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@hawkins
hawkins / screen.js
Created January 16, 2017 06:22
Node.js blessed screen - keep your output separate from your input!
/*
* I've used blessed to create a textbox at the bottom line in the screen.
* The rest of the screen is the 'body' where your code output will be added.
* This way, when you type input, your program won't muddle it with output.
*
* To try this code:
* - $ npm install blessed --save
* - $ node screen.js
*
* Key points here are:
@olih
olih / jq-cheetsheet.md
Last active July 13, 2024 12:46
jq Cheet Sheet

Processing JSON using jq

jq is useful to slice, filter, map and transform structured json data.

Installing jq

On Mac OS

brew install jq

@piercus
piercus / wav_lowpass_example.py
Created March 12, 2016 22:06
python lowpass example
import matplotlib.pyplot as plt
import numpy as np
import wave
import sys
import math
import contextlib
fname = 'test.wav'
outname = 'filtered.wav'
@tskaggs
tskaggs / OSX-Convert-MOV-GIF.md
Last active May 6, 2024 13:07
Creating GIFs from .MOV files in OSX using FFmpeg and ImageMagick

Convert MOV to GIF using FFmpeg and ImageMagick

I tried a few different techniques to make a GIF via command-line and the following gives me the best control of quality and size. Once you're all setup, you'll be pumping out GIFs in no time!

Preparation

Install FFmpeg

  • $ brew install ffmpeg [all your options]
    • Example: $ brew install ffmpeg --with-fdk-aac --with-ffplay --with-freetype --with-frei0r --with-libass --with-libvo-aacenc --with-libvorbis --with-libvpx --with-opencore-amr --with-openjpeg --with-opus --with-rtmpdump --with-schroedinger --with-speex --with-theora --with-tools

Install ImageMagick

@csanz
csanz / encrypt_decrypt.js
Created August 30, 2011 16:06
Simple String Encryption & Decryption with Node.js
function encrypt(text){
var cipher = crypto.createCipher('aes-256-cbc','d6F3Efeq')
var crypted = cipher.update(text,'utf8','hex')
crypted += cipher.final('hex');
return crypted;
}
function decrypt(text){
var decipher = crypto.createDecipher('aes-256-cbc','d6F3Efeq')
var dec = decipher.update(text,'hex','utf8')