Retrospect: Heath
Self-tutoring about people and events from the past: the tutor reflects…. I met Heath back in grade 4, the late spring day the whole school went to a track meet except us (see my earlier post here). Heath was an …
Author: Jack
comp sci: php regular expression: case insensitivity
Self-tutoring about regex: the tutor looks into case insensitivity with PHP. From my experience, (?i) makes a php regex match case insensitive. The insensitivity starts from where (in the regex pattern) (?i) appears. Source: stackoverflow.com
Comp Sci: .net (aka dot net) programming: case insensitive regular expression
Self-tutoring about dot net programming: the tutor mentions case insensitivity in regex. In my experience with dot net forms, (?i) starts case insensitivity in a regular expression. If you want the whole pattern to be matched without case sensitivity, just …
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Coincidences: I look like George
Self-tutoring about life and coincidence: the tutor relates a funny story. To protect the name(s) of the innocent, the name used wasn’t actually George. Yet this did really happen. The other day I was walking by a high school. Outside …
Web programming: cross-origin blockage with getImageData or putImageData
Self-tutoring about how to deal with cross-origin denial: the tutor mentions a workaround. I was experimenting with html canvas, specifically getImageData and putImageData, when I got a cross-origin complaint. The computer wouldn’t execute either getImageData or putImageData because, from its …
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Health and fitness: sudden knee pain w/o injury
Self-tutoring about a bizarre event concerning my right knee: the tutor tells a story. I don’t expect people to believe this story because to me, it barely makes sense. Yet, it happened: here it is: Last Thursday and Friday my …
Comp-sci: fantastic JavaScript
Self-tutoring about programming languages: the tutor mentions a neat feature of JavaScript. Scripting languages are great because they can do so much with so little. Therefore, Perl and Awk are a couple of favourites. What about JavaScript? Let’s say , …
Web friends, Spider identification: a reply
Self-tutoring about spider identification: the tutor mentions an article he was suggested. Regrettably, I don’t have time to surf the web for good blogs and posts, but hope to, one day. I know there’s great stuff out there that I’m …
Insurance terms: what is copay?
Self-tutoring about insurance: the tutor mentions the term “copay.” Yesterday I was looking into my son’s dental plan and encountered the term “copay.” I looked it up. My understanding is that “copay” means the portion the insured pays, while the …
Comp Sci: (Li|U)nix: regular expressions part5: grep -P
Self-tutoring about grep and regex: the tutor explores grep -P: P is for Perl. When it comes to regular expressions, it’s hard to beat Perl. grep -P supports Perl regular expressions, but it’s noted as “experimental.” I tried it today …
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