hallettj

/*
 * Example of a state monad in use.  This is adapted from an example on
 * the Haskell Wiki:
 * http://www.haskell.org/haskellwiki/State_Monad#Complete_and_Concrete_Example_1
 */
require(['state', 'qunit'], function(state, qunit) {

    /*
     * playGame() is a recursive function that given an array of moves
     * defines an algorithm for constructing a final game score.  Along

hallettj

(function(mod) {
  if (typeof exports == "object" && typeof module == "object") return mod(exports); // CommonJS
  if (typeof define == "function" && define.amd) return define(["exports"], mod); // AMD
  mod(self.acorn || (self.acorn = {})); // Plain browser env
})(function(exports) {
  "use strict";

  exports.version = "0.2.0";

  /* ... */

hallettj

; A monad comprehension is a syntactic construct that translates
; synchronous-looking code into a callback-based implementation.  Monads
; are a very general abstraction - which means that monad comprehensions
; have more expressive power than other sync-to-async code
; transformations.

; Here is an example that uses jQuery's $.get method to fetch resources:

(def post-with-author (id)
  (for

hallettj

Mori is not an island

http://swannodette.github.io/mori/

Persistent data structures

var emptyVec = mori.vector();

var nonEmpty = mori.conj(emptyVec, 1, 2, 3, 4);

hallettj

2013-09-16 07:21:40,143 INFO  com.buddycloud.mediaserver.Main - buddycloud Media Server HTTP server started! 
2013-09-16 07:21:41,481 ERROR com.buddycloud.mediaserver.Main - Media Server XMPP Component could not be started. 
org.xmpp.component.ComponentException: java.io.EOFException: input contained no data
        at org.jivesoftware.whack.ExternalComponent.connect(ExternalComponent.java:267) ~[whack.jar:na]
        at org.jivesoftware.whack.ExternalComponentManager.addComponent(ExternalComponentManager.java:211) ~[whack.jar:na]
        at org.jivesoftware.whack.ExternalComponentManager.addComponent(ExternalComponentManager.java:191) ~[whack.jar:na]
        at com.buddycloud.mediaserver.Main.createXMPPComponent(Main.java:138) ~[buddycloud-media-server-0.1.jar:na]
        at com.buddycloud.mediaserver.Main.startXMPPToolBox(Main.java:105) ~[buddycloud-media-server-0.1.jar:na]
        at com.buddycloud.mediaserver.Main.main(Main.java:51) ~[buddycloud-media-server-0.1.jar:na]
Caused by: java.io.EOFException: in

hallettj

Functional data structures in JavaScript with Mori

http://swannodette.github.io/mori/

the basic immutable structure: list

var l0 = mori.list(3, 4, 5);

var l1 = mori.cons(2, l0);

hallettj

var fs = require('fs');
var exec = require('child_process').exec;

var templ_ = fs.readFileSync('package.json.template', { encoding: 'UTF-8' });
var templ  = JSON.parse(templ_);

var deps = {};
exec("npm search substack | grep '=substack' | awk '{ print $1 }'", function(err, stdout) {
    var lines = stdout.toString('UTF-8');
    lines.split("\n").forEach(function(line) {

hallettj

import Control.Applicative ((<$>), (<*>))
import Control.Concurrent.Async (Concurrently(..), runConcurrently)
import Data.Monoid (Monoid, (<>), mappend, mempty)

instance (Monoid a) => Monoid (IO a) where
    mappend x y = runConcurrently $ (<>) <$> Concurrently x <*> Concurrently y
    mempty = return mempty

-- example:
action = getLine <> getLine

hallettj

!
! Invert number row
!
! This changes the behavior of keys in the number row, but does not
! affect the number pad.
!
keycode  10 = exclam 1 1 exclam
keycode  11 = at 2 2 at
keycode  12 = numbersign 3 3 numbersign
keycode  13 = dollar 4 4 dollar

hallettj

# open vim in a new split
bind e split-window -h -c "#{pane_current_path}" sensible-editor

# shortcuts for common git operations
bind g split-window -h -c "#{pane_current_path}" 'GIT_PAGER="less -+F" git lg'
bind D split-window -h -c "#{pane_current_path}" 'GIT_PAGER="less -+F" git diff'
bind C split-window -h -c "#{pane_current_path}" 'GIT_PAGER="less -+F" git diff --cached'
bind A split-window -h -c "#{pane_current_path}" 'git add -p'