[Refactoring Catalog] Change function declaration
## Book [Refactoring-Safely Improve Existing Code, 2nd Edition](https://www.yodobashi.com/product/100000009003204206/) Or [Web version](https://martinfowler.com/articles/access-refactoring-web-editio
GUI development with Fyne by Go
Of course, GUI development is more complicated to create than a command line application. Fyne chose Fyne for the time being because he said he would use Go's excellent design to make building a GUI
Experience Linux speeding up with Page cache
Just copy this super nice article. https://www.kimullaa.com/entry/2019/12/01/130347 Run as root. ```ruby #Make a huge file dd if=/dev/zero of=/tmp/large.txt count=100 bs=10M #Current cache stat
Specifying the date with the Twitter API
# Introduction <!-Description the beginning and outline-> I want to specify the date with the Twitter API. # environment <!-Development environment-> ・ Windows 10 -Python3.8 ・ Twitter API v1.1
[AWS] Detects the specified character string from the Lambda execution log and notifies slack
This time, I will introduce one of the notification methods that can be used when operating using AWS services that I often touch. # Service used + Lambda + CloudWatch + Slack # Implementation flow
Create a JSON object mapper in Python
This article is the 23rd day article of [Python Part 2 Advent Calendar 2020](https://qiita.com/advent-calendar/2020/python2). ## Self-introduction It's been almost eight years as a back-end engine
The story that Pathlib could not access the folder containing the half-width space
I got stuck when I was working on Pathlib while studying Python, so I will show you the solution. (Mac) # Note --Pointed out by @shiracamus --This solution does not work because the path delimiter
Free from long polling! Django's Channels
# Greeting The content written is the same as [Official Tutorial](https://channels.readthedocs.io/en/stable/tutorial/part_1.html). Other than the official docs, there is no kind article that explain
Scraping google search (image)
I referred to the following site. https://qiita.com/taedookim/items/63759e79426514c8a729 # Clone from github Use google-images-download. The head family seems to have stopped updating, so from the
ElGamal encryption on elliptic curves
# ElGamal encryption on elliptic curves ## Key generation 1. Generate an elliptic curve $ E/F_p $ and a base point $ G $ with an order $ l $. ($ p, l $ are prime numbers) 2. Generate the private ke
Plotly Dash on Google Colab
Dash (https://dash.plotly.com/) is a framework for data visualization in python. I thought this would be available on Google Colab, but I found a good article that has already been explained. https
Operate Maya from an external Python interpreter using the rpyc module
This article is the 23rd day article of [Takumi Akashiro Alone Advent Calendar 2020](https://qiita.com/advent-calendar/2020/takumi_akashiro "ひとり Advent Calendar 2020"). ## At the beginning When I
"Takosuke" who doesn't know right or left builds "development environment" and executes "Hello Python" code description
"Takosuke" who doesn't know right or left builds "development environment" and executes "Hello Python" code description △ ・ It's been 16 days since I started learning "Python" with "VsCode" because
Communication between uWSGI and Nginx using Unix Domain Socket
This article is the 16th day article of [Tokyo Gakugei University Hashiyama Laboratory Advent Calendar 2020](https://qiita.com/advent-calendar/2020/hazelab). # Introduction This article is about l
Send experiment results (text and images) to slack with Python
# Send text ## Set API on slack side 1. Open "Manage apps" from "Settings and management" of slack. . Yesterday was Tomoka-san's [Story of running FunLocks, a hackathon that is k
A story about go get but stumbling immediately after being assigned with command not found
## For busy people #### Solution (1): Pass through the path ``` $ export GOPATH=$HOME/go; $ export PATH=$PATH:$GOPATH/bin; ``` If it's just not in the path, this will solve it. #### Solution (2):
I made a program to collect images in tweets that I liked on twitter with Python
This article is the 23rd day of [Akatsuki Advent Calender 2020](https://adventar.org/calendars/5174) ## Introduction It's been a couple of years since I started using it, but I haven't written an
[Python] Calculate the angle consisting of three points on the coordinates
This is the calculation method of the angle formed by points A, B, and C, and ∠ABC (angle around point B). ```python #Point A,B,C coordinates (on 3D coordinates) a = np.array([0,1,2]) b = np.array(
[Mac] Run the RealSense D415 sample in Python
# What is RealSense D415? Realsense provided by Intel is a camera device with a depth perception function. It doesn't officially support mac, but it can be run with an unofficial library called libre
You can create an interactive web application with Python alone [Strength finder dashboard creation]
[BrainPad Advent Calendar 2020](https://qiita.com/advent-calendar/2020/brainpad) This is the article on the 23rd day. In this article, I will talk about making an ** interactive visualization app *
When you want to play a game via Proxy
This article is a later story of [How to fly Wi-Fi through Proxy brilliantly --Qiita](https://qiita.com/yangniao23/items/be9eaf95ed87b1084bac) who won the battle with Proxy. The environment etc. are
Understanding Go's net package-Day 1-
# 12/27 update [Understanding Go's net package-Day 2-](https://qiita.com/Marny/items/b4d62a860cc1760d19fd) I wrote # Introduction Among the Go packages, I will study the `net` package, which is on
Summary of installing PHP7.2 on EC2 (Amazon Linux 2) and setting php.ini
Amazon Linux will end support on December 31, 2020, so You now need to migrate to the successor OS, Amazon Linux 2. I couldn't simply update the OS, so I created a new instance of Amazon Linux 2
I tried to discriminate a 6-digit number with a number discrimination application made with python
 Nice to meet you. My name is dev. This is my first time posting to Qiita.
[Introduction for beginners] Reading and writing Python CSV files
# 1.First of all This time, I will describe how to write a CSV file in Python and read the CSV file. # 2. Source code --Write data line by line to the CSV file using a list --When writing as an a
Load the network modeled with Rhinoceros in Python ②
Last time, I took up the pedestrian space network as an example of network analysis in architecture and cities, and actually drew the pedestrian space network with Rhinoceros based on the map informa
Organize files on Windows with Linux commands-using WSL-
## Purpose of this article ・ Those who "want to try Linux commands but think that it is troublesome to build a virtual environment" ・ Those who "want to use live files instead of creating a practice
[High School Information Department] Information I / Information II Reiwa 3rd year supplementary teaching materials Exercise examples
## Class outline |Applicable chapter|Chapter 3: Society Supported by Information Systems| |----------|--------------------------| |**Applicable section**|Network crimes| ||Information gathering an
[Machine learning] Where will you win this year's Hakone Ekiden? ~ From data to prediction ~
# table of contents [0. Introduction](#0-はじめに) [1. Preparation ~ Apply for Free Trial ~](#1-準備-無料トライアルの申し込み) [2. Preparation ~ Prepare the dataset ~](#2-準備-データセットを準備する) [3. Now put it in Datarobot