staltz

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

---

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

---

attentive

(ns leaflet-helloworld
  (:require [om.core :as om :include-macros true]
            [om.dom :as dom :include-macros true]))

(defn map-view [_ owner]
  (reify
    om/IRender
    (render [_]
      (dom/div #js {:id "the-map"} nil))
    om/IDidMount

tsiege

ANNOUNCEMENT

I have moved this over to the Tech Interview Cheat Sheet Repo and has been expanded and even has code challenges you can run and practice against!






\

allgress

(ns reagent-test.core
  (:require [reagent.core :as reagent :refer [atom]]
            [datascript :as d]
            [cljs-uuid-utils :as uuid]))

(enable-console-print!)

(defn bind
  ([conn q]
   (bind conn q (atom nil)))

javouhey

// A. Cannot use type switch outside of a switch statement

type PolarVortex interface {}                                                          
                                                                                       
func main() {                                                                          
  var p PolarVortex = new(PolarVortex)                                                 
  var s = p.(type) // compilation error => use of .(type) outside type switch  
}                   

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

heygarrett

" Set colorscheme to solarized
colorscheme solarized

" Change the Solarized background to dark or light depending upon the time of 
" day (5 refers to 5AM and 17 to 5PM). Change the background only if it is not 
" already set to the value we want.
function! SetSolarizedBackground()
    if strftime("%H") >= 5 && strftime("%H") < 17 
        if &background != 'light'
            set background=light

thijsc

def select_from_chosen(item_text, options)
  field = find_field(options[:from])
  option_value = page.evaluate_script("$(\"##{field[:id]} option:contains('#{item_text}')\").val()")
  page.execute_script("$('##{field[:id]}').val('#{option_value}')")
end

foca

module ValueObject
  def self.new(*attrs)
    klass = Class.new(Object)

    klass.send(:attr_reader, *attrs)

    klass.send(:define_method, :initialize) do |*args|
      raise ArgumentError, "wrong number of arguments (#{args.size} for #{attrs.size})" unless args.size == attrs.size
      attrs.each_with_index do |attr, idx|
        instance_variable_set("@#{attr}", args[idx])

taf2

--- a/load.c	2010-10-23 05:36:38.000000000 -0400
+++ b/patchload.c	2011-06-05 08:58:00.000000000 -0400
@@ -40,14 +40,6 @@
     VALUE ary;
     long i;
 
-    for (i = 0; i < RARRAY_LEN(load_path); ++i) {
-	VALUE str = rb_check_string_type(RARRAY_PTR(load_path)[i]);
-	if (NIL_P(str) || !rb_is_absolute_path(RSTRING_PTR(str)))
-	    goto relative_path_found;