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args and kwargs in Python 3

How to Use args and kwargs in Python 3– Complete Guide 2025–2026

Mastering how to use args and kwargs in Python 3 is one of the most powerful and frequently used advanced techniques at Progressive Robot — these special syntaxes allow functions to accept a variable number of positional (*args) and keyword (**kwargs) arguments, making your code more flexible, reusable, generic, and future-proof for everything from utility functions, decorators, API wrappers, logging, data processors, CLI tools, to framework-level code.

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How to Define Functions in Python 3: Complete Guide (2025–2026)

How to Define Functions in Python 3: Complete Guide (2025–2026)

Learning how to define functions in Python 3 is one of the most essential and powerful skills at Progressive Robot — functions are reusable blocks of code that perform specific tasks, accept inputs (parameters), return outputs, and make your programs modular, readable, testable, and scalable for everything from automation scripts to web APIs, data pipelines, AI models, and enterprise applications.

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How to Use Docker Volumes on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Use Docker Volumes on FreeBSD 12

  • February 8, 2026
  • FreeBSD
  • Comment off

Introduction This guide explains how to Use Docker Volumes on FreeBSD 12 on FreeBSD 12. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained privilege […]

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How to Install Docker Compose on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install Docker Compose on FreeBSD 12

  • February 8, 2026
  • FreeBSD
  • Comment off

Introduction This guide explains how to Install Docker Compose on FreeBSD 12 on FreeBSD 12. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained privilege […]

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How to Install Docker Engine on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install Docker Engine on FreeBSD 12

  • February 8, 2026
  • FreeBSD
  • Comment off

Introduction This guide explains how to Install Docker Engine on FreeBSD 12 on FreeBSD 12. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained privilege […]

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How to Install Xdebug for PHP on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install Xdebug for PHP on FreeBSD 12

  • February 8, 2026
  • FreeBSD
  • Comment off

Introduction How to Install Xdebug for PHP on FreeBSD 12 is a core administration task for any FreeBSD 12 server operator. FreeBSD 12 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet […]

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How to Configure Network Policy Server (NPS/RADIUS) on Windows Server 2025 — step-by-step Windows Server 2025 tutorial on Progressive Robot

How to Configure Network Policy Server (NPS/RADIUS) on Windows Server 2025

How to Enable and Configure Credential Guard on Windows Server 2025 Credential Guard is one of the most impactful security controls available in Windows Server 2025. It uses Virtualization-Based Security (VBS) to isolate the Local Security Authority Subsystem Service (LSASS) into a separate, hardware-protected virtual trust level (VTL1) called the Secure World. Because LSASS runs […]

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How to Harden PHP on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Harden PHP on FreeBSD 12

  • February 8, 2026
  • FreeBSD
  • Comment off

Introduction Deploying harden php on freebsd 12 on a FreeBSD 12 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard base + […]

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How to Install Lua on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install Lua on FreeBSD 12

  • February 8, 2026
  • FreeBSD
  • Comment off

Introduction This guide explains how to Install Lua on FreeBSD 12 on FreeBSD 12. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained privilege separation. […]

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How to Harden Active Directory Against Common Attacks on Windows Server 2025 — step-by-step Windows Server 2025 tutorial on Progressive Robot

How to Harden Active Directory Against Common Attacks on Windows Server 2025

How to Configure Network Policy Server (NPS/RADIUS) on Windows Server 2025 Network Policy Server (NPS) is Microsoft’s implementation of the Remote Authentication Dial-In User Service (RADIUS) protocol, built into Windows Server 2025. NPS acts as the central authentication, authorization, and accounting (AAA) broker for network access requests originating from VPN gateways, wireless access points (802.1X), […]

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