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Code Self Study Wiki

This repo contains the programming wiki for Code Self Study. For the main Code Self Study website, see this repo.

This repo also holds the documentation for the main website.

Build Status

Contributing

To contribute, make a pull request. Ask an organizer at a meetup if you would like assistance.

Development

Tip: pushing or merging to master will trigger deployment on Netlify. (Update: this might not be working at the moment. It's now deployed with Netlify CLI.)

$ netlify deploy --prod

Install mdbook on your computer and run this command to serve it on port 3000:

$ mdbook serve

Then visit localhost:3000.

To add new pages, edit the src/SUMMARY.md file. Adding new items there will automatically create new pages.

Images can go in the src/images directory. Here's an example of how to load an image:

diagram

License

Except where otherwise specified, the content in the src directory is licensed under an Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0) license, which is the same license that Wikipedia uses.

Please only submit content that you have created yourself. By submitting content to this repo, you agree to license the content under that license. Like any wiki, your content will probably be edited by other users.

About

The programming wiki for Code Self Study

wiki.codeselfstudy.com/

Resources

Readme
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Activity
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1 star

Watchers

3 watching

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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

This repository was archived by the owner on Apr 28, 2026. It is now read-only.

BranchesTags
Repository files navigation
Code Self Study Wiki
This repo contains the programming wiki for Code Self Study. For the main Code Self Study website, see this repo.
This repo also holds the documentation for the main website.
Build Status
Contributing
To contribute, make a pull request. Ask an organizer at a meetup if you would like assistance.
Development
Tip: pushing or merging to master will trigger deployment on Netlify. (Update: this might not be working at the moment. It's now deployed with Netlify CLI.)
$ netlify deploy --prod

Install mdbook on your computer and run this command to serve it on port 3000:
$ mdbook serve

Then visit localhost:3000.
To add new pages, edit the src/SUMMARY.md file. Adding new items there will automatically create new pages.
Images can go in the src/images directory. Here's an example of how to load an image:
diagram
License
Except where otherwise specified, the content in the src directory is licensed under an Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0) license, which is the same license that Wikipedia uses.
Please only submit content that you have created yourself. By submitting content to this repo, you agree to license the content under that license. Like any wiki, your content will probably be edited by other users.
About
The programming wiki for Code Self Study
wiki.codeselfstudy.com/
Resources
Readme
License
Activity
Custom properties
Stars
1 star
Watchers
3 watching
Forks
0 forks
Report repository
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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

This repository was archived by the owner on Apr 28, 2026. It is now read-only.

BranchesTags
Repository files navigation
Code Self Study Wiki
This repo contains the programming wiki for Code Self Study. For the main Code Self Study website, see this repo.
This repo also holds the documentation for the main website.
Build Status
Contributing
To contribute, make a pull request. Ask an organizer at a meetup if you would like assistance.
Development
Tip: pushing or merging to master will trigger deployment on Netlify. (Update: this might not be working at the moment. It's now deployed with Netlify CLI.)
$ netlify deploy --prod

Install mdbook on your computer and run this command to serve it on port 3000:
$ mdbook serve

Then visit localhost:3000.
To add new pages, edit the src/SUMMARY.md file. Adding new items there will automatically create new pages.
Images can go in the src/images directory. Here's an example of how to load an image:
diagram
License
Except where otherwise specified, the content in the src directory is licensed under an Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0) license, which is the same license that Wikipedia uses.
Please only submit content that you have created yourself. By submitting content to this repo, you agree to license the content under that license. Like any wiki, your content will probably be edited by other users.
About
The programming wiki for Code Self Study
wiki.codeselfstudy.com/
Resources
Readme
License
Activity
Custom properties
Stars
1 star
Watchers
3 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, '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

This repository was archived by the owner on Apr 28, 2026. It is now read-only.

BranchesTags
Repository files navigation
Code Self Study Wiki
This repo contains the programming wiki for Code Self Study. For the main Code Self Study website, see this repo.
This repo also holds the documentation for the main website.
Build Status
Contributing
To contribute, make a pull request. Ask an organizer at a meetup if you would like assistance.
Development
Tip: pushing or merging to master will trigger deployment on Netlify. (Update: this might not be working at the moment. It's now deployed with Netlify CLI.)
$ netlify deploy --prod

Install mdbook on your computer and run this command to serve it on port 3000:
$ mdbook serve

Then visit localhost:3000.
To add new pages, edit the src/SUMMARY.md file. Adding new items there will automatically create new pages.
Images can go in the src/images directory. Here's an example of how to load an image:
diagram
License
Except where otherwise specified, the content in the src directory is licensed under an Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0) license, which is the same license that Wikipedia uses.
Please only submit content that you have created yourself. By submitting content to this repo, you agree to license the content under that license. Like any wiki, your content will probably be edited by other users.
About
The programming wiki for Code Self Study
wiki.codeselfstudy.com/
Resources
Readme
License
Activity
Custom properties
Stars
1 star
Watchers
3 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, '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

This repository was archived by the owner on Apr 28, 2026. It is now read-only.

BranchesTags
Repository files navigation
Code Self Study Wiki
This repo contains the programming wiki for Code Self Study. For the main Code Self Study website, see this repo.
This repo also holds the documentation for the main website.
Build Status
Contributing
To contribute, make a pull request. Ask an organizer at a meetup if you would like assistance.
Development
Tip: pushing or merging to master will trigger deployment on Netlify. (Update: this might not be working at the moment. It's now deployed with Netlify CLI.)
$ netlify deploy --prod

Install mdbook on your computer and run this command to serve it on port 3000:
$ mdbook serve

Then visit localhost:3000.
To add new pages, edit the src/SUMMARY.md file. Adding new items there will automatically create new pages.
Images can go in the src/images directory. Here's an example of how to load an image:
diagram
License
Except where otherwise specified, the content in the src directory is licensed under an Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0) license, which is the same license that Wikipedia uses.
Please only submit content that you have created yourself. By submitting content to this repo, you agree to license the content under that license. Like any wiki, your content will probably be edited by other users.
About
The programming wiki for Code Self Study
wiki.codeselfstudy.com/
Resources
Readme
License
Activity
Custom properties
Stars
1 star
Watchers
3 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, '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

This repository was archived by the owner on Apr 28, 2026. It is now read-only.

BranchesTags
Repository files navigation
Code Self Study Wiki
This repo contains the programming wiki for Code Self Study. For the main Code Self Study website, see this repo.
This repo also holds the documentation for the main website.
Build Status
Contributing
To contribute, make a pull request. Ask an organizer at a meetup if you would like assistance.
Development
Tip: pushing or merging to master will trigger deployment on Netlify. (Update: this might not be working at the moment. It's now deployed with Netlify CLI.)
$ netlify deploy --prod

Install mdbook on your computer and run this command to serve it on port 3000:
$ mdbook serve

Then visit localhost:3000.
To add new pages, edit the src/SUMMARY.md file. Adding new items there will automatically create new pages.
Images can go in the src/images directory. Here's an example of how to load an image:
diagram
License
Except where otherwise specified, the content in the src directory is licensed under an Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0) license, which is the same license that Wikipedia uses.
Please only submit content that you have created yourself. By submitting content to this repo, you agree to license the content under that license. Like any wiki, your content will probably be edited by other users.
About
The programming wiki for Code Self Study
wiki.codeselfstudy.com/
Resources
Readme
License
Activity
Custom properties
Stars
1 star
Watchers
3 watching
Forks
0 forks
Report repository
Releases
Packages
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

This repository was archived by the owner on Apr 28, 2026. It is now read-only.

BranchesTags
Repository files navigation
Code Self Study Wiki
This repo contains the programming wiki for Code Self Study. For the main Code Self Study website, see this repo.
This repo also holds the documentation for the main website.
Build Status
Contributing
To contribute, make a pull request. Ask an organizer at a meetup if you would like assistance.
Development
Tip: pushing or merging to master will trigger deployment on Netlify. (Update: this might not be working at the moment. It's now deployed with Netlify CLI.)
$ netlify deploy --prod

Install mdbook on your computer and run this command to serve it on port 3000:
$ mdbook serve

Then visit localhost:3000.
To add new pages, edit the src/SUMMARY.md file. Adding new items there will automatically create new pages.
Images can go in the src/images directory. Here's an example of how to load an image:
diagram
License
Except where otherwise specified, the content in the src directory is licensed under an Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0) license, which is the same license that Wikipedia uses.
Please only submit content that you have created yourself. By submitting content to this repo, you agree to license the content under that license. Like any wiki, your content will probably be edited by other users.
About
The programming wiki for Code Self Study
wiki.codeselfstudy.com/
Resources
Readme
License
Activity
Custom properties
Stars
1 star
Watchers
3 watching
Forks
0 forks
Report repository
Releases
Packages
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

This repository was archived by the owner on Apr 28, 2026. It is now read-only.

BranchesTags
Repository files navigation
Code Self Study Wiki
This repo contains the programming wiki for Code Self Study. For the main Code Self Study website, see this repo.
This repo also holds the documentation for the main website.
Build Status
Contributing
To contribute, make a pull request. Ask an organizer at a meetup if you would like assistance.
Development
Tip: pushing or merging to master will trigger deployment on Netlify. (Update: this might not be working at the moment. It's now deployed with Netlify CLI.)
$ netlify deploy --prod

Install mdbook on your computer and run this command to serve it on port 3000:
$ mdbook serve

Then visit localhost:3000.
To add new pages, edit the src/SUMMARY.md file. Adding new items there will automatically create new pages.
Images can go in the src/images directory. Here's an example of how to load an image:
diagram
License
Except where otherwise specified, the content in the src directory is licensed under an Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0) license, which is the same license that Wikipedia uses.
Please only submit content that you have created yourself. By submitting content to this repo, you agree to license the content under that license. Like any wiki, your content will probably be edited by other users.
About
The programming wiki for Code Self Study
wiki.codeselfstudy.com/
Resources
Readme
License
Activity
Custom properties
Stars
1 star
Watchers
3 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages