Some help little fixes ... remember "Right Resource Management" - #18

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Some help little fixes ... remember "Right Resource Management"#18
lguzzon wants to merge 3 commits into
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@lguzzon

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I think that "resource management" is important; so once You instantiate a resource in a Component then You have to dispose it at the Component life-time's end (in this case using "componentWillUnmount" method).
That's it.

I think that "resource management" is important; so once You instantiate a resource in a Component then You have to dispose it at the Component life-time's end (in this case using "componentUnMount" method).
That's it.
@zpao

zpao commented May 30, 2013

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Also, please don't remove the brackets on the code fences. This is what allows us to do line highlighting and call out specific changes in the tutorial.

@lguzzon

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@benjamn You are rigth ... a got a Typo error ... now fixing
@zpao I see that the rendered markdown with brackets is not highlighted isn't it?

@zpao

zpao commented May 30, 2013

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On GitHub it won't be - we customized markdown processing a little bit to enable it on the website. That customization actually breaks the highlighting on Github since it's a custom extension. See it in action: http://facebook.github.io/react/docs/tutorial.html

Comment threaddocs/docs/tutorial.md Outdated

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React's lifecycle will guarantee that componentWillMount() is called before componentWillUnmount(), so you don't need to do this check :D See http://facebook.github.io/react/docs/advanced-components.html

@petehunt

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@jordow I have a mixin that does this for IG that I want to get into react_contrib.

This is probably a good idea for us to do, however if we use React.autoBind() on the function passed to setInterval() it'll suppress the errors when the component unmounts. I'm pretty sure that killing the setInterval() is better though.

I'm inclined to take this (once rebased) if everyone's OK with it.

@zpao

zpao commented Oct 9, 2013

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We've redone a lot of the docs (and a lot of React) since this was opened so I'm going to just close it out.

@zpaozpao closed this Oct 9, 2013
jgebhardt added a commit to jgebhardt/react that referenced this pull request Mar 14, 2014
zpao pushed a commit that referenced this pull request Mar 15, 2014
zpao added a commit that referenced this pull request Mar 15, 2014
jgebhardt added a commit to jgebhardt/react that referenced this pull request Jun 30, 2014
sophiebits added a commit that referenced this pull request Jun 30, 2014
sophiebits pushed a commit that referenced this pull request Jun 30, 2014
(cherry picked from commit a8e273f)
lunaruan pushed a commit to bvaughn/react that referenced this pull request Jun 15, 2021
…act#18)
* add cross-env to set NODE_ENV on windows and fix build on windows
* Update package-lock.json
* Update api.server.js
* Update package.json
Co-authored-by: Ahsan Sohail (213979) <AhSohail@KHI-ICX-AHSANS>
Co-authored-by: Dan Abramov <dan.abramov@gmail.com>
switz added a commit to switz/react that referenced this pull request Mar 25, 2026
…rs (react#18)
Restore props serialization (skipping props breaks hydration).
Update findings doc with final validated concurrent throughput:
c=1: 127 → 330 req/s (2.6x)
c=25: 98 → 292 req/s (3.0x)
c=50: 89 → 285 req/s (3.2x)
Props serialization adds ~1.3ms per request for 226 boundaries.
This is real, irreducible work — the client needs props to hydrate.
V8 JSON.stringify is already near-optimal. Total per-request cost
is 3.2ms (309 req/s), which is 2.3x faster than the full pipeline.
Server-only fused: 528 req/s (matches renderToString).
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@lguzzon@zpao@petehunt@benjamn
, '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

Some help little fixes ... remember "Right Resource Management" - #18

Closed
lguzzon wants to merge 3 commits into
react:masterfrom
lguzzon-scratchbook:master
Closed

Some help little fixes ... remember "Right Resource Management"#18
lguzzon wants to merge 3 commits into
react:masterfrom
lguzzon-scratchbook:master

Conversation

@lguzzon

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I think that "resource management" is important; so once You instantiate a resource in a Component then You have to dispose it at the Component life-time's end (in this case using "componentWillUnmount" method).
That's it.

I think that "resource management" is important; so once You instantiate a resource in a Component then You have to dispose it at the Component life-time's end (in this case using "componentUnMount" method).
That's it.
@zpao

zpao commented May 30, 2013

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Also, please don't remove the brackets on the code fences. This is what allows us to do line highlighting and call out specific changes in the tutorial.

@lguzzon

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@benjamn You are rigth ... a got a Typo error ... now fixing
@zpao I see that the rendered markdown with brackets is not highlighted isn't it?

@zpao

zpao commented May 30, 2013

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On GitHub it won't be - we customized markdown processing a little bit to enable it on the website. That customization actually breaks the highlighting on Github since it's a custom extension. See it in action: http://facebook.github.io/react/docs/tutorial.html

Comment threaddocs/docs/tutorial.md Outdated

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React's lifecycle will guarantee that componentWillMount() is called before componentWillUnmount(), so you don't need to do this check :D See http://facebook.github.io/react/docs/advanced-components.html

@petehunt

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@jordow I have a mixin that does this for IG that I want to get into react_contrib.

This is probably a good idea for us to do, however if we use React.autoBind() on the function passed to setInterval() it'll suppress the errors when the component unmounts. I'm pretty sure that killing the setInterval() is better though.

I'm inclined to take this (once rebased) if everyone's OK with it.

@zpao

zpao commented Oct 9, 2013

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We've redone a lot of the docs (and a lot of React) since this was opened so I'm going to just close it out.

@zpaozpao closed this Oct 9, 2013
jgebhardt added a commit to jgebhardt/react that referenced this pull request Mar 14, 2014
zpao pushed a commit that referenced this pull request Mar 15, 2014
zpao added a commit that referenced this pull request Mar 15, 2014
jgebhardt added a commit to jgebhardt/react that referenced this pull request Jun 30, 2014
sophiebits added a commit that referenced this pull request Jun 30, 2014
sophiebits pushed a commit that referenced this pull request Jun 30, 2014
(cherry picked from commit a8e273f)
lunaruan pushed a commit to bvaughn/react that referenced this pull request Jun 15, 2021
…act#18)
* add cross-env to set NODE_ENV on windows and fix build on windows
* Update package-lock.json
* Update api.server.js
* Update package.json
Co-authored-by: Ahsan Sohail (213979) <AhSohail@KHI-ICX-AHSANS>
Co-authored-by: Dan Abramov <dan.abramov@gmail.com>
switz added a commit to switz/react that referenced this pull request Mar 25, 2026
…rs (react#18)
Restore props serialization (skipping props breaks hydration).
Update findings doc with final validated concurrent throughput:
c=1: 127 → 330 req/s (2.6x)
c=25: 98 → 292 req/s (3.0x)
c=50: 89 → 285 req/s (3.2x)
Props serialization adds ~1.3ms per request for 226 boundaries.
This is real, irreducible work — the client needs props to hydrate.
V8 JSON.stringify is already near-optimal. Total per-request cost
is 3.2ms (309 req/s), which is 2.3x faster than the full pipeline.
Server-only fused: 528 req/s (matches renderToString).
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4 participants

@lguzzon@zpao@petehunt@benjamn
, '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

Some help little fixes ... remember "Right Resource Management" - #18

Closed
lguzzon wants to merge 3 commits into
react:masterfrom
lguzzon-scratchbook:master
Closed

Some help little fixes ... remember "Right Resource Management"#18
lguzzon wants to merge 3 commits into
react:masterfrom
lguzzon-scratchbook:master

Conversation

@lguzzon

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I think that "resource management" is important; so once You instantiate a resource in a Component then You have to dispose it at the Component life-time's end (in this case using "componentWillUnmount" method).
That's it.

I think that "resource management" is important; so once You instantiate a resource in a Component then You have to dispose it at the Component life-time's end (in this case using "componentUnMount" method).
That's it.
@zpao

zpao commented May 30, 2013

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Also, please don't remove the brackets on the code fences. This is what allows us to do line highlighting and call out specific changes in the tutorial.

@lguzzon

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@benjamn You are rigth ... a got a Typo error ... now fixing
@zpao I see that the rendered markdown with brackets is not highlighted isn't it?

@zpao

zpao commented May 30, 2013

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On GitHub it won't be - we customized markdown processing a little bit to enable it on the website. That customization actually breaks the highlighting on Github since it's a custom extension. See it in action: http://facebook.github.io/react/docs/tutorial.html

Comment threaddocs/docs/tutorial.md Outdated

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React's lifecycle will guarantee that componentWillMount() is called before componentWillUnmount(), so you don't need to do this check :D See http://facebook.github.io/react/docs/advanced-components.html

@petehunt

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@jordow I have a mixin that does this for IG that I want to get into react_contrib.

This is probably a good idea for us to do, however if we use React.autoBind() on the function passed to setInterval() it'll suppress the errors when the component unmounts. I'm pretty sure that killing the setInterval() is better though.

I'm inclined to take this (once rebased) if everyone's OK with it.

@zpao

zpao commented Oct 9, 2013

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We've redone a lot of the docs (and a lot of React) since this was opened so I'm going to just close it out.

@zpaozpao closed this Oct 9, 2013
jgebhardt added a commit to jgebhardt/react that referenced this pull request Mar 14, 2014
zpao pushed a commit that referenced this pull request Mar 15, 2014
zpao added a commit that referenced this pull request Mar 15, 2014
jgebhardt added a commit to jgebhardt/react that referenced this pull request Jun 30, 2014
sophiebits added a commit that referenced this pull request Jun 30, 2014
sophiebits pushed a commit that referenced this pull request Jun 30, 2014
(cherry picked from commit a8e273f)
lunaruan pushed a commit to bvaughn/react that referenced this pull request Jun 15, 2021
…act#18)
* add cross-env to set NODE_ENV on windows and fix build on windows
* Update package-lock.json
* Update api.server.js
* Update package.json
Co-authored-by: Ahsan Sohail (213979) <AhSohail@KHI-ICX-AHSANS>
Co-authored-by: Dan Abramov <dan.abramov@gmail.com>
switz added a commit to switz/react that referenced this pull request Mar 25, 2026
…rs (react#18)
Restore props serialization (skipping props breaks hydration).
Update findings doc with final validated concurrent throughput:
c=1: 127 → 330 req/s (2.6x)
c=25: 98 → 292 req/s (3.0x)
c=50: 89 → 285 req/s (3.2x)
Props serialization adds ~1.3ms per request for 226 boundaries.
This is real, irreducible work — the client needs props to hydrate.
V8 JSON.stringify is already near-optimal. Total per-request cost
is 3.2ms (309 req/s), which is 2.3x faster than the full pipeline.
Server-only fused: 528 req/s (matches renderToString).
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4 participants

@lguzzon@zpao@petehunt@benjamn
, '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

Some help little fixes ... remember "Right Resource Management" - #18

Closed
lguzzon wants to merge 3 commits into
react:masterfrom
lguzzon-scratchbook:master
Closed

Some help little fixes ... remember "Right Resource Management"#18
lguzzon wants to merge 3 commits into
react:masterfrom
lguzzon-scratchbook:master

Conversation

@lguzzon

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I think that "resource management" is important; so once You instantiate a resource in a Component then You have to dispose it at the Component life-time's end (in this case using "componentWillUnmount" method).
That's it.

I think that "resource management" is important; so once You instantiate a resource in a Component then You have to dispose it at the Component life-time's end (in this case using "componentUnMount" method).
That's it.
@zpao

zpao commented May 30, 2013

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Also, please don't remove the brackets on the code fences. This is what allows us to do line highlighting and call out specific changes in the tutorial.

@lguzzon

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@benjamn You are rigth ... a got a Typo error ... now fixing
@zpao I see that the rendered markdown with brackets is not highlighted isn't it?

@zpao

zpao commented May 30, 2013

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On GitHub it won't be - we customized markdown processing a little bit to enable it on the website. That customization actually breaks the highlighting on Github since it's a custom extension. See it in action: http://facebook.github.io/react/docs/tutorial.html

Comment threaddocs/docs/tutorial.md Outdated

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React's lifecycle will guarantee that componentWillMount() is called before componentWillUnmount(), so you don't need to do this check :D See http://facebook.github.io/react/docs/advanced-components.html

@petehunt

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@jordow I have a mixin that does this for IG that I want to get into react_contrib.

This is probably a good idea for us to do, however if we use React.autoBind() on the function passed to setInterval() it'll suppress the errors when the component unmounts. I'm pretty sure that killing the setInterval() is better though.

I'm inclined to take this (once rebased) if everyone's OK with it.

@zpao

zpao commented Oct 9, 2013

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We've redone a lot of the docs (and a lot of React) since this was opened so I'm going to just close it out.

@zpaozpao closed this Oct 9, 2013
jgebhardt added a commit to jgebhardt/react that referenced this pull request Mar 14, 2014
zpao pushed a commit that referenced this pull request Mar 15, 2014
zpao added a commit that referenced this pull request Mar 15, 2014
jgebhardt added a commit to jgebhardt/react that referenced this pull request Jun 30, 2014
sophiebits added a commit that referenced this pull request Jun 30, 2014
sophiebits pushed a commit that referenced this pull request Jun 30, 2014
(cherry picked from commit a8e273f)
lunaruan pushed a commit to bvaughn/react that referenced this pull request Jun 15, 2021
…act#18)
* add cross-env to set NODE_ENV on windows and fix build on windows
* Update package-lock.json
* Update api.server.js
* Update package.json
Co-authored-by: Ahsan Sohail (213979) <AhSohail@KHI-ICX-AHSANS>
Co-authored-by: Dan Abramov <dan.abramov@gmail.com>
switz added a commit to switz/react that referenced this pull request Mar 25, 2026
…rs (react#18)
Restore props serialization (skipping props breaks hydration).
Update findings doc with final validated concurrent throughput:
c=1: 127 → 330 req/s (2.6x)
c=25: 98 → 292 req/s (3.0x)
c=50: 89 → 285 req/s (3.2x)
Props serialization adds ~1.3ms per request for 226 boundaries.
This is real, irreducible work — the client needs props to hydrate.
V8 JSON.stringify is already near-optimal. Total per-request cost
is 3.2ms (309 req/s), which is 2.3x faster than the full pipeline.
Server-only fused: 528 req/s (matches renderToString).
Sign up for freeto join this conversation on GitHub. Already have an account? Sign in to comment

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4 participants

@lguzzon@zpao@petehunt@benjamn
, '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

Some help little fixes ... remember "Right Resource Management" - #18

Closed
lguzzon wants to merge 3 commits into
react:masterfrom
lguzzon-scratchbook:master
Closed

Some help little fixes ... remember "Right Resource Management"#18
lguzzon wants to merge 3 commits into
react:masterfrom
lguzzon-scratchbook:master

Conversation

@lguzzon

Copy link
Copy Markdown

I think that "resource management" is important; so once You instantiate a resource in a Component then You have to dispose it at the Component life-time's end (in this case using "componentWillUnmount" method).
That's it.

I think that "resource management" is important; so once You instantiate a resource in a Component then You have to dispose it at the Component life-time's end (in this case using "componentUnMount" method).
That's it.
@zpao

zpao commented May 30, 2013

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Copy Markdown
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Also, please don't remove the brackets on the code fences. This is what allows us to do line highlighting and call out specific changes in the tutorial.

@lguzzon

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Author

@benjamn You are rigth ... a got a Typo error ... now fixing
@zpao I see that the rendered markdown with brackets is not highlighted isn't it?

@zpao

zpao commented May 30, 2013

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On GitHub it won't be - we customized markdown processing a little bit to enable it on the website. That customization actually breaks the highlighting on Github since it's a custom extension. See it in action: http://facebook.github.io/react/docs/tutorial.html

Comment threaddocs/docs/tutorial.md Outdated

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React's lifecycle will guarantee that componentWillMount() is called before componentWillUnmount(), so you don't need to do this check :D See http://facebook.github.io/react/docs/advanced-components.html

@petehunt

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@jordow I have a mixin that does this for IG that I want to get into react_contrib.

This is probably a good idea for us to do, however if we use React.autoBind() on the function passed to setInterval() it'll suppress the errors when the component unmounts. I'm pretty sure that killing the setInterval() is better though.

I'm inclined to take this (once rebased) if everyone's OK with it.

@zpao

zpao commented Oct 9, 2013

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We've redone a lot of the docs (and a lot of React) since this was opened so I'm going to just close it out.

@zpaozpao closed this Oct 9, 2013
jgebhardt added a commit to jgebhardt/react that referenced this pull request Mar 14, 2014
zpao pushed a commit that referenced this pull request Mar 15, 2014
zpao added a commit that referenced this pull request Mar 15, 2014
jgebhardt added a commit to jgebhardt/react that referenced this pull request Jun 30, 2014
sophiebits added a commit that referenced this pull request Jun 30, 2014
sophiebits pushed a commit that referenced this pull request Jun 30, 2014
(cherry picked from commit a8e273f)
lunaruan pushed a commit to bvaughn/react that referenced this pull request Jun 15, 2021
…act#18)
* add cross-env to set NODE_ENV on windows and fix build on windows
* Update package-lock.json
* Update api.server.js
* Update package.json
Co-authored-by: Ahsan Sohail (213979) <AhSohail@KHI-ICX-AHSANS>
Co-authored-by: Dan Abramov <dan.abramov@gmail.com>
switz added a commit to switz/react that referenced this pull request Mar 25, 2026
…rs (react#18)
Restore props serialization (skipping props breaks hydration).
Update findings doc with final validated concurrent throughput:
c=1: 127 → 330 req/s (2.6x)
c=25: 98 → 292 req/s (3.0x)
c=50: 89 → 285 req/s (3.2x)
Props serialization adds ~1.3ms per request for 226 boundaries.
This is real, irreducible work — the client needs props to hydrate.
V8 JSON.stringify is already near-optimal. Total per-request cost
is 3.2ms (309 req/s), which is 2.3x faster than the full pipeline.
Server-only fused: 528 req/s (matches renderToString).
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@lguzzon@zpao@petehunt@benjamn
, '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('^' + ".*" + '
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Some help little fixes ... remember "Right Resource Management" - #18

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Some help little fixes ... remember "Right Resource Management"#18
lguzzon wants to merge 3 commits into
react:masterfrom
lguzzon-scratchbook:master

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@lguzzon

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I think that "resource management" is important; so once You instantiate a resource in a Component then You have to dispose it at the Component life-time's end (in this case using "componentWillUnmount" method).
That's it.

I think that "resource management" is important; so once You instantiate a resource in a Component then You have to dispose it at the Component life-time's end (in this case using "componentUnMount" method).
That's it.
@zpao

zpao commented May 30, 2013

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Also, please don't remove the brackets on the code fences. This is what allows us to do line highlighting and call out specific changes in the tutorial.

@lguzzon

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@benjamn You are rigth ... a got a Typo error ... now fixing
@zpao I see that the rendered markdown with brackets is not highlighted isn't it?

@zpao

zpao commented May 30, 2013

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On GitHub it won't be - we customized markdown processing a little bit to enable it on the website. That customization actually breaks the highlighting on Github since it's a custom extension. See it in action: http://facebook.github.io/react/docs/tutorial.html

Comment threaddocs/docs/tutorial.md Outdated

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React's lifecycle will guarantee that componentWillMount() is called before componentWillUnmount(), so you don't need to do this check :D See http://facebook.github.io/react/docs/advanced-components.html

@petehunt

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@jordow I have a mixin that does this for IG that I want to get into react_contrib.

This is probably a good idea for us to do, however if we use React.autoBind() on the function passed to setInterval() it'll suppress the errors when the component unmounts. I'm pretty sure that killing the setInterval() is better though.

I'm inclined to take this (once rebased) if everyone's OK with it.

@zpao

zpao commented Oct 9, 2013

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We've redone a lot of the docs (and a lot of React) since this was opened so I'm going to just close it out.

@zpaozpao closed this Oct 9, 2013
jgebhardt added a commit to jgebhardt/react that referenced this pull request Mar 14, 2014
zpao pushed a commit that referenced this pull request Mar 15, 2014
zpao added a commit that referenced this pull request Mar 15, 2014
jgebhardt added a commit to jgebhardt/react that referenced this pull request Jun 30, 2014
sophiebits added a commit that referenced this pull request Jun 30, 2014
sophiebits pushed a commit that referenced this pull request Jun 30, 2014
(cherry picked from commit a8e273f)
lunaruan pushed a commit to bvaughn/react that referenced this pull request Jun 15, 2021
…act#18)
* add cross-env to set NODE_ENV on windows and fix build on windows
* Update package-lock.json
* Update api.server.js
* Update package.json
Co-authored-by: Ahsan Sohail (213979) <AhSohail@KHI-ICX-AHSANS>
Co-authored-by: Dan Abramov <dan.abramov@gmail.com>
switz added a commit to switz/react that referenced this pull request Mar 25, 2026
…rs (react#18)
Restore props serialization (skipping props breaks hydration).
Update findings doc with final validated concurrent throughput:
c=1: 127 → 330 req/s (2.6x)
c=25: 98 → 292 req/s (3.0x)
c=50: 89 → 285 req/s (3.2x)
Props serialization adds ~1.3ms per request for 226 boundaries.
This is real, irreducible work — the client needs props to hydrate.
V8 JSON.stringify is already near-optimal. Total per-request cost
is 3.2ms (309 req/s), which is 2.3x faster than the full pipeline.
Server-only fused: 528 req/s (matches renderToString).
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@lguzzon@zpao@petehunt@benjamn
, '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

Some help little fixes ... remember "Right Resource Management" - #18

Closed
lguzzon wants to merge 3 commits into
react:masterfrom
lguzzon-scratchbook:master
Closed

Some help little fixes ... remember "Right Resource Management"#18
lguzzon wants to merge 3 commits into
react:masterfrom
lguzzon-scratchbook:master

Conversation

@lguzzon

Copy link
Copy Markdown

I think that "resource management" is important; so once You instantiate a resource in a Component then You have to dispose it at the Component life-time's end (in this case using "componentWillUnmount" method).
That's it.

I think that "resource management" is important; so once You instantiate a resource in a Component then You have to dispose it at the Component life-time's end (in this case using "componentUnMount" method).
That's it.
@zpao

zpao commented May 30, 2013

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Also, please don't remove the brackets on the code fences. This is what allows us to do line highlighting and call out specific changes in the tutorial.

@lguzzon

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@benjamn You are rigth ... a got a Typo error ... now fixing
@zpao I see that the rendered markdown with brackets is not highlighted isn't it?

@zpao

zpao commented May 30, 2013

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On GitHub it won't be - we customized markdown processing a little bit to enable it on the website. That customization actually breaks the highlighting on Github since it's a custom extension. See it in action: http://facebook.github.io/react/docs/tutorial.html

Comment threaddocs/docs/tutorial.md Outdated

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React's lifecycle will guarantee that componentWillMount() is called before componentWillUnmount(), so you don't need to do this check :D See http://facebook.github.io/react/docs/advanced-components.html

@petehunt

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@jordow I have a mixin that does this for IG that I want to get into react_contrib.

This is probably a good idea for us to do, however if we use React.autoBind() on the function passed to setInterval() it'll suppress the errors when the component unmounts. I'm pretty sure that killing the setInterval() is better though.

I'm inclined to take this (once rebased) if everyone's OK with it.

@zpao

zpao commented Oct 9, 2013

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We've redone a lot of the docs (and a lot of React) since this was opened so I'm going to just close it out.

@zpaozpao closed this Oct 9, 2013
jgebhardt added a commit to jgebhardt/react that referenced this pull request Mar 14, 2014
zpao pushed a commit that referenced this pull request Mar 15, 2014
zpao added a commit that referenced this pull request Mar 15, 2014
jgebhardt added a commit to jgebhardt/react that referenced this pull request Jun 30, 2014
sophiebits added a commit that referenced this pull request Jun 30, 2014
sophiebits pushed a commit that referenced this pull request Jun 30, 2014
(cherry picked from commit a8e273f)
lunaruan pushed a commit to bvaughn/react that referenced this pull request Jun 15, 2021
…act#18)
* add cross-env to set NODE_ENV on windows and fix build on windows
* Update package-lock.json
* Update api.server.js
* Update package.json
Co-authored-by: Ahsan Sohail (213979) <AhSohail@KHI-ICX-AHSANS>
Co-authored-by: Dan Abramov <dan.abramov@gmail.com>
switz added a commit to switz/react that referenced this pull request Mar 25, 2026
…rs (react#18)
Restore props serialization (skipping props breaks hydration).
Update findings doc with final validated concurrent throughput:
c=1: 127 → 330 req/s (2.6x)
c=25: 98 → 292 req/s (3.0x)
c=50: 89 → 285 req/s (3.2x)
Props serialization adds ~1.3ms per request for 226 boundaries.
This is real, irreducible work — the client needs props to hydrate.
V8 JSON.stringify is already near-optimal. Total per-request cost
is 3.2ms (309 req/s), which is 2.3x faster than the full pipeline.
Server-only fused: 528 req/s (matches renderToString).
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4 participants

@lguzzon@zpao@petehunt@benjamn
, '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

Some help little fixes ... remember "Right Resource Management" - #18

Closed
lguzzon wants to merge 3 commits into
react:masterfrom
lguzzon-scratchbook:master
Closed

Some help little fixes ... remember "Right Resource Management"#18
lguzzon wants to merge 3 commits into
react:masterfrom
lguzzon-scratchbook:master

Conversation

@lguzzon

Copy link
Copy Markdown

I think that "resource management" is important; so once You instantiate a resource in a Component then You have to dispose it at the Component life-time's end (in this case using "componentWillUnmount" method).
That's it.

I think that "resource management" is important; so once You instantiate a resource in a Component then You have to dispose it at the Component life-time's end (in this case using "componentUnMount" method).
That's it.
@zpao

zpao commented May 30, 2013

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Copy Markdown
Contributor

Also, please don't remove the brackets on the code fences. This is what allows us to do line highlighting and call out specific changes in the tutorial.

@lguzzon

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Copy Markdown
Author

@benjamn You are rigth ... a got a Typo error ... now fixing
@zpao I see that the rendered markdown with brackets is not highlighted isn't it?

@zpao

zpao commented May 30, 2013

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Copy Markdown
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On GitHub it won't be - we customized markdown processing a little bit to enable it on the website. That customization actually breaks the highlighting on Github since it's a custom extension. See it in action: http://facebook.github.io/react/docs/tutorial.html

Comment threaddocs/docs/tutorial.md Outdated

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React's lifecycle will guarantee that componentWillMount() is called before componentWillUnmount(), so you don't need to do this check :D See http://facebook.github.io/react/docs/advanced-components.html

@petehunt

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@jordow I have a mixin that does this for IG that I want to get into react_contrib.

This is probably a good idea for us to do, however if we use React.autoBind() on the function passed to setInterval() it'll suppress the errors when the component unmounts. I'm pretty sure that killing the setInterval() is better though.

I'm inclined to take this (once rebased) if everyone's OK with it.

@zpao

zpao commented Oct 9, 2013

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We've redone a lot of the docs (and a lot of React) since this was opened so I'm going to just close it out.

@zpaozpao closed this Oct 9, 2013
jgebhardt added a commit to jgebhardt/react that referenced this pull request Mar 14, 2014
zpao pushed a commit that referenced this pull request Mar 15, 2014
zpao added a commit that referenced this pull request Mar 15, 2014
jgebhardt added a commit to jgebhardt/react that referenced this pull request Jun 30, 2014
sophiebits added a commit that referenced this pull request Jun 30, 2014
sophiebits pushed a commit that referenced this pull request Jun 30, 2014
(cherry picked from commit a8e273f)
lunaruan pushed a commit to bvaughn/react that referenced this pull request Jun 15, 2021
…act#18)
* add cross-env to set NODE_ENV on windows and fix build on windows
* Update package-lock.json
* Update api.server.js
* Update package.json
Co-authored-by: Ahsan Sohail (213979) <AhSohail@KHI-ICX-AHSANS>
Co-authored-by: Dan Abramov <dan.abramov@gmail.com>
switz added a commit to switz/react that referenced this pull request Mar 25, 2026
…rs (react#18)
Restore props serialization (skipping props breaks hydration).
Update findings doc with final validated concurrent throughput:
c=1: 127 → 330 req/s (2.6x)
c=25: 98 → 292 req/s (3.0x)
c=50: 89 → 285 req/s (3.2x)
Props serialization adds ~1.3ms per request for 226 boundaries.
This is real, irreducible work — the client needs props to hydrate.
V8 JSON.stringify is already near-optimal. Total per-request cost
is 3.2ms (309 req/s), which is 2.3x faster than the full pipeline.
Server-only fused: 528 req/s (matches renderToString).
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4 participants

@lguzzon@zpao@petehunt@benjamn