大约有 46,000 项符合查询结果(耗时:0.0396秒) [XML]

https://stackoverflow.com/ques... 

How can I get the version defined in setup.py (setuptools) in my package?

...file's contents in setup.py. You could make a version.py in your package with a __version__ line, then read it from setup.py using execfile('mypackage/version.py'), so that it sets __version__ in the setup.py namespace. If you want a much simpler way that will work with all Python versions and eve...
https://stackoverflow.com/ques... 

Evaluating a mathematical expression in a string

...hematical expressions. In particular, fourFn.py shows how to parse basic arithmetic expressions. Below, I've rewrapped fourFn into a numeric parser class for easier reuse. from __future__ import division from pyparsing import (Literal, CaselessLiteral, Word, Combine, Group, Optional, ...
https://stackoverflow.com/ques... 

Absolute vs relative URLs

... In general, it is considered best-practice to use relative URLs, so that your website will not be bound to the base URL of where it is currently deployed. For example, it will be able to work on localhost, as well as on your public domai...
https://stackoverflow.com/ques... 

How to set the prototype of a JavaScript object that has already been instantiated?

...have an object foo in my JavaScript code. foo is a complex object and it is generated somewhere else. How can I change the prototype of the foo object? ...
https://stackoverflow.com/ques... 

What does “mro()” do?

...gt;, <type 'object'>) >>> As long as we have single inheritance, __mro__ is just the tuple of: the class, its base, its base's base, and so on up to object (only works for new-style classes of course). Now, with multiple inheritance...: >>> class D(B, C): pass ... >&...
https://stackoverflow.com/ques... 

difference between variables inside and outside of __init__()

... Variable set outside __init__ belong to the class. They're shared by all instances. Variables created inside __init__ (and all other method functions) and prefaced with self. belong to the object instance. ...
https://stackoverflow.com/ques... 

Python hashable dicts

...are invalid, unless I also store the current version of the grammar along with the cached parse results. ( EDIT : a consequence of this use of key-value collections is that they should be immutable, but I don't intend to expose the interface to allow them to be changed, so either mutable or immutab...
https://stackoverflow.com/ques... 

How to detect reliably Mac OS X, iOS, Linux, Windows in C preprocessor? [duplicate]

...fined(__WIN32__) || defined(__NT__) //define something for Windows (32-bit and 64-bit, this part is common) #ifdef _WIN64 //define something for Windows (64-bit only) #else //define something for Windows (32-bit only) #endif #elif __APPLE__ #include <TargetConditionals...
https://stackoverflow.com/ques... 

The object 'DF__*' is dependent on column '*' - Changing int to double

Basically I got a table in my EF database with the following properties: 8 Answers 8 ...
https://stackoverflow.com/ques... 

List attributes of an object

... >>> class new_class(): ... def __init__(self, number): ... self.multi = int(number) * 2 ... self.str = str(number) ... >>> a = new_class(2) >>> a.__dict__ {'multi': 4, 'str': '2'} >>> a.__dict__.keys() dict_keys(['multi', 's...