Programming & Coding

NOTES: 2021-04-26 | Notes on LinkedIn Learning PHP Videos

These notes are continued from this post. How to Retrieve Data from a MySQL database with PHP (with mysqli) Best practice: Always free result and connection when done. db_connect_guide.php // Credentials $dbhost = ‘localhost’; $dbuser = ‘webuser’; $dbpass = ‘secret’; $ dbname = ‘globe_bank’; // 1. Create DB Connection $conn = mysqli_connect( $dbhost, $dbuser, $dbpass, …

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NOTES: 2021-04-26 | Thoughts on PHP and Life

I have all these PHP snippets on my desk of things I learned taking Linkedin Learning PHP courses. I took a 4-hr long coding test for a remote PHP/LAMP Developer job with the Huntsville, AL branch of NASA. I was excited for the opportunity, but learning I was lacking on all kinds of modern programming techniques, …

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PHP Fatal Error: Call to Member Function on Array

Description & Purpose In this post I discuss how I troubleshot a simple object-oriented (OOP) PHP program that had array and class issues. Yesterday I began taking a course on LinkedIn Learning callled PHP: Object-Oriented Programming (OOP) because I want to refresh my OOP knowledge and fill in any blanks in my understanding. I got …

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Code Sample: JavaScript ES6 – Scrape OneTab Links (2018)

Here is a program I wrote in 2018. It usues vanilla JavaScript ES6 to scrape and parse links on a OneTab bookmarks page and outputs the results as HTML. While the resulting JavaScript document isn’t a web page, per se, it can be copied into an HTML document and saved. (also on GitHub) /* Program …

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Quick Tip: Download Entire Playlist with Youtube-DL CLI

This is just a quick tip or note about code to use to download entire video playlists from YouTube. I find this software very useful because you never know when a playlist you’ve bookmarked is all of a sudden going to be removed. In some cases — before I discovered this software — I found …

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Troubleshooting WAMPServer Won’t Start on Windows 10

WAMPServer doesn’t work. I launched the application from the taskbar in Windows 10, but the “W” in system tray doesn’t turn green, it just stays red. There is also an error when I hover over the W: Local server – None of 2 services running SEARCH TERMS I TRIED Here are some search terms and …

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Evolus Pencil Quick Tip: How to Group Items (Especially Sketchy GUI)

What is Evolus Pencil? Evolus Pencil (not to be confused with Apple Pencil, Pencil Sketch, or Pencil Code) is a great open source mockup and design application for Windows. It is has an easy to use drag-and-drop interface and it’s closest competitors are probably Microsoft PowerPoint, Google Slides, and charting applications like draw.io and LucidChart. …

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Regex Tutorial: Converting Dates in Filenames With Bulk Rename Utility (Perl PCRE)

Regular Expressions (Date Matching and Conversion) – Perl 5 and Bulk Rename Utility. I occasionally find myself modifying my digital photo naming convention, and subsequently end up having to rename a lot of photos (thousands!). The best program that I have found for renaming is called Bulk Rename Utility (BRU). BRU is lightweight, powerful, and …

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WordPress Tutorial: Update Plugins, Themes, and WP Core

This WordPress administration tutorial is for self-hosted WordPress websites and is intended to teach users how to easily and quickly update plugins, themes, and WordPress core (what we mean when we say “install WordPress”). In the video I show you several ways to update plugins, themes, and one way to update core. Also, I show …

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WordPress Tutorial: How to Install, Configure, and Remove Plugins

This WordPress administration tutorial is for self-hosted WordPress websites and is intended to teach users how to install, configure, and remove WordPress plugins. Plugins are extra modules that you can add to your WordPress website to enhance functionality. WordPress core is an awesome framework for easily creating and maintaining your own website. But, core can …

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