Retrospect: can’t
Self-tutoring about people and events of the past: the tutor reflects…. At my school grades 4-7, the gym was definitely central. Sports events were popular, and of course every kid had to take PE class, athletic or not. I wasn’t …
Biology: frugivorous
Self-tutoring about biology: the tutor mentions the term frugivorous. frugivorous: having a diet mainly of fruit. Source: merriam-webster.com
Vocabulary: inveigh
Tutoring English, new words are always interesting. The tutor mentions inveigh. inveigh: to strongly disapprove or condemn. Source: Gilmour, Lorna (editor). Collins Essential Canadian English Dictionary and Thesaurus. Glasgow: HarperCollins, 2006.
Visual Studio 2019: scaffolding error
Self-tutoring about using Visual Studio 2019 with .net Core: the tutor mentions a problem he ran into and what fixed it. I tried scaffolding but it wasn’t working. Then I made a new project. This time, on the “Create a …
Computer science: a bit about regex anchors
Self-tutoring about regular expressions: the tutor mentions a possible misstep. It’s true that, typically, in regex, ^ means beginning and $ means end – particularly outside of []. Consider the string s1: “Hello there Smedley!” The pattern ^there$ won’t find …
Home computer use: PrintScreen
Self-tutoring about keyboard shortcuts: the tutor mentions PrintScreen. Yesterday I watched someone press the “Prt Scr” (PrintScreen) key, expecting the printer to start up to produce a screenshot. It didn’t quite work out that way. In fact, though, pressing the …
Bird watching: varied thrush, revisited
Self-tutoring about birds: the tutor mentions a favourite, the varied thrush. I’ve written a couple of posts about varied thrush, a year-round resident on Vancouver Island. Possibly similar to the Steller’s jay, the varied thrush is more visible certain times …