if [ -e $dir_name ]; then echo "$dir_name 파일을 찾았습니다." fi if [ ! -e $dir_name ]; then echo "$dir_name 파일을 못 찾았습니다." fi if [ -d $dir_name ]; then echo "$dir_name 디렉토리를 찾았습니다." fi if [ ! -d $dir_name ]; then echo "$dir_name 디렉토리를 못 찾았습니다." fi http://bahndal.egloos.com/517067 [bash: if, test] 파일 또는 디렉토리 존재 유무 확인 특정 파일 또는 디렉토리가 존재하는지 확인하는 방법이다. 스크립트의 인자(argument)로 파일이나 디렉토리를 입력받았을 경우 인자의 유효성을 확인할 때 요..
System.setProperty("hadoop.home.dir", "/"); https://stackoverflow.com/questions/19840056/failed-to-detect-a-valid-hadoop-home-directory Failed to detect a valid hadoop home directory I have set up Hadoop 2.2.0 single node and started it up. I am able to browse the FS on http://localhost:50070/ Then I tried to write a dummy file using the following code. public class Test { pub... stackoverflow.com
chr(ord('b') + 1) https://stackoverflow.com/questions/12797067/how-can-i-do-a-1-b-in-python How can I do 'a' + 1 #=> 'b' in python? I'm working on a project need this functionality very frequently 'b' + 1 #=> 'a' and 'b' - 1 #=> 'a' Now my solution is very tedious : str(unichr((ord('b')+ 1))) is there a more elegant ... stackoverflow.com
d = {} d['mynewkey'] = 'mynewvalue' https://stackoverflow.com/questions/1024847/how-can-i-add-new-keys-to-a-dictionary How can I add new keys to a dictionary? Is it possible to add a key to a Python dictionary after it has been created? It doesn't seem to have an .add() method. stackoverflow.com
import hashlib vale = "asdf" key = hashlib.md5(value.encode('utf-8')).hexdigest() https://leetcode.com/problems/encode-and-decode-tinyurl/ Encode and Decode TinyURL - LeetCode Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview. leetcode.com https://cnpnote.tistory.com/entry/PYTHON-TypeError-%EC%88%98%EC%A0%..
chmod 755 /root chmod 755 /root/deploy chmod 755 /root/deploy/bot sudo pkill -f python3 sudo rm -rf /root/deploy sudo mkdir -p -m777 /root/deploy sudo mv * /root/deploy cd /root/deploy/bot sleep 3s sudo nohup python3 app.py > /dev/null 2>&1 & https://stackoverflow.com/questions/37930295/executing-pkill-in-a-shell-via-jenkins-fails-the-build Executing "pkill" in a shell via Jenkins - fails the bu..
# -*- coding: utf-8 -*- from __future__ import unicode_literals import werkzeug from flask import request from flask_restplus import Namespace, Resource, reqparse from modules.line import * from utils.common_utils import CommonUtils api = Namespace('line', description='line') parser = reqparse.RequestParser() parser.add_argument('message', type=str, help="message", default='test', required=True)..
https://stackoverflow.com/questions/33394884/spark-scala-list-folders-in-directory/41561019 Spark Scala list folders in directory I want to list all folders within a hdfs directory using Scala/Spark. In Hadoop I can do this by using the command: hadoop fs -ls hdfs://sandbox.hortonworks.com/demo/ I tried it with: val conf = ... stackoverflow.com
http://cloudsqale.com/2019/12/30/spark-slow-load-into-partitioned-hive-table-on-s3-direct-writes-output-committer-algorithms/ Spark – Slow Load Into Partitioned Hive Table on S3 – Direct Writes, Output Committer Algorithms – Large-Scale Data Engine I have a Spark job that transforms incoming data from compressed text files into Parquet format and loads them into a daily partition of a Hive table..
ln -s /Library/Java/Home/bin/javac javac https://github.com/processing/processing-android/issues/46 Unable to locate javac · Issue #46 · processing/processing-android Issue by smoothmango Monday Jan 27, 2014 at 19:55 GMT Originally opened as processing/processing-android-archive#60 I just downloaded Processing 2.1.1, and when I try to run my Android sketch, I ge... github.com