Install GoLang in goenv of anyenv

Suddenly there was a possibility that I would use Go language and GoLang for business, so I decided to start studying. Since it is a great deal, I will refrain from creating an environment. I hope i

A story about Go's global variables and scope

There are times when you have to use global variables. For example, it is necessary for initialization at the time of testing (I was addicted to this this time) I'll explain the realistic situation

Record what you have learned in the four months of in-house software engineer training (* currently in progress)

# Introduction Hi, my name is Maki and I am aiming to become a back-end engineer from my inexperienced Alafor. After graduating from a science graduate school, I worked as an engineer at a major m

Real-time visualization of thermography AMG8833 data in Python

# Introduction This article is a record of using the 8x8 infrared array sensor "AMG8833" from Arduino, sending the data to a PC in real time and visualizing it with Python (PyQt5, PyQtGraph). It is

Flutter platform channels for Linux

## Introduction This article is for those who use platform channels for Linux with Flutter. I will write how to integrate Dart with the Linux platform. I will not write the procedure for building

[Linux] Fixed paths for multiple serial devices

A case where multiple serial devices are used at the same time on Linux. For example, when the GPS module and LTE communication module are connected at the same time, both are recognized as / dev / t

Raspberry Pi video camera

Create a video recording system using the 8GB memory of Raspberry Pi 4B Request use -Videos are saved in the main memory (RAM disk) ・ You can monitor the image during shooting -Hardware that is

Start for free First AWS ② Start Linux virtual machine

# Introduction Last time, I proceeded to create an AWS account. * [First AWS to start for free ① Create an AWS account](https://qiita.com/iwama_takumi/items/98deb1f0550ef0ba5365) This time, I wil

A simple way to avoid multiple for loops in Python

# Introduction I think ** multiple for loop (nesting) ** is one of the most avoidable processes in programming. About a month ago, the article "[Why do we stubbornly avoid for](https://qiita.com/tets

Unzip the internet zip file

# Unzip the zip file on the internet [Meteorological Agency](https://www.jma.go.jp/jma/kishou/know/amedas/kaisetsu.html) [List of regional meteorological stations [ZIP compression format]](https://ww

I got stuck so I reviewed it

Good evening (* ´ω ｀) There are things like that, human beings. In such a case, you can visit, take a walk, After that, I will organize what I understand. Do you know what you've done so far ??

A shell script that puts Webmin into Alpine Linux

## reference [Webmin - Alpine Linux](https://wiki.alpinelinux.org/wiki/Webmin) [AlpineLinux 3.6: Install Webmin, a web-based system management tool](https://www.hiroom2.com/2017/08/23/alpinelinux-3-

About Go control syntax

Go's control syntax is designed to be very simple and can be written with a minimum of reserved words. Therefore, there are many variations in the description method, so I will summarize them. ## if

I stumbled upon installing sentencepiece on ubuntu

# table of contents 1. Environment 2. Overview 3. Procedure 4. Result ## 1. Environment - ec2:ubuntu(18.04.5) - python:3.7.3 ## 2. Overview I built a python environment on an ec2 instance and t

Scraping the list of Go To EAT member stores in Fukuoka prefecture and converting it to CSV

[Go To Eat Campaign Fukuoka](https://gotoeat-fukuoka.jp/) is CSV data in [here](https://gotoeat-fukuoka.jp/csv/fk_gotoeat_UTF-8.csv). conversion ```python import pandas as pd df = pd.read_csv("http

Data Langling PDF on the outbreak of influenza by the Ministry of Health, Labor and Welfare

# Introduction + [Announced by the Ministry of Health, Labor and Welfare, 112-line conversion program that checks the number of influenza reports by prefecture with CSV / JSON](https://fukuno.jig.jp

Paiza Python Primer 8: Understanding Classes

Python3 is completely free on Paiza, so I summarized it. [Introduction to Paiza Python3](https://paiza.jp/works/python3/primer) ## 01: Let's understand the class ### What is an object? Simply

Scraped music chart (almost diary)

Just to keep the code. ```{python} import pandas as pd import time from selenium import webdriver from datetime import date from datetime import timedelta driver = webdriver.Chrome("****/chromedriv

[Python / Chrome] Basic settings and operations for scraping

# Introduction I used to scrape with VBA, but I don't know how long Internet Explorer can be used. So I started scraping ** Chrome ** with ** Python **. The environment is ** Windows **. It's mor

Distinguish t + pazolite songs by machine learning (NNC challenge development)

#### 1.First of all [Last time] [1] showed that "t + pazolite music can be discriminated by a machine" as a work of [NNC Challenge] [2]. Although I was satisfied with the result, I was not able to t

[Python] Strengths and weaknesses of DataFrame in terms of time required

<h1> Introduction </ h1> In Python, pandas.DataFrame can handle 2D table data. It is easier to handle table data than list and tuple, which are equivalent to arrays in other languages, but its proc

I tried to find the affine matrix in image alignment (feature point matching) using affine transformation.

# Introduction This is an article to find the affine matrix in feature point matching. In this article, we will decide the feature points manually. ![image1.png](https://qiita-image-store.s3.ap-nort

[Golang] Create docker image with Github Actions

# Contents Create a Docker image of your Golang app and push it to the Docker registry. Click here for the Dockerfile for the Golang app (https://qiita.com/Yuuki557/items/3d088de91ab86bc71600) # t

Supervised learning of mnist in the fully connected layer, clustering and evaluating the final stage

# Supervised learning of mnist in the fully connected layer, clustering and evaluating the final stage ```python #Import required libraries import keras from keras.datasets import mnist import numpy

Image recognition environment construction and basics

In order to initialize the PC frequently, I will leave the environment construction for image recognition as a memorandum for myself (it may be quite forgetful because I usually do other work). We

Build a LAMP environment with Vagrant (Linux + Apache + MySQL + PHP)

## Premise ・ When I want to develop it by myself, I create a gonyo gonyo environment with basic Vagrant. (Since it has become a rut, I wonder if I will do something like Docker from now on ...) ・ It

Read the csv file with jupyter notebook and write the graph on top of it

# Preface I recently had the opportunity to use a jupyter notebook, so I will summarize what I learned there. What I did was read only the necessary lines in the csv file and have the graph drawn. #

Get images of great find / 47 sites using Python (Part 2/2: I published the target list on github)

## Postscript after publication of the article As a skeleton, I uploaded an empty folder under jpg to the github repository by region (region)-by prefecture (2020/11/3, 11:30). I think this saved me

Analyze data using RegEx's 100x Flash Text

When it comes to data analysis, ** FlashText ** is a faster and more reliable tool for searching and replacing. * This blog is a translation from the English version. You can check the original fro

Faster emulation with QEMU on ARM CPUs

# When you want to emulate a Linux application If the host OS is also Linux, you can use [QEMU User Mode Emulation](https://www.qemu.org/docs/master/user/index.html) to emulate fairly quickly. Since