gaearon

function mapValues(obj, fn) {
  return Object.keys(obj).reduce((result, key) => {
    result[key] = fn(obj[key], key);
    return result;
  }, {});
}

function pick(obj, fn) {
  return Object.keys(obj).reduce((result, key) => {
    if (fn(obj[key])) {

Alrecenk

/* fast floating point exp function
 * must initialize table with buildexptable before using
 
Based on 
 A Fast, Compact Approximation of the Exponential Function
 Nicol N. Schraudolph 1999

Adapted to single precision to improve speed and added adjustment table to improve accuracy.
Alrecenk 2014

vicapow

This is an example of creating a PNG from an SVG. (You should notice that you're able to right click on the last image and save it as a PNG image.) It has been Tested in Firefox and Chrome but doesn't work in Safari as of 2014-07-20.

Normally, you'll create your SVG in D3 but to make the example a bit more readable, the SVG is already placed in the document. There are a few important points. Namely:

1. All the styles of the SVG need to be self contained in side of the <defs> tags. (These styles should be escaped using the <![[CDATA[ ... ]] tag.)
2. The SVG needs to have the proper namespaces and document types.
3. The SVG needs to be saved to an image, then read from an canvas element, then saved to an image again.

Note: Portions of this demo where taken from The New York Times' excellent Crowbar SVG extractor.

camertron

module BeforeMethodHook
  def before(*names)
    names.each do |name|
      m = instance_method(name)
      define_method(name) do |*args, &block|  
        yield self
        m.bind(self).call(*args, &block)
      end
    end
  end

jakl

USAGE

npm install

Add some twitter creds from apps.twitter.com

then

andreyvit

tmux cheat sheet

(C-x means ctrl+x, M-x means alt+x)

Prefix key

The default prefix is C-b. If you (or your muscle memory) prefer C-a, you need to add this to ~/.tmux.conf:

remap prefix to Control + a

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

michaelkirk

#!/bin/sh

#
# Too many crusty old git branches? Run this to find likely candidates for deletion
# It lists all the remote branches and sorts them by age.
# 
# Folks at pivotal shared this with me
#  
#$ . show-remote-branch-info.sh 
# 2012-05-04 09:42:29 -0700 4 minutes ago Ted & Bill \torigin/hey_Bill