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What is the purpose of Rank2Types?
...morphic function as an argument to another function. So something like map id ["a","b","c"] is perfectly legal. But the function may only use it as monomorphic. In the example map uses id as if it had type String -> String. And of course you can also pass a simple monomorphic function of the give...
How to read json file into java with simple JSON library
...
I have tried that but it did not work. Can you give me a code example
– billz
Jun 7 '12 at 8:22
3
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关于php的socket初探 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...t($socket, -1)) { // 这样设置不超时才油用
static $id = 0;
static $ct = 0;
$ct_last = $ct;
$ct_data = '';
$buffer = '';
$id++; // increase on each accept
echo "Client $id come./n";
...
How to submit a form with JavaScript by clicking a link?
...
<input type="submit" value="submit" />
The best JS way
<form id="form-id">
<button id="your-id">submit</button>
</form>
var form = document.getElementById("form-id");
document.getElementById("your-id").addEventListener("click", function () {
form.submit();
}...
Query for documents where array size is greater than 1
...ive operators listed on
this page, but is very flexible. See the server-side processing page
for more information.
2.Create extra field NamesArrayLength, update it with names array length and then use in queries:
db.accommodations.find({"NamesArrayLength": {$gt: 1} });
It will be better sol...
Get to UIViewController from UIView?
...o implement it follows:
@protocol MyViewDelegate < NSObject >
- (void)viewActionHappened;
@end
@interface MyView : UIView
@property (nonatomic, assign) MyViewDelegate delegate;
@end
@interface MyViewController < MyViewDelegate >
@end
The view interfaces with its delegate (as UI...
Simulating group_concat MySQL function in Microsoft SQL Server 2005?
...
No REAL easy way to do this. Lots of ideas out there, though.
Best one I've found:
SELECT table_name, LEFT(column_names , LEN(column_names )-1) AS column_names
FROM information_schema.columns AS extern
CROSS APPLY
(
SELECT column_name + ','
FROM inform...
Android ViewPager - Show preview of page on left and right
I'm using Android's ViewPager . What I want to do is to show a preview of the page on both the left and the right. I've seen where I can use a negative pageMargin to show a preview of the right side.
...
How to declare a local variable in Razor?
...lt;div>
<div> click to join us </div>
<a id="login" href="javascript:void(0);" style="display: inline; ">join here</a>
</div>
}
share
|
improve ...
Align image in center and middle within div
... margin-left: auto;
margin-right: auto;
display: block;
}
<div id="over" style="position:absolute; width:100%; height:100%">
<img src="http://www.garcard.com/images/garcard_symbol.png">
</div>
JSFiddle
...