배우기를 멈추는 사람은 20세건 80세건 늙은 것이다.

from pyspark.sql import SparkSession, Row spark = SparkSession.builder.getOrCreate() data = [Row(id=u'1', probability=0.0, thresh=10, prob_opt=0.45), Row(id=u'2', probability=0.4444444444444444, thresh=60, prob_opt=0.45), Row(id=u'3', probability=0.0, thresh=10, prob_opt=0.45), Row(id=u'80000000808', probability=0.0, thresh=100, prob_opt=0.45)] df = spark.createDataFrame(data) df.show() # +-----..

>>> line = '1234567890' >>> n = 2 >>> [line[i:i+n] for i in range(0, len(line), n)] ['12', '34', '56', '78', '90'] https://stackoverflow.com/questions/9475241/split-string-every-nth-character Split string every nth character? Is it possible to split a string every nth character? For example, suppose I have a string containing the following: '1234567890' How can I get it to look like this: ['12',..

nslookup server Server:8.8.8.8 Address:8.8.8.8#53 ** server can't find server: NXDOMAIN https://zetawiki.com/wiki/%EB%A6%AC%EB%88%85%EC%8A%A4_DNS_%ED%99%95%EC%9D%B8 리눅스 DNS 확인 - 제타위키 zetawiki.com

from pyspark.sql.functions import lit df = sqlContext.createDataFrame( [(1, "a", 23.0), (3, "B", -23.0)], ("x1", "x2", "x3")) df_with_x4 = df.withColumn("x4", lit(0)) df_with_x4.show() ## +---+---+-----+---+ ## | x1| x2| x3| x4| ## +---+---+-----+---+ ## | 1| a| 23.0| 0| ## | 3| B|-23.0| 0| ## +---+---+-----+---+ https://stackoverflow.com/questions/33681487/how-do-i-add-a-new-column-to-a-spark-d..

Row(name="Alice", age=11).asDict() == {'name': 'Alice', 'age': 11} https://spark.apache.org/docs/3.1.1/api/python/reference/api/pyspark.sql.Row.asDict.html pyspark.sql.Row.asDict — PySpark 3.1.1 documentation Return as a dict Parameters recursivebool, optionalturns the nested Rows to dict (default: False). Notes If a row contains duplicate field names, e.g., the rows of a join between two DataFr..

df = df.withColumnRenamed("colName", "newColName")\ .withColumnRenamed("colName2", "newColName2") https://stackoverflow.com/questions/34077353/how-to-change-dataframe-column-names-in-pyspark How to change dataframe column names in pyspark? I come from pandas background and am used to reading data from CSV files into a dataframe and then simply changing the column names to something useful using ..

Row(**row_dict) https://stackoverflow.com/questions/38253385/building-a-row-from-a-dict-in-pyspark Building a row from a dict in pySpark I'm trying to dynamically build a row in pySpark 1.6.1, then build it into a dataframe. The general idea is to extend the results of describe to include, for example, skew and kurtosis. Here's wh... stackoverflow.com

https://zi-c.tistory.com/entry/JAVA-Lombok-%EC%96%B4%EB%85%B8%ED%85%8C%EC%9D%B4%EC%85%98-Data [JAVA] Lombok 어노테이션 @Data Lombok이란? Lombok 프로젝트는 자바 라이브러리로 코드 에디터나 빌드 툴(IntelliJ, Eclipse, XCode 등)에 추가하여 코드를 효율적으로 작성할 수 있도록 도와준다. class명 위에 어노테이션을 명시해줌으 zi-c.tistory.com @Getter @Setter @ToString @RequiredArgsConstructor @EqualsAndHashCode

sudo scutil --set HostName [NewHostName] https://goax.tistory.com/6 Terminal Hostname 변경 아래 명령을 사용하여 hostname을 변경할 수 있습니다. sudo scutil --set HostName [NewHostName] goax.tistory.com

def is_prime(n): if n == 2 or n == 3: return True if n 3 are of the form 6n ± 1 # start with f=5 (which is prime) # and test f, f+2 for being prime # then loop by 6. f = 5 while f

public static String escape(String s) { return s .replaceAll("\n", "") .replaceAll("\r", ""); } https://stackoverflow.com/questions/5658134/java-new-line-replacement/68901397#68901397

final RestTemplate restTemplate = new RestTemplate(); SimpleClientHttpRequestFactory requestFactory = new SimpleClientHttpRequestFactory(); requestFactory.setBufferRequestBody(false); restTemplate.setRequestFactory(requestFactory); https://stackoverflow.com/questions/15781885/how-to-forward-large-files-with-resttemplate How to forward large files with RestTemplate? I have a web service call thro..

What have you done to improve yourself during the last year? Talk about professional development, training programs, educational curricula, study in your field, on-the-job training, skill-building, relevant books you’ve read, etc.

import tensorflow._api.v2.compat.v1 as tf tf.disable_v2_behavior() https://stackoverflow.com/questions/55142951/tensorflow-2-0-attributeerror-module-tensorflow-has-no-attribute-session Tensorflow 2.0 - AttributeError: module 'tensorflow' has no attribute 'Session' When I am executing the command sess = tf.Session() in Tensorflow 2.0 environment, I am getting an error message as below: Traceback ..

https://stackoverflow.com/questions/2529974/why-do-java-programmers-like-to-name-a-variable-clazz/2530174 Why do Java programmers like to name a variable "clazz"? I've seen lots of code with declarations like Class clazz. Where does this originate from? Is this some kind of convention? I think ‘clazz’ is not even an English word, has no meaning at all, how c... stackoverflow.com

pip3 install cryptography https://yomi-tory.tistory.com/entry/Python-Error-%EC%A0%95%EB%A6%AC-RuntimeError-cryptography-package-is-required-for-sha256password-or-cachingsha2password-auth-methods [Python Error 정리] RuntimeError: 'cryptography' package is required for sha256_password or caching_sha2_password auth methods Python Error 정리 RuntimeError: 'cryptography' package is required for sha256_pa..

TRUNCATE TABLE {table} https://pafy.tistory.com/31 월급루팡's Blog 코딩을 좋아하지만 게임을 더 좋아하는 컴맹이고 싶지만 컴맹이 아닌 슬픈 휴먼 pafy.tistory.com

https://sugar-prince-121.notion.site/b7d400b21fe045a5a9ff6742eacbfde3

>>> a = [1,2,3,4,5] >>> b = [1,3,5,6] >>> list(set(a) & set(b)) [1, 3, 5] https://stackoverflow.com/questions/3697432/how-to-find-list-intersection How to find list intersection? a = [1,2,3,4,5] b = [1,3,5,6] c = a and b print c actual output: [1,3,5,6] expected output: [1,3,5] How can we achieve a boolean AND operation (list intersection) on two lists? stackoverflow.com

https://github.com/psf/black GitHub - psf/black: The uncompromising Python code formatter The uncompromising Python code formatter. Contribute to psf/black development by creating an account on GitHub. github.com "

https://blockdmask.tistory.com/424 [python] 파이썬 format 함수 (문자열 포매팅 방법 1) 안녕하세요. BlockDMask 입니다. 파이썬에서 문자열 포매팅 방법은 %와 서식기호를 이용한 방법, format 함수를 이용한 방법, f-string을 이용한 방법 이렇게 세가지가 있다고 볼 수 있습니다. 오늘은 blockdmask.tistory.com

https://unix.stackexchange.com/questions/207294/create-symlink-overwrite-if-one-exists/207296 Create symlink - overwrite if one exists I want to take down data in /path/to/data/folder/month/date/hour/minute/file and symlink it to /path/to/recent/file and do this automatically every time a file is created. Assuming I will not know... unix.stackexchange.com

def send(to, cc, bcc, subject, text, html): message = MIMEMultipart("alternative") message["Subject"] = subject message["From"] = MAIL_FROM message["To"] = to message["Cc"] = cc + "," + MAIL_DL if html is not None: body = MIMEText(html, "html") else: body = MIMEText(text) message.attach(body) server = smtplib.SMTP(MAIL_SERVER) server.set_debuglevel(1) server.sendmail(MAIL_DL, to.split(",") + bcc..

https://chlengk.tistory.com/18 MSSQL UNION, UNION ALL 차이 및 사용하기 MSSQL UNION, UNION ALL 차이 및 사용하기 UNION은 두개 이상의 쿼리 결과를 하나의 테이블로 합치는데 사용합니다. SELECT 이름, 학번 FROM 테이블 UNION SELECT 이름, 학번 FROM 테이블2 이와 같은 방법으.. chlengk.tistory.com

public static T convertInstanceOfObject(Object o, Class clazz) { try { return clazz.cast(o); } catch(ClassCastException e) { return null; } } https://stackoverflow.com/questions/14524751/cast-object-to-generic-type-for-returning Cast Object to Generic Type for returning Is there a way to cast an object to return value of a method? I tried this way but it gave a compile time exception in "instanc..

kdestroy https://amalgjose.com/2018/07/20/how-to-clear-delete-the-cached-kerberos-ticket/ How to clear/delete the cached Kerberos ticket ? In Linux kdestroy In Windows klist purge amalgjose.com

>>> import itertools >>> x = itertools.count(0) >>> type(x).__name__ 'count' https://stackoverflow.com/questions/510972/getting-the-class-name-of-an-instance?rq=1 Getting the class name of an instance? How do I find out a name of class that created an instance of an object in Python if the function I am doing this from is the base class of which the class of the instance has been derived? Was th..

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문제해결 능력 진정성 자원을 어떻게 쓰는가?