大约有 44,000 项符合查询结果（耗时：0.0926秒） [XML]
NameError: name 'self' is not defined
...ot refer each other.
It's a common pattern to default an argument to None and add a test for that in code:
def p(self, b=None):
if b is None:
b = self.a
print b
share
|
improve th...
Java: Date from unix timestamp
...te((long)timeStamp);
From the documentation:
Allocates a Date object and
initializes it to represent the
specified number of milliseconds since
the standard base time known as "the
epoch", namely January 1, 1970,
00:00:00 GMT.
...
Best approach to remove time part of datetime in SQL Server
...total duration a million rows by some one with way too much time on their hands: Most efficient way in SQL Server to get date from date+time?
I saw a similar test elsewhere with similar results too.
I prefer the DATEADD/DATEDIFF because:
varchar is subject to language/dateformat issues
Example: ...
Django Forms: if not valid, show form with error message
...
@AlexanderSupertramp myForm is an instance of either forms.Form or forms.ModelForm, read about Django Forms
– Aamir Adnan
Mar 9 '15 at 17:54
...
Regular expression to check if password is “8 characters including 1 uppercase letter, 1 special cha
...
The regular expression you are after will most likely be huge and a nightmare to maintain especially for people who are not that familiar with regular expressions.
I think it would be easier to break your regex down and do it one bit at a time. It might take a bit more to do, but I am ...
Is there a built-in method to compare collections?
...tents of a couple of collections in my Equals method. I have a Dictionary and an IList. Is there a built-in method to do this?
...
Find commit by hash SHA in Git
...t in Git by a given hash, SHA. For example, if I have the "a2c25061" hash, and I need to get the author and the committer of this commit.
...
How do I deserialize a JSON string into an NSDictionary? (For iOS 5+)
...
Thanks...this one helped! and +1
– Jayprakash Dubey
Jan 27 '14 at 9:07
...
n-grams in python, four, five, six grams?
...parsity.
from nltk import ngrams
sentence = 'this is a foo bar sentences and i want to ngramize it'
n = 6
sixgrams = ngrams(sentence.split(), n)
for grams in sixgrams:
print grams
share
|
imp...
Rails 3.1: Engine vs. Mountable App
Can someone help me understand the differences between a Rails Engine and a Mountable app? In Rails 3.1, you can create either one with the "rails new plugin ___ " command.
...