大约有 46,000 项符合查询结果（耗时：0.0438秒） [XML]
open read and close a file in 1 line of code
...
You don't really have to close it - Python will do it automatically either during garbage collection or at program exit. But as @delnan noted, it's better practice to explicitly close it for various reasons.
So, what you can do to keep it short, simple an...
PHP equivalent of .NET/Java's toString()
...
community wiki
Tom Mayfield
...
What is the Python equivalent of Matlab's tic and toc functions?
...
Apart from timeit which ThiefMaster mentioned, a simple way to do it is just (after importing time):
t = time.time()
# do stuff
elapsed = time.time() - t
I have a helper class I like to use:
class Timer(object):
def __init__(self, n...
Reload Flask app when template file changes
...t, when running Flask application using the built-in server ( Flask.run ), it monitors its Python files and automatically reloads the app if its code changes:
...
Looping through a hash, or using an array in PowerShell
...his (simplified) chunk of code to extract a set of tables from SQL Server with BCP .
7 Answers
...
Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala
... too. This is why summing integers in a list is O(log N) if given an infinite number of CPUs.
If you just look at the signatures there is no reason for reduce to exist because you can achieve everything you can with reduce with a foldLeft. The functionality of foldLeft is a greater than the funct...
Pythonic way to print list items
... from __future__ import print_function, as noted by mgilson in comments.
With the print statement on Python 2.x you will need iteration of some kind, regarding your question about print(p) for p in myList not working, you can just use the following which does the same thing and is still one line:
...
Can I zip more than two lists together in Scala?
...
I don't believe it's possible to generate a list of tuples of arbitrary size, but the transpose function does exactly what you need if you don't mind getting a list of lists instead.
...
Convert decimal to binary in python [duplicate]
... any module or function in python I can use to convert a decimal number to its binary equivalent?
I am able to convert binary to decimal using int('[binary_value]',2), so any way to do the reverse without writing the code to do it myself?
...
How well is Unicode supported in C++11?
...ibrary support unicode?
Terribly.
A quick scan through the library facilities that might provide Unicode support gives me this list:
Strings library
Localization library
Input/output library
Regular expressions library
I think all but the first one provide terrible support. I'll get back to i...