Author: Waseem Khan
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Understanding Time-Synchronous Averaging (TSA)
As someone who loves exploring data processing techniques, diving into the concept of Time-Synchronous Averaging (TSA) and its specific application through tsaregular has been quite enlightening. TSA is widely used in vibration analysis and fault detection in rotating machinery, and understanding its more nuanced implementation like tsaregular can significantly enhance the analysis process. Understanding Time-Synchronous…
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Python to monitor system activities initiated by a potentially malicious Word document
When dealing with malware embedded in Microsoft Word documents, it’s crucial to understand what actions the malicious software is performing on your system. Typically, these malware-infected documents use macros or other embedded scripts that execute when the document is opened. To monitor and trace these commands on a Windows machine, Python can be a powerful…
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Integrating Discord’s OAuth2 in Django
Recently, I encountered a challenge while integrating Discord’s OAuth2 with my web application. The goal was simple: I wanted to authenticate users via Discord when they log into my website, and subsequently store their usernames and additional information into a SQL database after they fill out a form. While I set up the Discord login…
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Understanding TypeAlias in Python 3.12 and PEP 695
In Python, especially with the recent advancements including Python 3.12 and the introduction of PEP-695, working with type hints has become more sophisticated and expressive. However, this also means that certain complexities arise when we attempt to interact with advanced type constructs like TypeAlias. Let’s dive deeply into the problem of handling type aliases properly…
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Reshaping a DataFrame by pivoting on specific columns and turning unique values into column headers
When working with data in pandas, it’s quite common to encounter the need to reorganize or reshape data for better analysis or presentation. In this blog post, I will take you through the process of reshaping a DataFrame by pivoting on specific columns and turning unique values into column headers, which involves creating a MultiIndex…
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Extracting URLs from urlpatterns
When working on a Django project, it often becomes necessary to programmatically access all the URLs defined in the project. This could be for documentation purposes, testing, or security audits. Django uses a combination of explicit paths in urls.py and router registrations (especially when using Django REST framework), which can handle URL patterns dynamically. Let’s…
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FileNotFoundError: No file ‘Snake/img/end.jpg’ found in working directory
Recently, I encountered a frustrating error with my Python-based games, such as Snake and Flappy Bird, which previously ran without hitches. The error message reads: FileNotFoundError: No file ‘Snake/img/end.jpg’ found in working directory. This issue arose even though I hadn’t made any changes to my code. Let’s dive into the details to understand what went…
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Using CSS Flexbox with dmc.Card
When designing responsive layouts with Dash, many developers lean on components from libraries like Dash Bootstrap Components (dbc) because of their inherent responsiveness and ease of use with grid layouts. However, if we decide to use the Dash Mantine Components (dmc) library, things can work a bit differently due to its unique styling and configuration…
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Reading and Parsing the Bazel File
When working with Bazel build systems, you might encounter the need to parse Bazel configuration files programmatically, for example, to automate updates or to integrate with other tools. Bazel files, like the one shown in the question, can store configurations using Python-like syntax. Today, I’ll walk you through how you can extract specific pieces of…
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Troubleshooting Error 422 in Laravel: Handling HTTP POST Requests
How Can I Address the 422 Error in My Laravel Request Validation? Recently, while working on a registration feature in a Laravel application, I encountered an especially pesky 422 Unprocessable Entity error associated with validation rules for email and document. This issue persisted even after trying to modify the input values, so I decided to…