Panasonic EX750 Setup
Panasonic TV is great in terms of price-performance. To release the full potential, it is probably required to adjust some default settings to fit one's own taste and environment. Issue:…
WordPress Duplicator Plugin Server Error 500
Issue: During scanning stage of running the Duplicator plugin on a WordPress site, there was an error: Server Error 500. Solution: Modify /etc/php.ini file to increase memory: memory_limit = 256M…
WP Fastest Cache Plugins Update Issue
Issue: After installing WP Fastest Cache plugin, whenever update any plugin, there is error - Update failed. Could not remove old plugin. Solution: Go to WPFC at the top bar…
Cannot Change Ownership on NFS Files
Issue: After moving mounted volumes from Qnap NAS to iMac as host with CentOS as client, the directory and file ownership cannot be changed to Apache at the client side. No matter…
hsla HTML Color Scheme
Just learnt how to use hsla (hue, saturation, light, alpha) html color scheme from Castro's HTML5 and CSS3. I found it's beauty that it is more logical to think of various…
Scrolling to Section ID Missing
Issue: When moving some of the content to a single page design, the menu link will be addressing the div id instead of another page. But after all set up…
WooCommerce Showing Unmatched Variations
Issue: error: "Sorry, no products matched your selection. Please choose a different combination." WooCommerce in WordPress shows all variations of variable product including unmatched variations thus the above error message may…
WordPress Custom CSS Disappear
Background: It is quite terrifying if suddenly all the custom CSS disappear and you do not have a backup of the text of the custom CSS that is not just one or…
Fix WiFi Range Extender Performance Issue
Issue: Netgear EX6120 Range Extender connection to router initially with acceptable signal strength, then suddenly it dropped to low level around 6Mbps. Solution: Set channel of the WiFi router from…
MathJax Incompatibility to LaTex
Issue: "Error: Missing argument to \begin" when using \color command and together with \boxed command in WordPress with MathJax plugin as if they are under LaTex syntax. Solution: Adding {}…