大约有 9,000 项符合查询结果（耗时：0.0304秒） [XML]
MongoDB/NoSQL: Keeping Document Change History
...
For users of Python (python 3+, and up of course) , there's HistoricalCollection that's an extension of pymongo's Collection object.
Example from the docs:
from historical_collection.historical import HistoricalCollection
from pymongo i...
Can I have an IF block in DOS batch file?
... msg * with any othe operation...
goto Continue1
)
:Continue1
If exist "C:\Python31" (
msg * 2nd line WORKS FINE rem You can relpace msg * with any othe operation...
goto Continue2
)
:Continue2
If exist "C:\Python31\Lib\site-packages\PyQt4" (
msg * 3th line WORKS FINE rem You can relpace msg *...
Why is exception handling bad?
...either culture-specific (maybe more of a problem in Java or C++ than, say, Python) or domain-specific.
– ddaa
Nov 16 '09 at 10:24
39
...
What are the key differences between Apache Thrift, Google Protocol Buffers, MessagePack, ASN.1 and
...ited in terms of languages supported out of the box (it only supports C++, Python and Java) but it does have a lot of third-party support for other languages (of highly variable quality). Google does pretty much all of their work using Protocol Buffers, so it is a battle-tested, battle-hardened pro...
Best practice for Django project working directory structure
...usually edited by people, who doesn't care about project code
structure or python at all. If you are full-stack developer working alone or
in a small team, you can create per-app templates/static directory. It's really just a matter of taste.
The same applies for locale, although sometimes it's conv...
Algorithm for classifying words for hangman difficulty levels as “Easy”,“Medium”, or “Hard”
...ttempt!)
4. Implementation
Here's an implementation of this algorithm in Python:
from collections import defaultdict
from string import ascii_lowercase
def partition(guess, words):
"""Apply the single letter 'guess' to the sequence 'words' and return
a dictionary mapping the pattern of o...
Flask vs webapp2 for Google App Engine
...k message flashing fails across redirects, and How do I manage third-party Python libraries with Google App Engine? (virtualenv? pip?) for issues people have had with Flask and Google App Engine.
share
|
...
What is the difference between class and instance attributes?
....
* The confusion for people coming from a language like C++ is that in Python, values aren't stored in variables. Values live off in value-land, on their own, variables are just names for values, and assignment just creates a new name for a value. If it helps, think of each Python variable as a ...
Graph Algorithm To Find All Connections Between Two Arbitrary Vertices
...o be broken, let me provide one that actually works.
I've written this in Python, because I find it pretty readable and uncluttered by implementation details (and because it has the handy yield keyword for implementing generators), but it should be fairly easy to port to other languages.
# a gen...
What is the difference between JSON and Object Literal Notation?
...are typically language-independent, meaning they can be processed by Java, Python, JavaScript, PHP, you name it.
In contrast, JavaScript is a programming language. Of course JavaScript also provides a way to define/describe data, but the syntax is very specific to JavaScript.
As a counter example,...