大约有 40,000 项符合查询结果（耗时：0.0417秒） [XML]
Function to clear the console in R and RStudio
...
Works in RStudio on Mac, but not in R.app! In R.app the command Cmd+Alt+L clears the screen, not Ctrl+L... Is there a similar 'code' to send that key combination to the R.app? (I see that \014 is the ASCII code for Form Feed, so I guess it is not sending the key ...
How do I check which version of NumPy I'm using?
...c Rodger: yeah, but your is more general to any module that cares to set a __version__.
– Esteban Küber
Oct 5 '09 at 14:13
57
...
unable to print object ('po') in xcode6 beta 6 osx swift project: (Error in auto-import: failed to g
...>:1:9: note: in file included from <module-includes>:1:
#import "/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/usr/include/libxml2/libxml/tree.h"
^
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/S...
iPhone system font
...tones.html
For iOS9 it has changed to San Fransisco. See http://developer.apple.com/fonts for more info.
share
|
improve this answer
|
follow
|
...
What is the purpose of the -m switch?
...s this only works on the subset of modules that are executable i.e. have a __main__.py file. Most don't and will break e.g. python -m sys 'print(sys.version)' fails with python: No code object available for sys. Suggest you make that clear in the answer.
– smci
...
Finding what methods a Python object has
...this code, replacing 'object' with the object you're interested in:
object_methods = [method_name for method_name in dir(object)
if callable(getattr(object, method_name))]
I discovered it at diveintopython.net (Now archived). Hopefully, that should provide some further detail!
...
Execution of Python code with -m option or not
....bar as the starting point.
Demo:
$ mkdir -p test/foo/bar
$ touch test/foo/__init__.py
$ touch test/foo/bar/__init__.py
$ cat << EOF > test/foo/bar/baz.py
> if __name__ == "__main__":
> print __package__
> print __name__
>
> EOF
$ PYTHONPATH=test python test/foo/bar...
Understanding __get__ and __set__ and Python descriptors
... how Python's property type is implemented. A descriptor simply implements __get__, __set__, etc. and is then added to another class in its definition (as you did above with the Temperature class). For example:
temp=Temperature()
temp.celsius #calls celsius.__get__
Accessing the property you assi...
Difference between __getattr__ vs __getattribute__
I am trying to understand when to use __getattr__ or __getattribute__ . The documentation mentions __getattribute__ applies to new-style classes. What are new-style classes?
...
efficient circular buffer?
...1] #[10, 11, 3, 8] 3, 11
Class:
class circularlist(object):
def __init__(self, size, data = []):
"""Initialization"""
self.index = 0
self.size = size
self._data = list(data)[-size:]
def append(self, value):
"""Append an element"""
if le...