The touch command in Windows Powershell
The touch Command in PowerShell (Linux-Compatible) If you come from Linux/macOS, you probably miss touch: create a file if it doesn’t exist, otherwise update its modified time. PowerShell doesn’t …
Competitive Programming: Two Simple Tricks in C++ To Make Code Faster
February 23, 2026
c / c++, C/C++, Competitive Programming, programming languages, software development
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Competitive programmers ALWAYS use these two lines of code. Here’s why: C++ has two functions: “cin” – Stands for character input. Reads an input from the standard IO. “cout” …
Prompt Engineering: Sharing a Prompt for Preparing Your Exams
January 26, 2026
AGI: Artificial General Intelligence, AIGC, Artificial Intelligence, ChatGPT (OpenAI), Prompt
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A Universal AI Exam Preparation Prompt Template An AI Practice Prompt for Any Certification Exam A General-Purpose AI Exam Coach Prompt (For All Types of Exams) An AI Exam …
System Design: Fan-out/Fan-in Pattern
Fan-out/fan-in refers to the pattern of executing multiple units of work in parallel and then synchronizing on their completion. While it’s often discussed in the context of serverless functions, …
ChatGPT: New Image Creation (art school)
ChatGPT has a new feature “Image Generation” which allows you to easily transform exist images with a predefined set of prompts. You then don’t need to prepare the prompts. …
Understanding std::transform_reduce in Modern C++
Understanding std::transform_reduce in Modern C++ std::transform_reduce is a powerful C++17 algorithm that combines the functionality of transform and reduce (or accumulate) in a single pass. It allows you to …