J Dev Lab
personal developer laboratory

Build notes, tools, wikis, snippets, and experiments in one technical workspace.

A static knowledge hub for software engineering, AI systems, Linux, mathematics, philosophy, CS2 analytics, web tooling, package notes, and reusable project documentation.

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12tool categories
48wiki entry slots
โˆžsnippets & notes
0backend required

Tool Index

Quick launch cards for local utilities, code helpers, calculators, scripts, dashboards, and reference generators.

๐Ÿง

Linux Lab

Installer notes, Arch profiles, dotfiles, service units, bootloader references, and shell automation.

ArchsystemdWayland
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AI Workbench

Agent blueprints, prompt systems, RAG notes, embeddings, model routing, and evaluation checklists.

LLMRAGagents
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Web Kit

Reusable HTML/CSS/JS components, deployment notes, static site patterns, and UI templates.

HTMLCSSJS
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CS2 Analytics

HLTV-style metrics, match parsers, economy notes, ranking experiments, and demo visualisation plans.

CS2HLTVstats
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Data Bench

SQLite/PostgreSQL schemas, JSON pipelines, caching patterns, dashboard notes, and data transforms.

SQLitePostgresJSON
ฮป

Formal Systems

Automata, logic, operational semantics, grammars, proof sketches, and philosophy-to-computation maps.

logicBNFsemantics

Project Dashboard

Pin active repos, package ideas, design documents, and implementation roadmaps.

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Personal Wiki + Blog

Static knowledge base with project pages, long-form essays, micro-blogs, package notes, and indexed tags.

status: designpriority: high
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CS2 Analytics Mini-Engine

Parse match data, calculate player metrics, generate ratings, and render tactical dashboards.

status: prototypePython
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Arch/Dotfiles Cleanup

Idempotent setup scripts, package manifests, compositor configs, NVIDIA notes, and boot profiles.

status: ongoingshell
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AI Dev Engine

Local command assistant, task agents, code explainers, project scaffolding, and repo automation.

status: researchagents

Wiki Docs

Living documentation grouped by systems, programming, mathematics, AI, games, philosophy, and deployment.

Code Snippets

Reusable commands, shell patterns, JavaScript helpers, Python utilities, and static-site components.

Bash strict template

#!/usr/bin/env bash
set -Eeuo pipefail
IFS=$'\n\t'

log() { printf '[%s] %s\n' "$(date -Is)" "$*"; }
main() {
  log "starting task"
}
main "$@"

JavaScript debounce

const debounce = (fn, delay = 180) => {
  let timer;
  return (...args) => {
    clearTimeout(timer);
    timer = setTimeout(() => fn(...args), delay);
  };
};

Python JSON helpers

from pathlib import Path
import json

def read_json(path: str | Path, default=None):
    p = Path(path)
    if not p.exists():
        return default
    return json.loads(p.read_text(encoding="utf-8"))

def write_json(path: str | Path, data) -> None:
    Path(path).write_text(json.dumps(data, indent=2), encoding="utf-8")

Semantic card shell

<article class="card">
  <header>
    <span class="tag">Category</span>
    <h2>Card title</h2>
  </header>
  <p>Short summary of the resource.</p>
</article>

Resource Library

Curated references for docs, books, APIs, package registries, tools, and project templates.

๐Ÿ“š

Systems References

Kernel docs, man pages, Arch Wiki notes, boot process maps, filesystem guides, and service recipes.

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Web Platform

HTML, CSS, JavaScript, accessibility, browser APIs, frontend patterns, and static hosting playbooks.

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AI + ML

Model notes, embedding references, prompt libraries, agent schemas, evaluation rubrics, and paper summaries.

Lab Map

A simple information architecture for expanding this static page into a full multi-page site.

/index.htmlDashboard, search, highlighted projects, recent notes.
/wiki/Long-form docs, learning notes, project decisions.
/tools/Calculators, generators, checklists, mini-apps.
/snippets/Reusable code blocks grouped by language and topic.
/projects/Project pages, roadmaps, architecture diagrams.
/packages/Package notes, APIs, CLI references, changelogs.
/blog/Essays, technical articles, philosophy and CS notes.
/assets/Images, diagrams, downloadable cheat sheets.