배우기를 멈추는 사람은 20세건 80세건 늙은 것이다.

def add(c, x): return chr(ord(c)+x) https://stackoverflow.com/questions/9739992/python-how-to-generate-char-by-adding-int python: how to generate char by adding int I can use 'a'+1 to get 'b' in C language, so what the convient way to do this in Python? I can write it like: chr(ord('a')+1) but I don't know whether it is the best way. stackoverflow.com

https://www.slideshare.net/awskorea/t1s1pdf Amazon DynamoDB 키 디자인 패턴 DYNAMODB 키 디자인 패턴 © 2022, Amazon Web Services, Inc. or its affiliates. © 2022, Amazon Web Services, Inc. or its affiliates. DynamoDB 키 디자인 패턴 이혁 DynamoDB Speci... www.slideshare.net

https://github.com/apache/superset/issues/13097 Dashboard generated via report scheduling is truncated · Issue #13097 · apache/superset A clear and concise description of what the bug is. Bug is related to scheduling email part. There is a huge dashboard with 25 visuals that requires scrolling the dashboard. When an email is sent f... github.com

a = [1,2,3] b = list(a) c = a.copy() https://black-hair.tistory.com/49 [기능] 파이썬 리스트 복사 (python copy) Copy 파이썬에서 일반적으로 복사할 때 아래와 같은 형식으로 진행된다. list_A = ["ABC","DEF"] list_B = list_A 하지만 이렇게 복사를 하는 경우 단순한 값에 대해서는 문제가 없지만, 리스트를 복사할 때 black-hair.tistory.com

https://pybasall.tistory.com/171 파이썬 산술연산자 7가지 ( + , -, *, /, **, //, %) 파이썬 산술연산자 7가지 ( +, -, *, /, **, //, %) 파이썬 산술연산자는 아래와 같이 일곱가지가 있습니다 1. 덧셈 ( + ) 문자열도 덧셈가능. >>> 2+35 >>> "hi"+"hello"'hihello' 2. 뺄셈 ( - ) 문자열은 뺄셈 불가. pybasall.tistory.com

fun mutableMapWithCapacity(capacity: Int): MutableMap = LinkedHashMap(capacity) fun mutableListWithCapacity(capacity: Int): MutableList = ArrayList(capacity) https://stackoverflow.com/questions/61698098/kotlin-mutablelist-initial-capacity Kotlin MutableList initial capacity I'm creating a list of values, in a context where it so happens that, though the values are being added one at a time, the ..

def execute(): if condition: raise AirflowSkipException task = PythonOperator(task_id='task', python_callable=execute, dag=some_dag) https://stackoverflow.com/questions/58414350/how-to-skip-task-in-airflow-operator How to skip task in Airflow operator? Is there a way for Airflow to skip current task from the PythonOperator? For example: def execute(): if condition: skip_current_task() task = Pyt..

https://aws.amazon.com/ko/blogs/big-data/using-spark-sql-for-etl/ Using Spark SQL for ETL | Amazon Web Services Ben Snively is a Solutions Architect with AWS With big data, you deal with many different formats and large volumes of data. SQL-style queries have been around for nearly four decades. Many systems support SQL-style syntax on top of the data layers, and th aws.amazon.com

pip3 install git+https://github.com/jkbr/httpie.git#egg=httpie https://stackoverflow.com/questions/15268953/how-to-install-python-package-from-github How to install Python package from GitHub? I want to use a new feature of httpie. This feature is in the github repo https://github.com/jkbr/httpie but not in the release on the python package index https://pypi.python.org/pypi/httpie How... stacko..

https://www.daleseo.com/python-os-environ/ 파이썬에서 환경 변수 읽어오기 (os.environ) Engineering Blog by Dale Seo www.daleseo.com

from typing import Callable def my_function(func: Callable): https://stackoverflow.com/questions/37835179/how-can-i-specify-the-function-type-in-my-type-hints How can I specify the function type in my type hints? How can I specify the type hint of a variable as a function type? There is no typing.Function, and I could not find anything in the relevant PEP, PEP 483. stackoverflow.com https://docs..

from datetime import datetime time_now = datetime.now() print(time_now, "

https://stackoverflow.com/questions/4610904/calculate-next-scheduled-time-based-on-cron-spec >> croniter.match("0 0 * * *", datetime(2019, 1, 14, 0, 0, 0, 0)) True >>> croniter.match("0 0 * * *", datetime(2019, 1, 14, 0, 2, 0, 0)) False >>> >>> croniter.match("2 4 1 * wed", datetime(2019, 1, 1, 4, 2, 0, 0)) # 04:02 on every Wednesday OR on 1st day of month True >>> croniter.match("2 4 1 * wed", ..

https://stackoverflow.com/questions/28154066/how-to-convert-datetime-to-integer-in-python How to convert datetime to integer in python How can I convert YYYY-MM-DD hh:mm:ss format to integer in python? for example 2014-02-12 20:51:14 -> to integer. I only know how to convert hh:mm:ss but not yyyy-mm-dd hh:mm:ss def time_to_num( stackoverflow.com

import os import sys n = int(sys.argv[1]) a = 2 tables = [] for _ in range(n): tables.append(sys.argv[a]) a += 1 print(tables) https://stackoverflow.com/questions/32217160/can-i-add-arguments-to-python-code-when-i-submit-spark-job Can I add arguments to python code when I submit spark job? I'm trying to use spark-submit to execute my python code in spark cluster. Generally we run spark-submit wi..

repositories { maven { url "http://oss.sonatype.org/content/repositories/snapshots" allowInsecureProtocol = true } // other repositories ... } repositories { maven { url = uri("http://oss.sonatype.org/content/repositories/snapshots") isAllowInsecureProtocol = true } // other repositories ... } https://stackoverflow.com/questions/68585885/allow-insecure-protocols-android-gradle Allow insecure pro..

https://stackoverflow.com/questions/6780678/run-class-in-jar-file Run class in Jar file If you have a jar file called myJar.jar located in /myfolder and you want to use the class called myClass from it, how do you go about doing it from the command line? I thought it would be to go in... stackoverflow.com