freewayz

#After looking for a way to check if a model instance can be deleted in django , 
#i came across many sample, but was not working as expected. Hope this solution can help.

#Let start by creating an Abstract model class which can be inherited by other model

    class ModelIsDeletable(models.Model):
        name = models.CharField(max_length=200, blank=True, null=True, unique=True)
        description = models.CharField(max_length=200, blank=True, null=True)
        date_modified = models.DateTimeField(auto_now_add=True)
    

anthgur

(def views
  {:some-view SomeView
   :another-view AnotherView})

(def factories
  (map om/factory (vals views)))

(defui Router
  static om/Ident
  (ident [this {:keys [route]}]

leobm

(defn contextual-eval [ctx expr]
    (eval                                           
        `(let [~@(mapcat (fn [[k v]] [k `'~v]) ctx)] 
             ~expr)))
(defmacro local-context []
    (let [symbols (keys &env)]
        (zipmap (map (fn [sym] `(quote ~sym)) symbols) symbols)))
(defn readr [prompt exit-code]
    (let [input (clojure.main/repl-read prompt exit-code)]
        (if (= input ::tl)

markhepburn

// Clean up all those invasive and ugly utm_ parameters, so you can paste a url.
// (will reload the page, be warned)
(function(){
   var qs = window.location.search.slice(1).split('&'),
     newqs = [];
   for (var i = 0; i < qs.length; i++) {
     if (qs[i].slice(0,4)!='utm_') {
       newqs.push(qs[i]);
     }
   }

gist:476058

from django.core.exceptions import ValidationError
from django.db.models import Field, CharField

__all__ = ['MultiColumnField']

try:
    from hashlib import md5
except ImportError:
    from md5 import new as md5