배우기를 멈추는 사람은 20세건 80세건 늙은 것이다.

if (v is List) { https://stackoverflow.com/questions/44098780/how-to-check-instanceof-class-in-kotlin How to check "instanceof " class in kotlin? In kotlin class, I have method parameter as object (See kotlin doc here ) for class type T. As object I am passing different classes when I am calling method. In Java we can able to compare class u... stackoverflow.com

fun ip(): String { val socket = Socket() socket.connect(InetSocketAddress("google.com", 80)) val ip = socket.localAddress.hostAddress socket.close() return ip } https://stackoverflow.com/questions/9481865/getting-the-ip-address-of-the-current-machine-using-java Getting the IP address of the current machine using Java I am trying to develop a system where there are different nodes that are run on..

https://falaner.tistory.com/79 [플러터 오류] Exception in thread "main" java.lang.NoClassDefFoundError: javax/xml/bind/annotation/XmlSchema 해결하기 - flutter doctor 터미널에 flutter doctor 를 입력하면 다음과 같이 현재 설치 환경에 대한 정보를 확인할 수 있다. 위 사진을 보면 한가지 부분에 [!] 가 되어 있는 것을 볼 수 있고 위 부분에 대한 것은 ' falaner.tistory.com

https://jvvp.tistory.com/1186 플러터(Flutter) 유튜브 재생하기 패키지 flutter_youtube 패키지를 추가합니다. pubspec.yaml dependencies: flutter: sdk: flutter cupertino_icons: ^0.1.3 flutter_youtube: "^2.0.0+1" 예제 참고 링크의 example 코드를 가져왔습니다. 기본적으로 Youtube API Key 를 jvvp.tistory.com https://pub.dev/documentation/flutter_youtube/latest/ flutter_youtube - Dart API docs flutter_youtube This plugin will no longer get updates m..

cd ~/Library/Application Support/JetBrains/Toolbox/apps/AndroidStudio/ch-0/221.6008.13.2211.9514443/Android Studio.app/Contents sudo ln -s jbr jre https://velog.io/@wey/Flutter-Unable-to-find-bundled-Java-version Flutter Unable to find bundled Java version Flutter Doctor Java 위치 문제 해결 velog.io

https://stackoverflow.com/questions/67354788/how-to-get-flutter-sdk-path-after-installing-using-homebrew How to get Flutter SDK path after installing using Homebrew Installed flutter using homebrew: https://formulae.brew.sh/cask/flutter#default I can't find the SDK Path, tried copy and pasting this: 1./opt/homebrew/Caskroom/flutter/2.0.5/flutter/bin/internal/s... stackoverflow.com

try: ... except Exception as e: print(e.message) https://stackoverflow.com/questions/4690600/python-exception-message-capturing python exception message capturing import ftplib import urllib2 import os import logging logger = logging.getLogger('ftpuploader') hdlr = logging.FileHandler('ftplog.log') formatter = logging.Formatter('%(asctime)s %(levelname)s %(m... stackoverflow.com

from random import * i = randint(1, 100) # 1부터 100 사이의 임의의 정수 print(i) f = random() # 0부터 1 사이의 임의의 float print(f) f = uniform(1.0, 36.5) # 1부터 36.5 사이의 임의의 float print(f) i = randrange(1, 101, 2) # 1부터 100 사이의 임의의 짝수 print(i) i = randrange(10) # 0부터 9 사이의 임의의 정수 print(i) http://pythonstudy.xyz/python/article/509-%EB%82%9C%EC%88%98-random 예제로 배우는 파이썬 프로그래밍 - 난수 (random) 난수 (random) 파이썬에서 난수(rand..

https://stackoverflow.com/questions/53531830/the-methods-raisedbutton-isnt-defined The methods 'RaisedButton' isn't defined I created a new project and wrote some code in visual studio code. Here is my source code : import 'package:flutter/material.dart'; class Raisedbutton extends StatelessWidget { Widget stackoverflow.com

CREATE DATABASE airflow; CREATE USER 'admin'@'%' IDENTIFIED BY 'admin'; GRANT ALL PRIVILEGES ON airflow.* TO admin@'%'; https://bcdragonfly.tistory.com/27 [Django] _mysql' is not defined 호환에러 해결하기 [파이썬 장고] _mysql' is not defined 호환에러 해결하기 [Django] _mysql' is not defined 호환에러 해결하기 [Python Django] _mysql' is not defined 호환에러 해결하기 ＃ERROR version_info, _mysql.version_info, _mysql.__file__ NameE bcdr..

airflow users create \ --username airflow \ --firstname airflow \ --lastname airflow \ --role Admin \ --email seunggabi@naver.com https://dydwnsekd.tistory.com/33 Airflow 2.0 설치하기(2) 지난 글에서 Airflow를 설치하는 것까지 완료했다 오늘은 Airflow db 생성, user생성, webserver실행까지 진행해보도록 하자 2021.01.27 - [BigData/Airflow] - Airflow 2.0 설치하기(1) airflow를 실행하기 위해서 먼저 d dydwnsekd.tistory.com ```

brew install ruby echo 'export PATH="/opt/homebrew/opt/ruby/bin:$PATH"' >> ~/.zshrc\n export LDFLAGS="-L/opt/homebrew/opt/ruby/lib" export CPPFLAGS="-I/opt/homebrew/opt/ruby/include"\n brew cleanup ruby sudo gem install cocoapods https://jetalog.net/85 macOS에서 Ruby 버전 관리하기 macOS는 기본적으로 Ruby가 설치되어 있습니다. 하지만 여러 이유로 다양한 버전의 Ruby를 설치해놓고 그 때 그 때 버전을 변경하며 사용하거나, 가상환경을 설정해야 할 수 있습니다. macOS에서 rbenv jeta..

https://intellij-support.jetbrains.com/hc/en-us/community/posts/207070755-whats-the-keyboard-shortcut-for-Go-to-Line-

https://jaemunbro.medium.com/spark-executor-%EA%B0%9C%EC%88%98-%EC%A0%95%ED%95%98%EA%B8%B0-b9f0e0cc1fd8 [Apache Spark] Executor 사이즈와 개수 정하기 Holden Karau-High Performance Spark(Jpub) 정리 jaemunbro.medium.com https://data-flair.training/blogs/apache-spark-performance-tuning https://m.blog.naver.com/PostView.naver?isHttpsRedirect=true&blogId=8x8x8x8x8x8&logNo=220751971662 Spark 성능에 관한 고려사항 참고 : 러닝 스..

i match { case 1 => println("January") case 2 => println("February") case 3 => println("March") case 4 => println("April") case 5 => println("May") case 6 => println("June") case 7 => println("July") case 8 => println("August") case 9 => println("September") case 10 => println("October") case 11 => println("November") case 12 => println("December") // catch the default with a variable so you can..

https://dwgeek.com/hive-insert-into-partition-table-and-examples.html/ Hive Insert into Partition Table and Examples - DWgeek.com Hive Insert into Partition Table, Syntax, Examples, Named insert data into Hive Table, Hive Table partition, insert records dwgeek.com

https://learn.microsoft.com/ko-kr/azure/databricks/kb/clusters/spark-shows-less-memory Apache Spark UI가 총 노드 메모리보다 작음 표시 - Azure Databricks Spark UI가 노드에서 실제로 사용할 수 있는 것보다 적은 메모리를 표시하는 경우 수행할 작업을 알아봅니다. learn.microsoft.com https://sparkbyexamples.com/spark/spark-submit-command/ Spark Submit Command Explained with Examples - Spark By {Examples} The spark-submit command is a utility to run or subm..

https://docs.aws.amazon.com/ko_kr/glue/latest/dg/glue-specifying-resource-arns.html AWS Glue 리소스 ARN 지정 - AWS Glue Data Catalog 리소스에 대해 수행된 모든 작업에는 리소스와 해당 리소스의 모든 상위 항목에 대한 권한이 필요합니다. 예를 들어, 테이블에 대한 파티션을 생성하려면 해당 테이블, 데이터베이스 docs.aws.amazon.com https://docs.aws.amazon.com/glue/latest/dg/glue-specifying-resource-arns.html Specifying AWS Glue resource ARNs - AWS Glue All operations performed on a..

https://cbea.ms/git-commit/ How to Write a Git Commit Message Commit messages matter. Here's how to write them well. cbea.ms https://gist.github.com/joshbuchea/6f47e86d2510bce28f8e7f42ae84c716 Semantic Commit Messages Semantic Commit Messages. GitHub Gist: instantly share code, notes, and snippets. gist.github.com https://gist.github.com/seunggabi/87f8c722d35cd07deb3f649d45a31082 semantic-branch..

https://hamait.tistory.com/859 파이썬에서의 믹스인 (Mixin) Python 과 Mixin 파이썬은 다중 상속을 지원하며 그것에 의해 Mixins 를 만들 수 있다. Mixin 은 클래스에 추가적인 속성이나 메소드를 제공하는 것을 말하는데, 스칼라는 traits 를 통해서 제공하며, 루 hamait.tistory.com

https://leetcode.com/problems/best-time-to-buy-and-sell-stock-with-cooldown/description/ Best Time to Buy and Sell Stock with Cooldown - LeetCode Best Time to Buy and Sell Stock with Cooldown - You are given an array prices where prices[i] is the price of a given stock on the ith day. Find the maximum profit you can achieve. You may complete as many transactions as you like (i.e., buy one and se..

# 설치 후 재부팅 필수 https://airflow.apache.org/docs/apache-airflow-providers/packages-ref.html#providers-packages-reference Providers packages reference — apache-airflow-providers Documentation airflow.apache.org pip3 install apache-airflow-providers-airbyte pip3 install apache-airflow-providers-alibaba pip3 install apache-airflow-providers-amazon pip3 install apache-airflow-providers-apache-beam[goog..

https://wiki.kicco.com/space/ATLC/334856452 https://wiki.kicco.com/space/ATLC/334856452 wiki.kicco.com

CREATE TABLE fruits( id SERIAL PRIMARY KEY, name VARCHAR NOT NULL ); https://semtax.tistory.com/15 PostgreSQL에서 AUTO INCREMENT 사용하기 개요 이번 문서에서는 mysql에 있는 AUTO INCREMENT와 유사한 기능을 PostgreSQL에서는 어떻게 사용하는지 알아 보도록 하겠다. PostgreSQL Serial Type PostgreSQL에서는 auto increment가 지원이 되는 Sequence 라는 타 semtax.tistory.com

https://stackoverflow.com/questions/66467585/airflow-ssh-connection-connection-type-not-displaying airflow ssh connection , connection type not displaying I am trying to add connection to the airflow server. I wanted to have ssh added. only the below listed 5 is being displayed. Can you point me how to add the ssh connection ? stackoverflow.com

https://www.postgresqltutorial.com/postgresql-administration/postgresql-show-databases/ PostgreSQL Show Databases In this tutorial, you will learn how to show databases in a PostgreSQL database server. In MySQL, you can show all databases in the database server using SHOW DATABASES statement. PostgreSQL does not directly support the SHOW DATABASES statement but offers www.postgresqltutorial.com

https://stackoverflow.com/questions/769683/postgresql-show-tables-in-postgresql PostgreSQL: Show tables in PostgreSQL What's the equivalent to show tables (from MySQL) in PostgreSQL? stackoverflow.com

https://stackoverflow.com/questions/10335561/use-database-name-command-in-postgresql "use database_name" command in PostgreSQL I am beginner to PostgreSQL. I want to connect to another database from the query editor of Postgres - like the USE command of MySQL or MS SQL Server. I found \c databasename by searching the In... stackoverflow.com

https://docs.aws.amazon.com/ko_kr/toolkit-for-visual-studio/latest/user-guide/tkv-create-ami-from-instance.html Amazon EC2 인스턴스에서 AMI 생성 - AWS Toolkit for Visual Studio 재부팅 안 함을 선택하는 경우 생성된 이미지의 파일 시스템 무결성을 보장할 수 없습니다. docs.aws.amazon.com https://support.bespinglobal.com/ko/support/solutions/articles/73000524755--aws-ec2-%EC%9D%B8%EC%8A%A4%ED%84%B4%EC%8A%A4-%EC%A4%91%EC%A7%80-%EC%97%86%EC%9D%B4-..