Beginners

As you sign into your APEX workspace, you’re greeted with a number of development components, each serving a distinct purpose. Let’s take a guided tour through App Builder, SQL Workshop, Team Development, and Gallery, unraveling their functionalities along the way. App Builder: Crafting Stunning Applications App Builder serves as your gateway to creating and managing applications effortlessly. Here, you design, develop, and deploy applications that are both visually captivating and highly functional....

Imagine this: You have a gigantic snack box filled with all kinds of snacks — chips, cookies, chocolates, and more. But finding exactly what you want is tough, especially with so many options mixed up together! SQL (Structured Query Language) is like a personal assistant for organizing and finding things in your snack box. Just like you would ask your friend to grab a specific snack for you, you can ask SQL to find, add, change, or remove data in a database....

According to Apple document You can prevent a method, property, or subscript from being overridden by marking it as final. Do this by writing the final modifier before the method, property, or subscript’s introducer keyword (such as final var, final func, final class func, and final subscript). Any attempt to override a final method, property, or subscript in a subclass is reported as a compile-time error. Methods, properties, or subscripts that you add to a class in an extension can also be marked as final within the extension’s definition....

HTML forms serve as the gateway for user interaction on the web, enabling users to submit data, provide feedback, and engage with web applications seamlessly. From login pages to contact forms, HTML forms are integral to capturing user input and driving interactive web experiences. In this article, we’ll dive deep into the world of HTML forms, exploring their structure, elements, attributes, and examples to help you harness their full potential in your web development projects....

Running an application in Oracle Application Express (APEX) might seem like a straightforward task, but behind the scenes, there’s a complex engine at work. To shed light on this process, let’s delve into the two crucial processes that power the execution of APEX applications. Page Rendering Imagine you’ve built a sleek and functional application using APEX, complete with interactive forms, dynamic reports, and engaging charts. When a user accesses your application, the APEX engine kicks into action....

Imagine you’re a student, and you need to update your information in a school database. Let’s say you’re updating your age, but what if something goes wrong? Or, you decide to make a change but then realize you made a mistake? Don’t worry, SQL has your back! This is where COMMIT, ROLLBACK, and SAVEPOINT come into play. These SQL commands help you manage changes to your database and make sure things run smoothly....

What is code snippet? A small piece of a code in the program is known as a code snippet. Wikipedia The snippet is a programming term for a small region of re-usable source code, machine code, or text. Ordinarily, these are formally defined operative units to incorporate into larger programming modules. Snippet management is a feature of some text editors, program source code editors, IDEs, and related software. What is the use of code snippet?...

In the dynamic world of web application development, managing user sessions efficiently is paramount for delivering a seamless and personalised user experience. Oracle Application Express (APEX), a popular low-code development platform, provides robust tools for managing sessions effectively. In this article, we’ll delve into the concepts of Session ID, Session State, and Sessions in APEX. Understanding Session ID: At the heart of session management lies the Session ID, a unique identifier assigned to each user’s session....

HTML, the cornerstone of web development, empowers developers to create hyperlinks, or simply links, that connect web pages together, enabling seamless navigation across the vast landscape of the internet. In this article, we’ll uncover the art of creating links in HTML, exploring various techniques and examples to enhance user experience and connectivity. Understanding Links in HTML: Links are essential components of web pages, allowing users to navigate between different pages or resources with a simple click....

Common problems of writing NSLayoutConstraint Hello swift programmers, in this article we will look at how to use NSLayoutConstraint to elegantly handle the resize of view using some animation. let’s take an example In apple notes app if you notice as soon as the keyboard comes up the text fields height changes with sweet animation. which look good to eyes and gives thoughts to the brain how to they do it?...