executor | A minimalistic async/await executor for Rust | Reactive Programming library
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kandi X-RAY | executor Summary
A minimalistic async/await executor for Rust
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of executor
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executor Examples and Code Snippets
Lines of Code : 16License : Permissive (MIT License)
Copypublic void testExecutor2() {
final ExecutorService service = Executors.newSingleThreadExecutor();
Future f = null;
try {
f = service.submit(new LongRunningTask());
LOG.info("testExecutor2");
@Bean
AsyncTaskExecutor delayedTaskExecutor() {
return new ThreadPoolTaskExecutor() {
@Override
public Future submit(Callable task) {
return super.submit(() -> {
Thread.sleep @Override
@Bean(name = "taskExecutor")
public Executor getAsyncExecutor() {
log.debug("Creating Async Task Executor");
ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
executor.setCorePoolSize(jHipsterPr Community Discussions
Trending Discussions on executor
QUESTION
I was following this tutorial on a Macbook to build a sample Docker image but when I tried to run the following command:
...ANSWER
Answered 2021-Oct-06 at 13:31See its Dockerfile, it uses FROM python:alpine AS base, which means it used a shared tag. Another word, at the time the document wrote, python:alpine means maybe python:3.9-alpine or others.
But now, it means python:3.10-alpine, see this.
The problems happens at mkdocs itself, it uses next code:
QUESTION
When I execute run-example SparkPi, for example, it works perfectly, but
when I run spark-shell, it throws these exceptions:
ANSWER
Answered 2022-Jan-07 at 15:11i face the same problem, i think Spark 3.2 is the problem itself
switched to Spark 3.1.2, it works fine
QUESTION
I am getting this error when I try to sign up a user. After this error, I'm still able to sign in with the user it would've created, but it always shows me this upon registration. Please let me know if there's other information you need. Been stumped on this for a few days.
Here is the callback for the error:
...ANSWER
Answered 2022-Jan-03 at 12:08This seems to a be a known issue with Rails 7 and Devise now. To fix it in the meantime simply add the following line to your devise.rb.
config.navigational_formats = ['*/*', :html, :turbo_stream]
QUESTION
I was using pyspark on AWS EMR (4 r5.xlarge as 4 workers, each has one executor and 4 cores), and I got AttributeError: Can't get attribute 'new_block' on . Below is a snippet of the code that threw this error:
...ANSWER
Answered 2021-Aug-26 at 14:53I had the same error using pandas 1.3.2 in the server while 1.2 in my client. Downgrading pandas to 1.2 solved the problem.
QUESTION
How to manage access to shared resources using Project Reactor?
Given an imaginary critical component that can execute only operation at the time (file store, expensive remote service, etc), how could one orchestrate in reactive manner access to this component if there are multiple points of access to this component (multiple API methods, subscribers...)? If the resource is free to execute the operation it should execute it right away, if some other operation is already in progress, add my operation to the queue and complete my Mono once my operation is completed.
My idea is to add tasks to the flux queue which executes tasks one by one and return a Mono which will be complete once the task in the queue is completed, without blocking.
...ANSWER
Answered 2022-Feb-23 at 10:26this looks like a simplified version of what the reactor-pool does, in essence. have you considered using that with eg. a maximum size of 1?
https://github.com/reactor/reactor-pool/
https://projectreactor.io/docs/pool/0.2.7/api/reactor/pool/Pool.html
The pool is probably overkill, because it has the overhead of having to deal with multiple resources on top of multiple competing borrowers like in your case, but maybe it could provide some inspiration for you to go further.
QUESTION
I am using MongoDB(Mongo Atlas) in my Django app. All was working fine till yesterday. But today, when I ran the server, it is showing me the following error on console
...ANSWER
Answered 2021-Oct-03 at 05:57This is because of a root CA Let’s Encrypt uses (and Mongo Atals uses Let's Encrypt) has expired on 2020-09-30 - namely the "IdentTrust DST Root CA X3" one.
The fix is to manually install in the Windows certificate store the "ISRG Root X1" and "ISRG Root X2" root certificates, and the "Let’s Encrypt R3" intermediate one - link to their official site - https://letsencrypt.org/certificates/
Copy from the comments: download the .der field from the 1st category, download, double click and follow the wizard to install it.
QUESTION
In my gitlab CI I always get this hint messages. Yes, I see I have to set git config --global init.defaultBranch main, but everything I'm adding in my stages / jobs of the CI gitlab config is executed after fetching.
ANSWER
Answered 2022-Jan-13 at 16:37As far as i experienced, the only way to disable this message is to set the config globally in the .gitconfig of the user running the gitlab-runner.
This can either be done on the underlying VM if you use the shell-runner or inside the used docker-image when using the docker-runner
Update
Altough it says global, the git-setting is user based. You'll have to set it as the same user that executes the gitlab-runner.
Depending on the configuration, this might be gitlab-runner or a custom user on shell-runners or root when using the docker-executor.
QUESTION
i'm having a problem to publish my app on the play store after october 2021, the error says that the table media_store_extension doesn't exist. The thing is: i don't use SQLITE on the project, so i have no idea what may be causing this exception.
The target sdk is 30, and de minimun is 26
The full error:
...ANSWER
Answered 2021-Nov-18 at 11:41This error is reported not only from Flutter developers, but also from Unity (https://forum.unity.com/threads/getting-an-odd-error-in-internal-android-build-after-updating-iap.1104352/ and https://forum.unity.com/threads/error-when-submitting-app-to-google-play.1098139/) and in my case - for a native android app.
We first got this error 6 months ago and applied the fix that was suggested by the unity guys:
QUESTION
I have an java app (JDK13) running in a docker container. Recently I moved the app to JDK17 (OpenJDK17) and found a gradual increase of memory usage by docker container.
During investigation I found that the 'serviceability memory category' NMT grows constantly (15mb per an hour). I checked the page https://docs.oracle.com/en/java/javase/17/troubleshoot/diagnostic-tools.html#GUID-5EF7BB07-C903-4EBD-A9C2-EC0E44048D37 but this category is not mentioned there.
Could anyone explain what this serviceability category means and what can cause such gradual increase? Also there are some additional new memory categories comparing to JDK13. Maybe someone knows where I can read details about them.
Here is the result of command jcmd 1 VM.native_memory summary
ANSWER
Answered 2022-Jan-17 at 13:38Unfortunately (?), the easiest way to know for sure what those categories map to is to look at OpenJDK source code. The NMT tag you are looking for is mtServiceability. This would show that "serviceability" are basically diagnostic interfaces in JDK/JVM: JVMTI, heap dumps, etc.
But the same kind of thing is clear from observing that stack trace sample you are showing mentions ThreadStackTrace::dump_stack_at_safepoint -- that is something that dumps the thread information, for example for jstack, heap dump, etc. If you have a suspicion for the memory leak in that code, you might try to build a MCVE demonstrating it, and submitting the bug against OpenJDK, or showing it to a fellow OpenJDK developer. You probably know better what your application is doing to cause thread dumps, focus there.
That being said, I don't see any obvious memory leaks in StackFrameInfo, neither can I reproduce any leak with stress tests, so maybe what you are seeing is "just" thread dumping over the larger and larger thread stacks. Or you capture it when thread dump is happening. Or... It is hard to say without the MCVE.
Update: After playing with MCVE, I realized that it reproduces with 17.0.1, but not with either mainline development JDK, or JDK 18 EA, or JDK 17.0.2 EA. I tested with 17.0.2 EA before, so was not seeing it, dang. Bisection between 17.0.1 and 17.0.2 EA shows it was fixed with JDK-8273902 backport. 17.0.2 releases this week, so the bug should disappear after you upgrade.
QUESTION
I get an error during wildfly startup with the following message:
NoSuchFieldError: EMPTY_BYTE_ARRAY
The message also say that this error occurs in undertow deployment. Could anybody give me a hint of what is going on here and how to solve that?
Below is the beginning of the stack trace.
...ANSWER
Answered 2021-Dec-26 at 15:35You need to exclude the API module from your deployment. Your other option is to use WildFly 26 which include the 2.16 version of the API.
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Install executor
Rust is installed and managed by the rustup tool. Rust has a 6-week rapid release process and supports a great number of platforms, so there are many builds of Rust available at any time. Please refer rust-lang.org for more information.
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