大约有 45,000 项符合查询结果(耗时:0.0384秒) [XML]
Flattening a shallow list in Python [duplicate]
...s is the only answer I've seen that's made the ordering explicit... Maybe now I can remember it!
– Izkata
Mar 20 '12 at 15:47
10
...
In Python, how do I read the exif data for an image?
...
For Python3.x and starting Pillow==6.0.0, Image objects now provide a getexif() method that returns <class 'PIL.Image.Exif'> or None if the image has no EXIF data.
From Pillow 6.0.0 release notes:
getexif() has been added, which returns an Exif instance. Values can
be retri...
What is an undefined reference/unresolved external symbol error and how do I fix it?
...ompiled a bunch of implementation files into object files or libraries and now you want to get them to work together.
Say you defined symbol a in a.cpp. Now, b.cpp declared that symbol and used it. Before linking, it simply assumes that that symbol was defined somewhere, but it doesn't yet care wher...
How to write inline if statement for print?
...ilarly when you write
x = a if b else 0
it means
x = (a if b else 0)
Now what would it print/assign if there was no else clause? The print/assignment is still there.
And note, that if you don't want it to be there, you can always write the regular if statement on a single line, though it's le...
Python module for converting PDF to text [closed]
...ith the -layout option to keep text in the same position as is in the PDF. Now if only I could figure out how to pipe the contents of a PDF into it.
– Matthew Schinckel
May 31 '12 at 6:00
...
libpthread.so.0: error adding symbols: DSO missing from command line
...
In part solved adding '-lpthread', but now it shows me: gaSim.c:(.text+0x11d6): undefined reference to `glewInit'
– Aerox
Jun 26 '14 at 8:53
1...
Can C++ code be valid in both C++03 and C++11 but do different things?
...e plus side there is:
Code that previously implicitly copied objects will now implicitly move them when possible.
On the negative side, several examples are listed in the appendix C of the standard. Even though there are many more negative ones than positive, each one of them is much less likely t...
Sibling package imports
...nstall will work still work fine. See an example below.
Test the solution
Now, let's test the solution using api.py defined above, and test_one.py defined below.
test_one.py
from myproject.api.api import function_from_api
def test_function():
print(function_from_api())
if __name__ == '__main_...
What does enumerate() mean?
...by Brett Slatkin and he shows another way to iterate over a list and also know the index of the current item in the list but he suggests that it is better not to use it and to use enumerate instead.
I know you asked what enumerate means, but when I understood the following, I also understood how en...
Python read-only property
I don't know when attribute should be private and if I should use property.
10 Answers
...