Webucator Blog

When developing PHP applications, it’s important to keep your configuration files secure. A common mistake is placing these files under the web root, where they can potentially be accessed by a...

https://www.webucator.com/article/how-to-include-a-secure-php-configuration-file/

If you are locked out of your APEX account, you will may to reset the admin user's password. This article explains the process.

https://www.webucator.com/article/resetting-your-apex-password/

Back in 2014, while homeschooling my oldest child, I realized that many other homeschooling families might benefit from the same high-quality, self-paced courses we developed at Webucator. These ...

https://www.webucator.com/article/courses-for-homeschoolers/

If you’re encountering an account locked error for the HR user in Oracle’s XEPDB1 pluggable database (PDB), follow these steps to unlock the account. This guide assumes you have administrativ...

https://www.webucator.com/article/how-to-unlock-the-hr-user-in-xepdb1/

In this article, we’ll demonstrate how to transform XML documents using XSLT (Extensible Stylesheet Language Transformations) at the command line using node.js, saxon-js and xslt3.

https://www.webucator.com/article/transforming-xml-with-xslt-at-the-commandline-with/

NVM (Node Version Manager) and nvm-windows are both version managers for Node.js, but they are designed for different operating systems and have distinct implementations: NVM: Originally develo...

https://www.webucator.com/article/a-step-by-step-guide-to-installing-nvm-windows-for/

While working on a Photoshop lesson on reconstructing and retouching photographs and thinking about how to cover Photoshop’s Neural Filters, which use artificial intelligence to touch up and mo...

https://www.webucator.com/article/chatgpt-explains-photoshop-neural-filters/

These are backup instructions for students who are not able to install Oracle locally. Scripts from class files can be copied and pasted into a browser editor to run them. However, the database i...

https://www.webucator.com/article/oracle-live-sql-instructions/

Here’s the challenge: you are going to randomly assign each of 20 new students to one of the four houses. You will then populate a (between -100 and 100) to a random student. You will show both...

https://www.webucator.com/article/using-excel-to-create-a-sorting-hat/

When working with type, you should understand the difference between kerning, tracking, and leading.

https://www.webucator.com/article/kerning-tracking-and-leading/

Installing Node.js and npm

https://www.webucator.com/article/nodejs-and-node-package-manager-npm/

In this article, we will walk through one way of integrating Vue.js with Django.

https://www.webucator.com/article/connecting-django-and-vue/

Adobe’s official exam guide for Photoshop lists the exam objectives, including key terms, concepts, tools, and settings that you need to know to pass the Adobe Certified Professional in Visual...

https://www.webucator.com/article/adobe-certified-professional-photoshop/

Adobe’s official exam guide for Animate lists the exam objectives, including key terms, concepts, tools, and settings that you need to know to pass the Adobe Certified Professional in Multipla...

https://www.webucator.com/article/adobe-certified-professional-adobe-animate/

Adobe’s official exam guide for InDesign lists the exam objectives, including key terms, concepts, tools, and settings that you need to know to pass the Adobe Certified Professional in Print &...

https://www.webucator.com/article/adobe-certified-professional-indesign/

Adobe’s official exam guide for Illustrator lists the exam objectives, including key terms, concepts, tools, and settings that you need to know to pass the Adobe Certified Professional in Grap...

https://www.webucator.com/article/adobe-certified-professional-illustrator/

Adobe’s official exam guide for Premiere Pro lists the exam objectives, including key terms, concepts, tools, and settings that you need to know to pass the Adobe Certified Professional in Dig...

https://www.webucator.com/article/adobe-certified-professional-premiere/

In this article, I discuss how Webucator made the switch from ColdFusion, SQL Server, and many different JavaScript frameworks running on AWS – a stack we had been using for sixteen years – ...

https://www.webucator.com/article/converting-to-django-webucators-story/

You may have noticed that there is no difference in size between an h1 heading and h2 heading within an article or section element. That’s weird. In this article, I’ll explain why it is, and ...

https://www.webucator.com/article/html-heading-levels-and-sectioning-content/

Being a techie means constant learning. Whether you’re a newbie web developer or an experienced programmer, you are bound to find yourself banging your head against a wall, trying to figure out...

https://www.webucator.com/article/how-to-ask-good-technical-questions/

This article shows you how to get Oracle’s demo HR schema, which is used in Oracle tutorials, documentation, and in Webucator’s Oracle courses.

https://www.webucator.com/article/getting-oracle-hr-schema/

Learn how to install the free version of Oracle: Oracle Database Express Edition (XE) version 21c and SQL Developer, Oracle’s free tool for developing and managing databases.

https://www.webucator.com/article/how-to-install-oracle-express-edition-and-sql-deve/

I’ve made a lot of customization to Django admin using JavaScript. Although Django admin supports jQuery and will continue to do so in Django 4.0, I stick to vanilla JavaScript. In this article...

https://www.webucator.com/article/why-i-dont-use-jquery-in-django-admin/

Altova’s XMLSpy is an extremely powerful XML editor with excellent tools for creating XML Schemas, XSLTs, and basic XML documents, and the great news is that you can try it before buying it.

https://www.webucator.com/article/how-to-try-xmlspy-for-free/

In this brief article and accompanying video, we explain the Python magic __main__ variable.

https://www.webucator.com/article/understanding-pythons-__main__-variable/

In this article, we show how to associate all Python files with IDLE in Windows, so that they will open by default in IDLE.

https://www.webucator.com/article/associate-python-files-with-idle/

It's easy to wind up with multiple installations of Python on Windows (and Mac). In this article, we show you how to locate them all.

https://www.webucator.com/article/how-to-find-all-your-python-installations-on-windo/

A schema is a collection of tables, views, procedures, indexes and other logical objects. Each schema is owned by a database user and has the same name as that user. Because there is essentiall...

https://www.webucator.com/article/oracles-demo-hr-schema/

Oracle has been around so long and so many questions have been asked and answered in so many different ways that it can be difficult to find a definitive answer, especially to a best-practices ty...

https://www.webucator.com/article/how-to-choose-between-a-procedure-and-a-function/

I ran into this problem while writing our Creating, Styling, and Validating Web Forms course . I was showing how browsers make an automatic request for "/favicon.ico" when first visiting a new si...

https://www.webucator.com/article/how-to-force-a-refresh-of-faviconico/

In Word 365, Excel 365, PowerPoint 365, and other Office 365 products (and earlier versions of Office too), you can customize the Ribbon to make it easier for you to find the commands that you us...

https://www.webucator.com/article/customize-the-ribbon-office-365/

Visual Studio Code doesn’t have a built-in method for launching HTML and other files in Google Chrome, but you can configure it to do so.

https://www.webucator.com/article/how-to-open-html-files-in-google-chrome-from-visua/

In this brief tutorial, we’ll show you how to create a virtual environment with Python’s venv module . We will do this using Visual Studio Code.

https://www.webucator.com/article/python-virtual-environments-with-venv/

When you install Python 3 on a Mac, it does not update the python command to use Python 3 instead of Python 2. Instead, to run Python 3, you have to use the python3 command. In this brief article...

https://www.webucator.com/article/mapping-python-to-python-3-on-your-mac/

Visual Studio Code is an excellent IDE to use when learning to develop web sites. It provides a nice balance of power and simplicity and it is available on Windows and Mac.

https://www.webucator.com/article/how-to-install-and-use-visual-studio-code-for-clas/