Wednesday, August 20, 2025

Programmable Logic Controller - Creating Timer Application in PLC

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The timers are key part of any programming logic. The post here describes how to set it up with a PLC IDe. These were the experiments and re...
Tuesday, August 19, 2025

Programmable Logic Controller - Latch Application in PLC

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The latch application, meaning latching of push button outputs are one of the most common use cases of the PLC Application. The following ex...
Monday, August 18, 2025

Programmable Logic Controller - Introduction/Simple Logical Experiments

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Following series of posts capture experiements done with the keyence logic builder to make programs for the Programmable Logic Controller de...
Saturday, August 2, 2025

Demystifying the Finite Element Method: A Very Simple Truss Stiffness Matrix in Python

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I dont recall how long ago i worked on FEM methods but found this basic program of stiffness matrix calculation in one of my older hard driv...
Friday, August 1, 2025

Parsing an XML File in Java with SAX Parser

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Parsing XML files is a common task in Java development, and a SAX parser is a popular choice for this purpose. The SAX parser is known for b...
Sunday, July 13, 2025

Python Interview Prep - Part 2

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This is second part of my notes for the python interview prep. Was valid in python27 capturing here for future reference. Table of Conten...
Monday, July 7, 2025

Python Interview Prep - Part 1

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The post holds my old notes and questions that have been asked during the era of python2.7. This is my interview prep guide. Table of Con...
Tuesday, May 20, 2025

Learning Docker via Practical Apps - Containerize MySQL and Phpmyadmin

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For developers working with databases, the combination of MySQL , a robust open-source relational database, and phpMyAdmin , a user-friendly...
Saturday, April 26, 2025

A Deep Dive into a C-Based Encryption Tool

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In today's digital age, where data breaches and privacy concerns are rampant, understanding the fundamentals of encryption is more cruci...
Friday, April 25, 2025

How to Build a Biometric Authentication System in Python Using the Windows Biometric Framework

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Biometric authentication is no longer limited to high-security labs or science fiction movies. With the rise of facial recognition and finge...