Karl Kwon kyeongan

kyeongan / gif_to_mp4_1x.sh

Created April 23, 2025 02:10

	#!/bin/bash

	# gif_to_mp4_5x.sh
	# Convert GIF to 5x speed MP4 using ffmpeg.

	INPUT="$1"
	BASENAME=$(basename "$INPUT" .gif)
	SPEED=1
	PTS=$(awk "BEGIN{print 1/$SPEED}")
	WIDTH=1000 # Desired output width (px)

kyeongan / make_gif_5x.sh

Created April 23, 2025 01:27

Shell script to convert .mov video files into 5x speed, optimized GIFs using ffmpeg with palette generation for quality and size efficiency.

	#!/bin/bash

	# make_gif_5x.sh
	# Convert a .mov file into an optimized 5x speed animated GIF using ffmpeg and palette method.

	# Usage:
	# ./make_gif_5x.sh input.mov

	INPUT="$1"
	BASENAME=$(basename "$INPUT" .mov)

kyeongan / ffmpeg commend

Last active April 23, 2025 00:57

Video to GIFs using FFmpeg (ffmpeg commend)

	# ffmpeg commend for generating gif

	brew install ffmpeg imagemagick

	ffmpeg -i input.mov -vf scale=1000:-1 -r 10 -f image2pipe -vcodec ppm - \| convert -delay 5 -loop 0 - output.gif

kyeongan / .zshrc

Last active April 16, 2025 16:27

Zsh config

	# Load Homebrew environment variables
	export HOMEBREW_NO_INSTALL_CLEANUP=1
	eval "$(/opt/homebrew/bin/brew shellenv)"

	export GREP_OPTIONS='--color=auto'

	# Optimize History Behavior
	setopt HIST_IGNORE_ALL_DUPS # Ignore duplicates in history
	setopt HIST_SAVE_NO_DUPS # Do not write duplicate commands to history
	setopt HIST_REDUCE_BLANKS # Remove unnecessary spaces in commands

kyeongan / config

Created January 13, 2020 03:11

ssh config

kyeongan / .bashrc

Last active November 1, 2019 17:07

Bash config

	export CLICOLOR=1
	export LSCOLORS=ExFxBxDxCxegedabagacad
	export HISTSIZE=10000

	export PS1="\[\e[0;33m\]\u\[\e[0m\]@\[\e[0;32m\]\h\[\e[0m\]:\[\e[0;34m\]\w\[\e[0m\]\$ "

	# PATH
	export PATH=/Users/kkwon/Library/Python/2.7/bin:$PATH
	export PATH="~/Downloads/applications/Sublime Text.app/Contents/SharedSupport/bin":$PATH
	export PATH="~/Downloads/applications/Visual\ Studio\ Code.app/Contents/Resources/app/bin":$PATH

kyeongan / minesweeper.py

Created March 7, 2019 15:50

minesweeper board generation and bomb generation.

	import numpy as np;

	ROW_COUNT = 5
	COL_COUNT = 5
	BOMES_COUNT = (ROW_COUNT * COL_COUNT) / 4

	def create_board():
	"""
	create a board
	"""

kyeongan / search_value_in_2d_array.py

Last active February 1, 2019 22:01

Write a function to return True or False if the target value is in the 2d array.

	# Write a function to return True or False if the target value is in the 2d array.

	data = [
	[1, 3, 5, 7, 9, 10],
	[3, 4, 6, 9, 10, 13],
	[6, 8, 10, 12, 14, 16],
	[10, 12, 14, 16, 18, 20],
	[22, 23, 24, 25, 26, 27]
	]

kyeongan / minimumMovement.js

Created January 24, 2019 20:30

	function minimumMovement(obstacleLanes) {
	// Write your code here
	// console.log(obstacleLanes)
	let currentLine = 2;
	let total_move = 0;
	var len = obstacleLanes.length;
	var i = 0
	for (i = 0; i < len; i++) {

	let element = obstacleLanes[i]

kyeongan / init.coffee

Last active March 16, 2017 18:29

automatic update by http://atom.io/packages/sync-settings

# initialization file (not found)