I have found that tables are often the most complex yet essential part of any dashboard. While Material UI (MUI) provides a solid foundation, a “one-size-fits-all” approach rarely works for real-world enterprise applications. I remember struggling with messy, repetitive table code early in my career until I started building reusable, custom components. In this tutorial, … Read more >>
In my journey of building front-end applications, I have seen many frameworks come and go. However, React changed everything for me because of one specific concept: Component-Based Architecture. If you have ever felt overwhelmed by a massive codebase, you are not alone. Thinking in components allows you to break a complex interface into small, manageable, … Read more >>
A customer-name cleanup script looks fine until someone enters “José”, “Megan O’Connor”, or an emoji in a notes field. When you print the value, terminals, log files, and API payloads do not always show those characters the same way. I have used Python’s ascii() function most often while debugging text pulled from CSV files, APIs, and form … Read more >>
To print 2 decimal places in Python, we can use the Python str.format() method with “{:.2f}” as string and float as a number. Then call the Python print(), it will print the float with 2 decimal places.
Splitting a Python string every n characters is a one-line comprehension built on slicing: The last piece comes out short rather than padded, which is usually what you want. There is no built-in string method for this, so slicing is the standard answer. Python 3.12 added itertools.batched as an alternative, and two popular suggestions are … Read more >>
NumPy random numbers come from a generator you create once and then ask for values: The older np.random.rand() and np.random.randint() still work and appear in most tutorials. They differ in one respect that matters, covered further down. Starting with the question most people arrive with: a random number in a given range. Output is from … Read more >>
datetime.now() is how Python hands you the current date and time, in a single object: For the date on its own, date.today() is shorter. To control how it looks, pass a pattern to strftime(). One thing has changed recently and is worth knowing: datetime.utcnow() is deprecated. The replacement is covered below, along with formatting, timezones … Read more >>
To get the index of an element in a Python list, call .index() on the list: Two things to know before you rely on it. It returns only the first match, and a value that is not there raises ValueError rather than returning -1. Both have straightforward fixes, covered below along with finding every occurrence … Read more >>
To get the index in a Python for loop, wrap whatever you are looping over in enumerate(): It hands back the position and the item on every pass, so there is no counter to maintain and no square brackets to get wrong. Below: the start argument, what happens with dictionaries, and the bug that appears … Read more >>
In Python, for i in range(5) runs the loop body five times, with i counting 0, 1, 2, 3, 4: Two details trip people up. The number you pass is where the counting stops, and it is never itself included. And range does not give you a list, which is why printing it shows range(0, … Read more >>
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