uris77

• Move to previous function beginning-of-defun
• Move to next function next-defun where :

(defun next-defun ()
  (interactive)
  (end-of-defun 2)
  (beginning-of-defun 1))

• Repeat a character n times with C-u n <character>. For example, to insert ; 50 times:

uris77

Naive way to filter a list of maps in clojure:

(defn matches-addresses? [addresses]
  (fn [it]
    (lazy-seq  (loop [as addresses
                      acc [(quote or)]]
                 (if (seq (first as))
                   (recur (rest as) (conj acc (lazy-seq [(quote =) (first as) (get it :private-ip-address)])))
                   acc)))))

uris77

Clojure Destructuring Tutorial and Cheat Sheet

(Related blog post)

Simply put, destructuring in Clojure is a way extract values from a datastructure and bind them to symbols, without having to explicitly traverse the datstructure. It allows for elegant and concise Clojure code.

Vectors

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• Copy and paste a sexp:

;;; C-M-SPC (select sexp)
;;; C-w (copy
;;; C-y (to paste)
(defn some-func []
 ;;;
 )

uris77

var Twit = require('twit');
var config  = require('./config');

var T = new Twit(config);

var stream = T.stream('statuses/filter', {track: '#ngconf'});

stream.on('tweet', function(tweet) {
  console.log('Incoming Tweet');
  if(!tweet.in_reply_to_user_id && tweet.user.screen_name !== 'freethejazz') {

uris77

Class: Cmd + N
File: Cmd + Shift + N
Symbol: Cmd + Shift + Alt + N
Declaration: Cmd + B
Declared Type: Ctrl + Shift + B
View Implementation: Cmd + Alt + B
Surround With: Cmd + Alt + T
Debug: Shift + F9

uris77

(* I may be wrong. I'm still an ML newbie. *)
(* Example of something that does not require a unit test. This will only compile of the types align. Traditional TDD is a little *)
(* difficult to do with this. However, I think QuickCheck tests are more suited since it is purely functional. *)

fun similar_names(lst, full_name) = 
    let val {first=first_name, middle=middle_name, last=last_name} = full_name
    in
      let fun arrange(lst', acc) =
	  case lst' of
              [] => acc

uris77

@Cuda.module "Login", (Login, App, Backbone, Marionette, $, _) ->

  # Login Form
  class Login.Form extends Marionette.Layout
    initialize: (options) ->
      @model = new Backbone.Model({error: ""})
      @model.bind('change', @render)
      
    handleSubmit: ->
        $form = $(e.currentTarget)

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define([
    'jquery',
    'marionette',
    'models/product',
    'models/product_property_value',
    'models/product_property',
    'hbs!template/product_detail/detail',
    'hbs!template/product_detail/edit_string',
    'collections/product_property_values',
    'collections/newsfeed_items',

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	updateMessageFull: function(model) {
				var newModel = this.msgDetail.model;
				newModel.get('message').set({'id': model.get('id')});
				var promise = Q.when(newModel.fetch())
				getUserModel(model.get('id')).done(function(model){
				  this.msgDetail.setModel(newModel);
				});
				
			
		});