Links on Must watch talks
-
A Year living Freely - Chris Myers
-
Programs as Values Pure Composable Database Access in Scala. In general each talk from Rob Norris is very useful for learning.
ikhoon
/ DATAFrameErrorStack.java
Last active
January 30, 2020 07:27
java.lang.IllegalStateException: cannot start a new stream
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| "armeria-common-worker-nio-2-1@4812" daemon prio=5 tid=0x17 nid=NA runnable | |
| java.lang.Thread.State: RUNNABLE | |
| at com.linecorp.armeria.internal.Http2ObjectEncoder.doWriteData(Http2ObjectEncoder.java:93) | |
| at com.linecorp.armeria.internal.HttpObjectEncoder.writeData(HttpObjectEncoder.java:85) | |
| at com.linecorp.armeria.server.HttpResponseSubscriber.write(HttpResponseSubscriber.java:298) | |
| at com.linecorp.armeria.server.HttpResponseSubscriber.onNext(HttpResponseSubscriber.java:227) | |
| at com.linecorp.armeria.server.HttpResponseSubscriber.onNext(HttpResponseSubscriber.java:58) | |
| at com.linecorp.armeria.common.stream.DefaultStreamMessage.notifySubscriberWithElements(DefaultStreamMessage.java:341) | |
| at com.linecorp.armeria.common.stream.DefaultStreamMessage.notifySubscriber0(DefaultStreamMessage.java:319) | |
| at com.linecorp.armeria.common.stream.DefaultStreamMessage.doRequest(DefaultStreamMessage.java:188) |
ikhoon
/ client-call-close-stacktrace.txt
Last active
August 3, 2020 07:30
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| java.lang.RuntimeException: null | |
| at com.linecorp.armeria.internal.client.grpc.ArmeriaClientCall.close(ArmeriaClientCall.java:441) | |
| at com.linecorp.armeria.internal.client.grpc.ArmeriaClientCall.transportReportStatus(ArmeriaClientCall.java:398) | |
| at com.linecorp.armeria.internal.common.grpc.GrpcStatus.reportStatus(GrpcStatus.java:259) | |
| at com.linecorp.armeria.internal.common.grpc.HttpStreamReader.onNext(HttpStreamReader.java:128) | |
| at com.linecorp.armeria.internal.common.grpc.HttpStreamReader.onNext(HttpStreamReader.java:44) | |
| at com.linecorp.armeria.common.stream.DefaultStreamMessage.notifySubscriberWithElements(DefaultStreamMessage.java:404) | |
| at com.linecorp.armeria.common.stream.DefaultStreamMessage.notifySubscriber0(DefaultStreamMessage.java:382) | |
| at com.linecorp.armeria.common.stream.DefaultStreamMessage.doRequest(DefaultStreamMessage.java:239) | |
| at com.linecorp.armeria.common.stream.DefaultStreamMessage.request(DefaultStreamMessage.java:224) |
ikhoon
/ FixedStreamMessageTest.java
Created
August 19, 2020 02:53
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| class FixedStreamMessageTest { | |
| @ArgumentsSource(IntsProvider.class) | |
| @ParameterizedTest | |
| void spec_306_requestAfterCancel(List<Integer> nums) throws InterruptedException { | |
| final Integer[] array = nums.stream().toArray(Integer[]::new); | |
| final StreamMessage<Integer> message = StreamMessage.of(array); | |
| final CompletableFuture<Subscription> subscriptionFuture = new CompletableFuture<>(); | |
| message.subscribe(new Subscriber<Integer>() { | |
| @Override |
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| ## Templates for guava ## | |
| .toList : convert to ImmutableList | |
| java.util.stream.Stream -> $expr$.collect(com.google.common.collect.ImmutableList.toImmutableList()) |
ikhoon
/ BidiStream.java
Created
February 5, 2021 07:39
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| package example.armeria; | |
| import java.nio.charset.StandardCharsets; | |
| import java.time.Duration; | |
| import java.util.ArrayList; | |
| import java.util.List; | |
| import org.junit.jupiter.api.Test; | |
| import org.junit.jupiter.api.extension.RegisterExtension; | |
| import org.reactivestreams.Publisher; |
ikhoon
/ armeria-interop-scala.md
Last active
March 3, 2021 11:03
Unit타입에 반환하는 함수의 반환값을 확인하지 않으면 컴파일러 워닝이 발생함-Xfatal-warnings옵션이 활성화 되면 컴파일도 실패됨- http4s-armeria/ArmeriaHttp4sHandler.scala at 39e3ae4847e071a80da3a8250ff6e405e58d55c6 · http4s/http4s-armeria · GitHub
Function<? super HttpService, ? HttpService>형태의 일 경우에 Scala Function에서 바로 형변환이 되지 않기 때문에delegate => new MyHttpService(delegate)를 해줘야 함- Decorator를 편하게 쓸수 있게 Scala Function용으로 하나 제공해주면 좋을것 같음
- sttp/AbstractArmeriaBackend.scala at d556bfacf3ed587c6622d6a362aaa1cd81911030 · softwaremill/sttp · GitHub
- [http4s-armeria/ArmeriaClientBuilder.scala at cc1ee774bedfa38387ce3eadfb002b719fbdcb6a · http4s/http4s-armeria · GitHub](https:
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| { | |
| // comments | |
| unquoted: 'and you can quote me on that', | |
| singleQuotes: 'I can use "double quotes" here', | |
| lineBreaks: "Look, Mom! \ | |
| No \\n's!", | |
| hexadecimal: 0xdecaf, | |
| leadingDecimalPoint: .8675309, andTrailing: 8675309., | |
| positiveSign: +1, | |
| trailingComma: 'in objects', andIn: ['arrays',], |
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| // https://twitter.github.io/scala_school/type-basics.html | |
| // 트위터 스칼라 스쿨에 나오는 자료구조를 활용해보겠다. | |
| class Animal { val sound = "rustle" } | |
| class Bird extends Animal { override val sound = "call" } | |
| class Chicken extends Bird { override val sound = "cluck" } | |
| class Duck extends Bird { override val sound = "duck" } | |
| def foo(tweet: Bird => String) = { | |
| tweet(new Bird) |
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| #!/bin/bash | |
| # zsh | |
| echo "Installing zsh..." | |
| chsh -s `which zsh` | |
| curl -L https://raw.github.com/robbyrussell/oh-my-zsh/master/tools/install.sh | sh | |
| # homebrew, pip | |
| echo "Installing homebrew, pip..." | |
| /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)" |