大约有 44,500 项符合查询结果（耗时：0.0374秒） [XML]
Best way to iterate through a Perl array
...ng of the array elements occurs. ($_ is aliased to the element in #1, but #2 and #3 actually copy the scalars from the array.)
#5 might be similar.
In terms memory usage: They're all the same except for #5.
for (@a) is special-cased to avoid flattening the array. The loop iterates over the indexes...
Python set to list
...
245
Your code does work (tested with cpython 2.4, 2.5, 2.6, 2.7, 3.1 and 3.2):
>>> a = s...
sys.argv[1] meaning in script
...ion
import sys
print(sys.argv, len(sys.argv))
The script requires Python 2.6 or later. If you call this script print_args.py, you can invoke it with different arguments to see what happens.
> python print_args.py
['print_args.py'] 1
> python print_args.py foo and bar
['print_args.py', 'foo...
A better similarity ranking algorithm for variable length strings
...
22 Answers
22
Active
...
How to sort an IEnumerable
...
|
edited Sep 2 '10 at 20:11
answered Sep 2 '10 at 19:52
...
How to make a flat list out of list of lists?
...
42 Answers
42
Active
...
How to get a key in a JavaScript object by its value?
...
27 Answers
27
Active
...
Regular expression search replace in Sublime Text 2
I'm looking to do search replace with regular expressions in Sublime Text 2. The documentation on this is rather anemic. Specifically, I want to do a replace on groups, so something like converting this text:
...
How to check Django version
...ython and Django for our application. So I have two versions of Python, 2.6 and 2.7. Now I have installed Django. I could run the sample application for testing Django succesfuly. But how do I make sure whether Django uses the 2.6 or 2.7 version and what version of modules Django uses?
...