大约有 15,400 项符合查询结果（耗时：0.0286秒） [XML]
How to implement a confirmation (yes/no) DialogPreference?
..., Federico gave you a site where you can look things up.
Here is a short example of how an alert dialog can be built.
new AlertDialog.Builder(this)
.setTitle("Title")
.setMessage("Do you really want to whatever?")
.setIcon(android.R.drawable.ic_dialog_alert)
.setPositiveButton(android.R.string.yes...
Autowiring two beans implementing same interface - how to set default bean to autowire?
...ation solved the problem - now the autowire-candidate property works as I expected.
– simon
May 10 '12 at 12:45
Thanks...
Creating a zero-filled pandas data frame
...
You can try this:
d = pd.DataFrame(0, index=np.arange(len(data)), columns=feature_list)
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Random float number generation
...used to generate pseudo-random numbers in C++. In combination with RAND_MAX and a little math, you can generate random numbers in any arbitrary interval you choose. This is sufficient for learning purposes and toy programs. If you need truly random numbers with normal distribution, you'll need to...
Fastest Way to Find Distance Between Two Lat/Long Points
...7.5, InnoDB tables now also support SPATIAL indices.
Create a SPATIAL index on these points
Use MBRContains() to find the values:
SELECT *
FROM table
WHERE MBRContains(LineFromText(CONCAT(
'('
, @lon + 10 / ( 111.1 / cos(RADIANS(@lon)))
, ' '
, @lat + 10 / 111...
Why should a function have only one exit-point? [closed]
I've always heard about a single exit-point function as a bad way to code because you lose readability and efficiency. I've never heard anybody argue the other side.
...
How do I 'overwrite', rather than 'merge', a branch on another branch in Git?
...w away branch 'A'" -p A -p B B^{tree})
This basically acts like the (non-existent) merge -s theirs strategy.
You can find the resulting history in the plumbing branch of the demo repository
Not very readable and not as easy to remember compared to the -s ours switch, but it does the job. The result...
Function passed as template argument
...function name, it's NOT like there's a function pointer involved. It's an explicit function, given at compile time. So the compiler knows exactly what it's got at compile time.
– SPWorley
Jul 23 '09 at 20:27
...
Update parent scope variable in AngularJS
...is WILL modify the parent";
});
Working demo: http://jsfiddle.net/sh0ber/xxNxj/
See What are the nuances of scope prototypal / prototypical inheritance in AngularJS?
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Constructors in JavaScript objects
...
Using prototypes:
function Box(color) // Constructor
{
this.color = color;
}
Box.prototype.getColor = function()
{
return this.color;
};
Hiding "color" (somewhat resembles a private member variable):
function Box(col)
{
var color = col;
...