July 2023

Swiper.js is a customizable JavaScript library that allows you to modify the design using CSS variables. This article describes examples of using custom variables in Swiper.js.

This section explains how to use CSS to make text vertical and also rotate it 90 degrees. This is accomplished by combining two CSS properties: writing-mode: vertical-rl; and text-orientation: sideways;. Note, however, that some properties are not supported by all browsers.

Bootstrap’s grid system is used to divide content into columns. Sometimes, however, you may want to create new rows. One way to accomplish this is to use the w-100 class. This class sets the width of the element to 100%, resulting in the next column being pushed out into a new row.

HTML data attributes are a convenient way to add custom data to an element, but attribute names cannot contain uppercase letters. This is due to HTML specifications; if you use attribute names that contain uppercase letters, the browser may not recognize them correctly. This article explains why and how to resolve this issue.

Due to delays in rendering ACF Blocks, there can be problems applying JavaScript scripts. To solve this, you need to initialize your scripts using the ACF action hook ‘render_block_preview’. This article details how to do this.

Even if CSS line-height: 1; is set, there may be margins above and below some elements. This is the result of including not only the height of the text but also the height of the entire line. One way to remove such margins is to apply negative margins to the: :before and::after pseudo-elements. However, negative margins should be used with caution.

The iPhone’s “Reduce parallax effect” setting may affect Bootstrap’s transition effect. To resolve this issue, set the relevant section of Bootstrap’s SCSS configuration file “_variables.scss” to false. However, to respect the user experience, this setting change should be done carefully.

When BrowserSync does not work, first check to see if the source code has been rewritten in an unintended way. In particular, BrowserSync will not function properly if unintended characters are mixed in at the beginning of the HTML.

If the colspan attribute does not work on the td element of a table, this section explains the causes and countermeasures. applying CSS display: flex; to the td element may change the behavior of the table cell, so a wrapper element is created inside the table cell to apply display: flex;. flex; inside the table cell.

If an image cannot be converted to WebP format, the image may be in CMYK color mode. This article explains how to check the color mode of an image and convert it to RGB mode.

Since the user agent has changed for the iPad OS, it may not be recognized as an iPad by the conventional JavaScript-based device determination. This section describes how to resolve this issue.

Describes how to resolve a problem with touch screen devices such as the iPhone that requires two taps on the a link to get a response.

This section describes how to configure the PHP Nginx PHP-FPM environment to resolve the “504 Gateway Time-out” error.

Describes how to avoid timeouts when importing large amounts of data into WordPress.

This article describes how to deal with file size check errors that occur with the Attachment Importer plugin.

This article describes an issue that causes conflicts between Bootstrap5’s default smooth scrolling settings and jQuery’s smooth scrolling feature, and its solution.

This article explains how to use JavaScript to determine the use of the back button and how to navigate within a site. This information can be used for features such as opening skips, for example.

This section describes how to prevent layout shifts using the flex-shrink property of Flexbox. In particular, setting the value of flex-shrink to 0 reduces the possibility of layout shifts.

Provides a solution to the problem of YouTube not playing properly when returning with the browser’s back button by using the onPlayerStateChange event to play the video.

How to use PHP global variables in header.php or function.php and its advantages.

Provides a solution to the problem of not being able to retrieve taxonomy items with get_terms. By setting specific arguments, this problem can be easily solved.

Provides an easy way to solve the problem of visible borders on button clicks in Bootstrap 5.

Provides a solution to the problem of the first tap not responding when loading a screen on the iPhone; simply change the settings in Instagram Feed Pro to solve this problem.

This section describes the compatibility issue between WP Retina and Responsive Image method and its solution.

This section describes the problem of webp format images not being displayed in the local environment and how to resolve it.

This section describes a problem with the fibers package causing errors in Node.js version 16 and how to resolve it.

This section describes the problem of images in the flex view being stretched vertically in Safari on iOS and how to resolve the problem.

This section describes problems with disabling and removing the WordPress plugin “Accept Donations with PayPal” and how to resolve them.

This section describes the WP_Query settings for pagination on fixed pages.’ If you set ‘no_found_rows’ => true, pagination may not be displayed.

This section explains how to deal with the case where yum is locked and cannot be updated after forcibly terminating yum update. Specifically, force termination of the relevant process and deletion of yum pid file.