May

18

PBS 78 of X — is.js & Bootstrap Popovers

Filed Under Computers & Tech, Software Development on May 18, 2019 | 2 Comments

This post is part 78 of 92 in the series Programming by Stealth

For boring real-life reasons this instalment is a bit of an intermission. In the previous instalment we learned about so-called call-back hell, and were all set to learn how Javascript Promises would be our liberation, but that’s going to have to wait until next time. Promises are a very important concept, and I don’t want to rush them.

What we’re going to do in this instalment is focus entirely on my sample solution to the challenge set at the end of the previous instalment, which I’ve used as an opportunity to demonstrate two new tools to add to our programming tool belt — the micro-checking library is.js, and Bootstrap Popovers.

You can download this instalment’s ZIP file here.
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May

4

PBS 77 of X — More Callbacks & More AJAX

Filed Under Computers & Tech, Software Development on May 4, 2019 | Leave a Comment

This post is part 77 of 92 in the series Programming by Stealth

My plans for this instalment were to quickly demonstrate so-called callback hell, and then move on to the solution, JavaScript Promises, but in light of some listener feedback I changed my plans a little. There was some confusion in the community about what callbacks really are, so, now seemed like an opportune moment to spend a little time re-familiarising ourselves with some callback basics. This sets things up for a bit of a teaser-ending because we’ll get as far as demonstrating callback hell, but not as far as using Promises to get back out of hell, that will have to wait until the following instalment!

You can download this instalment’s ZIP file here.

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