Django Tutorial (Blog App Creation) ⑥ --Article Details / Editing / Deleting Functions

Last time, in [Django Tutorial (Blog App Creation) ⑤ --Article Creation Function](https://qiita.com/tmasuyama/items/96a7252e7d3c6df99e28) Added the ability to create articles within the app. This

Machine Learning: Supervised --AdaBoost

# Target Understand the AdaBoost formula and try it with scikit-learn. It is assumed that you have already learned calculus. # theory AdaBoost is a type of ensemble learning called boosting that

Flow memo to move LOCUST for the time being

## What is LOCUST? Load test tool Easy to define in Python ## environment Python3.7 locust 1.3.1 ## Installation $ pip install locust * Note that locustio will get angry with an error. ## Crea

[Linux] When "| (pipe)" cannot be hit on CentOS7

# I hope I started studying Linux, but ... Inspired by Qiita's article (I lost sight of it), "You can use Linux as an engineer!", I started studying Linux![Linux standard textbook](https://linuc.org/

Build a game leaderboard on Alibaba cloud using Python and Redis

In this guide, you will use ** Python ** and ** Redis ** to build a game leaderboard on ** Alibaba Cloud **. * This blog is a translation from the English version. You can check the original from [

Environment construction of monitoring server Zabbix 4.4 on CentOS7 (Apache2.4 / PHP5.4 / MariaDB5.5)

## Introduction This article describes the steps to install Zabbix 4.4 on CentOS 7. ### What is Zabbix Zabbix is an open source (OSS) integrated monitoring software developed for centralized moni

[Linux] Accelerate compression processing using pigz

## Introduction Linux standard compression commands do not support multi-core. Note how to use pigz to speed up the compression process with multi-core. ### Environmental information * OS：Redhat 7

About the point that python 3.x got stuck due to an error due to caching_sha2_password

## environment + OS: macOS High Sierra version 10.13.6 + python :3.8.0 + MySQL :8.0.21 ## Status I tried connecting with MySQL using python3. But ```authentication plugin 'caching_sha2_password'

What kind of programming language is Python?

### Introduction I'm Jijii, now 44 years old and recently started skateboarding. In general, I'm a good old man and a good old man. ** If you are interested, try it yourself. Act! !! ** ** With t

About the matter that localhost: 4040 cannot be accessed after running Spark with Docker

Only Spark's `Spark Web UI` (localhost: 4040) couldn't connect for some reason, so I've been researching various things, but there is no solution, and if you're not used to it, people who have the sa

Print from Debian on Pomera DM200

A memo on how to print from Debian on the Pomera DM200 to a network via Wi-Fi with a printer in the network. It is assumed that Debian is running on Pomera DM200 by referring to the following artic

Understanding and implementing the Tonelli-Shanks algorithm (2)

# Introduction The previous article is [here](https://qiita.com/taiyaki8926/items/f62f534d43ff006129f7). # Implementation First, let's repeat the conditions assumed this time. * Input: * $ p $:

Golang interface type

## interface type --Types compatible with all types --Something like the Object class ――Since it is a general-purpose representation of all types of values, you cannot perform operations. ####

Django Foreign Key on_delete argument

## reference [Django Official](https://docs.djangoproject.com/en/3.1/ref/models/fields/#django.db.models.ForeignKey.on_delete) [stackoverflow](https://stackoverflow.com/questions/38388423/what-does

Create and decrypt Caesar cipher with python

```python # substitute PLAIN the letter PLAIN = "EBG KVVV vf n fvzcyr yrggre fhofgvghgvba pvcure gung ercynprf n yrggre jvgu gur yrggre KVVV yrggref nsgre vg va gur nycunorg. EBG KVVV vf na rknzcyr bs

Try singular value decomposition of the daimyo matrix

# Introduction Linear algebra has an operation called singular value decomposition. It is a process that decomposes a matrix into singular values and a matrix that creates them. This decomposition i

Pre-processing in machine learning 3 Missing values, outliers, and imbalanced data

[Aidemy](https://aidemy.net/)　2020/10/29 # 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 made a kind of simple image processing tool in Go language.

I am a beginner in Go language. My usual habitat is JS / TS + Java, but I am trying Go language from this year because I want to be better at processing server-side languages. The reason for the cha

Create a VM with a YAML file (KVM)

# Introduction Wouldn't it be easier if you could build a VM with a YAML file? So, I have created a command called kvm-compose (pseudonym), so I would like to introduce it. # environment --Centos 8

Time series analysis 4 Construction of SARIMA model

[Aidemy](https://aidemy.net/)　2020/10/29 # 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

[Go] Procedure for installing Go on WSL2

# Install Go on WSL2 I used Go installed on Windows so far, but I want to develop with WSL2 anyway, so I will install Go on WSL2 # Execution environment OS is ** Windows 10 Pro 64bit ** (version

How to install richzhang / colorization on Windows 10

What is this? This document shows you how to install [Colorful Image Colorization](https://github.com/richzhang/colorization)onWindows10andPython3.x(3.8.6). Steps Step 1. Install Python on Windo

How to deal with the problem that Japanese characters are garbled when outputting logs using JSON log formatter

I used JSON log formatter because I want to get the log in JSON, but for some reason Japanese (double-byte characters) is garbled. # environment Windows10 Home 10.0.18362 Build 18362 Python 3.8.3 J

Keep key names case in Python standard ConfigParser

You can read and write INI files with the standard Python library configparser. https://docs.python.org/ja/3/library/configparser.html An INI file is a file format that is sometimes used for config

[AWS] [AmazonLinux] Error analysis of insufficient disk space with docker-compose

## background I got angry when I tried to start the container #### **`python`** ```docker # docker-compose up ERROR: failed to register layer: Error processing tar file(exit status 1): write /usr/

Find (deterministic finite) Cartesian automata in Python

# Overview Find the Cartesian automaton. Use automata-lib to handle deterministic finite automata in python. ``` pip install automata-lib ``` I referred to the following article. [Implement a d

It's a Mac. What is the Linux command Linux?

What is Linux? I did a deep digging because I didn't understand, so I will record it. First of all, my question when I started programming as a Mac user is ** Is Linux knowledge of Windows? ** **

Preprocessing in machine learning 2 Data acquisition

[Aidemy](https://aidemy.net/)　2020/10/29 # 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

About Go Modules (vgo)

## What is Go Modules? Go's dependency management tool. Until a long time ago, dep was used a lot, but it was introduced from Go1.11 and seems to be used a lot. By the way, it is a full-scale intro

I tried to cut out a still image from the video

<br> Background <br> I needed to annotate to create machine learning teacher data. For that reason, a large amount of still images were needed, so I decided to cut out still images from the video.