This blog page is a technical resource primarily focused on Oracle technologies, specifically Oracle APEX and PL/SQL. It features a collection of articles and tutorials written by Vinish Kapoor, an expert in Oracle technologies. The content covers a wide range of topics including development techniques, problem-solving guides, and best practices for Oracle APEX and PL/SQL.
You wrote the perfect prompt months ago. It produced clean, reliable output every time — so you saved it, wired it into your app, and moved on. Then one day the results start drifting: formatting breaks, the tone shifts, instructions…
Have you ever checked your phone bill and wondered where all your data went? You barely streamed anything, yet your plan is nearly maxed out. There is a good chance you are dealing with data bleed. Data bleed is one…
Spy apps are designed to be invisible. They hide their icons, disguise themselves as "System Update" or "Device Health," and quietly copy your messages, location, photos, and calls to someone else — often a person you know. This kind of…
Type a short code into your dialer, press call, and instantly find out if someone is spying on your phone — that's the promise behind codes like *#21# and *#62# that circulate endlessly on social media. The truth is more nuanced. These dialer codes…
Your phone suddenly feels sluggish. Your battery drains by lunchtime. A friend asks why you sent them a strange link at 3 a.m. — except you didn't. These moments make everyone ask the same question: Has my device been hacked? The…
You might have heard developers whisper about a mysterious issue in their applications. They are usually talking about a ghost thread in coding. This hidden problem can silently ruin your application performance and frustrate your users. When you build software,…
You have probably come across the term Phantom Loop while searching for help with a stubborn programming bug. It sounds like a legitimate computer science concept, something you might study in a college course or find referenced in official documentation.…
If your codebase feels like it was written by engineers who never talked to the business team, you already know the problem domain-driven design (DDD) was built to solve. The gap between what the software does and what the business…
Creating clear test scenarios is a crucial part of modern software development. You want your entire team to understand exactly how a feature should behave. The Given-When-Then formula offers a highly effective way to achieve this clarity. It effortlessly bridges…
When a database engine is running, a lot more is happening in RAM than most people realize. Pages of data, index structures, transaction logs, sort buffers, and query execution plans all live in memory at the same time. A memory…
Most databases store what is happening right now. But what if you need to know what was true yesterday, or what your system believed to be true last month, even if that belief turned out to be wrong? A bitemporal…
You have likely heard the term unicorn used in the business world to describe a wildly successful startup. Traditionally, this meant a massive company with hundreds of employees that reached a billion-dollar valuation. Today, a radical new business model is…
Are you tired of writing the same setup instructions for every single new project? You are definitely not alone in feeling this everyday frustration. Every developer faces the repetitive task of configuring files and setting up folders before they can…
Understanding your cycle time in software development is the secret to building better products faster. It measures the time elapsed from when work begins on a task to when it reaches the end user. This metric provides a clear window…
Building software often feels like a relentless race against the clock. You have new features to launch and bugs to fix immediately to keep your users happy. Sometimes you simply have to take deliberate shortcuts to meet those pressing business…
You stare at the screen and realize something feels off about the application you are building. The software compiles perfectly and the unit tests pass without any errors. Yet, the overall structure looks messy and makes you hesitate before adding…
Imagine launching a massive application update without any stress or downtime. You simply flip a digital switch, and your users see the new changes instantly thanks to a feature flag in software development. If something goes wrong, you just flip…
Writing clean code is a skill that takes time and immense patience to master. Test-driven development is a methodology that can completely transform how you build applications. It forces you to think deeply about your requirements before you write a…
