My brother-in-law has a problem with his Windows 7 laptop. He continually sees the pop-up error message, “Windows Explorer has stopped working”, and the desktop would flicker (killing all file explorer windows) as Windows restarts the process. He cannot do anything productive with the malfunctioning machine. He asks me to…
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To perform a clean installation of macOS Sierra (basically, Mac OS X 10.12), I recommend using a bootable USB flash drive containing the macOS Sierra installer. Below are the steps I took to create the bootable USB flash drive and how I used it to install macOS Sierra. Note: The…
Leave a CommentFinal Verdict: I do not recommend the Cleverloop system. At 1.5 years, the cameras started requiring reboots every few days. At 2.5 years, half the cameras die within 12 hours and the others within a day or two, requiring constant reboots. The base station still works fine, but I haven’t…
2 CommentsI had tried out Windows 10 by installing it on a second, bigger 500GB SSD (Solid State Drive) than my existing Windows 7’s 240GB SSD. Having determined that I wanted to permanently move to Windows 10, I decided to move Windows 10 to the smaller drive, overwriting Windows 7. First,…
2 CommentsAs a web developer, have you ever asked yourself whether to use a period or a plus sign to concatenate two strings? The former is used by PHP and the latter by Javascript. If you switch between the frontend Javascript and the backend PHP languages often, you’ll find yourself asking…
Leave a CommentSee my previous post in the unmanaged VPS (virtual private server) series, Automate Remote Backup of WordPress Database, on how to create and schedule a Windows batch script to backup the WordPress database. Update: Let’s Encrypt has made changes that have broken my pre-existing certificate renewal. First, the new certbot…
Leave a CommentIn the past, whenever I needed a web server on Windows, I would install the XAMPP distribution (comes with Apache, PHP, and MySQL) and call it a day. This time, I wanted to use Nginx instead of Apache as the web server. Below are the steps I took to install…
14 CommentsI downloaded a HTML5 and Javascript demo. When I attempted to browse to it, I encountered the infamous “XMLHttpRequest cannot load file:///” error. The latest Chrome (and other modern browsers) won’t allow cross domain (a.k.a. cross origin) communication, which would occur when a page from one website domain attempts to…
Leave a CommentSee my previous post, Subversion Over SSH on an Unmanaged VPS, to learn how to set up Subversion on Ubuntu (running on a DigitalOcean VPS). In this post, we will learn how to create a script to backup the WordPress database and copy it from the server to our local…
Leave a CommentHave you ever taken a vertical portrait video using your iPhone, import it to your computer, find that Windows Media Player will play it horizontally, and gotten a neck crick from holding your head sideways? Since the beginning, vertical portrait videos (tall and skinny) have been unwanted and unsupported, living…
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