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CoInitialize浅析一 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
... push [ebp+8] ; pvReserved
769B2A2E call _CoInitializeEx@8 ; CoInitializeEx(x,x)
769B2A33 pop ebp
769B2A34 retn 4
可以看到，其中的实现还是比较简单的，它只是简单地调用了CoInitializeEx，将第二个...
Creating a singleton in Python
... a base class. Here is a sample implementation:
class Singleton(type):
_instances = {}
def __call__(cls, *args, **kwargs):
if cls not in cls._instances:
cls._instances[cls] = super(Singleton, cls).__call__(*args, **kwargs)
return cls._instances[cls]
class...
[精华] VC中BSTR、Char和CString类型的转换 - C/C++ - 清泛网 - 专注C/C++及内核技术
..."This is a test";
或在已定义Unicode应的用程序中
TCHAR * p = _T("This is a test");
或
LPTSTR p = _T("This is a test");
CString theString = chArray;
theString.format(_T("%s"), chArray);
theString = p;
2、CString转换成char*
若将CString类转换成char*(LPSTR)类型，常...
Representing graphs (data structure) in Python
... both ways). We'll handle that by adding a directed parameter to the Graph.__init__ method. We'll also add some other helpful methods.
import pprint
from collections import defaultdict
class Graph(object):
""" Graph data structure, undirected by default. """
def __init__(self, connection...
How do I test an AngularJS service with Jasmine?
...hat passed
// for logging? Let's make it String-readable...
function _parseStuffIntoMessage(stuff) {
var message = "";
if (typeof stuff !== "string") {
message = JSON.stringify(stuff)
} else {
message = stuff;
}
return message;
}
/**
* @summary
* Wri...
Are static class variables possible in Python?
...es are one honking great idea -- let's do more of those!
>>> Test.__dict__
{'i': 6, ...}
>>> t.__dict__
{'i': 5}
>>> u.__dict__
{}
Notice how the instance variable t.i got out of sync with the "static" class variable when the attribute i was set directly on t. This is be...
How do I find where an exception was thrown in C++?
...d (Linux).
You can install your own terminate() function by using std::set_terminate(). You should be able to set a breakpoint on your terminate function in gdb. You may be able to generate a stack backtrace from your terminate() function and this backtrace may help in identifying the location of...
What's the best UI for entering date of birth? [closed]
...birthdate.
A text box with an example is clear, quick and easy to enter:
_______
|_______| (example: 31/3/1970)
This should support flexible formatting such as 1/1/1970 or 20/07/70.
If you have to support different cultures with different date conventions (e.g. US and UK) then this could be err...
List all base classes in a hierarchy of given class?
...gt;
>>> import inspect
>>> inspect.getmro(B)
(<class '__main__.B'>, <class '__main__.A'>, <type 'object'>)
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How to refer to relative paths of resources when working with a code repository
...Try to use a filename relative to the current files path. Example for './my_file':
fn = os.path.join(os.path.dirname(__file__), 'my_file')
In Python 3.4+ you can also use pathlib:
fn = pathlib.Path(__file__).parent / 'my_file'
...