大约有 40,000 项符合查询结果（耗时：0.0402秒） [XML]
How to efficiently compare two unordered lists (not sets) in Python?
...
For short lists, big-O analysis is usually irrelevant because the timings are dominated by constant factors. For the longer lists, I suspect something is wrong with your benchmarking. For 100 ints with 5 repeats each, I get: 127 usec for sorted and 42 for Count...
Best way to strip punctuation from a string
...s working with the same datatype, but the approach in this answer works equally well for both, which is handy.
– Richard J
Jan 16 '15 at 9:35
38
...
Getting the docstring from a function
...
On ipython or jupyter notebook, you can use all the above mentioned ways, but i go with
my_func?
or
?my_func
for quick summary of both method signature and docstring.
I avoid using
my_func??
(as commented by @rohan) for docstring and use it only to check th...
SQLAlchemy: print the actual query
I'd really like to be able to print out valid SQL for my application, including values, rather than bind parameters, but it's not obvious how to do this in SQLAlchemy (by design, I'm fairly sure).
...
Strip HTML from strings in Python
...those of you using newer versions of Python (3.2+) is that you'll need to call the parent class's __init__ function. See here: stackoverflow.com/questions/11061058/….
– pseudoramble
Aug 18 '13 at 17:54
...
Very Long If Statement in Python [duplicate]
...ther_long_identifier and
here_is_another_long_identifier != and_finally_another_long_name):
# ... your code here ...
pass
share
|
improve this answer
|
follo...
C# binary literals
... @Dai that’s no different than hex literals. In other words, all constants are big endian, but stored little endian on Intel/AMD and most ARMs. 0xDEADBEEF will be stored as 0xEF 0xBE 0xAD 0xDE
– Cole Johnson
Sep 2 '19 at 18:28
...
How to check if AlarmManager already has an alarm set?
...nother issue that was causing my problem. The intent I mentioned above actually does work :)
– toc777
Apr 12 '12 at 12:25
42
...
What is the use of join() in Python threading?
...t clumsy ascii-art to demonstrate the mechanism:
The join() is presumably called by the main-thread. It could also be called by another thread, but would needlessly complicate the diagram.
join-calling should be placed in the track of the main-thread, but to express thread-relation and keep it as s...
What is the best way to create constants in Objective-C
...he file in the Reddit-Prefix.pch file to make the constants available to all the files. Is it a good way of doing things? Also, I've done my research and found several methods to create constants, but I don't know which one to use:
...