Marcus Sanatan

Articles: 101

Joined: Nov 27, 2018

I love many things and coding is one of them!

Recently published

Article

Executing Shell Commands with Python

Repetitive tasks are ripe for automation. It is common for developers and system administrators to automate routine tasks like health checks and file backups with shell scripts. However, as those tasks become more complex, shell scripts may become harder to maintain. Fortunately, we can use Python instead of shell scripts...

Sajjad Heydari

Dec 22, 2022·13 min read

Article

Adapter Design Pattern in Python

The Adapter Design Pattern is a popular Structural Design Pattern used in software engineering. This guide looks at how we can implement the Adapter Design Pattern in Python. Design Patterns are template-like solutions - practically recipes for solving recurring, common problems in software development. The Adapter Pattern is based upon...

Guest Contributor

Sep 22, 2022·13 min read

Article

How to Pickle and Unpickle Objects in Python

Converting an object into a savable state (such as a byte stream, textual representation, etc) is called serialization, whereas deserialization converts data from the aforementioned format back to an object. A serialized format retains all the information required to reconstruct an object in memory, in the same state as it...

Mohammad Waseem

Feb 10, 2022·10 min read

Article

Object Detection with OpenCV-Python Using a Haar-Cascade Classifier

Python has many applications in the field of Computer Vision, typically though Deep Learning. From performing OCR on documents to allowing robots to "see" - Computer Vision is an exciting and challenging field! OpenCV is an open source, cross-platform framework, developed as a library oriented towards real-time Computer...

Mohammad Waseem

Jan 03, 2022·22 min read

Article

Count Number of Word Occurrences in List Python

Counting the word frequency in a list element in Python is a relatively common task - especially when creating distribution data for histograms. Say we have a list ['b', 'b', 'a'] - we have two occurrences of "b" and one of "a". This guide will show...

Guest Contributor

Dec 31, 2021·9 min read

Article

Parsing XML with BeautifulSoup in Python

Extensible Markup Language (XML) is a markup language that's popular because of the way it structures data. It found usage in data transmission (representing serialized objects) and configuration files. Despite JSON's rising popularity, you can still find XML in Android development's manifest file, Java/Maven build tools and SOAP APIs...

Joseph Eshiett

Dec 30, 2021·14 min read

Article

How to Reverse a String in JavaScript

Reversing a string isn't uncommon in development, and fairly popular for entry-level interview questions. With JavaScript, we have many ways to reverse a string, which is somewhat similar to reversing an array. We can use a combination of string's split() method as well as array's reverse() and join() methods (since...

Guest Contributor

Dec 27, 2021·11 min read

Article

Java 8 - Difference Between map() and flatMap()

While Java is primarily an Object Oriented Language, many concepts of Functional Programming have been incorporated into the language. Functional programming uses functions to create and compose programming logic, typically in a declarative manner (i.e. telling the program what's wanted and not how to do it). If you'd like...

Reham Muzzamil

Dec 14, 2021·16 min read

Article

How To Get User's IP Address Using Flask?

Flask is one of the most popular Python web development frameworks. It's a lightweight web framework, yet it offers a variety of built-in methods that can be used for hassle-free deployment of efficient web applications. In this guide, we will get the IP address of the user who visits the...

Mohammad Waseem

Dec 09, 2021·5 min read