How to handle multiple JSON responses in Go

July 08, 2020

Introduction If your API returns a single type JSON, you can use https://mholt.github.io/json-to-go/. But, it gets tricky if there are…

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How to manage multiple workstations using Ansible.

March 14, 2020

Use Ansible Thanks to Kubernetes and GCP, I don't use Ansible as often as in the past. However, it's stil useful to manage multiple…

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Design Uber

March 14, 2019

이번에는 (간단한) 우버 (같은) 시스템 디자인을 정리해본다. 시스템 디자인 우선 시스템 디자인 방법론에 따라 시작하자 요구 사항을 정리한다. 유저가 ~을 할 수 있는가? ~ 기능이 필요한가? back of the envelope estimation…

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How to use a Map in ReasonML

November 03, 2018

Module Functor... In ReasonML, is a module functor. In OCAML, returns a module. It requires two parameters; And then creat an empty map…

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Implement a Trie

March 17, 2018

Trie 는 무엇인가? LeetCode 에서 풀어볼 수 있다. 전화번호부에 사람이름이 저장되어있다. 만약 LinkedList…

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