Kristina Popovic

Articles: 11

Joined: Sep 21, 2020

CS student with a passion for juggling and math.

Recently published

Article

Guide to Data Visualization in Python with Pandas

People can rarely look at a raw data and immediately deduce a data-oriented observation like: People in stores tend to buy diapers and beer in conjunction! Or even if you as a data scientist can indeed sight read raw data, your investor or boss most likely can't. In order for...

Kristina Popovic

Jan 14, 2021·27 min read

Article

Python: Safely Create Nested Directory

File manipulation is one of the most important skills to master in any programming language, and doing it correctly is of utmost importance. Making a mistake could cause an issue in your program, other programs running on the same system, and even the system itself. Possible errors can occur due...

Kristina Popovic

Jan 04, 2021·5 min read

Article

Spelling Correction in Python with TextBlob

Spelling mistakes are common, and most people are used to software indicating if a mistake was made. From autocorrect on our phones, to red underlining in text editors, spell checking is an essential feature for many different products. The first program to implement spell checking was written in 1971 for...

Kristina Popovic

Dec 16, 2020·15 min read

Article

Creating Executable Files from Python Scripts with py2exe

Executing Python scripts requires a lot of prerequisites like having Python installed, having a plethora of modules installed, using the command line, etc. while executing an .exe file is very straightforward. If you want to create a simple application and distribute it to lots of users, writing it as a...

Kristina Popovic

Dec 04, 2020·4 min read

Article

Selection Sort in Java

Sorting data is a frequent problem in computer science. Given a collection of elements, the goal is to rearrange them in some order. Common examples are sorting an array alphabetically or from smallest to largest. Sorted data is a lot easier to manipulate. Finding the largest or smallest element of...

Kristina Popovic

Nov 23, 2020·12 min read

Article

Python: Slice Notation on NumPy Arrays

The term slicing in programming usually refers to obtaining a substring, sub-tuple, or sublist from a string, tuple, or list respectively. Python offers an array of straightforward ways to slice not only these three but any iterable. An iterable is, as the name suggests, any object that can be iterated...

Kristina Popovic

Nov 05, 2020·4 min read

Article