[PYTHON] [Programming News] Qiita Summary Article Weekly August 2nd week, 2019 Vol.4

I made a summary of Qiita's articles that I was interested in from Sunday, August 4, 2019 to Saturday, August 10, 2019. Weekly version of daily summary articles.

We hope you find a language you are interested in and an unexpected hacking method.

Java

• Tips -Java has a QR code creation library called QRGen that wraps ZXing nicely, so I tried it -Comparison of basic CRUD between Mybatis and Hibernate -Build DB environment with DBFlute Intro + H2 Database
• Spring Framework -Link memo when checking Spring Framework information -[Spring Framework, tasklet] Nested transactions -Try Spring Security AES256 string encryption / decryption
• Spring Boot -Create an application template with Spring Initializr -Create a web api server with spring boot

Python

• Django -Introduction to Django Practical Development -Django construction basic command summary -Settings when running multiple sites with Nginx, Gunicorn, Django (SSL compatible) -Notes on how to install Django
• Tips -Until you exe a Python application using PyAutoGUI -Install Wing IDE (Python integrated development environment) on Kali Linux -Solving Sudoku with Watson! I tried using Decision Optimizer -The story of the python package hierarchy -Draw pattern animation with Gray-Scott model -Story of parsing XML with Python using Expat -Create a Django development environment with Pipenv -[Python] Self-position estimation with Python -Story of infinite ramen image generation with WGANgp -Face recognition (OpenCV) in 30 lines and output to a file! -JSON input / output with Python (encoding is also solid) -Embed data in HTML with Python + Jinja2 and use it from the JavaScript side -Python Style Guide and Linter
• Kaggle -Receive Kaggle commit status on LINE -Easy construction of GCP environment for Kaggle
• Tools -Automatic scraping with Python + AWS Cloud9 → LINE is notified of the update and applied for the MENSA enrollment test

Ruby

• Tips -When to use [Ruby] Proc, what are the benefits

Rails

• Beginner -Docker-compose to build an environment for "Everyday Rails --Introduction to Rails Test with RSpec"
• Tips -I tried Rails of Ruby to Heroku with MySQL -RubyOnRails / Implementation of automatic update function -RubyOnRails / Incremental Search Implementation -Try new features of Rails6 63 (db: system: change) -Rails 3-5 How to connect to multiple databases -How to change Rails erb to slim -Rails6 new feature ActionText usage -Try new features of Rails6 64 (db: seed edition) -Method to process Rails Strong Parameters at once --OSS developed with Rails -Error about Mysql5.7 system when trying to start Rails in production environment -Try new features of Rails6 65 (timestamps precision edition) -How to install devise in Rails -Japanese support for devise -How to download images and PDF files from S3 with Rails -Things to think about before creating a Rails service class -rails font-awesome-sass installation method -How to ensure security when using AWS -I tried using Youtube data API with rails -I relied too much on gem'devise'and the concept of session and cookie was sparse, so I will summarize it

C＃

Android

• Tips -Try making a graph on Android -Use viewLifecycleOwner as the first argument (Owner) when using LiveData # observe in Fragment -What I was addicted to when upgrading to Cordova 9.0 -Visualize the location information of your Android smartphone with Kibana -How to use the pre-release version of Android Jetpack -Try running Android Jetpack App Crawler -Which is better, Retrofit return value, such as ʻObservableorSingle` -A library that is effective when you want to restart Activity but you have to insert an extra screen ... -Android X installation procedure

Swift

• Tips -[Swift] Biometric authentication method -Create an iOS certificate -Summary of screen transition method in iPhone development (Swift) -RxSwift Learning Process-Error Handling- -Get Pre-signed URL from S3 with iOS app -Get HTML source code from URL specified in Swift -I will explain server communication in Swift in the easiest way with Qiita -[Swift 5] Notes to apply RootViewController
• Apps -[Swift 4.0] News Curation App Creation

Kotlin

• Tips -Collection of materials for starting Android with Kotlin + MVVM + Dagger2 -[Let's do Kotlin! ] Let's write a unit test with Spek2 -[Gradle] Analyze Dependent Library Vulnerabilities with Kotlin DSL -[Kotlin] Create a coach mark easily! I tried using the Spotlight library -Should Kotlin's optional types always be omitted?

Flutter

• Beginner -Introduction to Flutter Web with IntelliJ Hello World

Fulx

JavaScript

• Beginner -[JavaScript] checkbox from state programming to declarative programming [Elm]
• Tips -Introduction to Electron in the shortest time -Try making REST API with axios -Find ES6 + compatible minify library -[Technical memorandum ⑥] Easy image processing with a single command using the image processing library "jimp" of the npm package. -I made a command to notify you when Monaca upload or download is completed (monaca-cli-notification)

React

• Beginner -ES2015 (ES6) import and export (default) (React basic course 4)
• Tips -Get URL parameter of react-router with React + TypeScript -Procedures for publishing a website using Gatsby and Netlify -How to install devise in Rails
• Apps -Developing a quiz app using React -[Series] Let's make a cool site with React and p5.js! !! (part 1) -Implement Role Based Access Control in React application

Node.js

• Tips -I tried using Python-shell to call Python code from Node.js
• Express -Try using the Express framework of Node.js -Raise the version of express from 3 series to 4 series
• Tools -Create a chatbot that can play music with the Discord app | Chatbot # 1
• Apps -Try to create a web application that operates freee API with JavaScript (Node.js)

Vue.js

• Beginner -Introduction to Naruhaya Vue SPA: Vuex file split -Create a portfolio site with Vue.js
• Tips -Vuejs Live Editor was easy to run with Vuep -No library required! Create a UI that can be easily operated with Vue.js and SVG -Deploy a page created with Vue CLI to Firebase Hosting -Workaround using Proxy when CORS is caught by axios between Vue.js and API server -[For beginners] Sample to persist data for each component with Vue.js -Easy separation of view and logic with Vue Function API

Vuex

Nuxt.js

• Tips -Nuxt.js + Firebase Authentication + Web application hands-on with FireStore -[Note] I tried to typescript Nuxt.js -Procedure / Operation method when publishing Nuxt.js project on github-pages -How to introduce user authentication by Firebase Authentication to Nuxt.js project

Nest.js

• Tips -Slightly serious Next.js [Firebase Hosting]

Angular

• Tips -[Japanese translation] Did Angular lose to React? How to select a framework for front-end development

jQuery

• Tips -Slideshow by tapping JQuery button

TypeScript

• Tips -What to do when you get sick from the beginning in environment development with React x Redux x Typescript
  • Vue + TypeScript + Webpack (summer, 2019)

C＃

• Tips -Publish a website created with Blazor on GitHub Pages

PowerApps

• Tips -[PowerApps] Get latitude / longitude in background

ReactNative

• Tips -The story of having more than 10 times the number of reviews of React Native app in 3 months

Laravel

• Tips -Laravel 6 is coming! !! & Serverless Laravel Vapor is coming! !! -Convert Laravel5.8 string to camel case, pascal case, snake case, kebab case, singular system, plural form -3 ways to upload images with Laravel -Persist Laravel queue worker on EC2 with Supervisor

C#

PHP

• Tips -Hit the API of the external service using cURL

CakePHP

Rust

• Tools -A story about writing a little command line tool in Rust

Go language

• Tips -Try using mkl with go -[Go × log] I tried to summarize how to use logrus in a simple and easy-to-understand manner -Collect Go language application settings and environment variables in Struct -How to create a custom validation rule using go-playground / validator -Deploy Go application to GKE -Data communication using WebSocket and Protobuf with Go and Swift -[Go] Send an email with Gmail API -[Go language] Package import organized

R language

• Tips -SQLite in R language

Scala

Haskell

• Tips -Try to solve Chapter 2 of 100 natural language processing knocks with Haskell. [Part 2]

Unity

• Tips -I investigated how to do deep learning with Unity -Create a remote desktop app that runs on Oculus Quest (Unity Yurufuwa Summer Advent Calendar 2019)

Spark

Twitter

Line

• Tips -How to use LINE Notify (PHP code as an example)
• Apps -No complicated coding required! !! !! Invented a way to unleash a fucking app and get a T-shirt on LINE Clova in just 15 minutes It was.

A-Frame

• Beginner -In WebVR, place an object that expands when selected A-Frame series (2)
• Tips -[WIP] Recent AR Technology Survey

PowerApp

Line

HTML

CSS

Sass

SQL

MySQL

• Tips -Maximum number of RDS (MySQL) connections (Alibaba Cloud) -Put initial data when starting PostgreSQL / MySQL with docker-compose -Run a MySQL client with Docker and connect to RDS (MySQL) --How to get the json format value stored in the text type of mysql -List of commands often used in the production environment of the combination of AWS & capstrano & unicorn & MySQL

PostgreSQL

• Tips -How to unlock with PostgreSQL

Oracle

• Tips -Enable archive log mode -Oracle table optimization work, memo writing

MongoDB

SQL Server

Apache

big data

Visual Studio Code

• Tips -Comparison of frequently used shortcut keys between Sublime Text 3 and Visual Studio Code (Windows))

IntelliJ IDEA

AI

IoC

Git

• Beginner -[Personal memo] git command used for business
• Tips -Useful function memo of GitHub -List of Git commands often used in team development --Update forked repository with fish -How to combine two commits with Git

AWS

• Beginner -AWS IAM Role, EBS, What is a Snapshot Image [Diagram]
• Tips -Reference API created by Serverless Framework from Terraform -Create an AWS configuration diagram with "Creately" -Building a WordPress blog on AWS, acquiring a domain and publishing it (Part 1)
• EC2 -EC2 with Git, Python3, Django2, PostgreSQL automatic environment construction -AWS EC2 Command (Reference / Start / Stop)
• AWS Lambda -Export from CloudWatch Logs to S3 on Lambda -How to upload GB unit video with Stream API with Lambda × node.js -Bundle install on AWS Lambda -Make scraping process microservice with AWS Lambda and Python -Get API Key value with API Gateway + Lambda -AWS Lambda: Difference between API Gateway and Application Load Balancer -Delete Empty LogGroup in CloudWatch -Monitor IAM user access key with Lambda -You can now receive Android Jetpack releases via RSS using AWS Lambda
• Amazon S3 -[Play on AWS] Try publishing an HTML page on Amazon S3 -Forward logs from CloudWatch Logs to S3 using Lambda
• Amazon MQ -I took an online seminar on Amazon MQ -I took an online seminar on Amazon DocumentDB
• AWS CDK -I tried using custom resources (@ aws-cdk / custom-resources) with AWS Cloud Development Kit (AWS CDK)
• AWS CLI -How to get a list of all regions used by AWS CLI -I tried installing AWS CLI on Mac and connecting to S3
• AWS SAM -Try using AWS SAM
• AWS Clinet VPN -Create a VPN that can go out to the Internet with AWS Client VPN
• AWS CloudHSM -I took an AWS CloudHSM online seminar
• AWS Certificate Manager -Import my certificate with AWS Certificate Manager
• AWS CloudFormation -AWS CloudFormation Web App Sample Template
• AWS CodeCommit -Note on connecting to AWS CodeCommit repository from Windows development environment
• AWS Textract -I tried to recognize the table with Amazon Textract
• AWS Fargate -Automating ECS Fargate deployment with CircleCI Orbs -Deploy ECS using Ruby aws-sdk * Sample code
• AWS WAF -Introduction of AWS WAF
• AWS Inspector -Introduction of AWS Inspector
• DynamoDB -Delete all records from DynamoDB -I wrote the import process to Amazon DynamoDB

Azure

• Tips -Start CentOS on Azure and install Docker -Azure Container Instances is easy if you just run the container in the cloud -Installation procedure of azure cli on CentOS -In Azure AD BtoB, what to do if the guest user does not have a sign-in history -How to troubleshoot when integrating Azure AD and enterprise application with SAML

Oracle Cloud

IBM Cloud

• Tips -How to access IBM Cloud (formerly SoftLayer) by VPN 2019 version

Active Directory

Cloud SQL

Cloud9

infrastructure

Blockchain

Ethereum

• Beginner -[Ethereum IDE] Run Remix locally + Synchronize with local folder -Translated Ethereum Beginners.

Hyperledger

Security

• Tips -Q & A about public key cryptography -Linux security measures for cloud infrastructure: Those that control the design also control the cloud

Machine learning

• Tips -[Voice learning] Deep learning vowels with Autoencoder and LSTM and playing with them

Natural language processing

Network

RPA

• Tips -[RPA] Initial settings to ensure screen operation -RPA starting with Automation Anywhere-From setup to Hello World!

CI

Docker

• Tips -Register Docker image in registry (including ECR) -Notes on building a Kali Linux environment using Docker -Build rails development environment with Docker (build multiple apps with reverse proxy) -Run a simple static page and a simple API server with Google Cloud Run -Let's run Laravel on Docker (without laradock) -AWS (ECS + RDS) + Circleci Understanding CI / CD (Information that beginners should input) ~ Terminology and Concept Understanding ~ -Autoware (1.9.1) Docker Setup -One-liner script to delete Docker images in bulk with Docker for Windows -How to start a local server with Laradock and display it in a browser -Build a Django and React environment on Docker -Create wordpress on mac with docker-compose

Heroku

VirtualBox

kubernetes

• Tips -Kubernetes event monitoring with kubectl CLI -Build a wordpress environment with kubernetes

OpenStack

• Tips -[OpenStack (stein) home trial] Windows 10 VirtualBox CentOS 7.6

Swagger

• Tips -Apicurio Studio was insanely excellent as an OpenAPI specification sharing platform -[For super beginners] You can try it in 5 minutes! OpenAPI (Swagger3.0) document creation-API automatic generation

AMP

OpenID

OAuth2.0

Elasticsearch

Linux

• Tips -Get login information using Web cloning on Kali Linux

Cent OS

Windows

Mac

Redis

• Beginner -Redis commentary for beginners by beginners

Google API

Google Apps Script

• Tools -Make a bot that will manage this heat! !! !! -GAS scraping sample

Google Cloud Platform

• Apps -Python x Cloud Functions x Firestore to easily create an API Pt3 deployment

Google Colaboratory

Google Cloud Data Catalog

Google Drive

VB.Net

Firebase

Server Side

CSS

BootStrap

WordPress

• Tips -Introduced VCCW to use WordMove (Windows10 / VirtualBox6 / Vagrant)

Develop

• Beginner -List of things that the frustrated thirty engineers did with momentum -I want to make some kind of product because I bit the programming # 2 -About the merits of engineers working at SES (SES light and darkness, the story of light)
• Tips -[The story of going to the Docker + k8s study session [JAZUG Women's Club x Java Women's Club] -Combine Postman and Newman to create automated tests for REST APIs to embed in CI / CD! -Thinking about how microservices can contribute to reducing development and operation costs -Policy memo to write the document in a text file -MkDocs that can create documents with Markdown is too convenient -Organization of SOLID Principles (Object-Oriented Design Principles)
• Tools -Leanpub has created an e-book version of the Laravel introductory tutorial. -10 development tools you didn't know you needed

Keras

PowerShell

• Tips -Full path, modification date, size, attribute quadruple! PowerShell script that continuously lists files on the file server

Vim

Atom

awk

LaTex

Redmine

• Beginner -Easy way to set up Redmine-Let's build Redmine on Windows ① Explanation with images-

UML

• Beginner -Write a design document (UML) in PlantUML

Raspberry

• Tips -Remote connection to Windows10 IoT Core (mouse operation only) -Use Rasapberry Pi login as key authentication method -Remote shooting with Raspberry Pi3 Model B and webcam -Shell script of "Making Raspberry Pi into ROM" -Launch a cloud server with Raspberry pi + Nginx + Nextcloud -Story of getting information from RSS and letting Raspberry Pi automatically tweet
• Apps -12th Let's make a surveillance camera with Raspberry Pi! ~ Video distribution (RTSP) ~ -SwitchBot / Raspberry Pi / SORACOM Air for Cellular "Robot that pushes buttons anywhere"

RPA

IoT

Alexa

Line

SharePoint

VBA

• Tips -Easy language processing for anyone with Excel (emotion estimation, named entity extraction, keyword extraction, sentence similarity estimation etc ...) -VBA for test automation and business efficiency

ShellScript

• Tips -Automation with shell script and Applescript

PowerShell

• Tips -How to execute commands remotely using PowerShell

Slack

• Tips -Setting procedure to receive coverage report notification from CircleCI in Slack

Nim

Emacs

WPF

UI

Ansible

Arduino

• Tips -Serial communication with Arduino and raspberry pi (USB) -Let's make a game machine with a 1480 yen microcomputer

Julia

Coral

ionic

• Tips -Smartphone application development with cordova 4

QRCode

OCR

EC-CUBE

• Beginner -[EC-CUBE4] ④ Prepare the development environment for the EC-CUBE main unit (Postgres, MailCatcher edition) -[EC-CUBE4] ⑤ Prepare the development environment for the EC-CUBE main unit (Xdebug, PhpStorm edition) -[EC-CUBE4] ⑥ Prepare the development environment for the EC-CUBE main unit (Codeception) -[EC-CUBE4] ⑦ Prepare the development environment for EC-CUBE (PHPUnit)

Qualification

• Tips -AWS Certified SysOps Administrator – Associate-related Japanese White Paper

Job change

• Tips -Q & A and countermeasures at the time of project interview (engineer edition)

update information

• Kotlin --Introduction to Kotlin -Chapter 1 First Kotlin Application -Chapter 2 Kotlin Grammar

• Android

  • Library -I tried using an animation library called "Before After animation".

• Java

  • Java 10 -[Java] Things to note about Java 10 extended type inference

• IDE

  • IntelliJ IDEA -[Development environment] Integrated development environment (IDE) in local environment: IntelliJ IDEA installation procedure -[Development environment] Integrated development environment (IDE) Japanese localization and customization of IntelliJ IDEA -[Development environment] [IntelliJ IDEA] Use LiveEdit to dynamically reflect HTML / CSS.