Dispatcher | flexible work scheduler that schedulers | Reactive Programming library
kandi X-RAY | Dispatcher Summary
kandi X-RAY | Dispatcher Summary
Dispatcher is a simple and flexible work scheduler that schedulers work on a background or UI thread correctly in the form of Dispatch using the android.os.Handler class.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of Dispatcher
Dispatcher Key Features
Dispatcher Examples and Code Snippets
Lines of Code : 70License : Permissive (Apache-2.0)
CopyDispatchQueue.background
.async {
//do background work here
val sb = StringBuilder()
for (i in 0..100) {
sb.append(i)
.append(" ")
}
sb.toString()
}
.post { data ->
class TestJsonData {
var id: Int = 0
var nm: String = ""
var cty: String = ""
override fun toString(): String {
return "TestJsonData(id=$id, nm='$nm', cty='$cty')"
}
}
interface TestService {
@GET("/api/data?lis class SimpleActivity: AppCompatActivity() {
private val lifecycleDispatchQueueController = LifecycleDispatchQueueController()
override fun onResume() {
super.onResume()
DispatchQueue.background
.managedBy(lifecyc Community Discussions
Trending Discussions on Dispatcher
QUESTION
In the following code how can we pass the context.args and context to another function, in this case callback_search_msgs
ANSWER
Answered 2021-Jun-15 at 18:39A few notes:
- job callbacks accept exactly one argument of type
CallbackContext. Not two. - the
job_kwargsparameter is used to pass keywoard argument to the APScheduler backend, on whichJobQueueis built. The way you're trying to use it doesn't work. - if you want to know only the
chat_idin the job, you don't have to pass the wholecontextargument ofsearch_msgs. Just docontext.job_queue.run_once(..., context=chat_id,...) - if you want to pass both the
chat_idandcontext.argsyou can e.g. pass them as tuple:
QUESTION
I have a generator object, that loads quite big amount of data and hogs the I/O of the system. The data is too big to fit into memory all at once, hence the use of generator. And I have a consumer that all of the CPU to process the data yielded by generator. It does not consume much of other resources. Is it possible to interleave these tasks using threads?
For example I'd guess it is possible to run the simplified code below in 11 seconds.
...ANSWER
Answered 2021-Jun-15 at 16:02Send your data to separate processes. I used concurrent.futures because I like the simple interface.
This runs in about 11 seconds on my computer.
QUESTION
I wrote a discord bot. "o" is first letter of play. "atla" is skip. When I wrote -o MUSIC_NAME, music is adding queue and starting to play. And when I write again, just adding queue. Everything is okay still here. When I wrote -atla. It's also working perfectly. But when I allow to changing auto music itself, it's changing music automatically. But problem is here. The end of the last music not working else if (list.length === 0) block in endHandler function. How can I fix that? Thanks for your attention.
...ANSWER
Answered 2021-Jun-15 at 15:41I'm not familiar with Discord bots but I don't think your endHandler will ever run the else if part the way it is because your code is always creating a new dispatcher when it plays the next song, but never sets up a finish handler for it.
QUESTION
I've been experimenting with the Kotlin coroutines in android. I used the following code trying to understand the behavior of it:
...ANSWER
Answered 2021-Jun-15 at 14:51This is exactly the reason why coroutines were invented and how they differ from threaded concurrency. Coroutines don't block, but suspend (well, they can do both). And "suspend" isn't just another name for "block". When they suspend (e.g. by invoking join()), they effectively free the thread that runs them, so it can do something else somewhere else. And yes, it sounds like something that is technically impossible, because we are in the middle of executing the code of some function and we have to wait there, but well... welcome to coroutines :-)
You can think of it as the function is being cut into two parts: before join() and after it. First part schedules the background operation and immediately returns. When background operation finishes, it schedules the second part on the main thread. This is not how coroutines works internally (functions aren't really cut, they create continuations), but this is how you can easily imagine them working if you are familiar with executors or event loops.
delay() is also a suspending function, so it frees the thread running it and schedules execution of the code below it after a specified duration.
QUESTION
I'm currently trying out Android Compose. I have a Text that shows price of a crypto coin. If a price goes up the color of a text should be green, but if a price goes down it should be red. The function is called when a user clicks a button. The problem is that the function showPrice() is called multiple times (sometimes just once, sometimes 2-4 times). And because of that the user can see the wrong color. What can I do to ensure that it's only called once?
MainActivity:
...ANSWER
Answered 2021-Jun-13 at 03:17What can I do to ensure that it's only called once?
Nothing, that's how it's meant to work. In the View system you would not ask "Why is my view invalidated 3 times?". The framework invalidates (recomposes) the view as it needs, you should not need to know or care when that happens.
The issue with your code is that your Composable is reading the old value from preferences, that is not how it should work, that value should be provided by the viewmodel as part of the state. Instead of providing just the new price, expose a Data Class that has both the new and old price and then use those 2 values in your composable to determine what color to show, or expose the price and the color to use.
QUESTION
I have been moderating a telegram group for some time and I have had no issues using the python-telegram-bot package. I actually love it. However, I can't seem to get a functioning "Welcome Message" for when new users join.
Right now, I have tried structuring the function like I do with my command and message handlers:
...ANSWER
Answered 2021-Jun-15 at 07:15As thethiny already pointed out, chatmember updates have so associated message: update.message will be None, while update.chat_member will be an instance of ChatMemberUpdated. Note that Message.reply_text is just a shortcut for Bot.send_message(chat_id=message.chat.id, ...), so as long as you have the chat_id you can just use e.g. context.bot.send_message - and you can get that chat_id from ChatMemberUpdated.chat. In fact, you can still use PTBs shortcuts, e.g. update.effective_chat.send_message.
Please check out the docs of
ChatMemberUpdated(official and PTB)Update.effective_chatChat.send_message
as well as the chatmemberbot.py example provided by PTB.
Disclaimer: I'm currently the maintainer of python-telegram-bot
QUESTION
I have a spring web project, with a controller for editing customer details.
...ANSWER
Answered 2021-Jun-14 at 10:13The ajax calls normally are suitable for handing responses like JSON, XML than views.
So, If you change your controller to @RestContoller from @Controller, this should work.
QUESTION
I've been reading this article to understand how to unit test a coroutine that contains a delay and applied it, but I still don't understand why verify is being called before having called myDelayedMethod() in the coroutine and therefore the verification fails. Isn't there a way to execute the code synchronously in the test?
Pseudocode:
...ANSWER
Answered 2021-Jun-14 at 09:28One idea could be to return the Job in method1 like the following:
QUESTION
I am trying to use SqlDelight database in my app.
In my DAO, I have a function called getRecipeById to query the database and return a flow of domain model (Recipe). Here is the implementation of the function: (Note: RecipeTable is the name of the table, or I guess I should have called it RecipeEntity)
...ANSWER
Answered 2021-Jun-14 at 06:21I don't think MutableState is designed to be used in the ViewModel layer, since it's an observable integrated with the compose runtime.
You could create a MutableStateFlow instead and use collectAsState() from the view layer.
In your case the issue is probably, because of the state is captured in a coroutine invoked outside composition.
QUESTION
dispatcher-servlet.xml
...ANSWER
Answered 2021-Jun-14 at 02:53This issue is solved after correcting up my code
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