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Isolates and multithreading in Flutter (The Boring Flutter Development Show, Ep. 30)
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- เผยแพร่เมื่อ 14 ส.ค. 2024
- In this episode of the Boring Show, Filip is joined by Andrew. Follow along as they dive into isolates and multithreading in Dart.
Helpful Resources:
The Isolate class → goo.gle/2lWxULg
Andrew's video & Kathy's article about Isolates → goo.gle/2lqoGXa
Hacker News App on GitHub→ goo.gle/2MXeNeR
Watch more episodes of the Boring Show here → goo.gle/Boring...
Get started with Flutter → flutter.dev
Learn more about the Dart Language → goo.gle/2YF9OCi
Try a Flutter codelab → goo.gl/d3fHPo
Join the conversation → goo.gl/68oUnb
Subscribe to the Flutter channel → goo.gle/Flutter
#Flutter #BoringShow #AppDevelopment
I can understand why you'd speed it up, but given that TH-cam already provided that option, it seems a bit unnecessary since there may be people that like to watch it at normal speed
Please do an episode with Background Services.
I'd really like that!!!
yes. It is definitely necessary.
Yeah.. A video on communication between flutter and android foreground services.
I prefer it the way it was. There are speed controls in the TH-cam player, so speeding it up for us is not really necessary.
Haha, Yes!
i say before they give up the idea, try it at 10% instead of 20%. 20% is very obvious. if 10% doesn't feel natural just go back to what it was imho
make it x0.75 and you get the same speed as it was
@@rasyidcode3142 Well almost. Because .75*1.2 = .9, not 1.0...
if you're going to do anything cut out silent segments with jump cuts or something. Check out something like python pip package autoscrub if you need it automated. Artificially increasing the speed when u have already speed controls built into youtube simply punishes anyone who wanted to watch it at normal speed. In this video, for instance, the audio/framerate are mangled if I want to approximate normal playback speed by setting the control to 75% playback to counteract your +20%.
We love those un cuts and it is good to see the reality when doing and learning some new stuff, how debugging and everything revolves
I'm already waiting for next episode! Thank you, guys!
8:00 to 10:00 is exactly one of the reasons why programming is fun! Good video guys!
Very relaxing to watch and learn. Thank you for the format! :) "Boring" is great :)
So much fun with dart forced formatting in most IDEs - he types the compute() how he likes it (and what is most readable) and then saving at 9:25 the IDE force-reformats to garbage (but hey, it saved 2 LOC, that's almost like a win).
Also gotta say solving the problem of "thread" shared memory access by not allowing any shared memory is like solving the problem of your door squeaking by burning down your house. Pure genius.
Definitely put out a part two where you continue implementing! The process is the best part of this show, keep making awesome, boring content :)
This is really great, speed is good. Thanks for everything you do, it is an exciting time to make apps thanks to Flutter.
Very very boring. Thank you for the useful information. I love Flutter 💙💜💙💜
Guys, I have working on a FuchsiaOS, I'm lovin' !
I'm so excited to see its official release.
It's a lot of fumbling around for such a fundamentals thing as off main thread worker. Is there already a video where you are more certain on how this should be implemented?
Super informative. Thank you
This series is super awesome!
I learned a lot, thanks!
I like the fact that you sped up the episode. I think it allows for more info in a shorter amount of time. But, aren't you also sort of duplicating youtube's built in ability? Not sure that it's super needed.
And I also really like this topic! I think it's conceptually complex enough that it's really helpful to have a video of it opposed to a article walk-through. Looking forward to part 2.
I am n sure how to tell you, but I needed this really bad. Other sources were kind of hard to understand. You did a great job explaining. Also, the speed is good!
Haha, just put the video on 1.5x before you guys announced the sped up state! Can't wait to finish watching and put this to use :)
definitely needs a part 2 😉👍
Great to hear! We actually already shot part 2, it's in the works to be released next. :)
Thanks for hearing my feedback. Appreciate you trying to do a faster "Boring Show". :D
Love the addition of the speed!
I've been watching Boring Show at 1.5x speed since the first episode. Now I have to watch at 1.25x :P
A lot of the time I am programming I feel so inadequate because I don't know stuff or need to look it up. It is a relieve to see two of my teachers discussing coding and code quality and struggling with unfamiliar code. I do not feel so bad anymore lol. I whish I could see more live programming (and not tutorials where everything was tried out before).
very good episode we are looking for more development Information about Flutter so please keep going up
Nice!! Exactly what I was wondering about Wednesday. Thanks guys!!
I play all episodes at 3x anyways. It would probably be best to not speed up the videos on your end, for the people who want to watch it at the original speed. Thanks for the great tutorial guys :)
20% faster is 20% better than before. Thanks!
How I watch the show: I watch at 1.9x speed, using video speed controller extension for chrome. And I use the right key to skip over moments which don't seem very important. I like having the choice to control the speed.
Hi guys, thanks for all the helpful information. I have a quick suggestion though. Can you please include more stuff in video description like definition or summary of what you will be talking about and specially the application of these information in real world development cases.
Am I the only to notice that fuchsia os logo??
flutter is gonna be huge 😍
@@aadarshpatel3274 look at Filip's MacBook..
I like the 20% extra speed. However I do agree with the other comments, you have this feature build into TH-cam.
I have a request for a future episode: How to deal with a horizontal list of items that snap into place like with Android's SnapHelper. Even with items that do not have equal widths?
We can already speed it in the settings
Well ... 100% are perfect. And I have no problem when the length is longer then one hour. If it too slow or longer people can use the yt controls to speed up. 😀
It was good at 100% speed. The 20% faster made it worse in my opinion
I usually listen at 1.5 but think you should record at 1 and let the viewer control the speed. Thanks for the videos 👍
Love Flutter
Creating Isolates -> @26:14 onwards
Is there a link to the example code you guys are doing? Would be great to understand better all the app
Hi, Pedro! Flutter has several samples to help with your coding journey. The links I have provided below will direct you to our Flutter samples, including JSON code which was featured in this video 😄
Flutter Samples: flutter.github.io/samples/#
JSON Example: flutter.github.io/samples/jsonexample.html
Hey have a question, which instead of every time create new isolate when we call computer method maybe use some isolate pool ? in dart/flutter we have like so api ?
I have to make multiple network calls in flutter and none of them will bring some data back to me, they are just for sending some data continuously somewhere and don't require async/await, they are also not a priority task even if they fail or comes error I don't care.
I need to know if I don't use async await before a network call, how does it work in the flutter event loop does it wait and reduce UI performance
Should I run them in separate Isolate threads or the event loop will process these events without dropping performance,
An isolate literally spawns a new operating system thread? Or is the model as in the BEAM where you have a pool of schedulers that manage (isolated) Erlang processes?
Is there an episode on web workers in the dart:html and how to use?
Keep the speed as normal. We can change the speed if we want. I don't want to slow down the video speed to keep up on more technical parts
can you guys help with automatically scrolling to a card in a listview where the condition is satisfied or by index?
Use a scroll controller
I think you should leave it normal speed. After all people can speed up the video in the TH-cam player and that works well. But if someone wants to slow it back down to normal speed it doesn’t work because the frames were thrown away in the rendering phase.
It is at good pace 👍🏻
I much prefer regular speed as I tend to just watch these to relax. When I need to learn something I watch at 1.5x / 1.75x via YT controls.
I always listen to tutorial at 1.25x or 1.5x anyways, so better that i didnt have to touch the playback settings.
Nice video.. informative
Amazing, I love Flutter
Multithreading easy is fun and! ... awesome :D
The speeding up makes it weird, please reconsider
plz say about create only with flutter, A interface for ios and Android at same app(1 for android/1 for ios).
It was better the way it was... If its going to slow I just use the youtube player controlls for toggling the speed.
Looking forward UI and animation series.
where can I buy T-shirts with Dart logo and its bold text on it?
Flutter rocks and you guys are awesome!
is it really accelerated 20% ? I don't feel it... so it's a good thing I guess
16:38 @redbrogdon Indeed, the spec makes it a NullThrownError. According to lrn, that's just a choice ("BREAKING CHANGE! NullPointerException removed.," dart-misc, 2012).
#tbt
TH-cam provides the ability to speed up the video, given that. I’d leave it up to the user.
I like it being sped up btw
I think making the show faster yourself is not a good idea. For those people who want to watch faster, they can just use the TH-cam Feature and those who want to watch a little bit slower can just watch in normal speed.
I always wait for your videos in 1.25 speed
It is within the legal limit.
How can I call a stream function automatically in a flutter project without using StreamBuilder?
Hi, what is the name of the font appears in IDEA at 1:43, thanks!
Speed is great
We can increase video speed on youtube, no need to increase it in post-processing.
hahaha! i already watch on 1.25-1.5 speed :-D now i need to calculate to find proper speed for me.
The whiteboard though
+ x2. But don't take it personally, I watch most of the stuff at x2. I'm just way too impatient. ;-)
Where can I get the source code?
I don't mind 120% speed, I thought it wouldn't be good, but It's actually not very noticable
How to get asset file on isolate?
Could you prepare movie how connect apps with firebase . Thanks
How to build flutter apps with Dependency Injection?
no problem @ +20% for me
Which font they are using?
This speeding up is AWESOME. I LOVE IT
Proud to be the first comment!
is there a version of the video that isnt sped up? The audio is just bad
can you make a Boring Show of Dependency Injection ...
thanks.
I like it. Haha You guys are awesome, but you already knew that... 🥴
I usually watch at 1.25x or 1.5x and English is not my native language, BUT, I prefer to control the speed myself, I don't know what you did but the quality is dropped noticeably, also if in some place I want normal speed 0.75x is basically unusable.
Nice
The audio sounds really weird when it's sped up
High playback speed == more content within 60 mins.
Where can I get the code of these tutorials
💙
Please post the original speed video. When learning new concepts, slow is good. These concepts are too complex to speed through. What would be better is to index your videos for easy linking and referencing to specific sub-topics.
Wtf XD 20% speed lol..
instead of watching with x2, now i'm watching with x1.5 😆
A New!
The new speed feels good, but going from regular speed to 20% faster felt jarring.
"easy is fun and"
Google Is always The Best
slow is good
I prefer the boring one, this causes head trauma.
Don't worry about the speed at which u bore us. Thx to youtube's 1.75x speed
normal speed is ok
The music is too faster
Instead of increasing the speed please reduce the duration of the episodes
Watching at 0.75x speed