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...(CanvasView)vw).canvas);
9 gc.drawOval( 80 , 50 , 100 , 100 );
10 gc.dispose();
11 }
12 }
13 }
菜单项绘制矩形DrawRectAction.java的关键部分：
1 public void run(IAction action) {
2 // TODO ...
How can I get a count of the total number of digits in a number?
...= 0)
{
if (n < 10) return 1;
if (n < 100) return 2;
if (n < 1000) return 3;
if (n < 10000) return 4;
if (n < 100000) return 5;
if (n < 1000000) return 6;
if (n < 10000000) return 7;
...
How do I generate random numbers in Dart?
... = new Random();
for (var i = 0; i < 10; i++) {
print(rng.nextInt(100));
}
}
This code was tested with the Dart VM and dart2js, as of the time of this writing.
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Sorting object property by values
...Speed = {
car: 300,
bike: 60,
motorbike: 200,
airplane: 1000,
helicopter: 400,
rocket: 8 * 60 * 60
};
var sortable = [];
for (var vehicle in maxSpeed) {
sortable.push([vehicle, maxSpeed[vehicle]]);
}
sortable.sort(function(a, b) {
return a[1] - b[1];
});
//[["bi...
Using git repository as a database backend
...hat deals with structured document database. I have a tree of categories (~1000 categories, up to ~50 categories on each level), each category contains several thousands (up to, say, ~10000) of structured documents. Each document is several kilobytes of data in some structured form (I'd prefer YAML,...
How can I get this ASP.NET MVC SelectList to work?
...yList"] =
new SelectList(new[] { "10", "15", "25", "50", "100", "1000" }
.Select(x => new {value = x, text = x}),
"value", "text", "15");
Then in your view :
<%=Html.DropDownList("myList") %>
...
Getting unique items from a list [duplicate]
...st, such as a Dictionary or HashSet. Because currently, if source contains 100,000 items with many duplicates, then in every one of the 100,000 iterations you will be scanning a list on the order of 100,000 items, meaning you are scanning on the order of 100,000 * 100,000 items. Quadratic time compl...
The maximum recursion 100 has been exhausted before statement completion
...ps%3a%2f%2fstackoverflow.com%2fquestions%2f9650045%2fthe-maximum-recursion-100-has-been-exhausted-before-statement-completion%23new-answer', 'question_page');
}
);
Post as a guest
...
Selecting the last value of a column
.../thread?tid=20f1741a2e663bca&hl=en
It looks like this:
=FILTER( A10:A100 , ROW(A10:A100) =MAX( FILTER( ArrayFormula(ROW(A10:A100)) , NOT(ISBLANK(A10:A100)))))
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...
How do I vertically center text with CSS? [duplicate]
...
You can try this basic approach:
div {
height: 100px;
line-height: 100px;
text-align: center;
border: 2px dashed #f69c55;
}
<div>
Hello World!
</div>
It only works for a single line of text though, because we set the line's height to the ...