大约有 47,000 项符合查询结果(耗时:0.0562秒) [XML]
Checking to see if a DateTime variable has had a value assigned
...est.StartDateTime == default(DateTime) { request.StartDateTime = DateTime.Now; }
– Menol
May 13 '16 at 8:33
...
What differences, if any, between C++03 and C++11 can be detected at run-time?
...) { return false; }
bool isCpp0x() { return isCpp0xImpl(""); }
I don't know how likely you are to have this working on a real implementation though. One that exploits auto
struct x { x(int z = 0):z(z) { } int z; } y(1);
bool isCpp0x() {
auto x(y);
return (y.z == 1);
}
The following is bas...
When are you truly forced to use UUID as part of the design?
I don't really see the point of UUID . I know the probability of a collision is effectively nil , but effectively nil is not even close to impossible.
...
Are there constants in JavaScript?
...swer is still highly ranked by Google in 2015 it should be said that it is now obsolete. The const keyword is now officially part of the language and is supported by every browser. According to statcounter.com only a few percent of internet users still use old browser versions that didn't support co...
How to change the background color of the options menu?
...runloop
// - android will overwrite almost any setting we make now
final View v = view;
new Handler().post(new Runnable()
{
public void run()
{
v.setBackgroundColor(Color.BLACK);
...
Instantiate and Present a viewController in Swift
...he new Swift on Xcode 6 , and I tried some demo projects and tutorials. Now I am stuck at:
15 Answers
...
Is there a way to make ellipsize=“marquee” always scroll?
...l over an item in a list view (like in the Market app), only then does the now-selected text start scrolling. And since this particular TextView isn't focusable or clickable, it will never lose its selection state.
Unfortunately, as far as I know there is no way to pre-set the selected state from ...
How to make UIButton's text alignment center? Using IB
...
For those of you who are now using iOS 6 or higher, UITextAlignmentCenter has been deprecated. It is now NSTextAlignmentCenter
EXAMPLE: mylabel.textAlignment = NSTextAlignmentCenter; Works perfectly.
...
Multiple constructors in python? [duplicate]
...d
def fromfilename(cls, name):
return cls(open(name, 'rb'))
# Now you can do:
c = C(fd)
# or:
c = C.fromfilename('a filename')
Notice all those classmethods still go through the same __init__, but using classmethods can be much more convenient than having to remember what combinations...
Why use non-member begin and end functions in C++11?
...;
// etc
private:
SpecialArray *parray;
int index;
// etc
};
now i and e can be legally used for iteration and accessing of values of SpecialArray
share
|
improve this answer
...
