Category: Software Development
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Tracking daily active users (DAU) with Redis
Daily active users, also known as DAU, is the number of unique users that have interacted with a website or application in a given day. We’re going to discuss how to track this metric, in a language agnostic fashion. The concepts discussed and Redis commands utilized can be implemented in…
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How to display a JavaScript array in HTML
From time to time, I see a search query that made it to my blog that piques my interest and inspires a post. This is one such post. How does one take an array (presumably in JavaScript) and display it in HTML? Now in this day in age, I would…
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Splitting strings and keeping the separator in JavaScript
When splitting strings, the majority of the time, I don’t care about the separator (or delimiter), just the strings that exist between it. In JavaScript, that’s very simply with .split(): ‘one,two,three,four,five’.split(‘,’); Which will yield an array of strings like this: [‘one’, ‘two’, ‘three’, ‘four’, ‘five’] Great! But if we want…
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Downloading files in Node.js with Axios
I’ved used Axios a ton, but I’ve only ever used it to make AJAX requests. In fact, I don’t ever remember a time when I’ve needed to download a file and save it to disk in Node.js. That changed recently with a new side gig I’ve been helping out with….
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Best way to pin TypeScript as a dependency
While I’m a pretty big fan of TypeScript, there’s some stuff that drives me up a wall. One of those things recently came to light during the release of TypeScript 4.4 on a Friday afternoon. So it was nearing both end of day and end of week, and we were…
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Remove unnecessary files in node_modules
As the meme goes, the object with the largest mass in our universe is the node_modules directory. Generally speaking, storage is cheap, and while an unkept set of dependencies can be quite messy (and often times a security hazard), the size of your node_modules directory tends to not be of…
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Debugging an AWS Lambda that stopped working
My wife and seed would agree that talking about AWS Lambdas are in my “big three” of things to not shut up about, along with fishing and professional wrestling. Regardless, I do love them so (both the Lambdas and the fam bam). As I’ve grown to use them more and…
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Setting an authorization header when using file_get_contents with PHP
Going through some of my old lists of blog post ideas this weekend. While it’s not something I’ve needed for a minute, it’s still something worth taking about. How to set an authorization header when using PHP’s wonderful file_get_contents() method. Similar to an old post of mine talking about specifying…
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Find unused npm dependencies
As much as I love to sling code, I love that we live in a world where you can stand on the shoulders of giants and easily leverage other people’s hard work by way of Open Source libraries. Simply referred to as “dependencies”, these little code gems can save a…
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Repeating Strings in JavaScript
While cleaning up some of my old notes today, specifically stuff I jotted down that would make for a good blog topic, I happened upon the topic of repeating strings in JavaScript. Things are really easy in ES6+, but if you happen to still support Internet Explorer for some crazy…