naiquevin

## Update! Found an alternative approach that's concise and feels much more idiomatic

def compose (f, g):
    return lambda x: f(g(x))

def comp(*args):
    return reduce(compose, args[1:], args[0])


def comp1(*args):

juliangruber

using level-sublevel, level-sec and validimir to have

• validations
• schema documentation
• schema enforcement
• index definitions

wsargent

303 See Other

Location: https://github.com/wsargent/docker-cheat-sheet

Hi there!

The docker cheat sheet has moved to a Github project under https://github.com/wsargent/docker-cheat-sheet.

Please click on the link above to go to the cheat sheet.

deoxxa

var decode = function decode(bytes) {
  var points = [];

  var i = 0, j = 0;
  while (i < bytes.length) {
    if ((bytes[i] & 0x80) === 0) {
      points.push(bytes[i] & 0x7f);
      i += 1;
    } else if ((bytes[i] & 0xE0) === 0xC0) {
      points.push(((bytes[i] & 0x1F) << 6) + (bytes[i+1] & 0x7f));

dandean

Install CouchDB (1.5)

$ brew install couchdb

It may throw an exception while compiling erlang. If so, you need to install a different gcc, reinstall erlang, then try the couchdb install again:

$ brew install apple-gcc42
$ brew reinstall -v --use-gcc erlang

Raynos

Virtual DOM and diffing algorithm

There was a [great article][1] about how react implements it's virtual DOM. There are some really interesting ideas in there but they are deeply buried in the implementation of the React framework.

However, it's possible to implement just the virtual DOM and diff algorithm on it's own as a set of independent modules.

rvagg

var request  = require('request')
  , json     = require('JSONStream')
  , through2 = require('through2')
  , csv      = require('csv-write-stream')
  , zlib     = require('zlib')
  , fs       = require('fs')

request({url: 'https://registry.npmjs.org/-/all'})
  .pipe(json.parse('*'))
  .pipe(through2.obj(function (data, enc, callback) {

zahradil

sudo apt-get install btrfs-tools

sudo su
mkdir /data
cd /data

# create 500 MB file
dd if=/dev/zero of=/data/datadisk  bs=1024  count=500000

# create btrfs

trevnorris

The prep-script.sh will setup the latest Node and install the latest perf version on your Linux box.

When you want to generate the flame graph, run the following (folder locations taken from install script):

sudo sysctl kernel.kptr_restrict=0
# May also have to do the following:
# (additional reading http://unix.stackexchange.com/questions/14227/do-i-need-root-admin-permissions-to-run-userspace-perf-tool-perf-events-ar )
sudo sysctl kernel.perf_event_paranoid=0

fabiokung

as a buildpack maintainer

$ git clone https://github.com/heroku/heroku-buildpack-ruby.git  # or any other buildpack
$ cd heroku-buildpack-ruby
heroku-buildpack-ruby $ cat Dockerfile
FROM fabiokung/heroku-buildpack-base

RUN DEBIAN_FRONTEND=noninteractive apt-get install -y -q ruby2.0
# more stuff specific to this buildpack...