Tag Archives: JavaScript

TWSL Tech Series 02: Three.JS and WebGL

Posted on July 20, 2023 by R.P. Churchill

Today I gave this webinar for the Tom Woods School of Life Lunch and Learn Series. The slides are here.

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Course Wrap-up: JavaScript: Understanding the Weird Parts

Posted on April 6, 2017 by R.P. Churchill

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

Posted on April 5, 2017 by R.P. Churchill

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

Posted on April 4, 2017 by R.P. Churchill

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

Posted on March 30, 2017 by R.P. Churchill

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

Posted on March 29, 2017 by R.P. Churchill

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 6

Posted on March 22, 2017 by R.P. Churchill

Writing the ending time to each ToDoSlice item is more complex because we have to match to an existing record without benefit of having a unique ID to reference. Instead, we use a combination of the ToDoID index and the … Continue reading →

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To Do List Project: Part 5

Posted on March 21, 2017 by R.P. Churchill

The next step is to make the back end actually write some data to a database using PHP and MySQL. This is the UpdateStartTime.php file. The startSliceAjax function that communicates with this PHP is shown below, just slightly modified from … Continue reading →

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To Do List Project: Part 4

Posted on March 20, 2017 by R.P. Churchill

The five states and four transitions in the AJAX process are: request not initialized server connection established request received processing request request finished and response is ready If we don’t care about trying to trap process errors, assume we’ll always … Continue reading →

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To Do List Project: Part 2

Posted on March 15, 2017 by R.P. Churchill

Today I spent most of my time reading and watching videos. I’m trying to get a feel for matters of style in PHP (wrt endless rows of echo statements vs. raw JavaScript, among other things), revisit AJAX operations, and so … Continue reading →

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