Category Archives: Uncategorized

When you’re starting out learning a new programming language, your very first program is likely to be one that prints “hello world!”. Let’s say you want to do this in Python. There are two ways of doing it: using the Python shell or writing it as a script and

When working with dictionaries in Python, a KeyError gets raised when you try to access an item that doesn’t exist in a Python dictionary. Here’s a Python dictionary called student: student = { “name”: “John”, “course”: “Python”, } In the dictionary above, you can access the

Reversing strings in JavaScript is something you’ll need to do often on your web development journey. You might need to reverse a string during interviews, when solving algorithms, or when doing data manipulation. We will learn how to reverse a string in JavaScript using built-in JavaScript methods as well as

PHP is an incredibly popular programming language. Statistics say it’s used by 80% of all websites. It’s the language that powers WordPress, the widely used content management system for websites. And it also powers a lot of different frameworks that make Web Development easier, like Laravel. Speaking of Laravel, it

In website development, DOM stands for Document Object Model. It is a programming interface that allows us to create, change, or remove elements from a website document. DOM manipulation is when you use JavaScript to add, remove, and modify elements of a website. It is very common in web development.

If you log on to a website and your browser shows the “Your connection is not private” error, the browser is trying to warn you to stay off the website. In that case, the browser has run a check on the SSL (secure socket layer) certificate and found a problem

Properly tracking your machine learning experiments is easier than you think. When working on a machine learning project, you will conduct different machine learning experiments before you reach the final ML model with the best performance. Here are some possible machine learning experiments you might conduct: * Testing

When you’re working in Excel, the VLOOKUP function makes looking up information less time-consuming. This is particularly true when you’re using more than one Excel sheet. In this article, you will learn what the VLOOKUP function does, as well as understand the syntax behind it. You will also learn how

So, you’re working with your Windows PC and you discover you can’t find the battery icon in the taskbar. You even expand hidden icons and you still can’t find the battery icon. This could result in a negative effect on your productivity – because if you don’t plug your laptop

You can use sets in Python to store a collection of data in a single variable. Each of the built-in data structures in Python like lists, dictionaries, and tuples have their distinguishing features. Here are some of the features of sets in Python: * Duplicate items