Category Archives: IT

IT related

Migration of core server (V1) to a new server caused an error in updating articles containing 4B code (utf8mb4) such as emojis, and SQL is not available in phpMyAdmin

⌛Time it takes to read this article: 2 minutesOn the core server (V1), after migrating to the new server, when updating an article containing 4B code (utf8mb4) such as emoji, the error "Update failed. Could not update database post." . I will explain how to solve it.

Why the WordPress plugin XML Sitemaps had an error when pinging Bing, and a subsequent update required the setting of the Google Analytics tracking ID.

⌛Time it takes to read this article: 2 minutesWe will explain in detail why the WordPress plugin XML Sitemaps caused an error when pinging to Bing, and why it became necessary to set a Google Analytics tracking ID after a subsequent update.

Waste product Replace the HDD of a Windows XP laptop computer (MSI U100 / memory expansion) with an SSD and install Windows 10.

⌛Time it takes to read this article: 3 minutesThe HDD of the low-spec old notebook computer "Wind Netbook U100" (memory has been added to 4MB) of Windows XP manufactured by MSI of Taiwan released about 10 years ago was replaced with an SSD and renovated to a Windows 10 machine.

Added Twitter (X) tweet mini button to social buttons in WordPress theme of homepage builder (HPB)

⌛Time it takes to read this article: 14 minutesA tweet mini button for Twitter (X) has been added to the social buttons of the WordPress theme of the homepage builder (HPB). There is no need to change the Java script, just add the button image and change the PHP program. It also supports the management screen.

Rakuten Mobile has MNP to Myneo's great plan, My Soku, and once again signed with Rakuten Mobile, it's worth 990 yen when you own two Android and iPhone devices!

⌛Time it takes to read this article: < 1 minutesI have MNP from Rakuten Mobile to Myneo's great plan, My Soku, and once again signed with Rakuten Mobile, I have two Android and iPhone devices. Instead of using the extremely slow mode during weekday lunchtimes, "My Soku" is a plan that allows you to use unlimited packets at a speed of 1.5Mbps during other times.

Ubuntu installed on VirtualBox to replace REGZA HDD, using "REGZA HDD Easy Copy" to copy the entire program data to the new HDD

⌛Time it takes to read this article: 3 minutesTo replace REGZA's HDD, I used "REGZA HDD Easy Copy" on Ubuntu installed in Oracle VM VirtualBox to copy the entire program data to the new HDD. In this article, we will explain how to operate each process.

I got drunk and dropped the au smartphone "Galaxy S9+" equipped with Rakuten Mobile's SIM, and the liquid crystal cracked, so I changed the model to "Galaxy S10+" in a hurry.

⌛Time it takes to read this article: 2 minutesI got drunk and dropped au's smartphone "Galaxy S9+" with Rakuten Mobile's SIM installed, and the liquid crystal cracked, so I changed the model to "Galaxy S10+" in a hurry. In this article, we will also explain the process of model change using Smart Switch.