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Jeremy Kim sungjk

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@jooyunghan
jooyunghan / monad-in-java.md
Last active November 17, 2023 04:54
ํ•œ๊ธ€๋ฒˆ์—ญ - Functor and monad examples in plain Java

Functor and monad examples in plain Java

์ด ๊ธ€์€ ์šฐ๋ฆฌ๊ฐ€ ์“ด ์ฑ…, 'Reactive Programming with RxJava' ์˜ ๋ถ€๋ก์ด์—ˆ๋‹ค. Reactive programming๊ณผ ๊ด€๋ จ์ด ๊นŠ์€ ์ฃผ์ œ๊ธด ํ•˜์ง€๋งŒ ๋ชจ๋‚˜๋“œ๋ฅผ ์†Œ๊ฐœํ•œ๋‹ค๋Š” ๊ฒŒ ์ฑ…๊ณผ ์ฉ ์–ด์šธ๋ฆฌ์ง€๋Š” ์•Š์•˜๋‹ค. ๊ทธ๋ž˜์„œ ๋‚˜๋Š” ๋”ฐ๋กœ ๋ธ”๋กœ๊ทธ์— ์˜ฌ๋ฆฌ๊ธฐ๋กœ ํ–ˆ๋‹ค. ํ”„๋กœ๊ทธ๋ž˜๋ฐ์„ ๋‹ค๋ฃจ๋Š” ๋ธ”๋กœ๊ทธ์—์„œ *"๋ฐ˜์€ ๋งž๊ณ  ๋ฐ˜์€ ํ‹€๋ฆด ์ง€ ๋ชจ๋ฅด๋Š” ๋‚˜๋งŒ์˜ ๋ชจ๋‚˜๋“œ ์„ค๋ช…"*์ด๋ž€ ๊ฒƒ์ด ์ƒˆ๋กœ์šด *"Hello World"*๋ผ๋Š” ์ ์„ ๋‚˜๋„ ์ž˜ ์•ˆ๋‹ค. ํ•˜์ง€๋งŒ ์ด ๊ธ€์€ ํŽ‘ํ„ฐ(functor)์™€ ๋ชจ๋‚˜๋“œ(monad)๋ฅผ ์ž๋ฐ” ์ž๋ฃŒ ๊ตฌ์กฐ์™€ ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๋ผ๋Š” ๊ฐ๋„์—์„œ ๋ฐ”๋ผ๋ณด๊ณ  ์žˆ์œผ๋ฉฐ, ์ด๋Š” ๊ณต์œ ํ•  ์ •๋„์˜ ๊ฐ€์น˜๋Š” ์žˆ์„๊ฑฐ๋ผ ์ƒ๊ฐํ–ˆ๋‹ค.

@subfuzion
subfuzion / curl.md
Last active May 31, 2025 17:08
curl POST examples

Common Options

-#, --progress-bar Make curl display a simple progress bar instead of the more informational standard meter.

-b, --cookie <name=data> Supply cookie with request. If no =, then specifies the cookie file to use (see -c).

-c, --cookie-jar <file name> File to save response cookies to.

@vasanthk
vasanthk / System Design.md
Last active June 6, 2025 09:47
System Design Cheatsheet

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

  1. Clarify and agree on the scope of the system
  • User cases (description of sequences of events that, taken together, lead to a system doing something useful)
    • Who is going to use it?
    • How are they going to use it?
@gokulkrishh
gokulkrishh / media-query.css
Last active June 2, 2025 17:09
CSS Media Queries for Desktop, Tablet, Mobile.
/*
##Device = Desktops
##Screen = 1281px to higher resolution desktops
*/
@media (min-width: 1281px) {
/* CSS */
@PurpleBooth
PurpleBooth / README-Template.md
Last active June 5, 2025 09:28
A template to make good README.md

Project Title

One Paragraph of project description goes here

Getting Started

These instructions will get you a copy of the project up and running on your local machine for development and testing purposes. See deployment for notes on how to deploy the project on a live system.

Prerequisites

@JamesMGreene
JamesMGreene / gitflow-breakdown.md
Last active June 6, 2025 14:36
`git flow` vs. `git`: A comparison of using `git flow` commands versus raw `git` commands.

Initialize

gitflow git
git flow init git init
ย  git commit --allow-empty -m "Initial commit"
ย  git checkout -b develop master

Connect to the remote repository

@rgreenjr
rgreenjr / postgres_queries_and_commands.sql
Last active June 5, 2025 12:35
Useful PostgreSQL Queries and Commands
-- show running queries (pre 9.2)
SELECT procpid, age(clock_timestamp(), query_start), usename, current_query
FROM pg_stat_activity
WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%'
ORDER BY query_start desc;
-- show running queries (9.2)
SELECT pid, age(clock_timestamp(), query_start), usename, query
FROM pg_stat_activity
WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%'