大约有 16,000 项符合查询结果（耗时：0.0214秒） [XML]
setuptools vs. distutils: why is distutils still a thing?
...t's one reason. The following is straight from the NumPy setup.py:
if len(sys.argv) >= 2 and ('--help' in sys.argv[1:] or
sys.argv[1] in ('--help-commands', 'egg_info', '--version',
'clean')):
# Use setuptools for these commands (they don't work well or at all...
How to decide font color in white or black depending on background color?
...rked like a charm for me. Thank you very much! Did it in php though simply converting the syntax and functions.
– CezarBastos
Mar 23 '18 at 17:24
...
error C2664:...No user-defined-conversion operator available that can ...
... >(unsigned int,const int &,
const class std::allocator<int> &)' : cannot convert parameter 1 from 'class std::deque<int,class std::allocator<int> >::iterator' to 'unsigned int'
No user-defined-conversion operator available that can perform this conversion, or the operator cannot be called...
Add single element to array in numpy
...allocate the array (if the total size is known) or to append to a list and convert to an array afterward.
Using np.append:
b = np.array([0])
for k in range(int(10e4)):
b = np.append(b, k)
1.2 s ± 16.1 ms per loop (mean ± std. dev. of 7 runs, 1 loop each)
Using python list converting to arr...
List all the modules that are part of a python package?
...ol for this job is pkgutil.walk_packages.
To list all the modules on your system:
import pkgutil
for importer, modname, ispkg in pkgutil.walk_packages(path=None, onerror=lambda x: None):
print(modname)
Be aware that walk_packages imports all subpackages, but not submodules.
If you wish to l...
How to serialize SqlAlchemy result to JSON?
...turn fields
return json.JSONEncoder.default(self, obj)
and then convert to JSON using:
c = YourAlchemyClass()
print json.dumps(c, cls=AlchemyEncoder)
It will ignore fields that are not encodable (set them to 'None').
It doesn't auto-expand relations (since this could lead to self-refe...
C#: How to convert a list of objects to a list of a single property of that object?
... 'answer',
autoActivateHeartbeat: false,
convertImagesToLinks: true,
noModals: true,
showLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix...
Exif manipulation library for python [closed]
...
Use PIL :)
import os,sys
from PIL import Image
from PIL.ExifTags import TAGS
if __name__ == '__main__':
for (k,v) in Image.open(sys.argv[1])._getexif().iteritems():
print '%s = %s' % (TAGS.get(k), v)
os.system('pause')
...
How to check if a String contains another String in a case insensitive manner in Java?
...t methods are.
I compare 5 methods.
Our containsIgnoreCase() method.
By converting both strings to lower-case and call String.contains().
By converting source string to lower-case and call String.contains() with the pre-cached, lower-cased substring. This solution is already not as flexible becau...
to_string is not a member of std, says g++ (mingw)
...y be an issue with your compiler version.
Try using the following code to convert a long to std::string:
#include <sstream>
#include <string>
#include <iostream>
int main() {
std::ostringstream ss;
long num = 123456;
ss << num;
std::cout << ss.str() &...