Standard Search

https://rednafi.com/misc/dotfile-stewardship-for-the-indolent/ · 27 Sep 2023

Manage dotfiles across devices with GNU Stow. Symlink configuration files from git repo to home directory with simple, idempotent commands.

Self-hosted Google Fonts in Hugo

https://rednafi.com/misc/self-hosted-google-fonts-in-hugo/ · 14 Sep 2023

Host Google Fonts locally in Hugo without CDN dependency. Download woff2 files, configure CSS, and improve performance while maintaining GDPR compliance.

til hugo web

Dummy load balancer in a single Go script

https://rednafi.com/go/dummy-load-balancer/ · 30 Aug 2023

Build a working round-robin load balancer in Go with goroutines and the standard library. No dependencies needed for this educational prototype.

go til networking

Limit goroutines with buffered channels

https://rednafi.com/go/limit-goroutines-with-buffered-channels/ · 23 Aug 2023

Control goroutine concurrency with buffered channels as semaphores. Prevent resource exhaustion with backpressure patterns in Go workers.

go til concurrency

Writing a TOTP client in Go

https://rednafi.com/go/totp-client/ · 20 Aug 2023

Build a TOTP-based 2FA client in Go using the standard library. Generate time-based one-time passwords like Google Authenticator.

go til security

Interface guards in Go

https://rednafi.com/go/interface-guards/ · 18 Aug 2023

Use compile-time interface guards to verify type conformity in Go without runtime overhead. Learn the var _ Interface = (*Type)(nil) pattern.

go til api

Go structured logging with slog

https://rednafi.com/go/structured-logging-with-slog/ · 10 Aug 2023

Master Go 1.21's log/slog package for structured logging with levels, JSON output, and attribute grouping. No third-party libraries needed.

go til logging

Taming conditionals with bitmasks

https://rednafi.com/python/tame-conditionals-with-bitmasks/ · 29 Jul 2023

Replace complex nested conditionals with Python's enum.Flag and bitmasks for cleaner, more maintainable logic using bitwise operations.

python til

Using DNS record to share text data

https://rednafi.com/misc/dns-record-to-share-text/ · 17 Jul 2023

Share data via DNS TXT records using dig and base64 encoding. Learn limitations, security concerns, and practical use cases for DNS tunneling.

shell unix til networking

Memory leakage in Python descriptors

https://rednafi.com/python/memory-leakage-in-descriptors/ · 16 Jul 2023

Prevent memory leaks in Python descriptors by using weakref to avoid hard references that prevent garbage collection of validated objects.

python til performance