大约有 45,000 项符合查询结果（耗时：0.0476秒） [XML]
How do I achieve the theoretical maximum of 4 FLOPs per cycle?
...
I've done this exact task before. But it was mainly to measure power consumption and CPU temperatures. The following code (which is fairly long) achieves close to optimal on my Core i7 2600K.
The key thing to note here is the massive amount of manual loop-unroll...
Multi-line string with extra space (preserved indentation)
I want to write some pre-defined texts to a file with the following:
10 Answers
10
...
What would a “frozen dict” be?
I guess it could be something like collections.namedtuple , but that is more like a frozen-keys dict (a half-frozen dict). Isn't it?
...
Is it ever advantageous to use 'goto' in a language that supports loops and functions? If so, why?
... should never be used if possible. While perusing libavcodec (which is written in C) the other day, I noticed multiple uses of it. Is it ever advantageous to use goto in a language that supports loops and functions? If so, why?
...
__FILE__, __LINE__, and __FUNCTION__ usage in C++
... exists in C99 / C++11. The others (__LINE__ and __FILE__) are just fine.
It will always report the right file and line (and function if you choose to use __FUNCTION__/__func__). Optimization is a non-factor since it is a compile time macro expansion; it will never effect performance in any way.
...
Python dictionary from an object's fields
... you know if there is a built-in function to build a dictionary from an arbitrary object? I'd like to do something like this:
...
Iterate over object attributes in python
I have a python object with several attributes and methods. I want to iterate over object attributes.
8 Answers
...
Get fully qualified class name of an object in Python
...es I want to retrieve the fully qualified class name of a Python object. (With fully qualified I mean the class name including the package and module name.)
...
How to use a dot “.” to access members of dictionary?
...
You can do it using this class I just made. With this class you can use the Map object like another dictionary(including json serialization) or with the dot notation. I hope to help you:
class Map(dict):
"""
Example:
m = Ma...
How does Python's super() work with multiple inheritance?
...e
understanding the super() function (new style classes) especially when it comes to multiple inheritance.
16 Answers
...