joppot

コピペで絶対動く。説明を妥協しない

React creates dummy data using Faker.js

Abstract Hello everyone it’s me candle. Let’s try to use Faker.js in React. I think that there are various purposes for using Faker.js. In many cases you will use it for testing, but this time I’d like to create a dummy react state using Faker.js. Condition You have a basic react skill create-react-app was installed Create new project First of all, create a react project. Execute the below command in your favorite directory and create a new react project. create-react-app faker-demo cd faker-demo Installation of faker Install faker with this coommand. yarn add –dev faker it’s over. Generate dummy data …

With nodenv, upgrade installation list and node version.

2018/11/07   -mac
 

Abstract Hello everyone I’m candle. In this time I will show you how to update nodenv installation list and node version. The development of node is very active and the version of node will advance quickly. Let’s update node version using nodenv. Condition You have installed nodenv by brew. Upgrade nodenv installation list The installation list of the old nodenv becomes old with the passage of time. Even if you run this command, the latest node may not be displayed. nodenv install –list This is because the list information that node-build has is out of date. So we will upgrade …

How to use f.lux, blue light cut software

2018/11/05   -mac, ソフトウェア

Abstract Hello everyone. In this time I will explain how to use f.lux. f.flux can reduce the amount of blue light as much as possible. f.lux can adjust the blue light cut rate with the seek bar. Please try using it. Condition You use Mac or Windows I will explain it in Mac PC. Download f.lux Go to the blew site. http://justgetflux.com/ Click the center “Download f.lux” button. Once you have downloaded the zip file, let’s double-click it and extract it. Since The executable file is expanded in the download folder, move it to the Application folder. It’s over. Use …

How to install and manage fonts of mac using brew-cask-fonts

2018/11/05   -mac
 

Abstract Hello everyone it’s me candle. In this article, I will show you how to install and manage fonts of mac using brew-cask-fonts. In general, font of mac is managed using an application called Font Book. It is certainly convenient, but it takes a lot of time to install. Anyway, the way of font distribution is not only Github, font is located in various places such as individual sites and DropBox. So, the procedure of introduction is often different for each fonts. On the other hand, programmers are generally lazy people by a good meaning, so fonts installation will be …

Hide Google Chrome 70 “For quick access, place your bookmarks …” bar

2018/11/02   -ソフトウェア

Abstract Hello everyone it’s me candle. I usually use Safari. Sometimes using Google Chrome, I forget how to turn off the bookmark bar. First I will write two important things. Google Chrome 70 turn off the book mark bar by default. In the top page of Google Chrome 70, the bookmark bar is definitely displayed Condition You use Google Chrome Turn off it Open Google Chrome, choose “Settings” from the menu icon in the top right. If you turn off “Show bookmarks bar” in the second “Design” area from the top, bookmark bar disappears. It’s over Conclusion Simple is best.

4 functions of scikit-learn preprocesses data such as machine learning

Abstract Hello every one this is candle. In this time we will prreprocess a data with scikit-learn which is machine learning library of python. We will use scikit-learn called With scikit-learn you can use what is called a converter, and you can convert the input data with fit_transform () method.Since there are many converters, I will introduce the following four converters that are often used in machine learning. Imputer StandardScaler MinMaxScaler OneHotEncorder Condition Python3 scikit-learn 0.19.1 For running sample code, you need numpy aside from these libs.

Using sphinx how to generate documents of python classes and functions

2018/03/31   -プログラミング
 

Abstruct Hello everyone it’s me candle. In this article I will explain how to make documents about classes and functions with Sphinx automatically. condition I will explain it using Python 3, but I think that it will probably work with python 2 as well. Prepare test files Create a main.py and dog.py. touch main.py dog.py Write this to the main.py from dog import Dog def main(): dog = Dog() dog.show_name() if __name__ == "__main__": main() Open the dog.py and write it. class Dog(object): def __init__(self, name="bob"): self.name = name def bark(): print("Bow Wow") def show_name(self): print(self.name) def get_name(self): return self.name …

Using vc to manage git on emacs25

2018/02/04   -ソフトウェア
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Abstract Hello everyone it’s me candle. In this article we would like to use vc(version controll) which is included by deault in emacs. It seems that vc supports to both subversion and git, not git-specific functions. If you want to use git with emacs in earnest, I recommend magit. On the other hand, since vc is installed in by default, it is good for user who want to use it easily. Precondition You use emacs You have a basic git skill. vc-git configuration of emacs Although vc supports to git, ‘git add’ and ‘git reset HEAD’ do not exist. I …

Create plantUML with emacs using plantuml-mode

Autumn leaves on wood table Abstract Hello everyone it’s me candle. In this time, we will introduce plantuml-mode of emacs supporting plantUML. plantuml-mode has three functions. Syntax highlight Autocomplete Display UML preview There are plenty of settings, so let’s do it patiently. Precondition You had plantuml command I installed plantuml with brew. but it is ok you prepare jar file. If you don’t have it yet, please refer to here. Build PlantUML environment on Mac using brew Install plantuml-mode The latest version of plant-mode is not yet registered in el-get packages, so we will get it from github directly. For …

Build PlantUML environment on Mac using brew

2017/10/26   -mac, ソフトウェア
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Abstract Hello everybody it’s me candle. In this article, I would like to build a plantUML environment which can make UML easily on Mac. I have been used starUML for making UML. plantUML seems to be much more useful than that. Precondition You already use brew. Check java version I think that java is already installed in your mac pc. PlantUML can be run with mac default java. So you launch terminal app and check the java version with the below command. java -version Probably it can be work in java version around 1.8.x . Install graphviz graphviz is a …

Connect to host mysql from docker container of “docker for Mac”

2017/09/15   -ソフトウェア
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Abstract Hello everyone it’s me candle. In this post I will show you how to connect to the host mysql from the docker container of mac. For example, you may connect to mysql when running rails, wordpress etc on docker. You may prepare docker of mysql, but it can’t hold data, it is troublesome such as startup time. Then I think that it is very useful if docker can access to the host mysql. Precondition You use docker for mac

Allocate lo0 IP address using Mac login hook automatically

2017/09/14   -ソフトウェア
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Abstract Hello everyone it’s me candle. In this time we would like to use the login hook of Mac and automatically allocate the local ip address. You can use the default 127.0.0.1 lolcal IP address on your Mac. However when using it with docker, you need to prepare other local IP address separately. Precondition You use Mac.


I work in the venture company as a CTO. I start to write program in University, first I learned java, C++ and PHP. In the company, I'm developing web services by Rails. I do like to automation.