Build useful, safe AI automation: calling a large language model API, prompt design, tool use, agent loops, building a Model Context Protocol (MCP) server with FastMCP, connecting business systems, guardrails and cost control.
SIP and RTP explained, Asterisk 22 with PJSIP, trunks and DIDs, extensions and dialplan, IVRs, queues, voicemail, mobile softphones over TLS, NAT, security and call quality.
Selectors, cascade and specificity, the box model, typography and colour, Flexbox, Grid, responsive design, transitions and animations, and maintainable CSS.
Variables, types, functions, objects and arrays, the DOM and events, modules, asynchronous code with promises and async/await, fetch and APIs, errors and debugging.
SELECT, filtering, sorting, joins, grouping and aggregates, subqueries and CTEs, window functions, inserting and updating safely, indexes and transactions.
The grid, utilities, components (navbar, cards, modals, forms), customising with Sass and CSS variables, and building a full responsive business site.
Components and JSX, props and state, events and forms, effects and data fetching, lists and keys, routing, state management, testing and deployment with Vite.
Commits, branches, merging and rebasing, remotes, pull/merge requests, resolving conflicts, tags and releases, undoing mistakes, and a team workflow on GitLab or GitHub.
Install and secure PostgreSQL, roles and permissions, configuration and tuning, VACUUM and autovacuum, indexes and EXPLAIN, backups with pg_dump and PITR, streaming replication and monitoring.
Safe scripts with set -euo pipefail, variables and quoting, conditions and loops, functions, arguments, text processing with grep/sed/awk, cron and systemd timers, logging and error handling.
Pipelines as code with GitLab CI and GitHub Actions: stages, runners, tests, artifacts and caching, Docker builds, environments, secrets, deployment strategies and rollbacks.
Accounts and IAM, regions, EC2, S3 (including Object Lock), VPC networking, RDS, Route 53, SES email, backups, monitoring, cost control and security for Australian businesses.
No leaderboard currently :(
