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Maya Lekova
@
MayaLekova
Munich, Germany
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Engineer @v8js. Passionate about simplifying concepts, readable code and music-making machines.
Superpower: naivety 🦓
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69
Tweetovi
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226
Pratim
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1.505
Osobe koje vas prate
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V8
@v8js
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17. pro |
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JavaScript is now equipped with a new regular expression enhancement!
@MayaLekova shows how it can be used for finding positions of matched groups. v8.dev/features/regex…
(This feature is available starting from V8 v7.9 behind a --harmony-regexp-match-indices flag.) pic.twitter.com/dYSYkZwSkF
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Maya Lekova
@MayaLekova
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10. pro |
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Just measured locally and for me the non-memoized proxy is still slow.
Btw, a long shot, but Object.defineProperty has its own overhead, at least in Chrome: bugs.chromium.org/p/v8/issues/de…
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Maya Lekova
@MayaLekova
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10. pro |
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Good results indeed. Still, as far as I see this is only limited to handlers which don't have observable side effects. Because if they do, then executing them only once would yield different results than the usual execute-on-every-get behaviour.
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Standards In 2 Minutes
@StandardsIn2Min
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21. stu |
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One of the newest ECMAScript features is globalThis!
See the write up by @laurieontech.
dev.to/laurieontech/g…
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Michael Stanton
@AlpenCoder
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14. stu |
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A fun code walkthrough with the @v8js team today: the dark magic of exceptions 😙 ripsawridge.github.io/articles/excep… #v8js pic.twitter.com/9UNVf1JfGF
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Standards In 2 Minutes
@StandardsIn2Min
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25. lis |
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Private class fields in JavaScript in 2 minutes... - @briankardell
#StandardsIn2Min
bkardell.com/blog/PrivateFi…
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Maya Lekova
@MayaLekova
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24. lis |
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When I notice myself making a consistent mistake with those, I sometimes write (with a pencil, of course) on top of the measure e.g. "g sharp!" :) Then I eventually erase that.
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Maya Lekova
@MayaLekova
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4. ruj |
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For truthy and `undefined` specifically yes, but there might be surprises with falsy values, see here:
github.com/tc39/proposal-…
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Maya Lekova
@MayaLekova
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4. ruj |
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I could imagine if you want to do more in the "undefined" case, e.g. log an error. If you simply need to short-circuit evaluation, I'd prefer using the new operator.
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V8
@v8js
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27. kol |
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🔥 Optional chaining syntax is coming to JavaScript!
This feature enables readable and concise expression of property accesses with built-in nullish checking. @MayaLekova explains: v8.dev/features/optio… pic.twitter.com/ycjzZAB4S6
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Maya Lekova
@MayaLekova
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13. srp |
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As far as I'm aware, the async hooks will stay as part of Node.js only.
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Maya Lekova
@MayaLekova
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9. srp |
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Hi, sorry for the late reply. You're correct, it's a call in native code.
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Maya Lekova
@MayaLekova
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13. ožu |
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Let's continue the discussion on GitHub please!
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Maya Lekova
@MayaLekova
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8. ožu |
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Supposedly that was the original source:
m.comixology.eu/Invincible-Vol…
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Maya Lekova
@MayaLekova
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8. ožu |
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Not 100% sure, as a friend sent me just the picture. But it looks like it's this one:
m.comixology.eu/Invincible-Vol…
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V8
@v8js
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3. sij 2019. |
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Orinoco (V8’s garbage collector) evolved from a sequential stop-the-world implementation into a mostly parallel and concurrent collector with incremental fallback. @hooraybuffer talks trash:
v8.dev/blog/trash-talk pic.twitter.com/JAT8rHUeLI
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Maya Posch
@MayaPosch
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30. pro 2018. |
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For 2019 I would like to have a job again. My qualifications: C, C++, embedded, currently writing my third book (on embedded C++ dev).
I love challenges and responsibility. Relocating is no problem.
mayaposch.com
github.com/MayaPosch
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Maya Lekova
@MayaLekova
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27. pro 2018. |
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Futuristic news from the present:
3dprintingindustry.com/news/3d-printe…
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Maya Lekova
@MayaLekova
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26. pro 2018. |
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amazon.com/Mathematics-Pr… - known as fundamental and practical at the same time.
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Maya Lekova
@MayaLekova
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25. pro 2018. |
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It's still there only when async hooks are enabled (in Node.js) - they attach some internal data on it.
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