You import a JavaScript file expecting to use a single function — and suddenly, a while loop starts running. If this has ever confused you, you’re not alone. When learning JavaScript, importing files often feels simple at first — you expect to bring in a function and use it when needed. However, many beginners are surprised when code from an imported file runs automatically , even when they never explicitly call it. This confusion usually shows up when: A while loop runs un

When you work with data in Power BI, you usually build measures and visuals based on your model and filters. But sometimes, your calculations need more control — especially when the logic becomes long or when filters interact in unexpected ways. That’s where Block Thinking for DAX comes in!It gives you a “superpower” to break big problems into smaller, clear steps, so you always know what your formula is doing — no matter how complex it looks. Let’s walk through this step-by-

Why Data Cleaning is Important Before Visualization When we work with data, the first thing most of us want to do is make a chart. But here’s the truth: if the data is messy, the chart will also be messy — and it might even tell the wrong story. This is where data cleaning comes in. Data cleaning means fixing problems in your dataset before you create visualizations. It’s like preparing your ingredients before cooking. If the ingredients are spoiled, the dish won’t taste good