qoelet

class Foo(object):
    def __init__(self, f):
        self.f = f

    def __call__(self, *args):
        self.f(*args)

@Foo
def dec_me(str):
    print "hello %s!" % str

qoelet

ghci> max 1 3
3

ghci> let x = max 6

ghci> x 9
9

ghci> x 3
6

qoelet

## {{{ http://code.activestate.com/recipes/52549/ (r3)
class curry:
    def __init__(self, fun, *args, **kwargs):
        self.fun = fun
        self.pending = args[:]
        self.kwargs = kwargs.copy()

    def __call__(self, *args, **kwargs):
        if kwargs and self.kwargs:
            kw = self.kwargs.copy()

qoelet

results = SomeModel.objects.filter(somefield__isnull=True).order_by("?")[:5]

qoelet

# within the template, the sort doesn't work.
myField = forms.ModelChoiceField(myModel.objects.all().order_by('name'), empty_label="please select an option")

# but this works.
myField = forms.ModelChoiceField(myModel.objects.order_by('name'), empty_label="please select an option")

qoelet

def freeze_apps(apps):
    """
    Takes a list of app labels, and returns a string of their frozen form.
    """
    if isinstance(apps, basestring): # @kenny: checks that the passed in arg is str/unicode 
        apps = [apps] # if 'apps' is a str/unicode, convert to list
    frozen_models = set()
    # For each app, add in all its models
    for app in apps:
        for model in models.get_models(models.get_app(app)):

qoelet

<select>
    <option value="1">Original Field Name</option>
    <!-- etc -->
</select>

<!-- TO -->

<select>
    <option value="1">Customized Name</option>
</select>

qoelet

$('#id_form_field_example')[0].options[1].text = 'Custom Name';

qoelet

class MyCustomModelChoiceField(ModelChoiceField):
    def label_from_instance(self, obj):
        mapping = {
          "A1": "B1",
          "A2": "B2",
          # ... etc
        }
        if obj.name in mapping.keys():
            return "New type - %s" % (mapping[obj.name])
        else:

qoelet

import time
from collections import deque

def normal_list(d):
    start = time.time()
    r = []
    for i in d:
        r.append(i)
    end = time.time()
    print "normal:"