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Cui bono

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例

東京に住むならば日本に住むは任意の人が東京に住むならば日本に住むことを示す。

真偽表は

P	Q	P ⇒ Q	住所の例
T	T	T	東京に住んでいる => 日本に住んでいる
T	F	F	東京に住んでいる => 日本に住んでいない

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[mike@mike-pc ~][4:49:18][O][I][%][λ]> openssl s_client -connect imap.mail.yahoo.co.jp:993 -crlf -quiet
depth=2 C = JP, O = "SECOM Trust Systems CO.,LTD.", OU = Security Communication RootCA2
verify return:1
depth=1 C = JP, O = "Cybertrust Japan Co., Ltd.", CN = Cybertrust Japan SureServer CA G4
verify return:1
depth=0 C = JP, ST = Tokyo, L = Chiyoda-ku, O = Yahoo Japan Corporation, CN = imap.mail.yahoo.co.jp
verify return:1
* OK [CAPABILITY IMAP4rev1 ID NAMESPACE UIDPLUS LITERAL+ CHILDREN XAPPLEPUSHSERVICE AUTH=PLAIN AUTH=LOGIN] IMAP4rev1 imapgate-2.1.133 imapgate5034.mail.kks.ynwl.yahoo.co.jp

* BAD [CLIENTBUG] Invalid command or arguments

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name	meaning
ndarray	N-dimensional array
ndjson	Newline Delimited JSON

REF

• https://numpy.org/doc/stable/reference/arrays.ndarray.html#:~:text=An%20ndarray%20is%20a%20(usually,the%20same%20type%20and%20size.&text=The%20type%20of%20items%20in,is%20associated%20with%20each%20ndarray.
• https://en.wikipedia.org/wiki/JSON_streaming#Line-delimited_JSON

3265

from django.db import connection

def logger(execute, sql, params, many, context):
    print(sql, params)
    return execute(sql, params, many, context)

class GizmoTest(TestCase):

    def test_with_sql_logging(self):
        with connection.execute_wrapper(logger):

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用語	リレーション	FW	目的
project	project: issue = N:N	カンバン	人の進捗
milestone	milestone: issue = 1:N	スクラム	モノの進捗

ref

https://stackoverflow.com/questions/39591795/what-is-the-difference-relationship-between-github-projects-and-milestones#:~:text=Milestones%20is%20a%20tool%20for,and%20steady%20flow%20of%20work.

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>>> form datetime import datetime, timezone, timedelta
>>> from django.db import connection
>>>
>>> q = 'SELECT * FROM users WHERE created < %(now)s'
>>>
>>> params = {"now":datetime.now(timezone.utc)}
>>> cursor.execute(q, params)
>>> cursor.query
b"SELECT * FROM users WHERE created < '2020-10-30T11:35:51.895240+00:00'::timestamptz"

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def add_arg(*flags, args=None, **kwargs):
    import argparse
    p = argparse.ArgumentParser()
    p.add_argument(*flags, **kwargs)
    ns, _ = p.parse_known_args(args)
    return next(getattr(ns, d) for d in dir(ns) if not d.startswith('_'))


if __name__ == "__main__":
    """

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library(XML);
library(rpart);
library(pmml);

data(iris)
iris_model = rpart(Species ~ ., data = iris)
print(iris_model)
iris_pmml <- pmml(iris_model, model_name = "iris_model")
XML::saveXML(iris_pmml, "iris_pmml.xml")

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NDC (Nippon Decimal Classification)	DDC (Dewey Decimal Classification)	UDC (Universal Decimal Classification)
0　　総記	0　　総記	0　　総記
1　　哲学・宗教	1　　哲学	1　　哲学
2　　歴史・地理	2　　宗教	2　　宗教．神学
3　　社会科学	3　　社会科学	3　　社会科学
4　　自然科学	4　　語学	4　　(空位)
5　　技術	5　　純粋科学	5　　数学．自然科学
6　　産業	6　　技術	6　　応用科学．医学．等