大约有 44,300 项符合查询结果（耗时：0.0348秒） [XML]
What is the difference between old style and new style classes in Python?
...
From New-style and classic classes:
Up to Python 2.1, old-style classes were the only flavour available to the user.
The concept of (old-style) class is unrelated to the concept of type:
if x is an instance of an old-style class, then x.__class__
designates the cla...
Catching error codes in a shell pipe
...
20
If you really don't want the second command to proceed until the first is known to be successfu...
Difference between '..' (double-dot) and '…' (triple-dot) in range generation?
...
|
edited Dec 21 '16 at 0:33
answered Mar 13 '12 at 19:48
...
Mod in Java produces negative numbers [duplicate]
When I calculate int i = -1 % 2 I get -1 in Java. In Python, I get 1 as the result of -1 % 2 .
What do I have to do to get the same behavior in Java with the modulo function?
...
Display number with leading zeros
...
In Python 2 (and Python 3) you can do:
print "%02d" % (1,)
Basically % is like printf or sprintf (see docs).
For Python 3.+, the same behavior can also be achieved with format:
print("{:02d}".format(1))
For Python 3.6+ the s...
Version of SQLite used in Android?
...
482
UPDATE OCT 2016: Here is a link to the updated official docs which includes the main points in t...
Detect URLs in text with JavaScript
...
222
First you need a good regex that matches urls. This is hard to do. See here, here and here:
...
How does zip(*[iter(s)]*n) work in Python?
...s to zip(), and it pulls an item from the iterator each time.
x = iter([1,2,3,4,5,6,7,8,9])
print zip(x, x, x)
share
|
improve this answer
|
follow
|
...