大约有 11,000 项符合查询结果（耗时：0.0299秒） [XML]
app inventor 里的换行符是什么？ - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
Linux(unix) 和 mac 默认使用 "\n" 作为换行符；Windows 默认使用 "\r\n" 作为换行符；"\n" 在 ACSII表中 对应 LF , ACSII值为 10 ，即0x0a (16进制) "\r" 在ACSII表中对应 "CR"， ACSII值为 13 ，即0x0d (16进制) &n...
How to suppress scientific notation when printing float values?
...%f' % (1/10**8)
will display zeros only.
details are in the docs
Or for Python 3 the equivalent old formatting or the newer style formatting
share
|
improve this answer
|
...
Split list into smaller lists (split in half)
I am looking for a way to easily split a python list in half.
17 Answers
17
...
Why JavaScript rather than a standard browser virtual machine?
Would it not make sense to support a set of languages (Java, Python, Ruby, etc.) by way of a standardized virtual machine hosted in the browser rather than requiring the use of a specialized language -- really, a specialized paradigm -- for client scripting only?
...
What's the difference between a method and a function?
... C#, there are only methods.
For C, there are only functions.
For C++ and Python it would depend on whether or not you're in a class.
share
|
improve this answer
|
follow
...
Change R default library path using .libPaths in Rprofile.site fails to work
...two that matter for storing and accessing packages are (now different on a Linux box):
R_LIBS_SITE /usr/local/lib/R/site-library:/usr/lib/R/site-library:/usr/lib/R/library
R_LIBS_USER /home/david/R/x86_64-pc-linux-gnu-library/3.5.1/
...
if A vs if A is not None:
...
@cedbeu, Seems to depend on the value of A. I tested now python -m timeit -s"a=0" "if a: pass" "else: pass" is faster than python -m timeit -s"a=0" "if a is None: pass" "else: pass" but python -m timeit -s"a=1" "if a: pass" "else: pass" is slower. Might be platform dependant, see i...
Difference between except: and except Exception as e: in Python
...ing to watch out for" looks a little weird now, but at the time I expected Python to pick the most specific except block, regardless of where it was, and was a little disappointed to find out otherwise.
– Vanessa Phipps
Sep 5 '14 at 15:37
...
How to use `subprocess` command with pipes
...
The output of ps.communicate()[0] in python3 returns a bytes object.
– Miguel Ortiz
Aug 18 at 14:48
add a comment
|
...
Using print statements only to debug
I have been coding a lot in Python of late. And I have been working with data that I haven't worked with before, using formulae never seen before and dealing with huge files. All this made me write a lot of print statements to verify if it's all going right and identify the points of failure. But, ...