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Need to review how the logic works

Algorithms

  • DSU (Disjoint Set Union) / Union Find
  • Can find represent graph as adjacent matrix

    kiểu đối xứng nhau qua trục chéo

Leetcode

For Binary Search Tree, Trie, and Graph, please import them manually like the following when you need to use them, as their names conflict with certain problems.

https://support.leetcode.com/hc/en-us/articles/360011833974-What-are-the-environments-for-the-programming-languages

JS

  • Cannot do divide getting remainder using % with floating point numbers. If need, use Math.floor() or Math.ceil()

SQL

  • Get year from timestamptz in PostgreSQL 
    SELECT
EXTRACT(YEAR FROM your_timestamptz_column) AS year
FROM
your_table;

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, '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" + '

Skip to content
BranchesTags
Repository files navigation
Need to review how the logic works
Algorithms
  • DSU (Disjoint Set Union) / Union Find
  • Can find represent graph as adjacent matrix

    kiểu đối xứng nhau qua trục chéo
Leetcode
For Binary Search Tree, Trie, and Graph, please import them manually like the following when you need to use them, as their names conflict with certain problems.
https://support.leetcode.com/hc/en-us/articles/360011833974-What-are-the-environments-for-the-programming-languages
JS
  • Cannot do divide getting remainder using % with floating point numbers. If need, use Math.floor() or Math.ceil()
SQL
  • Get year from timestamptz in PostgreSQL

    SELECT
EXTRACT(YEAR FROM your_timestamptz_column) AS year
FROM
your_table;
About
No description, website, or topics provided.
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, '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('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Need to review how the logic works
Algorithms
  • DSU (Disjoint Set Union) / Union Find
  • Can find represent graph as adjacent matrix

    kiểu đối xứng nhau qua trục chéo
Leetcode
For Binary Search Tree, Trie, and Graph, please import them manually like the following when you need to use them, as their names conflict with certain problems.
https://support.leetcode.com/hc/en-us/articles/360011833974-What-are-the-environments-for-the-programming-languages
JS
  • Cannot do divide getting remainder using % with floating point numbers. If need, use Math.floor() or Math.ceil()
SQL
  • Get year from timestamptz in PostgreSQL

    SELECT
EXTRACT(YEAR FROM your_timestamptz_column) AS year
FROM
your_table;
About
No description, website, or topics provided.
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0 watching
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0 forks
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, '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
BranchesTags
Repository files navigation
Need to review how the logic works
Algorithms
  • DSU (Disjoint Set Union) / Union Find
  • Can find represent graph as adjacent matrix

    kiểu đối xứng nhau qua trục chéo
Leetcode
For Binary Search Tree, Trie, and Graph, please import them manually like the following when you need to use them, as their names conflict with certain problems.
https://support.leetcode.com/hc/en-us/articles/360011833974-What-are-the-environments-for-the-programming-languages
JS
  • Cannot do divide getting remainder using % with floating point numbers. If need, use Math.floor() or Math.ceil()
SQL
  • Get year from timestamptz in PostgreSQL

    SELECT
EXTRACT(YEAR FROM your_timestamptz_column) AS year
FROM
your_table;
About
No description, website, or topics provided.
Resources
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0 stars
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0 watching
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0 forks
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Used by
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, '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
BranchesTags
Repository files navigation
Need to review how the logic works
Algorithms
  • DSU (Disjoint Set Union) / Union Find
  • Can find represent graph as adjacent matrix

    kiểu đối xứng nhau qua trục chéo
Leetcode
For Binary Search Tree, Trie, and Graph, please import them manually like the following when you need to use them, as their names conflict with certain problems.
https://support.leetcode.com/hc/en-us/articles/360011833974-What-are-the-environments-for-the-programming-languages
JS
  • Cannot do divide getting remainder using % with floating point numbers. If need, use Math.floor() or Math.ceil()
SQL
  • Get year from timestamptz in PostgreSQL

    SELECT
EXTRACT(YEAR FROM your_timestamptz_column) AS year
FROM
your_table;
About
No description, website, or topics provided.
Resources
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0 stars
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0 watching
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0 forks
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Used by
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, '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
BranchesTags
Repository files navigation
Need to review how the logic works
Algorithms
  • DSU (Disjoint Set Union) / Union Find
  • Can find represent graph as adjacent matrix

    kiểu đối xứng nhau qua trục chéo
Leetcode
For Binary Search Tree, Trie, and Graph, please import them manually like the following when you need to use them, as their names conflict with certain problems.
https://support.leetcode.com/hc/en-us/articles/360011833974-What-are-the-environments-for-the-programming-languages
JS
  • Cannot do divide getting remainder using % with floating point numbers. If need, use Math.floor() or Math.ceil()
SQL
  • Get year from timestamptz in PostgreSQL

    SELECT
EXTRACT(YEAR FROM your_timestamptz_column) AS year
FROM
your_table;
About
No description, website, or topics provided.
Resources
Readme
Activity
Stars
0 stars
Watchers
0 watching
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0 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

, '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
BranchesTags
Repository files navigation
Need to review how the logic works
Algorithms
  • DSU (Disjoint Set Union) / Union Find
  • Can find represent graph as adjacent matrix

    kiểu đối xứng nhau qua trục chéo
Leetcode
For Binary Search Tree, Trie, and Graph, please import them manually like the following when you need to use them, as their names conflict with certain problems.
https://support.leetcode.com/hc/en-us/articles/360011833974-What-are-the-environments-for-the-programming-languages
JS
  • Cannot do divide getting remainder using % with floating point numbers. If need, use Math.floor() or Math.ceil()
SQL
  • Get year from timestamptz in PostgreSQL

    SELECT
EXTRACT(YEAR FROM your_timestamptz_column) AS year
FROM
your_table;
About
No description, website, or topics provided.
Resources
Readme
Activity
Stars
0 stars
Watchers
0 watching
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0 forks
Report repository
Releases
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Used by
Contributors
Languages

, '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); }
})();
})();

Skip to content
BranchesTags
Repository files navigation
Need to review how the logic works
Algorithms
  • DSU (Disjoint Set Union) / Union Find
  • Can find represent graph as adjacent matrix

    kiểu đối xứng nhau qua trục chéo
Leetcode
For Binary Search Tree, Trie, and Graph, please import them manually like the following when you need to use them, as their names conflict with certain problems.
https://support.leetcode.com/hc/en-us/articles/360011833974-What-are-the-environments-for-the-programming-languages
JS
  • Cannot do divide getting remainder using % with floating point numbers. If need, use Math.floor() or Math.ceil()
SQL
  • Get year from timestamptz in PostgreSQL

    SELECT
EXTRACT(YEAR FROM your_timestamptz_column) AS year
FROM
your_table;
About
No description, website, or topics provided.
Resources
Readme
Activity
Stars
0 stars
Watchers
0 watching
Forks
0 forks
Report repository
Releases
Packages
Used by
Contributors
Languages