大约有 15,477 项符合查询结果（耗时：0.0197秒） [XML]
How to center canvas in html5
...
Just center the div in HTML:
#test {
width: 100px;
height:100px;
margin: 0px auto;
border: 1px solid red;
}
<div id="test">
<canvas width="100" height="100"></canvas>
</div>
Just change the height and ...
Jelly Bean DatePickerDialog — is there a way to cancel?
...rovided).
At first I was afraid of not calling the clearFocus(), but I've tested here and the Log lines were clean. So that line I proposed may not even be necessary after all, but I don't know.
Compatibility with previous API levels (edited)
As I pointed in the comment below, that was a concept,...
Calculate the date yesterday in JavaScript
...
Couldn't verify "all" browsers but worked in all I tested camo.githubusercontent.com/…
– James Kyburz
Mar 24 '14 at 20:57
1
...
Insert auto increment primary key to existing table
... ALTER TABLE statement adding the PRIMARY KEY column works correctly in my testing:
ALTER TABLE tbl ADD id INT PRIMARY KEY AUTO_INCREMENT;
On a temporary table created for testing purposes, the above statement created the AUTO_INCREMENT id column and inserted auto-increment values for each existi...
How to refresh app upon shaking the device?
..., and, lets say >2 if the device is shaked.
Based on the comments - to test this:
if (mAccel > 12) {
Toast toast = Toast.makeText(getApplicationContext(), "Device has shaken.", Toast.LENGTH_LONG);
toast.show();
}
Notes:
The accelometer should be deactivated onPause and activated o...
How to overcome TypeError: unhashable type: 'list'
...
@msh855 is there any size limit? I tested the dictionary with a tuple of size 100,000 and it worked fine for me (I'm using python 3.6)
– Sreram
Jan 9 at 17:19
...
Why should I use a pointer rather than the object itself?
...);
vector.push_back(&triangle);
for (auto& e : vector)
{
auto test = dynamic_cast<Triangle*>(e); // I only care about triangles
if (!test) // not a triangle
e.GenericFunction();
else
e.TriangleOnlyMagic();
}
So say if only Triangles had a Rotate functio...
How do I get the current line number?
...me, Path.GetFileName(fileName), lineNumber, message);
}
How to call:
void Test() {
Log("Look here!");
}
Output:
Void Test()(FILENAME.cs:104)
Look here!
Change the Console.WriteLine format how you like!
share
...
Converting a JS object to an array using jQuery
...
You should have tested the code. $.map will flatten Array-Data.
– Marko Dumic
Jul 28 '11 at 10:35
1
...
How can I fill a div with an image while keeping it proportional?
...lorempizza.com/320/240" alt="" />
</div>
JSFiddle here
I tested this successfully in IE9, Chrome 31, and Opera 18. But no other browsers were tested. As always you must consider your particular support requirements.
...