The key ideas from Christian Ekrem's article on Peter Naur's essay and why it matters more than ever in the age of generative AI.

How to enable live Markdown preview in Kate using markdownpart.

How to set up udev rules so Vial can detect your Vial-firmware keyboard on Linux, using the universal magic serial rule.

Sixth installment in the series on software engineering with AI agents. Today we look at the project that GitHub has turned into the de facto standard for specification-driven development: Spec Kit.

So far we have covered methodologies for directing agents: compound engineering (Every), discipline skills (Addy Osmani), a complete operating …

Fifth installment of the series on software engineering with agents. Today it is the project that is taking off right now: Matt Pocock's skills.

I have covered Superpowers (Jesse Vincent), Agent Skills (Addy Osmani), and Compound Engineering (Every). Each brings an important piece of the puzzle. But Matt Pocock's skills …

Fourth installment in the series on agent-driven software engineering. Today I am covering a project that has changed the game: Superpowers, by Jesse Vincent.

With 180,000 stars on GitHub and 16,000 forks, Superpowers is the most popular agent skills framework today. But what makes it special is not …

In the previous two parts of this series we have seen an overview of agent-driven engineering and then Every's compound engineering methodology. Now for another similar approach: Agent Skills, Addy Osmani's project at Google that has nearly 30,000 stars on GitHub and tackles the problem from a completely different …

In the first part of this series I talked about how AI agents have changed the way I build software. But that was just the warm-up. What follows is the vision of a company that has taken this idea to the extreme: Every, the startup from Dan Shipper and Kieran …

After more than 20 years of writing code, the rise of AI agents has changed how I work more than any new framework or language ever could. It is not about the AI writing code for me, but about letting me stay focused on what actually matters: design, architecture, and …

Winhance is a C# utility to debloat, optimize, and customize Windows 10/11 without needing to reinstall the system.

A comparison of three extensions for running subagents in pi — TintinWeb, NicoBailon, and Taskplane — each with a different approach.

Using an overly aggressive DNS blocklist in NextDNS broke AliExpress affiliate links. Diagnosed with dig and fixed by switching to HaGeZi Multi PRO.

Workaround for scanning double-sided documents with the Brother DCP-L3560CDW and its simplex document feeder.

marksman is a language server protocol (LSP) implementation for Markdown that adds autocompletion, cross-file navigation, and error detection to any compatible editor.

La subida de los 'cacharritos'

Neofetch, a command-line system information tool.

Rufus, a great tool for creating Windows installation media, allowing you to disable Microsoft's forced AI integrations.

Aurora: Image-based, atomic updates, devcontainers, homebrew, and the whole DX experience I'm testing in a VM.

How to expand the virtual disk of an Aurora VM running on Unraid and resize Btrfs partitions within the operating system.

Artur Sulej's project that automatically builds and publishes the latest versions of top Rust books as eBooks. Updated daily.

If you use Windows (or WSL), Git has been silently converting your line endings. One command fixes it.

Comparing gh skill vs npx skills for installing and managing AI agent skills.

Mental note about Velvet OS, an interesting project to update kernels on old ARM devices.

Testing Gemini's video generation with Seville-based characters.

Overview of Google Stitch as a tool for generating user interfaces and interactive prototypes using artificial intelligence.

Known rbw bug when syncing with Bitwarden or Vaultwarden: "failed to parse JSON: missing field access_token". The fix is to clear the local cache.

Using rbw to export environment variables from Bitwarden, useful for setting API keys securely without storing them on disk.

Crit is a tool designed to close the code review loop for AI-generated code, providing an intuitive and efficient web interface.

Two features of the pi-powerline-footer plugin that go beyond the typical footer with model information.

agent-browser is a tool from Vercel that allows AI agents to navigate the web and perform actions just like a human would, easily integrating with agent frameworks.

Tailscale's Aperture centralizes LLM access by eliminating the need to distribute API keys to developers, using Tailscale identity for authentication.

Discovering sem, a CLI tool that understands your code's semantics and tells you what entities changed, not just what lines.

Quick reminder about os.click for downloading official ISOs.

A guide to equivalents between classic net-tools commands (ifconfig, route, arp) and modern iproute2 commands (ip).

How to fix Rodney crash when starting Chrome on Wayland systems by using the system Chrome.

Discover asciinema, the perfect tool to record your terminal sessions in a lightweight, reproducible, and easy-to-share way.

Introducing kitty-rbw, a "kitten" for the kitty terminal that allows you to search and use rbw (Bitwarden) credentials instantly using fzf.

How to install and configure rbw, a Rust implementation of the Bitwarden client, and how to integrate it into your workflows with pi-agent.

When working with structured data in Python, we often need to compare two dictionaries, JSONs, or complex objects to find out what has changed. While direct comparison (==) is useful, sometimes we need to understand exactly what is different: which keys were added, which were removed, or where values have changed …

Discover Glow, a tool to render Markdown directly in the terminal, ideal for reading documentation and READMEs.

Have you ever needed to take screenshots of a web page programmatically? Perhaps to document your project, monitor UI changes, or generate images for social media. There are many ways to do it, but shot-scraper stands out for its ease of use and power.

Created by Simon Willison, shot-scraper is …

If you work with Kubernetes, you've probably suffered through the kubectl logs command. It's useful for viewing the logs of a specific pod, but it falls short when you have multiple replicas of a service or when pods restart and change names.

This is where Stern comes in.

Stern allows …

Install binaries directly from GitHub releases easily with gah.

broot is a terminal tool for interactive directory exploration with fuzzy search, multiple panels, and file preview.

Explore YAML options for effectively handling multiline strings, with an interactive demo that allows you to test them in real-time.

Discover how the Pandas Styler object allows you to apply conditional formatting and CSS styles to your DataFrames for better data visualization and presentation.

Discover fresh, a fast, modern, modeless terminal text editor, ideal for casual file editing, surpassing nano and vim in simplicity for regular use.

Quick guide to inspecting the contents of RPM packages and determining which packages own specific files on your Linux system.

Discover Kooha, a minimalist screen recording application for Linux that combines ease of use with essential features.

Exploring OpenEvidence, a leading platform that consolidates medical information, clinical findings, and practice guidelines for healthcare professionals in the US.

Discover direnv, a shell extension that automatically loads and unloads environment variables when changing directories, keeping your configuration clean and organized.

mendhak/docker-http-https-echo is a simple Docker container that facilitates debugging network configurations, proxies, and load balancers.

Discover Kubegres, a Kubernetes operator that simplifies the deployment and management of highly available and scalable PostgreSQL clusters.

Understand the different TCP connection states reported by netstat and ss, from establishment to termination, for better network diagnosis.

Learn how to configure Python's logging module to avoid message overload from third-party libraries, keeping your logs clean and useful.

Configure Kitty for instant and efficient access, combining the power of a modern terminal with the convenience of a dropdown.

A quick guide to the most useful Kitty keyboard shortcuts to optimize your command-line workflow.

Exploring the reasons and benefits of switching from Yakuake to Kitty for a more powerful and customizable terminal experience.

Discover how Poe the Poet allows you to define and execute custom commands directly from your pyproject.toml, optimizing your workflow in uv environments.

A practical approach to using git worktrees and maximizing productivity with multiple simultaneous work contexts

Combining vector search and full-text search in SQLite using Reciprocal Rank Fusion for better results

Advanced techniques to integrate geospatial data sources using DuckDB, H3, Ollama, and embedding models

HTTPX emerges as the natural successor to requests, offering async support, HTTP/2, and a modern API for contemporary Python applications.

Server-Sent Events offer a simple and efficient alternative to WebSockets for unidirectional server-to-client communication in web applications

PosteRazor converts any image into a giant poster by splitting the image into printable pages that you can assemble

As always, another reminder note.

If you filter mail in gmail by unread (is:unread), you get all unread mail, which in my case always includes hundreds of notifications, social, promotions, or forums which is usually not what I'm looking for.

To search for unread emails from the Primary tab …

Automated workflow to create technical documentation using Sphinx, Paver, and Cog, eliminating repetitive tasks and manual errors in code examples

Linux commands to determine how many RAM slots are occupied and their capacity using dmidecode, lshw, and hardware inspection techniques

Fundamental concepts about High-Frequency Trading (HFT) systems, programs that execute thousands of trades per day in fractions of a second

Methods and tools to discover active devices on local networks using nmap, arp-scan, netdiscover, and other reconnaissance techniques

Collection of essential command line tools for developers: curl, ngrep, netcat, sshuttle, siege, and mitmproxy

Sysdig offers a comprehensive security platform for cloud-native environments that combines AI, real-time visibility, and open source innovation

Techniques in Python to create generators that can be iterated multiple times, overcoming the "one-shot" limitation of standard generators

Stop firefox from opening the pasted url with the middle mouse button

CSS technique to place two links on the same horizontal row within a Bootstrap dropdown menu using flexbox

Galen Framework simplifies automated testing of responsive layouts by verifying the position and appearance of elements across different devices

Analysis of X-Forwarded-For and X-Real-IP headers, their origins, differences, and how to determine the client's real IP in architectures with multiple proxies

How to configure Nginx to pass the client's real IP to backend servers using the X-Forwarded-For header in reverse proxy configurations

SQL techniques to select complete rows with the maximum value of a column within groups, comparing performance of subqueries, joins, and window functions

Let's use threads in python to periodically execute a function

To measure the bandwidth I am using right now, I use NetHogs

By default, it looks for a network interface called "eth0". If it doesn't find it, it complains like this:

ioctl failed while establishing local IP for selected device eth0. You may specify the device on the command line …

As I said, Google announced the closure of Google Code.

Today I received the email notifying me (I had a test project hosted there) that I could move my projects simply to github, the de facto repository for free software today (sorry for bitbucket and especially for mercurial).

Its interface …

postresql command line

I am writing again.

To force a django view to be called only via AJAX calls.

def ajax_required(f):
    """
    AJAX request required decorator
    use it in your views:

    @ajax_required
    def my_view(request):
        ....

    """
    def wrap(request, *args, **kwargs):
        if not request.is_ajax():
            return HttpResponseBadRequest()
        return f(request, *args, **kwargs)
    wrap.__doc__ = f.__doc__
    wrap.__name__ …

FileFields in Django need an upload_to function that determines where the file will be uploaded. I usually have a generic function in utils.py that leaves them in a subfolder with the model name.

import os

def generic_upload_to(instance, filename):
    """
    Generic `upload_to` function for models.FileField and models.ImageField
    which …

In my projects I usually use links to related items in the admin change_list.

from django.contrib import admin
from django.contrib.contenttypes.models import ContentType
from django.core import urlresolvers
from django.utils.datastructures import SortedDict …

I usually use this at the beginning of projects.

from django.conf import settings as django_settings
from django.core.exceptions import ImproperlyConfigured


def settings(request):
    """
    Adds the settings specified in settings.TEMPLATE_VISIBLE_SETTINGS to
    the request context.
    """
    new_settings = {}
    for attr in django_settings.TEMPLATE_VISIBLE_SETTINGS:
        try:
            new_settings[attr] = getattr(django_settings, attr)
        except AttributeError …