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[源码实例] c/c++获取网卡mac地址 - C/C++ - 清泛网 - 专注C/C++及内核技术
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uRetCode = Netbios( &ncb );
if( uRetCode == 0 )
{
for ( int i=0; i<lana_enum.length; ++i)
{
char szBuf[MAX_PATH] = {0};
getmac_one( lana_enum.lana[i], szBuf );
printf("%s\n", szBuf);
}
}
}
int _tmain(int argc, _TCHAR* argv[])
{
ShowA...
SQLAlchemy: cascade delete
...tly -- if a parent element is a deleted, the children persist, with null foreign keys.
9 Answers
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What is the { get; set; } syntax in C#?
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It's a so-called auto property, and is essentially a shorthand for the following (similar code will be generated by the compiler):
private string name;
public string Name
{
get
{
return this.name;
}
set
{
this.name = value;
}
}
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Draw line in UIView
...d to draw a horizontal line in a UIView. What is the easiest way to do it. For example, I want to draw a black horizontal line at y-coord=200.
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How to Query an NTP Server using C#?
...arch results that no longer exist), I figured I could answer this question for future reference :
public static DateTime GetNetworkTime()
{
//default Windows time server
const string ntpServer = "time.windows.com";
// NTP message size - 16 bytes of the digest (RFC 2030)
var ntpData...
What are some (concrete) use-cases for metaclasses?
...ment the figure count, call draw manually, etc, but I needed to do these before and after every plotting call. So to create both an interactive plotting wrapper and an offscreen plotting wrapper, I found it was more efficient to do this via metaclasses, wrapping the appropriate methods, than to do ...
How to loop backwards in python? [duplicate]
...g.
range(10, 0, -1)
Which gives
[10, 9, 8, 7, 6, 5, 4, 3, 2, 1]
But for iteration, you should really be using xrange instead. So,
xrange(10, 0, -1)
Note for Python 3 users: There are no separate range and xrange functions in Python 3, there is just range, which follows the design of Pyt...
Make absolute positioned div expand parent div height
As you can see in the CSS below, I want child2 to position itself before child1 . This is because the site I'm currently developing should also work on mobile devices, on which the child2 should be at the bottom, as it contains the navigation which I want below the content on the mobile devices...
Python dictionary from an object's fields
...s level and your attributes at instance level, so __dict__ should be fine. For example:
>>> class A(object):
... def __init__(self):
... self.b = 1
... self.c = 2
... def do_nothing(self):
... pass
...
>>> a = A()
>>> a.__dict__
{'c': 2, 'b': 1}
A better...
List of special characters for SQL LIKE clause
What is the complete list of all special characters for a SQL (I'm interested in SQL Server but other's would be good too) LIKE clause?
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