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Category: Web Development

11 Best Courses to Learn to Create a WordPress Theme or Plugin

Do you want to take your WordPress skills to the next level and learn to create your own themes and plugins? Well, you’ve come to the right place. I’ve compiled 11 of the best WordPress coding courses on Envato Tuts+ to help you do just that. Take a look and be inspired.  1. Designing for WordPress Any great product starts with great design. This is as true for building a house as it is for building a WordPress theme. That’s why the first course on our list is Designing for WordPress. Designing for WordPress introduces learners to the fundamentals...

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New Course: Learn Data Visualization With D3.js

We live in an age of increasing amounts of data and decreasing attention spans. The solution to this conundrum is data visualization: creating elegant charts to help people interpret data quickly and intuitively.  In our new course, Learn Data Visualization With D3.js, you’ll get a complete introduction to the D3.js data visualization library. Markus Mühlberger will show you how to build a whole series of useful and practical infographics. You’ll learn how D3.js uses SVG for drawing and rendering as you practice creating bar charts, area charts, pie charts, and more. You’ll learn how to customize your scales and axes,...

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PHP Integers, Floats, and Number Strings

Working with numbers in PHP seems to be a trivial concept, but it can be quite confusing. It looks easy at first because PHP provides automatic type conversion. For example, you can assign an integer value to a variable, and the type of that variable will be an integer. On the next line, you can assign a string to the same variable, and the type will change to a string. Unfortunately, this automatic conversion can sometimes break your code. There are a lot of types for numeric values as well. In this tutorial, you’ll learn about integers and floats...

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File Upload With Multer in Node.js and Express

When a web client uploads a file to a server, it is generally submitted through a form and encoded as multipart/form-data. Multer is middleware for Express and Node.js that makes it easy to handle this multipart/form-data when your users upload files.  In this tutorial, I’ll show you how to use the Multer library to handle different file upload situations in Node. How Does Multer Work? As I said above, Multer is Express middleware. Middleware is a piece of software that connects different applications or software components. In Express, middleware processes and transforms incoming requests to the server. In our case, Multer acts...

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PHP Exceptions: Try Catch for Error Handling

In this post, you’ll learn how to use exception handling in PHP. As of PHP 5, we can use try catch blocks for error handling—this is a better way to handle exceptions and control the flow of your application. In this article, we’ll go through the basics of exception handling along with a couple of real-world examples. What Is an Exception? PHP 5 introduced a new error model which allows you to throw and catch exceptions in your application—this is a better way of handling errors than what we had in older versions of PHP. All exceptions are instances...

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