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add created_at and updated_at fields to mongoose schemas
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As of Mongoose 4.0 you can now set a timestamps option on the Schema to have Mongoose handle this for you:
var thingSchema = new Schema({..}, { timestamps: true });
You can change the name of the fields used like so:
var thingSchema = new...
How can I time a code segment for testing performance with Pythons timeit?
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280
You can use time.time() or time.clock() before and after the block you want to time.
import tim...
Do Java arrays have a maximum size?
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answered Jun 14 '10 at 18:26
Kevin BourrillionKevin Bourrillion
38k1212 gold badges6868 silver badges8383 bronze badges
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What is the Swift equivalent of isEqualToString in Objective-C?
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edited Apr 7 '19 at 21:06
answered Jun 7 '14 at 11:40
JJ...
Is it possible to register a http+domain-based URL Scheme for iPhone apps, like YouTube and Maps?
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answered Jul 10 '09 at 12:18
Nathan de VriesNathan de Vries
15.3k44 gold badges4747 silver badges5555 bronze badges
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Python name mangling
...ame, age):
self.name = name
self._age = age if age >= 0 else 0
@property
def age(self):
return self._age
@age.setter
def age(self, age):
if age >= 0:
self._age = age
else:
self._age = 0
What about t...
What are copy elision and return value optimization?
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Oct 18 '12 at 11:03
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Create Directory When Writing To File In Node.js
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Node > 10.12.0
fs.mkdir now accepts a { recursive: true } option like so:
// Creates /tmp/a/apple, regardless of whether `/tmp` and /tmp/a exist.
fs.mkdir('/tmp/a/apple', { recursive: true }, (err) => {
if (err) throw err;
});...
Add string in a certain position in Python
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answered Mar 10 '11 at 1:34
Ignacio Vazquez-AbramsIgnacio Vazquez-Abrams
667k127127 gold badges11911191 silver badges12501250 bronze badges
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Django template how to look up a dictionary value with a variable
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edited Sep 15 at 8:02
javidazac
1,33711 gold badge2121 silver badges3333 bronze badges
answered N...