528 lines
22 KiB
HTML
528 lines
22 KiB
HTML
<!doctype html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>Havox — John Gatward</title>
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<link rel="preconnect" href="https://fonts.googleapis.com" />
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<link
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href="https://fonts.googleapis.com/css2?family=JetBrains+Mono:ital,wght@0,400;0,700;1,400&family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,600;1,9..144,300&display=swap"
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rel="stylesheet"
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/>
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<link rel="stylesheet" href="style.css" />
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</head>
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<body>
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<!-- ─── Nav ─────────────────────────────────────────────────── -->
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<nav>
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<a href="#hero" class="nav-logo">havox</a>
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<ul class="nav-links">
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<li><a href="#about">about</a></li>
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<li><a href="#skills">skills</a></li>
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<li><a href="#tutorials">tutorials</a></li>
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<li><a href="#projects">projects</a></li>
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<li><a href="#contact">contact</a></li>
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</ul>
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</nav>
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<!-- ─── Hero ─────────────────────────────────────────────────── -->
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<section id="hero">
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<p class="hero-eyebrow">// havox — v4</p>
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<h1 class="hero-name">John <em>Gatward</em></h1>
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<p class="hero-subtitle">Software Engineer</p>
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<p class="hero-desc">
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<span class="hero-by-line">
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<span class="hero-by">Backend engineer</span>
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<span class="hero-by-role">by trade</span>
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</span>
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<span class="hero-by-line">
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<span class="hero-by">Full-stack developer</span>
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<span class="hero-by-role">by curiosity</span>
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</span>
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<span class="hero-by-line">
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<span class="hero-by">Unofficial family cloud engineer</span>
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<span class="hero-by-role">by necessity</span>
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</span>
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<span class="hero-by-footer">
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I like building useful things and figuring how they work.
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</span>
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</p>
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<div class="hero-links">
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<a href="#projects" class="btn btn-primary">see my work</a>
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<a
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href="https://github.com/jayo60013"
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class="btn btn-ghost"
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target="_blank"
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rel="noopener"
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>
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<svg width="14" height="14" viewBox="0 0 24 24" fill="currentColor">
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<path
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d="M12 0C5.37 0 0 5.37 0 12c0 5.31 3.435 9.795 8.205 11.385.6.105.825-.255.825-.57 0-.285-.015-1.23-.015-2.235-3.015.555-3.795-.735-4.035-1.41-.135-.345-.72-1.41-1.23-1.695-.42-.225-1.02-.78-.015-.795.945-.015 1.62.87 1.845 1.23 1.08 1.815 2.805 1.305 3.495.99.105-.78.42-1.305.765-1.605-2.67-.3-5.46-1.335-5.46-5.925 0-1.305.465-2.385 1.23-3.225-.12-.3-.54-1.53.12-3.18 0 0 1.005-.315 3.3 1.23.96-.27 1.98-.405 3-.405s2.04.135 3 .405c2.295-1.56 3.3-1.23 3.3-1.23.66 1.65.24 2.88.12 3.18.765.84 1.23 1.905 1.23 3.225 0 4.605-2.805 5.625-5.475 5.925.435.375.81 1.095.81 2.22 0 1.605-.015 2.895-.015 3.3 0 .315.225.69.825.57A12.02 12.02 0 0 0 24 12c0-6.63-5.37-12-12-12z"
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/>
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</svg>
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GitHub
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</a>
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<a
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href="https://www.linkedin.com/in/jaygatward"
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class="btn btn-ghost"
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target="_blank"
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rel="noopener"
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>
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<svg width="14" height="14" viewBox="0 0 24 24" fill="currentColor">
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<path
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d="M20.447 20.452h-3.554v-5.569c0-1.328-.027-3.037-1.852-3.037-1.853 0-2.136 1.445-2.136 2.939v5.667H9.351V9h3.414v1.561h.046c.477-.9 1.637-1.85 3.37-1.85 3.601 0 4.267 2.37 4.267 5.455v6.286zM5.337 7.433a2.062 2.062 0 0 1-2.063-2.065 2.064 2.064 0 1 1 2.063 2.065zm1.782 13.019H3.555V9h3.564v11.452zM22.225 0H1.771C.792 0 0 .774 0 1.729v20.542C0 23.227.792 24 1.771 24h20.451C23.2 24 24 23.227 24 22.271V1.729C24 .774 23.2 0 22.222 0h.003z"
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/>
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</svg>
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LinkedIn
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</a>
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</div>
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</section>
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<div class="divider"></div>
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<!-- ─── About ─────────────────────────────────────────────────── -->
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<section id="about" class="about-section">
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<div class="reveal">
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<p class="section-label">about</p>
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<h2 class="section-heading">Havox & <em>me</em></h2>
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</div>
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<!-- Bio blocks -->
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<div class="about-grid">
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<div class="about-block reveal" style="transition-delay: 0.05s">
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<span class="about-block-tag tag tag-blue">day job</span>
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<p>
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CS graduate from the University of Nottingham (2022), now working as
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a backend engineer at <strong>Sainsbury's</strong> Supply Chain
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& Logistics — building microservices with Spring Boot on AWS,
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designing REST APIs, connecting services with Kafka, and storing
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data in MongoDB.
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</p>
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</div>
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<div class="about-block reveal" style="transition-delay: 0.1s">
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<span class="about-block-tag tag tag-green">home infra</span>
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<p>
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I run a home server that hosts media and projects for friends and
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family. I enjoy building things that feel solid and useful — from
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small games like
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<em>Crack the Quote</em> to websites and services running on my own
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hardware.
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</p>
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</div>
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<div class="about-block reveal" style="transition-delay: 0.15s">
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<span class="about-block-tag tag tag-teal">linux</span>
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<p>
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Long-time Linux user. Used to distro-hop obsessively and be deep in
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the ricing community — these days it's Hyprland on Void Linux and a
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growing collection of scripts that make the day job easier.
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</p>
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</div>
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<div class="about-block reveal" style="transition-delay: 0.2s">
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<span class="about-block-tag tag tag-yellow">teaching</span>
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<p>
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I tutored during school and university — CS, maths, English.
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Teaching stuck with me. Explaining things clearly is a skill, and
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it's why I also write tutorials here.
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</p>
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</div>
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<div
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class="about-block about-block--wide reveal"
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style="transition-delay: 0.25s"
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>
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<span class="about-block-tag tag tag-mauve">havox</span>
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<p>
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Havox started as a place to document whatever I found cool —
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tutorials, visualisations, experiments. It's been running in some
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form since 2017, gone through four major redesigns, and outlasted
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several domains. It represents my entire journey through technology,
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and it's still going.
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</p>
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</div>
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</div>
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<!-- Version timeline -->
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<div class="reveal" style="transition-delay: 0.3s">
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<p class="section-label" style="margin-top: 3.5rem">version history</p>
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<div class="version-timeline">
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<div class="version-item">
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<div class="v-dot"></div>
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<div class="v-content">
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<div class="v-title">Havox V4 — this one</div>
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<div class="v-year">2025 → present</div>
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<div class="v-desc">
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Catppuccin Mocha. Single page. Trying to get a new job this
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time.
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</div>
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</div>
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</div>
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<div class="version-item">
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<div class="v-dot"></div>
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<div class="v-content">
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<div class="v-title">Havox V3</div>
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<div class="v-year">2023 → 2025</div>
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<div class="v-desc">
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Borrowed a template. Nord theme. Took SCSS seriously. Considered
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mobile widths.
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</div>
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</div>
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</div>
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<div class="version-item">
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<div class="v-dot"></div>
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<div class="v-content">
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<div class="v-title">Havox V2</div>
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<div class="v-year">2019 → 2022</div>
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<div class="v-desc">
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First SCSS project. First site on own hardware — a Debian box
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running nginx. Nord theme.
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</div>
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</div>
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</div>
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<div class="version-item">
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<div class="v-dot"></div>
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<div class="v-content">
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<div class="v-title">Havox.org</div>
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<div class="v-year">2017 → 2019</div>
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<div class="v-desc">
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Entire site in one PHP file 🤣. Had a Python quote-of-the-day
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via cronjob though. <s>Counts.</s>
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</div>
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</div>
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</div>
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</div>
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</div>
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</section>
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<div class="divider"></div>
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<!-- ─── Skills ─────────────────────────────────────────────────── -->
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<section id="skills">
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<p class="section-label reveal">skills</p>
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<h2 class="section-heading reveal" style="transition-delay: 0.05s">
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What I <em>know</em>
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</h2>
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<div class="skills-grid">
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<div class="skill-card reveal">
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<span class="skill-card-icon">☕</span>
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<h3>Backend</h3>
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<p>
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Professional Java experience building RESTful APIs with Spring Boot.
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Testing with JUnit & Mockito. Data persistence with MySQL, H2, JDBC.
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</p>
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<div class="tag-row">
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<span class="tag tag-blue">Java</span>
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<span class="tag tag-green">Spring Boot</span>
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<span class="tag tag-peach">REST</span>
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<span class="tag tag-teal">JUnit</span>
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<span class="tag tag-sky">MySQL</span>
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</div>
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</div>
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<div class="skill-card reveal" style="transition-delay: 0.08s">
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<span class="skill-card-icon">🌐</span>
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<h3>Frontend & Creative</h3>
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<p>
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JavaScript, p5.js, HTML/CSS/Scss. I enjoy visualising algorithms
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interactively — it's more fun than a console output.
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</p>
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<div class="tag-row">
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<span class="tag tag-yellow">JavaScript</span>
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<span class="tag tag-peach">p5.js</span>
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<span class="tag tag-mauve">Scss</span>
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<span class="tag tag-blue">HTML/CSS</span>
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</div>
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</div>
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<div class="skill-card reveal" style="transition-delay: 0.16s">
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<span class="skill-card-icon">🖥</span>
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<h3>Systems & Infra</h3>
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<p>
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Long-term Linux user. Self-hosted web & media servers. Comfortable
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with networking, security practices, and the command line.
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</p>
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<div class="tag-row">
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<span class="tag tag-green">Linux</span>
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<span class="tag tag-teal">nginx</span>
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<span class="tag tag-sky">Networking</span>
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<span class="tag tag-peach">Self-hosting</span>
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</div>
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</div>
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<div class="skill-card reveal" style="transition-delay: 0.24s">
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<span class="skill-card-icon">🎓</span>
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<h3>Academic Breadth</h3>
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<p>
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C, C++, Haskell from uni. Coursework across Android dev, distributed
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systems, graphics, cryptography, malware analysis.
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</p>
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<div class="tag-row">
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<span class="tag tag-blue">C / C++</span>
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<span class="tag tag-mauve">Haskell</span>
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<span class="tag tag-yellow">Algorithms</span>
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<span class="tag tag-teal">Security</span>
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</div>
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</div>
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</div>
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</section>
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<div class="divider"></div>
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<!-- ─── Tutorials ─────────────────────────────────────────────── -->
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<section id="tutorials">
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<p class="section-label reveal">tutorials</p>
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<h2 class="section-heading reveal" style="transition-delay: 0.05s">
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Things I <em>wrote down</em>
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</h2>
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<p class="section-intro reveal" style="transition-delay: 0.1s">
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Best way to learn is to teach. When I find something interesting I write
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a short tutorial — mainly to consolidate my own understanding, but if it
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helps someone else that's a win.
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</p>
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<div class="card-grid reveal" style="transition-delay: 0.15s">
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<a class="card" href="tutorials/summed_area/summed-area.html">
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<span class="card-date">3 Jan 2021</span>
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<span class="card-title">Summed-area tables</span>
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<span class="card-desc"
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>Integral images — what they are, how they work, and why they're
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surprisingly useful for image processing.</span
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>
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<span class="card-arrow">→</span>
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</a>
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<a class="card" href="terrainGen/index.html">
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<span class="card-date">3 Feb 2019</span>
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<span class="card-title"
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>Midpoint displacement terrain generation</span
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>
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<span class="card-desc"
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>Generating random, natural-looking 2D terrains using the midpoint
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displacement algorithm.</span
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>
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<span class="card-arrow">→</span>
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</a>
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<a class="card" href="TSP_files/index.php">
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<span class="card-date">22 Sep 2018</span>
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<span class="card-title">Travelling salesperson</span>
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<span class="card-desc"
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>Different implementations of the TSP problem — a classic that never
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gets old.</span
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>
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<span class="card-arrow">→</span>
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</a>
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<a class="card" href="jarvisMarsh/index.php">
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<span class="card-date">14 Feb 2018</span>
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<span class="card-title">Convex hull generator</span>
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<span class="card-desc"
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>Wrapping algorithms — visualising how to find the convex hull of a
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point set.</span
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>
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<span class="card-arrow">→</span>
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</a>
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</div>
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</section>
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<div class="divider"></div>
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<!-- ─── Projects ──────────────────────────────────────────────── -->
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<section id="projects">
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<p class="section-label reveal">projects</p>
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<h2 class="section-heading reveal" style="transition-delay: 0.05s">
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Things I <em>built</em>
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</h2>
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<p class="section-intro reveal" style="transition-delay: 0.1s">
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Mostly p5.js — visualising algorithms in ways that look more interesting
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than they have any right to. Most use
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<code
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style="
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background: var(--surface0);
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color: var(--peach);
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padding: 1px 5px;
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border-radius: 3px;
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font-size: 0.8em;
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"
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>mouseClicked()</code
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>
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so desktop only, sorry mobile.
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</p>
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<div class="card-grid reveal" style="transition-delay: 0.15s">
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<a class="card" href="projects/drawing_curves/index.html">
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<span class="card-date">1 Oct 2021</span>
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<span class="card-title">Drawing Bézier curves</span>
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<span class="card-desc"
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>Interactive animated diagram for quadratic and cubic Bézier curves.
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Click to place points.</span
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>
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<span class="card-arrow">→</span>
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</a>
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<a class="card" href="projects/marching_squares.html">
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<span class="card-date">23 Sep 2021</span>
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<span class="card-title">2D Marching squares</span>
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<span class="card-desc"
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>Marching squares in action — click a tile to edit the
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terrain.</span
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>
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<span class="card-arrow">→</span>
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</a>
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<a class="card" href="projects/sorting_vis.html">
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<span class="card-date">11 Apr 2020</span>
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<span class="card-title">Bubble sort visualiser</span>
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<span class="card-desc"
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>Bars sorted by height, one frame per loop. Classic.</span
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>
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<span class="card-arrow">→</span>
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</a>
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<a class="card" href="projects/warp_lines.html">
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<span class="card-date">2 Apr 2020</span>
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<span class="card-title">Müller-Lyer illusion</span>
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<span class="card-desc"
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>A visualisation of the Müller-Lyer optical illusion rendered in
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JS.</span
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>
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<span class="card-arrow">→</span>
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</a>
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<a class="card" href="projects/fourier_series.html">
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<span class="card-date">27 Feb 2019</span>
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<span class="card-title">Fourier series</span>
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<span class="card-desc"
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>Building a square wave from nothing but sine waves.
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Mesmerising.</span
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>
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<span class="card-arrow">→</span>
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</a>
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<a class="card" href="projects/ellipse_const.html">
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<span class="card-date">23 Feb 2019</span>
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<span class="card-title">Constructing an ellipse</span>
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<span class="card-desc"
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>How an ellipse can be constructed with a circle and radial lines —
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inspired by 3Blue1Brown.</span
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>
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<span class="card-arrow">→</span>
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</a>
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<a class="card" href="projects/gameoflife.php">
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<span class="card-date">2 May 2018</span>
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<span class="card-title">Game of Life</span>
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<span class="card-desc"
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>A JS implementation of Conway's classic. Still fascinating.</span
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>
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<span class="card-arrow">→</span>
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</a>
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<a class="card" href="projects/piApprox.php">
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<span class="card-date">18 Mar 2018</span>
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<span class="card-title">Calculating PI</span>
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<span class="card-desc"
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>Monte Carlo method — ratio of randomly placed dots in a square vs
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circle.</span
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>
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<span class="card-arrow">→</span>
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</a>
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<a class="card" href="projects/oscil.php">
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<span class="card-date">17 Dec 2017</span>
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<span class="card-title">Oscillations in 3D</span>
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<span class="card-desc"
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>JS implementation of a Bees and Bombs gif. One of my oldest.</span
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>
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<span class="card-arrow">→</span>
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</a>
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<a class="card" href="projects/mazeGen.php">
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<span class="card-date">13 Nov 2017</span>
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<span class="card-title">Maze generator</span>
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<span class="card-desc"
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>A maze generator in JS. The first project that made me think "oh, I
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like this".</span
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>
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<span class="card-arrow">→</span>
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</a>
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</div>
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</section>
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<div class="divider"></div>
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<!-- ─── Contact ───────────────────────────────────────────────── -->
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<section id="contact">
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<p class="section-label reveal">contact</p>
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<div class="contact-inner reveal" style="transition-delay: 0.1s">
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<div>
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<h2>Let's <em>talk</em></h2>
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<p>
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I'm currently employed but open to the right opportunity — backend
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or full-stack, somewhere that ships interesting things with people
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who care about their craft.
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</p>
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<p>
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GitHub has the most complete picture of how I think. LinkedIn if
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you're formal. Either works.
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</p>
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</div>
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<div class="contact-links">
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<a
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href="https://github.com/jayo60013"
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class="contact-link"
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target="_blank"
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rel="noopener"
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>
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<span class="contact-link-icon">
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<svg
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width="18"
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height="18"
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viewBox="0 0 24 24"
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fill="currentColor"
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>
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<path
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d="M12 0C5.37 0 0 5.37 0 12c0 5.31 3.435 9.795 8.205 11.385.6.105.825-.255.825-.57 0-.285-.015-1.23-.015-2.235-3.015.555-3.795-.735-4.035-1.41-.135-.345-.72-1.41-1.23-1.695-.42-.225-1.02-.78-.015-.795.945-.015 1.62.87 1.845 1.23 1.08 1.815 2.805 1.305 3.495.99.105-.78.42-1.305.765-1.605-2.67-.3-5.46-1.335-5.46-5.925 0-1.305.465-2.385 1.23-3.225-.12-.3-.54-1.53.12-3.18 0 0 1.005-.315 3.3 1.23.96-.27 1.98-.405 3-.405s2.04.135 3 .405c2.295-1.56 3.3-1.23 3.3-1.23.66 1.65.24 2.88.12 3.18.765.84 1.23 1.905 1.23 3.225 0 4.605-2.805 5.625-5.475 5.925.435.375.81 1.095.81 2.22 0 1.605-.015 2.895-.015 3.3 0 .315.225.69.825.57A12.02 12.02 0 0 0 24 12c0-6.63-5.37-12-12-12z"
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/>
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</svg>
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</span>
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<span class="contact-link-label">GitHub</span>
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<span class="contact-link-handle">jayo60013</span>
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</a>
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<a
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href="https://www.linkedin.com/in/jaygatward"
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class="contact-link"
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target="_blank"
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rel="noopener"
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>
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<span class="contact-link-icon">
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<svg
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width="18"
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height="18"
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viewBox="0 0 24 24"
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fill="currentColor"
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>
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<path
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d="M20.447 20.452h-3.554v-5.569c0-1.328-.027-3.037-1.852-3.037-1.853 0-2.136 1.445-2.136 2.939v5.667H9.351V9h3.414v1.561h.046c.477-.9 1.637-1.85 3.37-1.85 3.601 0 4.267 2.37 4.267 5.455v6.286zM5.337 7.433a2.062 2.062 0 0 1-2.063-2.065 2.064 2.064 0 1 1 2.063 2.065zm1.782 13.019H3.555V9h3.564v11.452zM22.225 0H1.771C.792 0 0 .774 0 1.729v20.542C0 23.227.792 24 1.771 24h20.451C23.2 24 24 23.227 24 22.271V1.729C24 .774 23.2 0 22.222 0h.003z"
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/>
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</svg>
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</span>
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<span class="contact-link-label">LinkedIn</span>
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<span class="contact-link-handle">jaygatward</span>
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</a>
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</div>
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</div>
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</section>
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<!-- ─── Footer ─────────────────────────────────────────────────── -->
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<footer>
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<span>havox.org — John Gatward</span>
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<span>
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Built with too much coffee &
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<a href="https://catppuccin.com" target="_blank" rel="noopener"
|
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>Catppuccin Mocha</a
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>. Shoutout to
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<a
|
|
href="https://www.youtube.com/user/shiffman"
|
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target="_blank"
|
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rel="noopener"
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>Daniel Shiffman</a
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>
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& the
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<a href="https://p5js.org" target="_blank" rel="noopener">p5.js team</a
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>.
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