大约有 21,000 项符合查询结果(耗时:0.0343秒) [XML]
Items in JSON object are out of order using “json.dumps”?
...this we get:
>>> import OrderedDict
>>> unordered={"id":123,"name":"a_name","timezone":"tz"}
>>> ordered = OrderedDict.OrderedDict( [("id",123), ("name","a_name"), ("timezone","tz")] )
>>> e = OrderedJsonEncoder()
>>> print e.encode( unordered )
{"timezo...
How can I call controller/view helper methods from the console in Ruby on Rails?
...the helper object:
$ ./script/console
>> helper.number_to_currency('123.45')
=> "R$ 123,45"
If you want to use a helper that's not included by default (say, because you removed helper :all from ApplicationController), just include the helper.
>> include BogusHelper
>> helper...
How should I write tests for Forms in Django?
...
https://docs.djangoproject.com/en/stable/topics/testing/tools/#django.test.SimpleTestCase.assertFormError
from django.tests import TestCase
class MyTests(TestCase):
def test_forms(self):
response = self.client.p...
How can I update NodeJS and NPM to the next versions?
... ever a bug in the update command.) In those cases, you can do this:
curl https://www.npmjs.com/install.sh | sh
To update Node.js itself, I recommend you use nvm, the Node Version Manager.
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How to convert JSON data into a Python object
...ace
data = '{"name": "John Smith", "hometown": {"name": "New York", "id": 123}}'
# Parse JSON into an object with attributes corresponding to dict keys.
x = json.loads(data, object_hook=lambda d: SimpleNamespace(**d))
print(x.name, x.hometown.name, x.hometown.id)
OLD ANSWER (Python2)
In Python2, ...
How to SSH to a VirtualBox guest externally through a host? [closed]
... I prefer to link to Internet Archive: web.archive.org/web/20160523035053/https://muffinresearch.co.uk/… - web.archive.org/web/20170701174835/http://christophermaier.name/… is another good explanation.
– Ben Creasy
Jul 22 '17 at 23:53
...
How long does it take for GitHub page to show changes after changing index.html
...t version of your pages by appending a version in the query string such as https://username.github.io/awesome-repo/?version=f36af92 so that you won't get a cached version of your page.
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How to remove non-alphanumeric characters?
...ring);
It select all not A-Z, a-z, 0-9 and delete it.
See example here: https://regexr.com/3h1rj
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what is faster: in_array or isset? [closed]
...e, you can check out the compiled version of your script:
echo isset($arr[123])
compiled vars: !0 = $arr
line # * op fetch ext return operands
-----------------------------------------------------------------------------
1 0 > ZEND_ISSET_ISEMPTY_...
What is Normalisation (or Normalization)?
...ase that usually contains family members
id, name, address
214 Mr. Chris 123 Main St.
317 Mrs. Chris 123 Main St.
could be normalized as
id name familyID
214 Mr. Chris 27
317 Mrs. Chris 27
and a family table
ID, address
27 123 Main St.
Near-Complete normalization (BCNF) is usually not used...
