lisaah’s gists

lisaah / convert_svg_to_pdf.sh

Created January 25, 2014 18:15

Simple shell script to convert all .svg in directory to .pdf

	# Dependency:
	# sudo apt-get install librsvg2-bin

	find . -type f -name "*.svg" -exec bash -c 'rsvg-convert -f pdf -o $0.pdf $0' {} \;

lisaah / convert_aiff_to_wav.bat

Last active November 11, 2022 15:47

Simple batch script to convert .aiff files in current directory into .wav and put them in a directory. Didn't feel like setting sox as an environment variable so it's called directly.

	@echo off
	REM Dependency:
	REM SoX: http://sox.sourceforge.net/

	mkdir converted_wav
	for %%f in (*.aiff) do (
	"C:\Program Files (x86)\sox-14-4-1\sox" %%~nf.aiff "converted_wav/%%~nf.wav"
	)
	pause

lisaah / nim_fun.py

Created February 20, 2014 00:20

	from random import choice

	'''
	Some quick code to try out applying Q-Learning to Nim game in Python.
	'''
	def get_best_action(q, s):
	'''
	Given the q table and state,
	pick the best action.
	'''

lisaah / rotateArray.js

Created May 18, 2014 16:03

	// Rotate an array to right by n.
	function rotate(a, n) {
	// Convert negative to positive.
	if (n < 0) n = ((n % a.length) + a.length);
	n = n % a.length;

	reverse(a, 0, a.length); // Move to bottom to reverse to the left.
	reverse(a, 0, n);
	reverse(a, n, a.length);
	}

lisaah / expand.js

Created April 26, 2015 16:28

Format a string by expanding values mapped with String values in a nested Object.

	/**
	* Expand a string using a supplied regex to denote the properties and a
	* possibly nested object to supply the values.
	*
	* inputString - The string to be formatted.
	* valuesObject - An Object holding either values stored as strings or other Objects
	* nestSeparator - The marker used to indicated a nested property
	* propRegex - Regex used to indicate the property in the inputString. Assumes the actual
	* key value will be indicated by using ().
	*

lisaah / changeLumosity.js

Last active December 24, 2015 19:27

Change the brightness/darkness for a 3 or 6 digit hex color by adding white/black. Input '#' is optional, returns in 6-digit format like so '#ffffff'.

	/**
	* Takes a decimal value and changes it by the specified percentage (based off of the distance
	* from 0 or 255, depending on whether the percentage change is negative or positive, respectively)
	* @param {Number} value - number from [0, 255]
	* @param {Number} percent - number from [0.0, 1.0]
	* @return {Number} - number from [0, 255]
	*/
	function updateValue(value, percent) {
	// Absolute distance from reference value
	var distance = percent > 0 ? (255 - value) : value;

Lisa Huynh lisaah