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    Kornelius1/README.md

    Full Stack Developer • AI/ML Enthusiast • UI/UX

    • Alumni of Universitas Riau with a background in Information Systems.
    • Expanding expertise in Artificial Intelligence, Machine Learning, and clean software architecture.
    • Open to collaborating on innovative web applications with a strong emphasis on UI/UX design.
    • Experienced in Laravel, Vue.js, Tailwind CSS, Fast API, Spring-boot, and intuitive interface design.
    • Contact me via Discord at @korneliusj or Instagram at @Korneliusj.
    name: Kornelius Jonathanlocated_in: Medan, Indonesiacurrent_job: Full Stack Developereducation: Bachelor of Computer Sciencecompany: -fields_of_interests:
["Web Development","Data Science","Machine Learning","UI/UX","Data Engineering","DevOps"]technical_background:
["Full Stack Developer","Intern - Data Science & Machine Learning in Python","Intern - Internet of Things"]currently_learning:
["Docker","React Bits"]2026 Goals:
["Create 10+ Projects","Learn at least 5-10 new Technologies"]hobbies:
["Adrenaline Sports","Cinema","Skateboarding","Art","Hiking"]

     Some Tools I Have Used and Learned

    pythonjavatypescriptphpjavascriptreactvuejslaravelspring bootfastapimysqlpostgresqlmongodbvscodeintellij ideabash

    Snake animation

    Popular repositories Loading

    1. smart_reservation_system smart_reservation_systemPublic

      A smart reservation system for Homey Cafe that supports table and room bookings, mandatory food & beverage orders, DOKU payment integration, and admin management for reservations, rooms, and tables.

      PHP 1

    2. Kornelius1 Kornelius1Public

      My Github Profile

    3. Smart-Reservation-System Smart-Reservation-SystemPublic archive

      Blade

    4. portfolio-2026 portfolio-2026Public

      Portfolio Page

      JavaScript

    5. Hybrid-Stacking-Ensemble Hybrid-Stacking-EnsemblePublic

      Hybrid PM2.5 prediction using LightGBM, Quantum Support Vector Regression (QSVR), Quantum Bagging, and Ridge Meta-Learning on normalized air-quality data.

      Jupyter Notebook

    6. Sistem-Informasi-PAPB Sistem-Informasi-PAPBPublic

      Java

    , 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
     blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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      Kornelius1/README.md
      Full Stack Developer • AI/ML Enthusiast • UI/UX
      • Alumni of Universitas Riau with a background in Information Systems.
      • Expanding expertise in Artificial Intelligence, Machine Learning, and clean software architecture.
      • Open to collaborating on innovative web applications with a strong emphasis on UI/UX design.
      • Experienced in Laravel, Vue.js, Tailwind CSS, Fast API, Spring-boot, and intuitive interface design.
      • Contact me via Discord at @korneliusj or Instagram at @Korneliusj.
      name: Kornelius Jonathanlocated_in: Medan, Indonesiacurrent_job: Full Stack Developereducation: Bachelor of Computer Sciencecompany: -fields_of_interests:
["Web Development","Data Science","Machine Learning","UI/UX","Data Engineering","DevOps"]technical_background:
["Full Stack Developer","Intern - Data Science & Machine Learning in Python","Intern - Internet of Things"]currently_learning:
["Docker","React Bits"]2026 Goals:
["Create 10+ Projects","Learn at least 5-10 new Technologies"]hobbies:
["Adrenaline Sports","Cinema","Skateboarding","Art","Hiking"]
       Some Tools I Have Used and Learned
      pythonjavatypescriptphpjavascriptreactvuejslaravelspring bootfastapimysqlpostgresqlmongodbvscodeintellij ideabash
      Snake animation
      
Popular repositories
Loading
      1. 
smart_reservation_system
smart_reservation_systemPublic
        
A smart reservation system for Homey Cafe that supports table and room bookings, mandatory food & beverage orders, DOKU payment integration, and admin management for reservations, rooms, and tables.

        PHP
1

      2. 
Kornelius1
Kornelius1Public
        
My Github Profile

      3. 
Smart-Reservation-System
Smart-Reservation-SystemPublic archive
        Blade
      4. 
portfolio-2026
portfolio-2026Public
        
Portfolio Page

        JavaScript
      5. 
Hybrid-Stacking-Ensemble
Hybrid-Stacking-EnsemblePublic
        
Hybrid PM2.5 prediction using LightGBM, Quantum Support Vector Regression (QSVR), Quantum Bagging, and Ridge Meta-Learning on normalized air-quality data.

        Jupyter Notebook
      6. 
Sistem-Informasi-PAPB
Sistem-Informasi-PAPBPublic
        Java
      
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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        Kornelius1/README.md
        Full Stack Developer • AI/ML Enthusiast • UI/UX
        • Alumni of Universitas Riau with a background in Information Systems.
        • Expanding expertise in Artificial Intelligence, Machine Learning, and clean software architecture.
        • Open to collaborating on innovative web applications with a strong emphasis on UI/UX design.
        • Experienced in Laravel, Vue.js, Tailwind CSS, Fast API, Spring-boot, and intuitive interface design.
        • Contact me via Discord at @korneliusj or Instagram at @Korneliusj.
        name: Kornelius Jonathanlocated_in: Medan, Indonesiacurrent_job: Full Stack Developereducation: Bachelor of Computer Sciencecompany: -fields_of_interests:
["Web Development","Data Science","Machine Learning","UI/UX","Data Engineering","DevOps"]technical_background:
["Full Stack Developer","Intern - Data Science & Machine Learning in Python","Intern - Internet of Things"]currently_learning:
["Docker","React Bits"]2026 Goals:
["Create 10+ Projects","Learn at least 5-10 new Technologies"]hobbies:
["Adrenaline Sports","Cinema","Skateboarding","Art","Hiking"]
         Some Tools I Have Used and Learned
        pythonjavatypescriptphpjavascriptreactvuejslaravelspring bootfastapimysqlpostgresqlmongodbvscodeintellij ideabash
        Snake animation
        
Popular repositories
Loading
        1. 
smart_reservation_system
smart_reservation_systemPublic
          
A smart reservation system for Homey Cafe that supports table and room bookings, mandatory food & beverage orders, DOKU payment integration, and admin management for reservations, rooms, and tables.

          PHP
1

        2. 
Kornelius1
Kornelius1Public
          
My Github Profile

        3. 
Smart-Reservation-System
Smart-Reservation-SystemPublic archive
          Blade
        4. 
portfolio-2026
portfolio-2026Public
          
Portfolio Page

          JavaScript
        5. 
Hybrid-Stacking-Ensemble
Hybrid-Stacking-EnsemblePublic
          
Hybrid PM2.5 prediction using LightGBM, Quantum Support Vector Regression (QSVR), Quantum Bagging, and Ridge Meta-Learning on normalized air-quality data.

          Jupyter Notebook
        6. 
Sistem-Informasi-PAPB
Sistem-Informasi-PAPBPublic
          Java
        
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

        Skip to content
        View Kornelius1's full-sized avatar
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followers
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          Achievements
          Achievement: Pull SharkAchievement: Quickdraw
          
Block or report Kornelius1

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          Kornelius1/README.md
          Full Stack Developer • AI/ML Enthusiast • UI/UX
          • Alumni of Universitas Riau with a background in Information Systems.
          • Expanding expertise in Artificial Intelligence, Machine Learning, and clean software architecture.
          • Open to collaborating on innovative web applications with a strong emphasis on UI/UX design.
          • Experienced in Laravel, Vue.js, Tailwind CSS, Fast API, Spring-boot, and intuitive interface design.
          • Contact me via Discord at @korneliusj or Instagram at @Korneliusj.
          name: Kornelius Jonathanlocated_in: Medan, Indonesiacurrent_job: Full Stack Developereducation: Bachelor of Computer Sciencecompany: -fields_of_interests:
["Web Development","Data Science","Machine Learning","UI/UX","Data Engineering","DevOps"]technical_background:
["Full Stack Developer","Intern - Data Science & Machine Learning in Python","Intern - Internet of Things"]currently_learning:
["Docker","React Bits"]2026 Goals:
["Create 10+ Projects","Learn at least 5-10 new Technologies"]hobbies:
["Adrenaline Sports","Cinema","Skateboarding","Art","Hiking"]
           Some Tools I Have Used and Learned
          pythonjavatypescriptphpjavascriptreactvuejslaravelspring bootfastapimysqlpostgresqlmongodbvscodeintellij ideabash
          Snake animation
          
Popular repositories
Loading
          1. 
smart_reservation_system
smart_reservation_systemPublic
            
A smart reservation system for Homey Cafe that supports table and room bookings, mandatory food & beverage orders, DOKU payment integration, and admin management for reservations, rooms, and tables.

            PHP
1

          2. 
Kornelius1
Kornelius1Public
            
My Github Profile

          3. 
Smart-Reservation-System
Smart-Reservation-SystemPublic archive
            Blade
          4. 
portfolio-2026
portfolio-2026Public
            
Portfolio Page

            JavaScript
          5. 
Hybrid-Stacking-Ensemble
Hybrid-Stacking-EnsemblePublic
            
Hybrid PM2.5 prediction using LightGBM, Quantum Support Vector Regression (QSVR), Quantum Bagging, and Ridge Meta-Learning on normalized air-quality data.

            Jupyter Notebook
          6. 
Sistem-Informasi-PAPB
Sistem-Informasi-PAPBPublic
            Java
          
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

          Skip to content
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followers
 · 1
following

            Achievements
            Achievement: Pull SharkAchievement: Quickdraw
            Achievements
            Achievement: Pull SharkAchievement: Quickdraw
            
Block or report Kornelius1

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            Kornelius1/README.md
            Full Stack Developer • AI/ML Enthusiast • UI/UX
            • Alumni of Universitas Riau with a background in Information Systems.
            • Expanding expertise in Artificial Intelligence, Machine Learning, and clean software architecture.
            • Open to collaborating on innovative web applications with a strong emphasis on UI/UX design.
            • Experienced in Laravel, Vue.js, Tailwind CSS, Fast API, Spring-boot, and intuitive interface design.
            • Contact me via Discord at @korneliusj or Instagram at @Korneliusj.
            name: Kornelius Jonathanlocated_in: Medan, Indonesiacurrent_job: Full Stack Developereducation: Bachelor of Computer Sciencecompany: -fields_of_interests:
["Web Development","Data Science","Machine Learning","UI/UX","Data Engineering","DevOps"]technical_background:
["Full Stack Developer","Intern - Data Science & Machine Learning in Python","Intern - Internet of Things"]currently_learning:
["Docker","React Bits"]2026 Goals:
["Create 10+ Projects","Learn at least 5-10 new Technologies"]hobbies:
["Adrenaline Sports","Cinema","Skateboarding","Art","Hiking"]
             Some Tools I Have Used and Learned
            pythonjavatypescriptphpjavascriptreactvuejslaravelspring bootfastapimysqlpostgresqlmongodbvscodeintellij ideabash
            Snake animation
            
Popular repositories
Loading
            1. 
smart_reservation_system
smart_reservation_systemPublic
              
A smart reservation system for Homey Cafe that supports table and room bookings, mandatory food & beverage orders, DOKU payment integration, and admin management for reservations, rooms, and tables.

              PHP
1

            2. 
Kornelius1
Kornelius1Public
              
My Github Profile

            3. 
Smart-Reservation-System
Smart-Reservation-SystemPublic archive
              Blade
            4. 
portfolio-2026
portfolio-2026Public
              
Portfolio Page

              JavaScript
            5. 
Hybrid-Stacking-Ensemble
Hybrid-Stacking-EnsemblePublic
              
Hybrid PM2.5 prediction using LightGBM, Quantum Support Vector Regression (QSVR), Quantum Bagging, and Ridge Meta-Learning on normalized air-quality data.

              Jupyter Notebook
            6. 
Sistem-Informasi-PAPB
Sistem-Informasi-PAPBPublic
              Java
            
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

            Skip to content
            View Kornelius1's full-sized avatar
            0
followers
 · 1
following

              Achievements
              Achievement: Pull SharkAchievement: Quickdraw
              Achievements
              Achievement: Pull SharkAchievement: Quickdraw
              
Block or report Kornelius1

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              Kornelius1/README.md
              Full Stack Developer • AI/ML Enthusiast • UI/UX
              • Alumni of Universitas Riau with a background in Information Systems.
              • Expanding expertise in Artificial Intelligence, Machine Learning, and clean software architecture.
              • Open to collaborating on innovative web applications with a strong emphasis on UI/UX design.
              • Experienced in Laravel, Vue.js, Tailwind CSS, Fast API, Spring-boot, and intuitive interface design.
              • Contact me via Discord at @korneliusj or Instagram at @Korneliusj.
              name: Kornelius Jonathanlocated_in: Medan, Indonesiacurrent_job: Full Stack Developereducation: Bachelor of Computer Sciencecompany: -fields_of_interests:
["Web Development","Data Science","Machine Learning","UI/UX","Data Engineering","DevOps"]technical_background:
["Full Stack Developer","Intern - Data Science & Machine Learning in Python","Intern - Internet of Things"]currently_learning:
["Docker","React Bits"]2026 Goals:
["Create 10+ Projects","Learn at least 5-10 new Technologies"]hobbies:
["Adrenaline Sports","Cinema","Skateboarding","Art","Hiking"]
               Some Tools I Have Used and Learned
              pythonjavatypescriptphpjavascriptreactvuejslaravelspring bootfastapimysqlpostgresqlmongodbvscodeintellij ideabash
              Snake animation
              
Popular repositories
Loading
              1. 
smart_reservation_system
smart_reservation_systemPublic
                
A smart reservation system for Homey Cafe that supports table and room bookings, mandatory food & beverage orders, DOKU payment integration, and admin management for reservations, rooms, and tables.

                PHP
1

              2. 
Kornelius1
Kornelius1Public
                
My Github Profile

              3. 
Smart-Reservation-System
Smart-Reservation-SystemPublic archive
                Blade
              4. 
portfolio-2026
portfolio-2026Public
                
Portfolio Page

                JavaScript
              5. 
Hybrid-Stacking-Ensemble
Hybrid-Stacking-EnsemblePublic
                
Hybrid PM2.5 prediction using LightGBM, Quantum Support Vector Regression (QSVR), Quantum Bagging, and Ridge Meta-Learning on normalized air-quality data.

                Jupyter Notebook
              6. 
Sistem-Informasi-PAPB
Sistem-Informasi-PAPBPublic
                Java
              
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

              Skip to content
              View Kornelius1's full-sized avatar
              0
followers
 · 1
following

                Achievements
                Achievement: Pull SharkAchievement: Quickdraw
                Achievements
                Achievement: Pull SharkAchievement: Quickdraw
                
Block or report Kornelius1

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                Kornelius1/README.md
                Full Stack Developer • AI/ML Enthusiast • UI/UX
                • Alumni of Universitas Riau with a background in Information Systems.
                • Expanding expertise in Artificial Intelligence, Machine Learning, and clean software architecture.
                • Open to collaborating on innovative web applications with a strong emphasis on UI/UX design.
                • Experienced in Laravel, Vue.js, Tailwind CSS, Fast API, Spring-boot, and intuitive interface design.
                • Contact me via Discord at @korneliusj or Instagram at @Korneliusj.
                name: Kornelius Jonathanlocated_in: Medan, Indonesiacurrent_job: Full Stack Developereducation: Bachelor of Computer Sciencecompany: -fields_of_interests:
["Web Development","Data Science","Machine Learning","UI/UX","Data Engineering","DevOps"]technical_background:
["Full Stack Developer","Intern - Data Science & Machine Learning in Python","Intern - Internet of Things"]currently_learning:
["Docker","React Bits"]2026 Goals:
["Create 10+ Projects","Learn at least 5-10 new Technologies"]hobbies:
["Adrenaline Sports","Cinema","Skateboarding","Art","Hiking"]
                 Some Tools I Have Used and Learned
                pythonjavatypescriptphpjavascriptreactvuejslaravelspring bootfastapimysqlpostgresqlmongodbvscodeintellij ideabash
                Snake animation
                
Popular repositories
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                1. 
smart_reservation_system
smart_reservation_systemPublic
                  
A smart reservation system for Homey Cafe that supports table and room bookings, mandatory food & beverage orders, DOKU payment integration, and admin management for reservations, rooms, and tables.

                  PHP
1

                2. 
Kornelius1
Kornelius1Public
                  
My Github Profile

                3. 
Smart-Reservation-System
Smart-Reservation-SystemPublic archive
                  Blade
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portfolio-2026
portfolio-2026Public
                  
Portfolio Page

                  JavaScript
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Hybrid-Stacking-Ensemble
Hybrid-Stacking-EnsemblePublic
                  
Hybrid PM2.5 prediction using LightGBM, Quantum Support Vector Regression (QSVR), Quantum Bagging, and Ridge Meta-Learning on normalized air-quality data.

                  Jupyter Notebook
                6. 
Sistem-Informasi-PAPB
Sistem-Informasi-PAPBPublic
                  Java
                
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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                  Kornelius1/README.md
                  Full Stack Developer • AI/ML Enthusiast • UI/UX
                  • Alumni of Universitas Riau with a background in Information Systems.
                  • Expanding expertise in Artificial Intelligence, Machine Learning, and clean software architecture.
                  • Open to collaborating on innovative web applications with a strong emphasis on UI/UX design.
                  • Experienced in Laravel, Vue.js, Tailwind CSS, Fast API, Spring-boot, and intuitive interface design.
                  • Contact me via Discord at @korneliusj or Instagram at @Korneliusj.
                  name: Kornelius Jonathanlocated_in: Medan, Indonesiacurrent_job: Full Stack Developereducation: Bachelor of Computer Sciencecompany: -fields_of_interests:
["Web Development","Data Science","Machine Learning","UI/UX","Data Engineering","DevOps"]technical_background:
["Full Stack Developer","Intern - Data Science & Machine Learning in Python","Intern - Internet of Things"]currently_learning:
["Docker","React Bits"]2026 Goals:
["Create 10+ Projects","Learn at least 5-10 new Technologies"]hobbies:
["Adrenaline Sports","Cinema","Skateboarding","Art","Hiking"]
                   Some Tools I Have Used and Learned
                  pythonjavatypescriptphpjavascriptreactvuejslaravelspring bootfastapimysqlpostgresqlmongodbvscodeintellij ideabash
                  Snake animation
                  
Popular repositories
Loading
                  1. 
smart_reservation_system
smart_reservation_systemPublic
                    
A smart reservation system for Homey Cafe that supports table and room bookings, mandatory food & beverage orders, DOKU payment integration, and admin management for reservations, rooms, and tables.

                    PHP
1

                  2. 
Kornelius1
Kornelius1Public
                    
My Github Profile

                  3. 
Smart-Reservation-System
Smart-Reservation-SystemPublic archive
                    Blade
                  4. 
portfolio-2026
portfolio-2026Public
                    
Portfolio Page

                    JavaScript
                  5. 
Hybrid-Stacking-Ensemble
Hybrid-Stacking-EnsemblePublic
                    
Hybrid PM2.5 prediction using LightGBM, Quantum Support Vector Regression (QSVR), Quantum Bagging, and Ridge Meta-Learning on normalized air-quality data.

                    Jupyter Notebook
                  6. 
Sistem-Informasi-PAPB
Sistem-Informasi-PAPBPublic
                    Java