Software Engineering in Web Development, Backend Services, and More

Tag: WordPress (Page 150 of 220)

Articles, tips, and resources for WordPress-based development.

Testing in WordPress: Scenarios and Spreadsheets

Testing software is one of those topics that people often talk about, write about (books even), and evangelize during conferences, meet ups, and so on. And rightly so – testing is one of the most important aspects of building something that’s going to be used by others.

Sometimes though, I wonder if we don’t do more talking about testing than actual testing.

By that, I mean we all understand its importance and I’d venture to say that we’re relatively familiar with the tools that are available for testing, but the act of testing in and of itself is kind of a beast:

  • It requires that you install additional software on to your computer
  • It requires that you learn how to write tests using the above software
  • It introduces more code thus more time into a project which doesn’t always translate well for stake holders
  • …and more

In short, there’s a lot working against it. I get it. Even more so, we talk about all kinds of testing – anything from unit tests to beta tests to release candidates and so on. All of these are important and they all have their place, and testing in WordPress is no different.

That said, there’s at least one method of testing that I think is applicable but rarely employed when it comes to creating themes or plugins. It’s an intermediate step of testing that I would say fits between user testing and beta testing: Use case testing (perhaps there’s a better title for it, but that’s what I have for this post).

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Pragmatism in WordPress: On Agility

Dave Thomas, for those who aren’t familiar, is a notable programmer for both co-authoring The Pragmatic Programmer and for running the The Pragmatic Bookshelf company. In my opinion, he’s a fantastic person to follow if you’re into programming of any kind.

A few months ago, I stumbled across an article that he had written (that many of you have read) entitled Agile is Dead (Long Live Agility). It’s a great read for anyone who’s interested, and though I’m not particularly interested in talking about all of the things his article hits on, there are two specific things that I found relevant to anyone who is just getting started writing WordPress code, or who has been writing WordPress code for sometime and may need a refresher.

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Using Ajax in WordPress: Loading Pages

About a month ago, I wrote a post about single page tabbed navigation in WordPress. In the post, I made the following statement:

In some cases, it may be best to load pages via Ajax, in some cases, it’s better to load things up all in the first page load. This particular post is about the best strategies for that (that’s a debate for another post).

And I then I received the following comment:

I am also very interested and awaiting post regarding your take on when to use ajax and when to load it all.

Without context, this is a really broad question and it’s that I don’t think can be answered in a prescriptive way. When you’re trying to paint a solution for web development with broad strokes when each problem is a bit more unique, it’s not easy to provide advice that’s applicable across the board.

But this comment was about a very specific example and a very specific use case.

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A Dilemma of the WordPress Customizer

In the past, I’ve talked quite a bit about the WordPress Customizer. I think it’s one of the best features for both developers, designers, and users because of how quickly it shows the user the result of changes s/he is making to their site by changing a few options.

On top of that, the Customizer has two ways in which the preview pane can load the content:

  1. Ajax
  2. Refresh

That is to say that once the user changes an option, the entire preview pane can be refreshed (or reloaded), or the changes can be performed via Ajax and the page never refreshes.

Generally speaking, I think Ajax is preferable to performing a refresh, but I’ve recently found myself working on a project where I’ve had to mix the two, and I’m not really liking it. Chalk it up to a personality quirk, but I have this “all or nothing” mentality when it comes to how the preview pane displays its changes.

Either all of the options should work via Ajax, or all of the options should trigger a refresh but mixing the two feels off.

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Programmatically Add Multiple Post Terms in WordPress

A couple of weeks ago, I shared a simple gist for how to programmatically add post terms in WordPress. If you’ve read the series on importing CSV files into WordPress, then you’re likely to encounter something like the following scenario:

Given a CSV, apply multiple terms to a single post when the terms are delimited by another character.

So, for example, let’s say that you have a CSV and each value is, naturally, separated by a comma. Within one of the columns, words – or terms, in our case – are delimited by semicolons. Each value that precedes a semicolon represents a term (related to any given taxonomy in the system – this is irrelevant for this particular post).

Adding multiple terms to a post, or post type, is relatively simple and can be based off the functionality already shared.

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