[PostgreSQL] How to grant superuser authority when the user (role) with superuser authority is 0
I will leave it as a memo. # manner I write postgres10 as a prerequisite. Basically, you can do it by changing the path including the version described later. It also assumes that the default us
Paiza Python Primer 5: Basics of Dictionaries
Python3 is completely free on Paiza, so I summarized it. <a href="https://paiza.jp/works/python3/primer"> Introduction to Paiza Python3 ## 01: Learn what a dictionary is #### **`lesson.py`** ``
A story stuck with the installation of the machine learning library JAX
I heard that a machine learning library called JAX can be used from python, so I installed it It is a memo of the place where it got stuck at the time of installation I tried to install JAX using
Socket communication with Python LEGO Mindstorms
If you are developing robot programming etc. using [LEGO Mindstorms EV3](https://afrel.co.jp/product/ev3-introduction) (hereinafter EV3) in Python environment, naturally apply analysis such as machin
Codeforces Round # 594 (Div. 2) Bacha Review (10/29)
# This time's results  # Impressions of this t
[Nohup] Execution even if the terminal is turned off
Write code that allows the program to run even if you turn off the terminal. # How to use nohup nohup (execution code) & You can use nohup with. Below is an example of executing ./a.out. ``` C:>n
Topic extraction of Japanese text 2 Practical edition
[Aidemy](https://aidemy.net/) 2020/10/30 # Introduction Hello, it is Yope! I am a liberal arts student, but I was interested in the possibilities of AI, so I went to the AI-specialized school "Aidemy
I got lost in the maze
Good evening (* ´ω ｀) Thank you for your continued support. This time is a maze. Let's see how many moves you need from Start to Goal. The sample maze below is Thank you for borrowing the heri
IT Glossary [Links]
-[Variable length](https://wa3.i-3-i.info/word12068.html) -[Difference between return value and return value](https://oshiete.goo.ne.jp/qa/531721.html) - CPU - memory
Extract N samples for each group with Pandas DataFrame
I want to extract N pieces for each group, and one of the countermeasures. For example, when you want to extract the daily column and the top nth sales. ` sort_values` Sorting ` groupby` Groupi
Build a go environment using Docker
<head> This time, I built a go environment using Docker, which I have been studying recently. </ head> 1. Create a Dockerfile #### **`latest`** ```from golang RUN mkdir /go/src/charts_server && a
[Python] df Read and do the first memo (NaN confirmation etc.)
# Purpose of this article Taking the Titanic data as an example, make a note of what you do first to see the characteristics of the data. Usually, `pandas-profiling` may be better because it gives y
Authentication process with gRPC and Firebase Authentication
# Introduction I will show you how to process authentication on Go server using gRPC and Firebase Authentication. I will write about the authorization process in another article. Firebase Authentic
Train_test_split of features held by dict
# Thing you want to do The features held in the dictionary type as shown below ``` {'field1': array([0, 1, 2, 3, 4, 5]), 'field2': array([5, 4, 3, 2, 1, 0]), 'label': array([1, 0, 1, 0, 0, 0])} ```
converting argument $ 1 type: unsupported type [] string, a slice of string
# Overview This is the first post in my first year as an engineer. When I was operating the DB using sqlx, I was troubled by the following error, so I will record it. I would be grateful if you cou
Just print Python elapsed time in seconds
```python import time firstTime = time.time() while True: nowTime = time.time() - firstTime print(nowTime) ```
[Python] I want to get a common set between numpy
Use np.intersect1d ``` import numpy as np array_1 = np.array([1, 2, 3, 4, 5]) array_2 = np.array([1, 3, 5, 7, 9]) np.intersect1d(array_1, array_2) ```
[Python] I tried to implement stable sorting, so make a note
# problem See the site below * http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=ALDS1_2_C # My answer ```py import collections def chk_before_tranp_bigger(now, before): return int(befor
Let's execute the command on time with the bot of discord
## The point * Develop in python using [discord.py](https://discordpy.readthedocs.io/ja/latest/index.html). * Implement a background loop with [discord.ext.tasks](https://discordpy.readthedocs.io/j
Manage multiple types of users with CustomUser in django-allauth (multi type user)
# Overview ――I want a system that can create multiple user types with Django --Allows you to create two types of users, "Supply user" and "Buyer user" --Give different attributes to each user type
Introduction to EV3 / MicroPython
## Let's run EV3 with MicroPython In this article, we aim to run EV3 with MicroPython. It's very easy to do so let's do our best together! ・ [What is EV3](https://afrel.co.jp/product/ev3-introduct
An error occurs when trying to import scikit-learn after connecting to Oracle with SQLAlchemy
## phenomenon If you import `sklearn` after actually connecting the DB from the ʻEngine` instance of SQLAlchemy as shown below, ʻImport Error` will occur. #### **`demo.Case of py / ImportError`** `
Make a SonicWall SSL VPN connection with the Linux CLI
SonicWall's SSL VPN clients include MobileConnect and NetExtender. NetExtender is available on Linux and has a GUI and CLI. The GUI version has garbled Japanese and is unexpectedly heavy, so I wou
Negative / Positive Analysis 1 Application of Text Analysis
[Aidemy](https://aidemy.net/) 2020/10/30 # Introduction Hello, it is Yope! I am a liberal arts student, but I was interested in the possibilities of AI, so I went to the AI-specialized school "Aidemy
[Linux] How to read .bashrc of general user as root user on WSL2 Ubuntu20.04
## Development environment -Host OS: windows10 Home ・ Guest OS: wsl2 Ubnutu20.04 ## Problems / problems Changed the default user of wsl to root user to quickly solve problems around container pe
Negative / Positive Analysis 2 Twitter Negative / Positive Analysis (1)
[Aidemy](https://aidemy.net/) 2020/10/30 # Introduction Hello, it is Yope! I am a liberal arts student, but I was interested in the possibilities of AI, so I went to the AI-specialized school "Aidemy
neo4j sandbox part 15
# Overview I tried sandbox with neo4j. I hit neo4j sandbox with python and tried to input gist data. # Input node. ``` from neo4j import GraphDatabase, basic_auth driver = GraphDatabase.driver(
Learn from “Beyond the Twelve-Factor App” & “The Twelve-Factor App” and practice on AWS (3) Dependency Management / Dependencies-Explicitly declare and separate dependencies
# Commentary This factor is a dependency management factor that is both original and beyond. Most modern development languages have package management tools for resolving library references such as n
Change Spider's Config at runtime.
# Overview ### Premise In Scrapy's Spider, you can set crawling in the configuration file (settings.py) and custom settings (custom_setting). However, if you try to use only this setting, you will h
First OSMnx ~ With shortest path search ~
There weren't many articles in Japanese about OSMnx, and it was too difficult for me as a weak English person to collect information ... So I wrote that it should be useful for other weak English p