배우기를 멈추는 사람은 20세건 80세건 늙은 것이다.

>>> value = '1, 2, 3' >>> list(map(str.strip, value.split(','))) ['1', '2', '3']

fun main() { val destructureArray = arrayOf("1", "2", "3", "4", "5", "6") val (str1, str2, str3, str4, str5) = destructureArray println(str1) println(str2) println(str3) println(str4) println(str5) } https://tedblob.com/kotlin-array-destructuring/ Kotlin array destructuring - TedBlob We will learn about the Array destructuring in Kotlin along with relevant examples. A destructuring declarations ..

@Override @Cacheable(key="{#bar.name, #bar.id}") public int foo(Bar bar) { .... } https://stackoverflow.com/questions/13381731/caching-with-multiple-keys @Caching With Multiple Keys I have a service that takes in a DTO and returns some result: @Override public int foo(Bar bar) { .... } Bar is as follows (simplified): public class Bar { public int id; public String stackoverflow.com

redis-cli -h 127.0.0.1 -p 6379 FLUSHALL https://www.shellhacks.com/redis-delete-all-keys-redis-cli/ Redis: Delete All Keys - Redis-CLI - ShellHacks How to flush cache/database in Rredis and delete all keys from all databases or from the particular database only from the Redis command line (redis-cli). www.shellhacks.com https://www.enqdeq.net/216 [Redis] redis-cli로 ip, port, password 입력하여 접속하기 r..

https://javascript.info/async-await Async/await javascript.info async function f() { return 1; } async function f() { return 1; } f().then(alert); // 1 async function f() { return Promise.resolve(1); } f().then(alert); // 1 let value = await promise;

https://www.geekwire.com/2016/ever-come-kooky-kubernetes-name-heptio/ How did they ever come up with that kooky ‘Kubernetes’ name? Here’s the inside story Most techies have heard of Kubernetes, the leading container orchestration product. But some may not know how the name evolved, what it means, or even how to pronounce it. GeekWire got… Read More www.geekwire.com

https://medium.com/nerd-for-tech/airflow-catchup-backfill-demystified-355def1b6f92 Airflow Catchup & Backfill — Demystified Airflow allows missed DAG Runs to be scheduled again so that the pipelines catchup on the schedules that were missed for some reason. It… medium.com 2022-01-01T00:00:00+09:00

https://goddaehee.tistory.com/206 [스프링부트 (5)] Spring Boot 로그 설정(1) - Logback [스프링부트 (5)] Spring Boot Log 설정(1) - Logback 안녕하세요. 갓대희 입니다. 이번 포스팅은 [ 스프링 부트 Log 설정 - 로그백] 입니다. : -) 1. Logback 이란? 특징? - 자바 오픈소스 로깅 프레임.. goddaehee.tistory.com https://bloowhale.tistory.com/79 [Spring ] 원하는 Logging 설정을 위한 logback.xml 적용기 들어가며 이전 글에서 로그를 작성해야 하는 이유 그리고 필자가 사용할 로그 라이브러리인 Slf4j 를 알아보았고 Spring 에서 Default 로..

platform: linux/x86_64 https://stackoverflow.com/questions/65456814/docker-apple-silicon-m1-preview-mysql-no-matching-manifest-for-linux-arm64-v8 Docker (Apple Silicon/M1 Preview) MySQL "no matching manifest for linux/arm64/v8 in the manifest list entries" I'm running the latest build of the Docker Apple Silicon Preview. I created the tutorial container/images and it works fine. When I went to c..

repositories { mavenLocal() mavenCentral() google() } repositories { gradlePluginPortal() } whttps://stackoverflow.com/questions/50726435/difference-among-mavencentral-jcenter-and-mavenlocal/50726436#50726436 Difference among mavenCentral(), jCenter() and mavenLocal()? Actually, I am studying on build.gradle file. In some cases, I got that sometimes they are using mavenCentral(), jCenter() and m..

from datetime import datetime from airflow.exceptions import AirflowSkipException from airflow.models import DAG from airflow.operators.dummy import DummyOperator from airflow.operators.python import PythonOperator with DAG( dag_id="mydag", start_date=datetime(2022, 1, 18), schedule_interval="@once" ) as dag: def task_b(): raise AirflowSkipException A = DummyOperator(task_id="A") B = PythonOpera..

if [[ " ${array[*]} " =~ " ${value} " ]]; then # whatever you want to do when array contains value fi if [[ ! " ${array[*]} " =~ " ${value} " ]]; then # whatever you want to do when array doesn't contain value fi https://stackoverflow.com/questions/3685970/check-if-a-bash-array-contains-a-value Check if a Bash array contains a value In Bash, what is the simplest way to test if an array contains ..

https://blog.voidmainvoid.net/169 Spring boot에서 kafka 사용시 application.yaml 설정 # APACHE KAFKA (KafkaProperties) spring.kafka.admin.client-id= # ID to pass to the server when making requests. Used for server-side logging. spring.kafka.admin.fail-fast=false # Whether to fail fa.. blog.voidmainvoid.net # APACHE KAFKA (KafkaProperties) spring.kafka.admin.client-id= # ID to pass to the server when mak..

https://github.com/danielwegener/logback-kafka-appender GitHub - danielwegener/logback-kafka-appender: Logback appender for Apache Kafka Logback appender for Apache Kafka. Contribute to danielwegener/logback-kafka-appender development by creating an account on GitHub. github.com

// gradle.properties springBootVersion=2.6.7 // settings.gradle.kts pluginManagement { val springBootVersion: String by settings plugins { id("org.springframework.boot") version springBootVersion } } // build.gradle.kts plugins { id("org.springframework.boot") } https://stackoverflow.com/questions/37555196/in-gradle-how-to-use-a-variable-for-a-plugin-version/72336787#72336787 In gradle, how to u..

### gradle.properties springBootVersion=2.6.7 build.gradle.kts val springBootVersion: String by project implementation("org.springframework.boot:spring-boot-starter-tomcat:$springBootVersion") https://stackoverflow.com/questions/30374316/spring-boot-java-lang-noclassdeffounderror-javax-servlet-filter

Array.isArray([]) // true Array.isArray({}) // false https://hianna.tistory.com/402 [Javascript] 배열인지 확인하기 - isArray() 배열인지 확인하기 Javascript에서 객체가 배열인지 확인하기 위해서는 isArray() 함수를 사용합니다. 일반적으로 Javascript에서 데이터의 타입을 확인하기 위해서는 typeof 를 사용합니다. [Javascript] 데 hianna.tistory.com

arr=(one two three) for i in ${arr[@]} do echo $i; done https://stackoverflow.com/questions/15691942/print-array-elements-on-separate-lines-in-bash Print array elements on separate lines in Bash? How do I print the array element of a Bash array on separate lines? This one works, but surely there is a better way: $ my_array=(one two three) $ for i in ${my_array[@]}; do echo $i; done one two... st..

spring.cloud.config.enable=false https://stackoverflow.com/questions/58924655/how-to-disable-spring-cloud-config-server-for-dev-properties How to disable spring-cloud config server for dev properties I integrate spring cloud in my spring app. It works fine. But I have 3 properties files : application.properties server.port 9101 spring.profiles.active=@env@ logging.level.org.springframework.data=..

https://stackoverflow.com/questions/34089496/empty-field-in-yaml Empty field in yaml I want to leave a value in my .yaml field empty, because in another translation there has to be something but not in this one. Just leaving it empty prints out the path of the value (...title.3). ... stackoverflow.com

https://joswlv.notion.site/schedule_interval-execution_date-5f805332a253431baa36aef22480ca9a 'schedule_interval'의 변신, 그리고 'execution_date'의 종말 모든 문제의 근원 execution_date joswlv.notion.site - `execution_date`: time window (daily) 기반으로, 설정된 시간 다음날 job 이 수행됨

assignee is empty https://stackoverflow.com/questions/28989621/how-to-create-jira-quick-filter-where-assignee-is-unassigned how to create JIRA quick filter where assignee is Unassigned I defined a unassigned user in my JIRA account and now I can assign to unassigned user. when I want to get all those tickets using quick filter - I can't. any solution / workaround will be most wel... stackoverflo..

### first type is null { "name":"my_optional_date", "type":[ "null", {"type" : "long", "logicalType": "timestamp-millis"}], "default": null } https://stackoverflow.com/questions/45581437/how-to-specify-converter-for-default-value-in-avro-union-logical-type-fields How to specify converter for default value in Avro Union logical type fields? I have the following Avro schema: { "namespace":"com.exa..

https://stackoverflow.com/questions/26077543/how-to-name-dockerfiles How to name Dockerfiles I'm unsure of how to name Dockerfiles. Many on GitHub use Dockerfile without a file extension. Do I give them a name and extension; if so what? Or do I just call them Dockerfile? stackoverflow.com

>>> # Serialize string keys >>> producer = KafkaProducer(key_serializer=str.encode) >>> producer.send('flipflap', key='ping', value=b'1234') >>> # Serialize json messages >>> import json >>> producer = KafkaProducer(value_serializer=lambda v: json.dumps(v).encode('utf-8')) >>> producer.send('fizzbuzz', {'foo': 'bar'}) https://kafka-python.readthedocs.io/en/master/index.html?highlight=key_seriali..

https://api.slack.com/methods/chat.postMessage https://slack.com/api/chat.postMessage Content-Type: application/json Authorization: 'Bearer ' + token { "text": "hello", "as_user": true, "channel": "U##########" } https://api.slack.com/methods/chat.postMessage https://stackoverflow.com/questions/47753834/how-to-send-direct-messages-to-a-user-as-app-in-app-channel https://stackoverflow.com/questio..

https://api.slack.com/methods/users.lookupByEmail users.lookupByEmail API method Find a user with an email address. api.slack.com POST https://slack.com/api/users.lookupByEmail?email=seunggabi@gmail.com form-data token=xoxb-############-#############-$$$$$$$$$$$$$$$$$$$$$$$$ https://stackoverflow.com/questions/29392407/how-to-get-a-slack-user-by-email-using-users-info-api/72155994#72155994 How t..

brew install gradle gradle init --type pom implementation(project(":data-core")) https://kimpaper.github.io/2016/07/14/gradle/ maven에서 gradle로 변환... gradle설치 (for macOS) 1 brew install gradle 원래 수동으로 설치하는 방법이 있으나.. 나는 위와 같이 자동 설치를 좋아한다 대부분 그렇지 않을까~ 수동 설치는 사이트에서 참고하자 https://gradle.org/gradle- kimpaper.github.io https://www.geeksforgeeks.org/difference-between-gradle-and-maven/ Difference between..

https://wickso.me/docker/arg-vs-env/ ARG 와 ENV 의 차이점 FROM 이전에 있는 ARG 는 FROM 에서만 사용 가능하다. 즉, 내부에서 사용하기 위해서 한번 더 선언해야 한다. ARG centos_version FROM centos${centos_version} AS builder ARG centos_version # 안에서 사용하려면 또 ARG를 wickso.me