dypsilon

Frontend Development

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willurd

Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.

Discussion on reddit.

Python 2.x

$ python -m SimpleHTTPServer 8000

joshwand

require 'tumblr_client'
require 'mechanize'
require 'date'
require 'yaml'
require 'uri'

Tumblr.configure do |config|
  config.consumer_key = "consumer_key"
  config.consumer_secret = "consumer_secret"
  config.oauth_token = "oath_token"

creaktive

dergachev

OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

jboner

Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD

nicerobot

To run this, you can try:

curl -ksO https://gist.githubusercontent.com/nicerobot/2697848/raw/uninstall-node.sh
chmod +x ./uninstall-node.sh
./uninstall-node.sh
rm uninstall-node.sh

henrik

tmux cheatsheet

As configured in my dotfiles.

start new:

tmux

start new with session name:

Novum

// Reconstruct worldspace depth value from z/w depth buffer
float depth = -(z_near * z_far) / (zbuffer_depth * (z_far - z_near) - z_far);	

// Compute screenspace coordinate of pixel
float2 screenspace = (float2(pixel.xy) / float2(viewport_size.xy)) * 2.0f - 1.0f;

// Get direction of ray from camera through pixel	
float3 ray_direction = normalize(camera_forward + camera_right * screenspace.x - camera_up * screenspace.y);
	
// Reconstruct world position from depth: depth in z buffer is distance to picture plane, not camera

MicahElliott

#! /usr/bin/env python

""" Convert values between RGB hex codes and xterm-256 color codes.

Nice long listing of all 256 colors and their codes. Useful for
developing console color themes, or even script output schemes.

Resources:
* http://en.wikipedia.org/wiki/8-bit_color
* http://en.wikipedia.org/wiki/ANSI_escape_code