[Golang] About Go language channel

## What is a channel? Since Goroutine is executed in parallel, data cannot be exchanged normally. However, you can exchange data by using channel. It's like connecting a tunnel! ```golang packa

How to make an HTTPS server with Go / Gin

I found a way to make it an HTTPS server with Go / Gin from Gin's Github, so I will write it instead of a memo. [environment] go version go1.15.2 darwin/amd64 [Reference URL] https://github.com

I played RPG Maker 2000 Ruina ~ The Story of the Abandoned City ~ on Raspberry Pi

# Introduction RPG Maker 2000 is a game production software sold by Enterbrain for Windows OS. Raspberry Pi runs Raspbian customized based on the Debian distribution of Linux. (It is possible to use

AI Autonomous Driving Radio Controlled Car Proto (2-2 Dimming Turn Signal)

# Introduction Although it is a PWM controller used for servo control, it can also be used to control LED brightness. I used this to simulate a Mazda 3 turn signal (although it's hard to understand

[Density visualization] Plotly and dynamic visualization [python3, hist, kde, join, contour, heat map]

python==3.8 plotly==4.10.0 # histogram Operate in bar mode whether to stack or see through ## watermark ```python import plotly.graph_objects as go df = px.data.tips() fig = px.h

Automatic mosaic generation

Hi, I'm cute while studying Deep learning. This time, I tried a program that automatically generates a mosaic on an image. # Execution environment MacOS, VScode, python3.6(anaconda) # Execution pr

Introduction to how to use Pytorch Lightning ~ Until you format your own model and output it to tensorboard ~

# What to do in this article For people who "I made my own DNN model but the code is dirty" and "I'm tired of clerical work (save, log, DNN common code)" --With AI development explosive library Pyt

Common mistakes when programming experienced people start studying Python

# Introduction Originally, I mainly touched PHP on the server side, or C language in school classes. This time, I started studying because Python seems to be efficient as a measure for job hunting co

Image processing by Python 100 knock # 11 smoothing filter (average filter)

## Introduction Hi, I'm Ramu. This time, we will implement a median filter that removes noise in the image. ## 11th: Smoothing filter (average filter) A smoothing filter is a filter that smoothes

I tried running Deep Floor Plan with Python 3.6.10.

# Introduction I rewrote "Deep Floor Plan Recognition Using a Multi-Task Network with Room-Boundary-Guided Attention" (hereinafter referred to as "Deep Floor Plan") announced at ICCV2019 to the pytho

Django shift table shift data creation function completed

As a result, I noticed after creating the function, but I wondered if it would be impossible for the shift decision maker to make adjustments after the shift was entered by the person himself. Also,

Paste the link on linux

# ln command #### **`Symbolic creation`** ```python ln -s Link source registered name ``` #### **`Forcibly put a symbolic link`** ```python ln -sf link source registered name ``` #### **`If the

Do an ambiguous search for mysql in Django

## About fuzzy search of mysql https://www.softel.co.jp/blogs/tech/archives/1877 For the query, I referred to here. ## How to write in Django Use ʻextra` because special queries cannot be done wit

Deep Learning with Shogi AI on Mac and Google Colab

Book "Deep Learning Learned with Shogi AI" by Tadao Yamaoka Original source code https://github.com/TadaoYamaoka/python-dlshogi.git # Purpose Run "Deep Learning with Shogi AI" on iMac and Google C

Amazing algorithm "BEADS" that can nicely separate the troublesome background of measurement data without function definition

Recently, the chances of coming into contact with various types of measurement data have increased, and the feeling that "I want to perform background evaluation in a batch without depending on the s

Pandas 100 knocks on Google Colaboratory

100 Pandas knocks for Python beginners https://qiita.com/kunishou/items/bd5fad9a334f4f5be51c Knock 100 Pandas in Colab. https://colab.research.google.com/drive/1xITqd8wQC-EfYlPZlMydeCZDJl1nNNAy?us

About the difference between PostgreSQL su and sudo

# Introduction Now that I've become an engineer and have come into contact with Linux and PostgreSQL, I'll keep what I've learned as a record. The environment is CentOS 7.2. Use PostgreSQL. # postg

Image processing with Python 100 knocks # 9 Gaussian filter

## Introduction Hi, I'm Ramu. This time, we will implement a Gaussian filter that removes noise in the image. ## 9th: Gaussian filter The Gaussian filter is a filter that smoothes images. By apply

Deep Learning on Mac and Google Colab Words Learned with Shogi AI

[TOP PAGE](https://qiita.com/kazunoriri/items/d7875d7f1121edcc807a) shogi.BB_SQUARES [0b000 ・ ・ ・ 0001, 0b000 ・ ・ ・ 0010, 0b000 ・ ・ ・ 0100, ・ ・ ・, 0b100 ・ ・ ・ 0000]. 81 elements. shogi.COLORS Ra

Deep Learning with Shogi AI on Mac and Google Colab Chapter 7 1-4

[TOP PAGE](https://qiita.com/kazunoriri/items/d7875d7f1121edcc807a) # Chapter 7 Policy Network 7.1～7.4 policy.py #### Meaning of 194 filters Considering the input layer, there are 104 9x9 phase di

How to use MultiIndex (personal memorandum)

## What is MultiIndex? Click here for details ↓ https://pandas.pydata.org/pandas-docs/stable/user_guide/advanced.html According to the document, it is a hierarchical index and can be used when manip

Try to factorial with recursion

Good evening. I tried to be a beginner I hope it will be helpful to everyone. For example, how can we achieve 3! (= 3 * 2 * 1)? ``` print(3*2*1) ``` It's done (laughs)! Then, why not write it

Launch a simple password-protected search service in 5 minutes

# TL; DR (Summary for experienced people) I made [docker-compose.yml](https://github.com/chopstickexe/es-kibana-nginx-python) which is a collection of the following containers: --Elasticsearch: Sea

Difference between process and job

# What is a process? --The `unit of processing as seen from the Linux kernel` is called a process. --The process has a system-wide unique `" process ID "`. # What is a job? --The `unit of proc

[AWS] I tried using EC2, RDS, Django. Environment construction from 1

## Introduction This was my first time touching the back end, which was quite annoying. The next time I created it, I thought that I could create it immediately after seeing this article, so I crea

VScode intellisense doesn't work on Raspberry Pi OS 64bit! (Python)

Nice to meet you. This article is the first post. This time, pylint was annoying, and when I set it by looking at a certain site, VScode intellisense did not work with Raspberry Pi, so I will write

Markov Chain Chatbot with Python + Janome (1) Introduction to Janome

# Preface I wanted to implement a Markov chain chatbot in Python. Well, when I investigated what to throw in morphological analysis, Janome has no dependencies on other libraries It seems that you

I'm tired of Python, so I analyzed the data with nehan (corona related, is that word now?)

## greeting Hello, this is sunfish. Data analysis using Python has become popular these days, but it is difficult to master. The goal is to struggle with Python, and the business improvement that I

WEB application development using Django [Model definition]

[Continued from template addition](https://qiita.com/tesla1017/items/8fbc72f0312f9d445c2c) Model definition - The function called posts that we are currently creating is based on the image of a fu

Handle Go environment variables (viper)

# Introduction There is a library called viper that simplifies the environment setting file with golang. This time I will briefly introduce how to use the viper viper Try using viper simply This