Heavy file forwarding / tricks

# At first Sometimes you want to transfer heavy data between servers. If you go through the local, you will eat communication like a fool. Also, when connecting with a VPN, if the VPN goes down on

Introduction to AOJ Programming (ALDS1)-# 7 Tree Structure

# Introduction to AOJ Programming (ALDS1)-# 7 Tree Structure [AIZU ONLINE JUDGE](https://onlinejudge.u-aizu.ac.jp/courses/list)> [Introduction to Algorithms and Data Structures](https://onlinejudge.

I tried LeetCode every day 136. Single Number (Python, Go)

#### What is Leetcode [leetcode.com](https://leetcode.com/) This is the practice of coding interviews for software developers. A total of more than 1,500 coding questions have been posted, and it s

Cross Validation improves machine learning model accuracy

# Overview This article summarizes Cross Validation. If you have a limit on the number of submissions, like Kaggle, it's unwise to check the accuracy by submitting. Also, if you improve the accuracy

I tried to automatically generate a password with Python3

## Introduction Hello, this is Snakeseed. Today, I made an automatic password generator using Python's built-in variable "chr", so I will share it. It's difficult to use other than the alphabet passw

Clean up the repository at the end of the year and delete DS.store

## Overview Everyone, thank you for your hard work this year! !! I think that I will create apps with various tutorials for a year and offer them to Github, but I think that there are many repositor

Future nl command

[nl command Advent Calendar 2020](https://qiita.com/advent-calendar/2020/nl) This is the last article. I will summarize the direction of the nl command in the future. GNU coreutils coreutils has

[Python] Combine multiple Excel sheets into one

Excel for Mac is quite inconvenient because you cannot specify multiple tables at once when creating a pivot table. (It should have been done in the old version ...) First of all, we will make it ea

Learn with Pixel 4 camera Depth map-3 (image correction)

# Introduction This article cuts out only the Code part handled in the article serialized in [Note](https://note.com/sv_engineer/m/m98195ca0c6e1). If you are interested in the technical background, p

I tried LeetCode every day 125. Valid Palindrome (Python, Go)

#### What is Leetcode [leetcode.com](https://leetcode.com/) This is the practice of coding interviews for software developers. A total of more than 1,500 coding questions have been posted, and it s

Google Colab is too good (too easy to get started! About 3 moves ...) Recommended! !! !!

# Overview (Date 2020/12/26, on Windows PC) ** Google Colab ** is too good (First, it's too easy to get started! About 3 moves ...) So I will write an article. If you search for "google colab", y

Deploy the strongest front-end Streamlit for data scientists on Azure!

This article is [Request! Tips for developing on Azure using Python![PR] This is his 5th day of Microsoft Japan Advent Calendar 2020](https://qiita.com/advent-calendar/2020/azure-python) (I will writ

I tried to summarize useful knowledge when developing / operating machine learning services [Python x Azure]

# Introduction Hello, I'm active with a creator-named [ "umi-mori"](https://twitter.com/umi_mori_jp), is MORISHIGE. The targets and overview of this article are as follows: --Target / Target --Re

Introduction to regular expression processing system

## Introduction This is my second post, @reonyanarticle. I was late, but I managed to finish writing it, so I will post it. This time I will write about regular expressions. Regular expressions

The quick action PDF creator on the Mac I want it on Windows

# at first ![PXL_20201226_090521131.jpg](https://qiita-image-store.s3.ap-northeast-1.amazonaws.com/0/403148/b5b98ee0-421a-f31d-8410-b953ad121c35.jpeg) I wanted to add the same function to Windows (a

Python3, venv and Ansible

# Introduction It's been almost a year since the support for Python2 has ended. On the server I use on a regular basis, the script is still running on the 2nd system without any problems ... I thou

Invoke tagging discipline across organization in AWS --3

<!-- # Invoke tagging discipline across organization in AWS - 3 --> ![haniwa2_tag.png](https://qiita-image-store.s3.ap-northeast-1.amazonaws.com/0/486518/42718d7e-b91a-0eb7-8281-4879b40be19c.png)

How to get started with laravel (Linux)

When I started using it, it didn't go well, so I'll summarize it so that people who are starting from now will not trip over it. # 1. Install composer composer is a tool for managing PHP libraries,

Two solutions to the problem that it is hard to see the vector field when writing a vector field with quiver () of matplotlib pyplot

The method plt.quiver (), which is a standard method when writing vector fields with Matplotlib.pyplot, is very difficult to use. We suggest the tips for drawing beautifully and the use of plt.strea

Analysis for Data Scientists: Qiita Self-Article Summary 2020

Voting is currently underway. Please vote on twitter. <blockquote class = "twitter-tweet"> <p lang = "ja" dir = "ltr"> Qiita Self-article A list of many likes. I'm trying to get into the revision w

Clogged when getting data from DB and making it a return value

(Since it is a memorandum, it is easy. For more information, refer to [Documentation](https://docs.sqlalchemy.org/en/13/) etc.) ## Return value of execute () -When connecting to DB with sqlalchemy

Efficiently develop Azure Python apps with CI/CD

This article is [Request! Tips for developing on Azure using Python![PR] Microsoft Japan Advent Calendar 2020](https://qiita.com/advent-calendar/2020/azure-python) It is the 21st day. # Introduction

Obtaining Azure Access Token by Python for using Microsoft Graph API

## Overview It is a Python program only to get the access token required to use the Microsoft Graph API. For the credential information required in advance, I obtained it by referring to [this arti

Write Pulumi in Go

I was thinking of doing it, but I didn't touch it, so let's take this opportunity. # What is Pulumi? https://www.pulumi.com/ Pulumi is a tool that allows you to provision and deploy infrastructure

3D plot Pandas DataFrame

In my research, I wanted to plot Pandas DataFrame in 3D. For example, suppose you have the following data: ![image.png](https://qiita-image-store.s3.ap-northeast-1.amazonaws.com/0/255633/42bc60d2-5

If you know Python, you can make a web application with Django

This article is the last day of [Django Advent Calendar 2020](https://qiita.com/advent-calendar/2020/django). # Introduction Nice to meet you. I usually use Django to develop web apps. -[Silt

Kubernetes Scheduler Introduction to Homebrew

# Introduction The scheduling framework, which is a framework for creating your own Kubernetes scheduler, has been put in place. However, it is still in the alpha stage, so there is not enough infor

Try throwing a query in Redash

# Introduction Since I installed Redash in my local environment the other day, this time I will put the data in the database and execute the query with Redash. Please see [here](https://qiita.com/d

[Unity (C #), Python] Try running Python code in Unity using IronPython

## I'm sorry I was late This article is the 20th day article of [Python Advent Calendar 2020](https://qiita.com/advent-calendar/2020/python). I am sorry to be late. I'm sorry. ## What I wanted to

About permissions

I've learned how to read permissions, so I'll take notes. # How to read permissions First, ** owning user ** and ** group ** are set for files and directories, and access rights are expressed by