🔍
gogcpcloud-runcloud-tasksfirestorearchitecture

Cloud Tasks + Firestore: The Durable Queue Pattern Most Tutorials Miss

Cloud Tasks alone is not a durable queue. Pair it with Firestore as the source of truth and you get rate control, retry, visibility, and real durability on Cloud Run.

19-Apr-2026 Read more →
gofirestoredatabasemigrationgcp

Building a Reusable Firestore Migration Runner in Go

A reusable Go library for Firestore collection migrations with cursor-based pagination, batch writes, checkpoint resume, rate limiting, and dry-run. Built for real production use.

29-Mar-2026 Read more →
ocrautomationpythonplaywrightmachine-learning

Solving CHALLENGEs in Browser Automation with Custom OCR

Integrate a custom-trained OCR model into browser automation to solve text-based CHALLENGEs. The OCR service, confidence thresholds, and retry logic.

27-Dec-2025 Read more →
claudeautomationpythonai

Running Claude Code in Batches for Automated Workflows

Learn how to run Claude Code in batches using Python. Automate long-running AI coding tasks with process control, timeouts, and graceful termination.

24-Dec-2025 Read more →
machine-learningdeep-learningocrneural-networksfundamentals

Why CRNN Works for OCR: A First-Principles Explanation for Developers New to AI

Understanding why Convolutional Recurrent Neural Networks with CTC loss became the standard for text recognition. No PhD required - just curiosity about why certain architectures fit certain problems.

24-Dec-2025 Read more →
machine-learningpythonpytorchdata-qualityocr

Teaching AI to Distrust Itself: How I Built a 98% Accurate OCR Model by Learning to Question Everything

Building an OCR model taught me that the hardest part of machine learning isn't the model - it's the labels. Here's how iterative outlier detection and healthy skepticism got us to 98% accuracy.

24-Dec-2025 Read more →
wireguardraspberry-pigcenetworkinghomelab

WireGuard Tunnel: Connecting a Raspberry Pi to Google Cloud

Set up a persistent VPN tunnel between a Raspberry Pi behind NAT and a GCE VM. Foundation for distributed homelab systems.

22-Dec-2025 Read more →
raspberry-pilinuxsshhardwarecommand-line

Identify Your Raspberry Pi Hardware via SSH

Not sure which Raspberry Pi model you have? These SSH commands reveal your Pi's model, CPU, RAM, and OS without needing physical access.

22-Dec-2025 Read more →
raspberry-pilinuxnetworkingsystemdssh

Keep Your Raspberry Pi Online: Fixing WiFi Drops and SSH Disconnects

Raspberry Pi going offline randomly? WiFi power save is likely the culprit. Here is how to keep your Pi accessible 24/7 with systemd services and network recovery.

22-Dec-2025 Read more →
raspberry-pisshlinuxnetworkingheadless

Raspberry Pi Headless SSH Setup: What Changed and How to Fix It

Lost SSH access after reformatting your Pi? Modern Raspberry Pi OS disabled SSH by default. Here is the complete headless setup guide.

21-Dec-2025 Read more →
raspberry-pinetworkingltepolicy-routinglinux

Multi-LTE Dongle Networking on Raspberry Pi

Configure multiple USB LTE dongles with separate routing tables. Each request routes through a different network interface.

21-Dec-2025 Read more →
wireguardvpnnetworkinglinuxsecurity

WireGuard Tutorial: A Practical Guide to Modern VPN Setup

Learn WireGuard from scratch - concepts, configuration, common topologies, and practical examples for setting up secure VPN tunnels between Linux machines.

19-Dec-2025 Read more →
networkingnatfundamentalsexplainer

What Is NAT? Explained Simply

NAT explained with a simple house and mailbox analogy. Understand why your router translates addresses and why your friend cannot join your game server.

18-Dec-2025 Read more →
apiopenapipythonfastapiarchitecture

Contract-First API Development: The Spec as Executable Truth

A deep dive into contract-first API development with OpenAPI and Python. Learn to treat your API specification as an executable contract that validates requests, generates clients, and catches breaking changes before they ship.

11-Dec-2025 Read more →
astroreactrechartsperformancejavascript

Adding Interactive Charts to Your Static Astro Site with Recharts

Learn how to add interactive React charts to Astro using Islands architecture. Get the interactivity you need without shipping JavaScript you don't.

8-Dec-2025 Read more →
devopsdeploymentrollbackinfrastructure

Building Bulletproof Deployments: The knowngoodstate Pattern

A battle-tested deployment pattern that ensures every deploy can be safely rolled back, with pre-linked database backups and verified health checks.

5-Dec-2025 Read more →
dockercontainersdevopstutorial

How to Let Docker Containers Control Other Containers (Without Docker-in-Docker)

Learn how to enable Docker containers to manage other containers by mounting the Docker socket, avoiding the complexity of Docker-in-Docker setups. This tutorial provides a complete working example and discusses security considerations.

29 Nov 2025 Read more →
claudeplaywrightmcpautomationbrowser

Using Playwright MCP with Claude Code

Set up Playwright MCP with Claude Code for browser automation. Simple one-command install with 25 powerful tools. Automate web testing with AI assistance.

16-Nov-2025 Read more →
finffzfripgrepbatzshterminalproductivity

Finf - A Fast, Self-Contained File Searcher with Contextual Previews

Build a powerful file search tool combining ripgrep, fzf, and bat in one Zsh function. Fast, interactive, context-aware code search from your terminal. 5-min setup.

13-Nov-2025 Read more →
spacyllmgrammar-checkernlppython

How to Build a Grammar Checker using spaCy and a Fine-Tuned LLM

Learn how to create a grammar checking tool by combining spaCy's NLP capabilities with a fine-tuned large language model (LLM) for accurate text correction.

11-Nov-2025 Read more →
gitworktreesversion-controldevelopment

Git Worktrees Tutorial

Master Git Worktrees: A Comprehensive Guide to Multi-Branch Development

10-Nov-2025 Read more →
SEOniche-sitegoogle-impressions

🚀 How we will grow Google impressions for our niche site

By improving backlinks, keywords and auto-generated blogs, Google impressions should skyrocket

03-Nov-2025 Read more →
wasmeruiuxdesigntoolbox

Toolbox Styling Inspired by Wasmer.io

Transform your web dashboard with Wasmer.io-inspired design. Complete design system with CSS custom properties, purple gradients, and theme toggle included.

25-Oct-2025 Read more →
gcpgithubvmclouddevelopmentfirst-time-setup

Bringing Your Existing GitHub Code Repository to a Fresh GCP VM

Clone GitHub repositories to fresh GCP VMs with SSH or HTTPS. Complete setup guide covering Git installation, SSH keys, and authentication. Choose the right cloning method.

18-Oct-2025 Read more →
dotfilesbackuprestoregithubbashscript

Dotfiles Backup and Restore Script for GitHub (without links and without touching original files)

Backup and restore dotfiles to GitHub without symlinks. JSON-based configuration with bash scripts for files and directories. Simple cross-machine dotfile synchronization.

14-Oct-2025 Read more →
claudeaicodedevelopment

Claude Code Usage Patterns

Discover proven Claude Code workflows for efficient AI-assisted development. Planning methodology, task breakdown, and production-ready code patterns. Real examples included.

12-Oct-2025 Read more →
fluttermobileuidesignaichatgpt

Building Flutter Apps as a Non-Designer

Build polished Flutter mobile apps without design expertise. AI-first workflow using ChatGPT, Claude, and Material 3. Step-by-step strategy for backend developers.

10-Oct-2025 Read more →
uidesigntoolsdeveloperspythongogcp

Building Webapps as a Non-Designer

Build beautiful webapps without design skills using AI tools like Stitch, Uizard, and Claude. Practical workflow for Python/Go developers. Leverage design systems and AI assistance.

9-Oct-2025 Read more →
ndbgaeapplocalhostpythondevelopment

NDB GAE App on Localhost

Test Google Cloud NDB apps locally with Firestore emulator. Complete Flask setup with Makefile and Datastore mode configuration. Deploy to Cloud Run with confidence.

2-Oct-2025 Read more →
gojavascriptweb-developmentsecurityproof-of-work

Proof Of Work Demo

A demonstration of proof of work (PoW) functionality implemented in Go.

16-Aug-2025 Read more →
bashshell-scriptingdevopscloudgcp

Incognito Shell - Isolating Credentials with Subshells in Bash

Isolate credentials safely with Bash subshells. Learn how to create temporary, self-cleaning execution environments for GCP scripts. No credential leaks guaranteed.

25-Jul-2025 Read more →
dockerpythonsystemdgcedevopslogging

Reliable Python Proxy Server with Docker, systemd, and Log Management on GCE

A Dockerized Python proxy server with automated deployment, logging, and service management using Docker Compose and systemd on a Debian-based GCE instance.

14-Jul-2025 Read more →
sshgoogle-cloudmacosvmcloud-computingfirst-time-setup

Transferring SSH Keys to Google Cloud VMs from macOS

A step-by-step guide to transferring SSH keys from macOS to Google Cloud VMs for secure access.

14-Jul-2025 Read more →
raspberry-pisystemdlinuxpythonbash

The ultimate guide on using systemd to autostart scripts on the Raspberry Pi

Learn how to use systemd to autostart scripts on your Raspberry Pi, replacing the older crontab -e method for better reliability and flexibility.

9-Jul-2025 Read more →
makefilebashlinuxdevopsautomation

How to kill a server from a Makefile

Learn how to kill a server process from a Makefile using the lsof command to find the PID and kill it.

5-Jul-2025 Read more →
tailscaleraspberry-pidockerpythonflaskfunnel

Exposing a Dockerized Python App on a Raspberry Pi Using Tailscale Funnel

Learn how to securely expose a Dockerized Python app running on a Raspberry Pi using Tailscale Funnel, without port forwarding or dynamic DNS.

01-Jul-2025 Read more →
raspberry-pilinuxiotheadless-setup

How to set up Raspberry Pi without a monitor and keyboard aka headless setup

Learn how to set up Raspberry Pi without a monitor and keyboard aka headless setup

25-Jun-2025 Read more →
raspberry-pinetworkingproxylinuxhardware

Raspberry Pi Based Dongle Powered Mobile Proxy Hub

Learn how to set up a dongle-powered mobile proxy hub for testing and development.

23-Jun-2025 Read more →
hurlapi-testinghttpcliautomation

Hurl Tutorial

Learn how to use Hurl, a command-line tool for testing HTTP APIs, with examples and best practices.

21-Jun-2025 Read more →
golangapihttpjson

Chaining POST Requests in Go with JSON - part 2

Learn how to create a generic handler in Go that chains POST requests with JSON data, allowing for optional transformations and forwarding.

17-Jun-2025 Read more →
golangapihttpjson

Chaining POST Requests in Go with JSON - part 1

Learn how to make network requests in Golang with examples.

16-Jun-2025 Read more →
golangmacosdevelopmentsetup

Setup Golang On New Mac

Setup Golang on a new Mac with Homebrew, install necessary tools, and configure the environment for development.

13-May-2025 Read more →
golanggoogle-cloudmemorystoreapp-engineredis

Setup Google Cloud Memorystore with Golang App Engine

Learn how to set up and use Google Cloud Memorystore with a Golang App Engine application for efficient caching and data retrieval.

8-May-2025 Read more →
playwrightdockerpythonautomationtesting

How To Set Up Playwright(Python) with Docker

Set up Playwright Python with Docker for browser automation. Complete Dockerfile, requirements, and scripts included. Isolated, reproducible testing environment ready in minutes.

23-Nov-2024 Read more →
shell-scriptbash

6 techniques to create a great user experience for shell scripts

Here are 6 techniques I use to make shell scripts more user friendly.

30-Sep-2024 Read more →
pythonhttpdebuggingrequests

Debug HTTP Requests in Python

Debug Python HTTP requests with httpdbg tool. Log and view requests/responses in browser at localhost:4909. Perfect for understanding network endpoints in new codebases.

26-Sep-2024 Read more →
numpypythondata-sciencemachine-learning

NumPy Cheatsheet: Your Go-To Guide for Array Manipulation

Master NumPy array manipulation with this comprehensive cheatsheet. Code examples for creation, indexing, operations, and linear algebra. Quick reference for data scientists.

27-Aug-2024 Read more →
material-webweb-componentsjavascriptfrontend

Creating a Material Web Page with Just CDN Libraries

We will be creating a material web page with just CDN libraries and without any build tools. Learn how to create a simple login page using Material Web Components.

24-Jul-24 Read more →
pythongoogle-cloudfirestoredatabase

Simplifying Firestore Interactions with FSEntity Class

This article explores the FSEntity class, a Pythonic way to simplify interacting with and managing data in Google Firestore.

12-Jun-2024 Read more →
flaskpythonweb-developmenttemplatesjinja2

Making Variables Globally Available in Flask Templates

Learn how to make variables globally available in Flask templates using context processors for streamlined access across all template files.

07-Apr-2024 Read more →
litweb-componentsfrontendvue3

Communication Between Sibling Lit Elements Using Vue3

Learn how to establish communication between sibling Lit elements using Vue3 for dynamic content updates based on user selections.

5-Apr-2024 Read more →
litweb-componentsjavascriptfrontend

Communication Between Sibling Lit Elements Using parent Lit element

Learn how to establish communication between sibling Lit elements using parent Lit element for dynamic content updates based on user selections.

5-Apr-2024 Read more →
litweb-componentsjavascriptfrontend

Communication Between Sibling Lit Elements Using Native JavaScript Events

Learn how to establish communication between sibling Lit elements using native JavaScript events for dynamic content updates based on user selections.

28-Mar-2024 Read more →
flaskpythonthreadsweb-developmentasynchronous

Threads and long running tasks in Flask

Learn how to execute long-running tasks asynchronously in Flask using threads, ensuring responsiveness without blocking the main thread.

26-Mar-2024 Read more →
pythonmultiprocessingparallel-processingimapimap_unordered

Difference between pool.imap and pool.imap_unordered in Python Multiprocessing

Exploring the nuances between Python's imap and imap_unordered functions in multiprocessing to help developers understand when to use each for optimal parallel processing.

08-Feb-2024 Read more →
sqlitedatabasesqlmigrationschema

Schema Migration Script for SQLite to Rename and Change Column Type

Rename SQLite columns and change data types safely with migration scripts. Step-by-step guide with backup strategies. Preserve existing data during schema changes.

29-Jan-2024 Read more →
sqlitedatabasemigrationssqlzero-downtime

Zero-downtime Database Migrations in SQLite

Learn zero-downtime SQLite migrations with expand-migrate-contract pattern. Step-by-step guide with SQL examples. Keep your app running during schema changes.

16-Jan-2024 Read more →
sqlitedatabasesqldatetime

Dealing with datetime in SQLite

Handle datetime in SQLite efficiently with Unix epoch timestamps. Save storage space and convert to local timezone when needed. Complete examples included.

15-Jan-2024 Read more →
flaskauthenticationweb-developmentpython

Flask-Login Moving Parts

Understand Flask-Login authentication flow step-by-step. Learn how sessions, cookies, and user_loader work together. Clear explanations with sequence diagrams.

11-Jan-2024 Read more →
nodejscaddyubuntuproductionweb-developmentdevops

How To Set Up a Node.js Application for Production on Ubuntu 22.04 using caddy

Deploy Node.js apps to production on Ubuntu 22.04 with Caddy and PM2. Complete setup guide with HTTPS, firewall, and process management. Production-ready.

10-Jan-2024 Read more →
nodejsnpmnvmubuntujavascriptdevelopment

Installing Node.js and npm on Ubuntu 22.04 Using nvm

Install and manage multiple Node.js versions on Ubuntu 22.04 with nvm. Step-by-step guide with version switching examples. Perfect for multi-project development.

04-Jan-2024 Read more →
slugifybashterminalweb-developmentproductivity

How to quickly slugify a phrase in terminal

Transform phrases into URL-friendly slugs using sed and bash. Create a reusable slugify function for web development. One-liner command with examples included.

04-Jan-2024 Read more →
caddyweb-serverroutingapifile-server

Routing Requests in Caddy to API or File Server Based on Header

Route Caddy requests to API or file server based on custom headers. Learn conditional routing with Caddyfile examples. Flexible request handling for modern web apps.

04-Jan-2024 Read more →
gcpgoogle-cloudcloud-computingdevopsinfrastructure

How to add additional disks in GCP (Google Cloud Platform)

Add and configure additional disks in Google Cloud Platform. Complete guide covering gcloud commands, formatting, mounting, and auto-mount setup included.

03-Jan-2024 Read more →
gitpasswordterminalversion-controldevelopment

How to make git remember your password in terminal

Cache Git credentials in terminal to avoid repeated password prompts. Configure credential helpers with security considerations. One-command setup for faster workflows.

03-Jan-2024 Read more →
djangorest-frameworkapipermissions

Custom Permission Classes in Django Rest Framework

Build custom permission classes in Django REST Framework. Learn has_permission vs has_object_permission with real examples. Combine permissions using AND, OR, NOT operators.

11-Sep-2023 Read more →
flaskgoogle-oauth2authenticationpythonweb-development

Flask Google Signin

Implement Google OAuth2 Sign-In in Flask without libraries. Complete REST HTTP endpoint examples with security best practices. Production-ready authentication code.

9-Aug-2023 Read more →
djangoweb-developmentstatic-files

Django STATIC_ROOT vs STATICFILES_DIR.

This article explains the difference between STATIC_ROOT and STATICFILES_DIRS in Django and how to effectively manage static files in your web application.

27-Jul-2023 Read more →
bashshell-scriptterminalproductivity

Customizing Your Bash Prompt for a More Productive Shell Experience

Customize your Bash prompt for a more productive and visually appealing shell experience with useful information and colors.

26-Jul-2023 Read more →
htmlcssweb-developmentfrontend

How to Use Data Attributes in HTML and CSS

Discover the versatility of data attributes in HTML and CSS, empowering you to store custom data, enhance interactivity, and create flexible web pages.

11-Jul-2023 Read more →
pythonbackendsecurityencryptionmultitenancy

Building a multitenant backend with Python: A Guide to End-to-End Encryption.

Secure Multitenancy with Python: Building a Data Fortress with End-to-End Encryption

10-Jul-2023 Read more →
pythonsqlitesqlalchemybcryptsecurity

Store Password Securely in SQLite: Python, SQLAlchemy, and Bcrypt

Shielding User Passwords: Safeguarding SQLite Databases with Robust Encryption

9-Jul-2023 Read more →
zanzibarauthorizationgooglesecurityaccess-control

Zanzibar Tutorial

Learn how to implement Zanzibar for fine-grained access control in your applications.

27 Jun 2023 Read more →
dockerdockerfiledevopscontainersmulti-stage

How to create a multi-stage docker builds

Unlock the Power of Multi-Stage Docker Builds: Optimize Your Images

20-Jun-2023 Read more →
pwaweb-developmentfrontendjavascriptservice-workers

Make your website a progressive web application.

Transform Your Web App into a PWA: Enhance User Experience

20-Jun-2023 Read more →
postgresqldatabasesqlpsqlcommand-line

Working with PostgreSQL from the Command Line

Harness the Full Potential of Postgres: Command-Line Mastery

10-Jun-2023 Read more →
gitpre-commitversion-controldevelopment

Git pre-commit hooks

Level Up Your Git Skills: Install and Configure with Ease

04-Jun-2023 Read more →
dockerflaskpostgresqlnginxpythondeployment

Dockerizing flask with Postgres, Gunicorn and Nginx

How to dockerize a flask app with Postgres, Gunicorn and Nginx.

28-Apr-2023 Read more →
nginxdevopslinuxweb-serversecurity

Whitelisting of ips in nginx config

Whitelist IPs in Nginx for enhanced security. Configure IP restrictions for domains, subdomains, URLs, and IP ranges. Protect your web applications with access control.

23-Apr-2023 Read more →
linuxcommand-linetext-manipulation

Linux Cat Command

Master the Linux Cat Command: Simplify Text Manipulation

8-Apr-2023 Read more →