A Full List of WordPress URL Rewrite Rules – A Completed Guide
If you plan to create a custom url rewrite url in wordpress, you may need to know current url rewrite rules in wordpress. In this tutorial, we will list all of them.
WordPress get_term_by(): Get Category and Post Tag by Slug – WordPress Tutorial
In this tutorial, we will introduce how to get wordpress category and tag by their slug using get_term_by().
Convert GIF to Animated WebP Image Using Python Pillow
The size of an animated gif image is usually large. In order to reduce the size of it, we can convert it to an animated webp image. In this tutorial, we will introduce you how to convert a gif image to an animated webp image using python pillow.
Extract Each Frame of an Animated GIF Using Python Pillow
Each animated gif image contains some frames. In this tutorial, we will introduce how to extract these frames using python pillow library.
Understand Sigmoid Function: Properties and Derivative – Machine Learning Tutorial
Sigmoid function is often used as an activation function in neural network. In this tutorial, we will introduce the properties and derivative of this function.
WordPress posts_where Hook: Customize the Where Clause of WP_Query
posts_where hook can allow us to change or modify the sql where clause before executed by WP_Query. In this tutorial, we will use an example to show you how to use this hook.
WordPress pre_get_posts: Customize the Query Parameter of WP_Query – WordPress Tutorial
WordPress pre_get_posts hook allows us to change the query parameter of WP_Query before starting query posts. In this tutorial, we will introduce how to use it.
WordPress WP_Query Class: Query Posts by Condition
WordPress WP_Query Class allows us to query posts by different query condtions. In this tutorial, we will use some examples to show you how to this class to query posts.
WordPress Shortcode Tutorial – A Beginner Introduction
WordPress supports shortcode, we can use shortcode to improve the function of our theme. In this tutorial, we will introduce how to use shortcode in wordpress.
Fix xml.parsers.expat.ExpatError: XML or text declaration not at start of entity Error – Python Tutorial
We can use python xml.dom.minidom package to parse a xml file. However, you may get this error: xml.parsers.expat.ExpatError: XML or text declaration not at start of entity. In this tutorial, we will introduce you how to fix this error.