Category Archives: Software

Generic Sensor API

On Wednesday I attended a Meetup hosted by Pittsburgh Code & Supply. This particular event was hosted by Brian Kardell (see also here) and was formally titled with the prefix “[Chapters Web Standards]:” I think to indicate that the talk … Continue reading

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“What is a Mutex?”

This was the first question I was asked in an interview sometime around 2006. I didn’t know the answer, which is exceptionally annoying because I’d been using them for years without knowing what they were called. This is a danger … Continue reading

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Course Wrap-up: JavaScript: Understanding the Weird Parts

I finished plowing though Anthony Alicea’s Udemy course, JavaScript: Understanding the Weird Parts, and found it to be quite satisfying. To answer the question left hanging yesterday, yes, the course did describe more details of prototype inheritance, and it did … Continue reading

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JavaScript Inheritance: A Form of Composition

Lectures 53 through 56 of JavaScript: Understanding the Weird Parts discuss more about the creation and manipulation of objects under the hood. I’d seen different aspects of this material previously, which gave me a different take on how to build … Continue reading

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JavaScript IIFEs

The Udemy course, JavaScript: Understanding the Weird Parts, includes 85 lectures. In lecture 45 I finally encountered something meaningfully new, IIFEs, or Immediately Invoked Function Expressions. This construction is unique to JavaScript in an explicit sense, though there is mention … Continue reading

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To Do List Project: Part 10

Right now just plowing ahead with either PHP/MySQL, Bootstrap, or whatever is going to be kind of rote. Make filters, pretty up screens, etc. That would just be practice reps without much hardcore learning. Therefore, once I finish plowing through … Continue reading

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A Simple Discrete-Event Simulation: Part 89

Direct link for mobile devices. I was walking a few miles in the nice weather this evening when two possible solutions popped into my head for the DisplayGroup drag problem I had in the simulation app (where the pointer arrow … Continue reading

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To Do List Project: Part 9

I spent way too many hours not getting something to work that should be simple. I’m sure that I’m missing something obvious but I need to throw in the towel for today and get a post up. The problem is … Continue reading

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To Do List Project: Part 8

Today I began straightening out the calculation of total elapsed time for all slices associated with each To Do item. This work included three components: getting the date/time calculations correct and performed consistently (all on the PHP side and none … Continue reading

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To Do List Project: Part 7

I decided to clean up the Update To Do page I’ve been working with to get rid of the debugging information and to put the navigation menu in a more reasonable location. Losing the debug information was trivial but moving … Continue reading

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