Alireza Pourmahdavi

Master Priority Queue in Python: Use heapq and queue.PriorityQueue

By Alireza Pourmahdavi October 5, 2025

Introduction Mastering priority queues in Python is essential for developers looking to efficiently manage tasks based on their priorities. Whether you’re working with the heapq module for min-heaps or the queue.PriorityQueue class for multithreaded applications, understanding how to implement these structures can greatly enhance your coding projects. Priority queues are powerful tools, helping with everything […]

Master Python String Handling: Remove Spaces with Strip, Replace, Join, Translate

By Alireza Pourmahdavi October 5, 2025

Introduction When working with Python, efficiently handling whitespace in strings is essential for clean, readable code. Whether you’re using methods like strip(), replace(), join(), or even regular expressions, each approach serves a specific purpose in tackling different whitespace scenarios. Whether you need to remove leading/trailing spaces, eliminate all whitespace, or normalize spaces between words, this […]

Add JavaScript to HTML: Optimize with External .js Files and Defer Attribute

By Alireza Pourmahdavi October 5, 2025

Introduction When working with JavaScript and HTML, optimizing performance is key to improving page load speed and user experience. Using external .js files and the defer attribute offers significant advantages, like better caching and reduced render-blocking. In this article, we’ll walk through three common methods for adding JavaScript to your HTML files: inline in the […]

Run Python Scripts on Ubuntu: Master Virtual Environments and Execution

By Alireza Pourmahdavi October 5, 2025

Introduction Running Python scripts on an Ubuntu system can seem tricky at first, but with the right setup, it becomes a smooth process. By utilizing Python’s virtual environments, developers can easily manage dependencies and ensure their scripts run in isolated spaces, avoiding conflicts between different projects. This guide covers everything from setting up Python environments, […]

Master Python Modules: Install, Import, and Manage Packages and Libraries

By Alireza Pourmahdavi October 5, 2025

Introduction Managing Python modules is essential for any developer aiming to build scalable, efficient applications. In this guide, we’ll dive into the core concepts of working with Python modules, focusing on how to install, import, and manage packages and libraries for better code organization and reusability. By mastering techniques like managing dependencies, handling circular imports, […]

Best Lightweight Image Viewers for Linux: feh, sxiv, viu, ristretto, qimgv, nomacs

By Alireza Pourmahdavi October 5, 2025

Introduction When it comes to managing images on Linux, choosing the right viewer can make a significant difference in both performance and ease of use. Lightweight options like feh, sxiv, viu, ristretto, qimgv, and nomacs offer varying features that cater to different needs, from terminal-based viewing to full graphical interfaces. Whether you’re looking for speed, […]

Master File Size Operations in Python with os.path.getsize, pathlib, os.stat

By Alireza Pourmahdavi October 5, 2025

Introduction When working with Python, handling file sizes efficiently is essential for optimizing your projects. Whether you’re using os.path.getsize, pathlib, or os.stat, each method offers unique advantages for retrieving file sizes with precision. In this article, we explore these tools and how they can be applied to manage file operations effectively. We’ll also discuss error […]

Optimize LLMs with LoRA: Boost Chatbot Training and Multimodal AI

By Alireza Pourmahdavi October 4, 2025

Introduction LoRA (Low-Rank Adaptation) is revolutionizing how we fine-tune large language models (LLMs), especially for tasks like chatbot training and multimodal AI. By targeting just a small subset of model parameters, LoRA drastically reduces computational costs and speeds up the fine-tuning process, making it more accessible for organizations with limited resources. This approach is particularly […]

Unlock Ovis-U1: Master Multimodal Image Generation with Alibaba

By Alireza Pourmahdavi October 4, 2025

Introduction Unlocking the potential of Ovis-U1, Alibaba’s open-source multimodal large language model, offers exciting possibilities for tasks like text-to-image generation and image editing. With its 3 billion parameters, Ovis-U1 delivers impressive results by leveraging diverse datasets to generate high-quality visuals from textual inputs. Although it’s a powerhouse for multimodal understanding, its current lack of reinforcement […]

Master SQL Group By and Order By: Unlock Window Functions for Data Insights

By Alireza Pourmahdavi October 4, 2025

Introduction “Mastering SQL, including GROUP BY, ORDER BY, and window functions, is essential for organizing and analyzing large datasets. These powerful SQL clauses help users group data by shared values and sort results efficiently, making it easier to generate meaningful reports. By understanding the application of these functions, along with advanced techniques like multi-level grouping […]

Alireza Pourmahdavi

I’m Alireza Pourmahdavi, a founder, CEO, and builder with a background that combines deep technical expertise with practical business leadership. I’ve launched and scaled companies like Caasify and AutoVM, focusing on cloud services, automation, and hosting infrastructure. I hold VMware certifications, including VCAP-DCV and VMware NSX. My work involves constructing multi-tenant cloud platforms on VMware, optimizing network virtualization through NSX, and integrating these systems into platforms using custom APIs and automation tools. I’m also skilled in Linux system administration, infrastructure security, and performance tuning. On the business side, I lead financial planning, strategy, budgeting, and team leadership while also driving marketing efforts, from positioning and go-to-market planning to customer acquisition and B2B growth.