大约有 47,000 项符合查询结果（耗时：0.0561秒） [XML]
Formatting “yesterday's” date in python
...
406
Use datetime.timedelta()
>>> from datetime import date, timedelta
>>> yester...
How do I find out which process is locking a file using .NET?
...
answered Nov 25 '08 at 11:48
oriporip
63.3k2020 gold badges110110 silver badges144144 bronze badges
...
Is there an expression for an infinite generator?
...gument iter = zero-argument callable + sentinel value
int() always returns 0
Therefore, iter(int, 1) is an infinite iterator. There are obviously a huge number of variations on this particular theme (especially once you add lambda into the mix). One variant of particular note is iter(f, object()),...
How does the algorithm to color the song list in iTunes 11 work? [closed]
...
+50
I approximated the iTunes 11 color algorithm in Mathematica given the album cover as input:
How I did it
Through trial and error...
What is the result of % in Python?
...
310
The % (modulo) operator yields the remainder from the division of the first argument by the s...
What are “named tuples” in Python?
...xcept that they are immutable. They were added in Python 2.6 and Python 3.0, although there is a recipe for implementation in Python 2.4.
For example, it is common to represent a point as a tuple (x, y). This leads to code like the following:
pt1 = (1.0, 5.0)
pt2 = (2.5, 1.5)
from math import s...
Is there a way to measure how sorted a list is?
...onsider the example sequence 9, 5, 7, 6. This sequence has the inversions (0,1), (0,2), (0,3), (2,3) and the inversion number 4.
If you want a value between 0 and 1, you can divide the inversion number by N choose 2.
To actually create an algorithm to compute this score for how sorted a list is, you...
Capitalize only first character of string and leave others alone? (Rails)
... that the only letter changed is the first one.
new_string = string.slice(0,1).capitalize + string.slice(1..-1)
Update:
irb(main):001:0> string = "i'm from New York..."
=> "i'm from New York..."
irb(main):002:0> new_string = string.slice(0,1).capitalize + string.slice(1..-1)
=> "I'm ...
Could not load file or assembly Microsoft.SqlServer.management.sdk.sfc version 11.0.0.0
I have installed MS SQL Server 2008 R2 and when I try to update model from database under EDMX file I am facing that error.
...
Redis - Connect to Remote Server
...the Quick Start guide on http://redis.io/topics/quickstart on my Ubuntu 10.10 server. I'm running the service as dameon (so it can be run by init.d)
...