Kaziu

🇯🇵 🖥 Frontend Engineer 🌉 Experience Backend as well ✈ backpacker

🇵🇱 or 🇯🇵 Joined on Aug 12, 2019 https://kaziu.jp

Work

Frontend engineer

Kaziu

Nov 20

Modal with ReactDOM.createPortal

#react

1 min read

Want to connect with Kaziu?

Create an account to connect with Kaziu. You can also sign in below to proceed if you already have an account.

Create Account

Already have an account? Sign in

Kaziu

Nov 18

define type of 'hoge_hoge_1' in typescript

#typescript

1 min read

Kaziu

Dec 6 '23

Explain what is higher order function by Pikachu

#javascript #beginners

1 min read

Kaziu

Dec 2 '23

What is "return" in useEffect

#javascript #react

1 min read

Kaziu

Aug 3 '23

Difference between Logical OR (||) and Nullish coalescing operator(??)

#javascript

1 min read

Kaziu

Apr 25 '23

17 Frontend code reviews in real project (react, typescript)

#javascript #typescript #beginners #react

5 min read

Kaziu

Mar 11 '23

I wanna make CPU slower than default setting in chrome devtool 😣!

1 min read

Kaziu

Jan 23 '23

I've just created simple frontend Todo app with clean architecture

#javascript #typescript #architecture

1 min read

Kaziu

Jan 2 '23

😅 スクロールで動かなくなります！をどうやってchrome dev tool使用してfrontの問題を解決したのか

#javascript

2 min read

Kaziu

Dec 11 '22

📦 loop and block scope. difference between var and const with image

#javascript

1 min read

Kaziu

Dec 10 '22

🤔 For what prototype??

#javascript

1 min read

Kaziu

Dec 10 '22

🌀 Iterator and Generator

#javascript

2 min read

Kaziu

Sep 28 '22

Closure + Arrow function = extremely short

#javascript #beginners

1 min read

Kaziu

Sep 26 '22

Destructuring assignment in javascript

#javascript #beginners

2 min read

Kaziu

Sep 25 '22

👀 var, let, const in javascript . just 30sec

1 min read

Kaziu

Sep 25 '22

Hoisting in javascript. Magic of declare order

#javascript #beginners

1 min read

Kaziu

Sep 24 '22

😎 imposter of "this". apply(), call(), bind()

#javascript #beginners

2 min read

Kaziu

Sep 22 '22

"Object.assign". It's easier than you think

#javascript #beginners

2 min read

Kaziu

Sep 22 '22

{} === {} is false... 😳WHaT?? Let me explain it with image 🖼

#javascript #beginners

1 min read

Kaziu

Sep 18 '22

🏄‍♂️ DNS record : A, MX, CNAME, TXT

1 min read

Kaziu

Sep 16 '22

SOLID : Dependency Inversion

#typescript #architecture #programming

1 min read

Kaziu

Sep 13 '22

SOLID : Interface Segregation

#programming #typescript #architecture

3 min read

Kaziu

Sep 12 '22

SOLID : liskov substitution

#typescript #programming #architecture

2 min read

Kaziu

Sep 11 '22

SOLID : Open closed principle, explain simply

#programming #typescript #architecture

2 min read

Kaziu

Sep 4 '22

"😭 Escape from crazy boy friend!" explain Dependency Injection simplest way

#javascript #beginners #programming

1 min read

Kaziu

Sep 2 '22

Solve frontend performance problem by chrome dev tool in real project (ag-grid)

#javascript #performance #frontend

3 min read

Kaziu

May 18 '22

😇 "Javascript Closure" I think you can get what it is finally after reading this

#javascript #beginners #frontend #programming

2 min read

Kaziu

May 7 '22

Getting understand "useReducer in React" from real life sample

#javascript #react #beginners #frontend

1 min read

Kaziu

May 7 '22

📖 History of "Stop unnecessary re-rendering component in React !!"

#react #javascript #frontend

203

3 min read

Kaziu

Apr 22 '22

How to resolve N+1 problem on Rails

#rails #sql #performance #ruby

2 min read

Kaziu

Apr 19 '22

🤨⁉ How do you manage about picture file size in your company?

#discuss #webdev #productivity #performance

1 min read

Kaziu

Apr 18 '22

📖 My Linux commands diary

#linux #beginners

1 min read

Kaziu

Apr 15 '22

"Why only my friend's PC doesn't change CSS 😱" ~Real story on my project~

#css #network #aws #cdn

1 min read

Kaziu

Apr 3 '22

😈 Let's run deadlock manually ! [SQL]

#mysql #sql #database #beginners

1 min read

Kaziu

Apr 3 '22

🤹‍♀️ SELECT ORDER [SQL]

#sql #mysql #database #beginners

1 min read

Kaziu

Apr 3 '22

🤠 Group by, Having, Join, View, Sub query, Scala sub query, Case [SQL]

#sql #mysql #database #beginners

3 min read

Kaziu

Apr 1 '22

🤨 What is N+1 problem?

#sql #beginners #database #mysql

1 min read

Kaziu

Apr 1 '22

🤔 What is Database Index?

#database #sql #beginners #mysql

2 min read

Kaziu

Mar 30 '22

☘ How to replace from "new line" to "; new line" on Mac vim

1 min read

Kaziu

Mar 30 '22

🤨 How to change character code on Mac?

#linux #vim #beginners

1 min read

Kaziu

Mar 20 '22

👀 Everyone likes fast website! How? "Frontend performance tips"

#frontend #beginners #performance

5 min read

Kaziu

Mar 18 '22

⏰ How to measure frontend performance?

2 min read

Kaziu

Mar 18 '22

🏋 "RAIL", Important way of thinking about frontend performance

#javascript #beginners #frontend #performance

2 min read

Kaziu

Mar 16 '22

🏗 Structure of browser rendering engine

#javascript #beginners #performance #frontend

2 min read

Kaziu

Mar 14 '22

🍌 Cache. React performance with react-query

#javascript #beginners #react #frontend

2 min read

Kaziu

Feb 18 '22

🌎 My backpacker's 3D MOVING earth portfolio [Next.js/Three.js]

#nextjs #typescript #threejs #react

1 min read