VirtualTam's bookmarks

1. Nokia Design Archive 2025-01-19

   tags: design, electronics, history, microsoft/windows, mobile/symbian, nokia, phone

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   • Nokia Design Archive - Start Page
2. Go - Truncate strings with special characters without corrupting data 2025-01-05

   tags: programming/go, text/unicode

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   • Strings, bytes, runes and characters in Go
   • x/exp/utf8string - Index strings by rune rather than by byte
   • How can I elliptically truncate text in golang?
   • Why can the Go string type contain invalid UTF-8 data?
3. A look at search engines with their own indexes 2024-11-28

   tags: alternative, network/http, search-engine, search-engine/search-engine-optimization, web

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   • Very Alternative Search Engines
   • Neat search engines you may not have heard of
   • Lots of great new search engines popping up that search the rest of the web that Google tends to ignore.
   • How bad are search results? Let's compare Google, Bing, Marginalia, Kagi, Mwmbl, and ChatGPT
4. sqlfluff - A modular SQL linter and auto-formatter with support for multiple dialects and templated code 2024-11-24

   tags: database/mysql, database/postgresql, database/sqlite, programming/python, programming/sql, static-analysis/lint

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   • Configuration
   • Rules Reference
5. Image Dithering - Create the illusion of color depth in images on systems with a limited color palette 2024-11-18

   tags: color/palette, game, image/2d, image/compression, image/dithering, image/noise, indie

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   • Re: Return of the Obra Dinn [GDC 2016 Demo Build] - Dithering Process
   • Ditherpunk — The article I wish I had about monochrome image dithering
   • Cyan's Richard A. Watson - Dithering 101 (archive)
   • Differentiable Dithering
   • What the Heck is Blue Noise?
   • Generating Blue Noise Textures With Void And Cluster
     • Atrix256/VoidAndCluster
     • jdupuy/BlueNoiseDitherMaskTiles
   • Why Your Website Should Use Dithered Images
     • Dither Me This!
   • Why Your Website Should Not Use Dithered Images

   Online dithering tools:

   • Dither It! - A Web application to dither images
     • alexharris/ditherit-v2
   • Building Retro Dither: Dithering Algorithms, Run-Length Encoding, Resource Forks and More!
   • Blue Noise in Futhark
     • Munksgaard/bluenoise
6. Crowdsec - Curated Threat Intelligence Powered by the Crowd 2024-05-29

   tags: bsd, linux/iptables, network/firewall, observability/logging, programming/go

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   • crowdsecurity/crowdsec
   • Documentation
     • Docker / Podman Deployment
     • Data Sources
     • Parsers
     • Configuration
     • Observability / Prometheus
     • OpenAPI Specification
   • Blog
     • Building a Network for Small Businesses Part 1: Hardware
     • Building a Network for Small Businesses Part 2: Running Configurations
     • Building a Network for Small Businesses Part 3: Attack Scenarios
   • Discussion on HN (2020)
7. Building a Kubernetes Home Lab on the Raspberry Pi 2024-05-28

   tags: cryptography/certificate-authority, distributed-system, linux/container, linux/container/kubernetes, network/dns, raspberry-pi, self-hosting

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   1. Architecture & Roadmap
   2. Setup Kubernetes Management Node and Private Certificate Authority
   3. Configuring a Multi-Architecture Build Process
   4. Local DNS Services
8. smallstep/certificates - A private certificate authority (X.509 & SSH) & ACME server for secure automated certificate management 2024-05-27

   tags: cryptography/certificate, cryptography/certificate-authority, network/http, network/http-server/traefik, network/reverse-proxy, network/transport-layer-security, programming/go

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   • Run a private online TLS certificate authority in a Docker container
   • Configure popular ACME clients to use a private CA with the ACME protocol
   • Run your own private CA & ACME server using step-ca
   • Build a Tiny Certificate Authority For Your Homelab
9. NS-3 Network Simulator - A discrete-event network simulator for Internet systems, targeted primarily for research and educational use 2024-05-08

   tags: network, programming/c, programming/c++, programming/python, programming/xml, simulator, user-interface/qt

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   • nsnam/ns-3-dev
   • Tutorial
   • Installation
   • Models
   • NetAnim - Animates a previously executed simulation using an XML trace file generated during a simulation
10. MIDIMonster - A universal control and translation tool for multi-channel absolute-value-based control and/or bus protocols 2024-04-21

    tags: instrument/midi, jack, network/mqtt, osc, programming/c, programming/lua, programming/python, serial-communication/usb

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    • MIDIMonster
    • MIDIMonster Knowledge Base
11. How to use PostgreSQL for (military) geoanalytics tasks 2024-03-31

    tags: country/russia, country/ukraine, database/postgresql, geography/gis, map, nasa/earthdata, war

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    • From Map to Reality: Using PostGIS in Warfare (PDF)
    • NASA Earthdata - Full and open access to NASA’s collection of Earth science data for understanding and protecting our home planet
    • Visible Infrared Imaging Radiometer Suite (VIIRS) Active Fire detection
    • PostgreSQL - GiST - Generalized Search Tree
    • PostgreSQL - SP-GiST - Space-partitioned GiST
    • H3 - Hexagonal hierarchical geospatial indexing system
    • zachasme/h3-pg - PostgreSQL bindings for H3
12. Desmos - Graphing Calculator 2024-03-31

    tags: calculator, mathematics, mathematics/equation, plot, visualization

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    • Getting Started: Desmos Graphing Calculator
    • Desmos: A Definitive Guide on Graphing and Computing
    • Des-blog
    • /r/Desmos
    • /r/Desmos - Wiki
13. ArcGIS Dashboards Gallery 2024-03-31

    tags: earth, geography, geography/gis, map, science, visualization

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    • Active Fires and Hotspots
    • Coronavirus COVID-19 Dashboard
    • Ocean Health Index
    • Sequoia & Kings Canyon National Parks - Soundscape Library
    • Sunken Ships of the Second World War
14. The Zephyr Project - A scalable real-time operating system (RTOS) for use on resource-constrained systems 2024-03-08

    tags: embedded, operating-system, posix, programming/c, programming/python, time/real-time

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    • zephyrproject-rtos/zephyr
    • West, Zephyr's meta-tool
    • Introduction to Zephyr
    • Products running Zephyr
15. Linux perf examples 2024-01-13

    tags: command-line, linux, observability/tracing, performance, performance/profiling

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    • Perf Wiki
    • The Unofficial Linux Perf Events Web-Page
16. Create an advanced search engine with PostgreSQL 2023-07-14

    tags: database/postgresql, programming/sql, search-engine, text

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    • Postgres Full Text Search vs the rest (MeiliSearch, OpenSearch/Elasticsearch, SQlite FTS, Typesense)
    • Optimizing Full Text Search with Postgres tsvector Columns and Triggers
    • Word separators for Postgres full text search with Rails
    • Using PostgreSQL Full Text Search With Golang
    • PostgreSQL: Full Text Search
    • PostgreSQL: Preferred Index Types for Text Search
17. Cube Cola - We are wildcrafting our own cola from an open source recipe reverse-engineered from the original Coke 2023-02-20

    tags: cola, drink, recipe, soda

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    • https://cube-cola.org/index.php?route=information/information&information_id=10
    • https://www.reddit.com/r/linux/comments/8j50ja/this_norwegian_soda_t%C3%B8yen_cola_is_open_source/
    • https://en.wikipedia.org/wiki/OpenCola_(drink)
18. xaos-project/XaoS: Real-time interactive fractal zoomer 2022-12-14

    tags: image, image/fractal, mathematics, programming/c++

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    • https://xaos-project.github.io/index.html
19. NucliaDB - a cloud-native database for unstructured data and vector, text, paragraphs and relations indexing 2022-11-19

    tags: database/nosql, natural-language-processing, network/grpc, network/protocol-buffers, programming/python, programming/rust, search-engine

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    • https://github.com/nuclia/nucliadb
    • https://nuclia.com/building-nuclia/first-release/
    • https://2022.ploneconf.org/schedule/talks/nucliadb-oss-cloud-native-database-for-unstructured-data
    • https://gist.github.com/bloodbare/8381bfd0b11d94f2e8592b1101e695b5
    • https://github.com/nuclia/demos/
20. Seastar, a high performance C++ application framework for high concurrency server applications. 2022-09-04

    tags: distributed-system, programming/c++

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    • https://github.com/scylladb/seastar
    • https://docs.seastar.io/master/index.html